diff --git a/bsp/CME_M7/rtconfig.py b/bsp/CME_M7/rtconfig.py
index 650d4bb7f894e0bcf2c9ef8d99dfed71f2b25ece..29439a54f211ec3af76161aa3176beab26c1e66c 100644
--- a/bsp/CME_M7/rtconfig.py
+++ b/bsp/CME_M7/rtconfig.py
@@ -83,7 +83,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/Vango/v85xx/rtconfig.py b/bsp/Vango/v85xx/rtconfig.py
index 8302af0cf5092581226944c0d1de5054fa9cd817..9229eac30626632c19ce2b83d201cbd108865ab9 100644
--- a/bsp/Vango/v85xx/rtconfig.py
+++ b/bsp/Vango/v85xx/rtconfig.py
@@ -17,8 +17,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/Vango/v85xxp/rtconfig.py b/bsp/Vango/v85xxp/rtconfig.py
index 22c83aa6ef4d7dfb3715dbb65a8f98e626548e5b..5436044fc4ea646efc27b15fc72c8bebe729305c 100644
--- a/bsp/Vango/v85xxp/rtconfig.py
+++ b/bsp/Vango/v85xxp/rtconfig.py
@@ -17,8 +17,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/acm32/acm32f0x0-nucleo/rtconfig.py b/bsp/acm32/acm32f0x0-nucleo/rtconfig.py
index e9814d2286f5691ada5030741cc4209645fa8be1..2242cd3daf53a05d35509ced7ea6ff44d0781b0c 100644
--- a/bsp/acm32/acm32f0x0-nucleo/rtconfig.py
+++ b/bsp/acm32/acm32f0x0-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'D:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'D:/Program Files (x86)/IAR Systems/Embedded Workbench 8.2'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -94,7 +94,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/acm32/acm32f4xx-nucleo/rtconfig.py b/bsp/acm32/acm32f4xx-nucleo/rtconfig.py
index b63b56b878331474d26334aed61bd8be5df76330..ad5f30c5604a9a898c08a7a8ac38c1525644f30d 100644
--- a/bsp/acm32/acm32f4xx-nucleo/rtconfig.py
+++ b/bsp/acm32/acm32f4xx-nucleo/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armclang'
     EXEC_PATH   = r'D:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'D:/Program Files (x86)/IAR Systems/Embedded Workbench 8.2'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -91,7 +91,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/airm2m/air105/rtconfig.py b/bsp/airm2m/air105/rtconfig.py
index 18f2bdc0dcb9bca6fd2c513da6c33127fc1efcce..2b44ba2996310feb804901df960f7106216b414e 100644
--- a/bsp/airm2m/air105/rtconfig.py
+++ b/bsp/airm2m/air105/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
     POST_ACTION += 'python ./makesoc.py'
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/amebaz/rtconfig.py b/bsp/amebaz/rtconfig.py
index 86b5b955b495a2d301160a2c651f32e46bd1d005..ddca6749424d8c38c33ebacbd448cd17a21b7b7f 100644
--- a/bsp/amebaz/rtconfig.py
+++ b/bsp/amebaz/rtconfig.py
@@ -18,7 +18,7 @@ if  CROSS_TOOL == 'gcc':
     PLATFORM 	= 'gcc'
     EXEC_PATH 	= 'C:/work/env/tools/gnu_gcc/arm_gcc/mingw/bin'
 elif CROSS_TOOL == 'iar':
-    PLATFORM     = 'iar'
+    PLATFORM     = 'iccarm'
     EXEC_PATH    = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.0'
 else:
     print 'Please make sure your toolchains is GNU GCC!'
@@ -67,7 +67,7 @@ if PLATFORM == 'gcc':
     M_CFLAGS = CFLAGS + ' -mlong-calls  -Dsourcerygxx -O0 -fPIC '
     M_LFLAGS = DEVICE + ' -Wl,-z,max-page-size=0x4 -shared -fPIC -e main -nostdlib'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/apm32/apm32f103xe-minibroard/rtconfig.py b/bsp/apm32/apm32f103xe-minibroard/rtconfig.py
index 888e1566ba7e2c6329665c7add2197022ce92bb3..3d78c3b4b02fa37956082fa1b7188a53e7f6f6de 100644
--- a/bsp/apm32/apm32f103xe-minibroard/rtconfig.py
+++ b/bsp/apm32/apm32f103xe-minibroard/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/asm9260t/rtconfig.py b/bsp/asm9260t/rtconfig.py
index 60d4f2051a87ad2b4e47bbe2ced3e968b9a3001d..0c760ed17ac23d9ce2fc221820a8aa2b80df0f73 100644
--- a/bsp/asm9260t/rtconfig.py
+++ b/bsp/asm9260t/rtconfig.py
@@ -16,8 +16,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH    = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH    = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -90,7 +90,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf --bin $TARGET --output ' + TARGET_NAME + ' \n'
     POST_ACTION += 'fromelf -z $TARGET\n'
 #------- IAR settings ----------------------------------------------------------
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/at32/at32f403a-start/rtconfig.py b/bsp/at32/at32f403a-start/rtconfig.py
index 8e78aa373b8bdfc48835004e76afde7be55f2af4..b542aa27e378aa2db90c58e52ede0cb642246f7a 100644
--- a/bsp/at32/at32f403a-start/rtconfig.py
+++ b/bsp/at32/at32f403a-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/at32/at32f407-start/rtconfig.py b/bsp/at32/at32f407-start/rtconfig.py
index 8e78aa373b8bdfc48835004e76afde7be55f2af4..b542aa27e378aa2db90c58e52ede0cb642246f7a 100644
--- a/bsp/at32/at32f407-start/rtconfig.py
+++ b/bsp/at32/at32f407-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/at32/at32f413-start/rtconfig.py b/bsp/at32/at32f413-start/rtconfig.py
index 8e78aa373b8bdfc48835004e76afde7be55f2af4..b542aa27e378aa2db90c58e52ede0cb642246f7a 100644
--- a/bsp/at32/at32f413-start/rtconfig.py
+++ b/bsp/at32/at32f413-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/at32/at32f415-start/rtconfig.py b/bsp/at32/at32f415-start/rtconfig.py
index f9cad296fb87f534f6f68dc1185e894aab5d6f7e..54265a30af8d7164fef025a0f17ee7e81fcfb8b0 100644
--- a/bsp/at32/at32f415-start/rtconfig.py
+++ b/bsp/at32/at32f415-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/at32/at32f435-start/rtconfig.py b/bsp/at32/at32f435-start/rtconfig.py
index 8e78aa373b8bdfc48835004e76afde7be55f2af4..b542aa27e378aa2db90c58e52ede0cb642246f7a 100644
--- a/bsp/at32/at32f435-start/rtconfig.py
+++ b/bsp/at32/at32f435-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/at32/at32f437-start/rtconfig.py b/bsp/at32/at32f437-start/rtconfig.py
index 8e78aa373b8bdfc48835004e76afde7be55f2af4..b542aa27e378aa2db90c58e52ede0cb642246f7a 100644
--- a/bsp/at32/at32f437-start/rtconfig.py
+++ b/bsp/at32/at32f437-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/at91/at91sam9260/rtconfig.py b/bsp/at91/at91sam9260/rtconfig.py
index da3be0fd59b546698b3ad9c0f553b970a4aba576..309ebac4d3fd8cc26b8d9bd5fb18c69d736af22c 100644
--- a/bsp/at91/at91sam9260/rtconfig.py
+++ b/bsp/at91/at91sam9260/rtconfig.py
@@ -15,7 +15,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
 	EXEC_PATH 	= 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH 	= 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
diff --git a/bsp/at91/at91sam9g45/rtconfig.py b/bsp/at91/at91sam9g45/rtconfig.py
index bd29b56f4f22d6a3f4f5981d964dae0ba22d412d..254d2c3925316e83e0c06d84a0b994e2272f06c5 100644
--- a/bsp/at91/at91sam9g45/rtconfig.py
+++ b/bsp/at91/at91sam9g45/rtconfig.py
@@ -15,7 +15,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
 	EXEC_PATH 	= 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH 	= 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -89,7 +89,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf --bin $TARGET --output ' + TARGET_NAME + ' \n'
     POST_ACTION += 'fromelf -z $TARGET\n'
 #------- IAR settings ----------------------------------------------------------
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/dm365/rtconfig.py b/bsp/dm365/rtconfig.py
index 0b699be2eb3234ef18ead7baae5ff1f78ce3eb00..22601f00d3806836ade98cca933a5ef74ab13c98 100644
--- a/bsp/dm365/rtconfig.py
+++ b/bsp/dm365/rtconfig.py
@@ -72,7 +72,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'armcc'
     AS = 'armasm'
diff --git a/bsp/essemi/es32f0654/rtconfig.py b/bsp/essemi/es32f0654/rtconfig.py
index ed0d5930f08d952c7d73216ee5f55dc3d79cc9f9..3a2f6a22c04f2cd26eea4bd5f2e16a434459db34 100644
--- a/bsp/essemi/es32f0654/rtconfig.py
+++ b/bsp/essemi/es32f0654/rtconfig.py
@@ -22,7 +22,7 @@ elif CROSS_TOOL == 'keil':
     EXEC_PATH   = r'C:/Keil'
 
 elif CROSS_TOOL == 'iar': # not support iar yet
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/IAR'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -87,7 +87,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/essemi/es32f365x/rtconfig.py b/bsp/essemi/es32f365x/rtconfig.py
index 133aa4372e792a74b8ae68f78761f3affb9dc375..001fc474a57b3ce3d5782d2f792d9af2437e3a7e 100644
--- a/bsp/essemi/es32f365x/rtconfig.py
+++ b/bsp/essemi/es32f365x/rtconfig.py
@@ -22,7 +22,7 @@ elif CROSS_TOOL == 'keil':
     EXEC_PATH   = r'C:/Keil'
 
 elif CROSS_TOOL == 'iar': # not support iar yet
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/IAR'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -87,7 +87,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/essemi/es32f369x/rtconfig.py b/bsp/essemi/es32f369x/rtconfig.py
index 133aa4372e792a74b8ae68f78761f3affb9dc375..001fc474a57b3ce3d5782d2f792d9af2437e3a7e 100644
--- a/bsp/essemi/es32f369x/rtconfig.py
+++ b/bsp/essemi/es32f369x/rtconfig.py
@@ -22,7 +22,7 @@ elif CROSS_TOOL == 'keil':
     EXEC_PATH   = r'C:/Keil'
 
 elif CROSS_TOOL == 'iar': # not support iar yet
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/IAR'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -87,7 +87,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/fm33lc026/rtconfig.py b/bsp/fm33lc026/rtconfig.py
index 00c8bc74131478b8e2203cd5ebceefcc90fffed1..19cd29040436fbc50d894cb57f62fc79c33da95e 100644
--- a/bsp/fm33lc026/rtconfig.py
+++ b/bsp/fm33lc026/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/ft32/ft32f072xb-starter/rtconfig.py b/bsp/ft32/ft32f072xb-starter/rtconfig.py
index daaefbe30a5dc6b6182fb72e7514aef9252ce2e5..9818b62f9d8ee2c24da864ada509968739fcf0eb 100644
--- a/bsp/ft32/ft32f072xb-starter/rtconfig.py
+++ b/bsp/ft32/ft32f072xb-starter/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'D:/Program Files (x86)/IAR Systems/Embedded Workbench 8.2'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/fujitsu/mb9x/mb9bf500r/rtconfig.py b/bsp/fujitsu/mb9x/mb9bf500r/rtconfig.py
index 24ae26d0ab151a4346bf1fecffc1f2490d337aa5..a6a5180fc7578b3134a529031d44f66d6122fd6c 100644
--- a/bsp/fujitsu/mb9x/mb9bf500r/rtconfig.py
+++ b/bsp/fujitsu/mb9x/mb9bf500r/rtconfig.py
@@ -82,7 +82,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/fujitsu/mb9x/mb9bf506r/rtconfig.py b/bsp/fujitsu/mb9x/mb9bf506r/rtconfig.py
index d8b525f291f98cfe18147cec2bb53d678b650f8f..8114941fda4d0bd0510f7d0fb8fcd4fdba154ac1 100644
--- a/bsp/fujitsu/mb9x/mb9bf506r/rtconfig.py
+++ b/bsp/fujitsu/mb9x/mb9bf506r/rtconfig.py
@@ -18,7 +18,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
 	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -79,7 +79,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/fujitsu/mb9x/mb9bf618s/rtconfig.py b/bsp/fujitsu/mb9x/mb9bf618s/rtconfig.py
index 474ff3dd57af59038cdde161ab449366da76bbae..ca1942a11ada392fb551ecf58449141ad52df2e3 100644
--- a/bsp/fujitsu/mb9x/mb9bf618s/rtconfig.py
+++ b/bsp/fujitsu/mb9x/mb9bf618s/rtconfig.py
@@ -23,7 +23,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
 	EXEC_PATH 	= r'E:/Keil'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH 	= r'C:\Program Files\IAR Systems\Embedded Workbench 6.0 Evaluation'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -84,7 +84,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git "a/bsp/gd32/docs/GD32\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md" "b/bsp/gd32/docs/GD32\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
index 6607aa335d1b41a77675b06d763856e44cfa1e12..03c7764741ffbf608dd5c55cf20e5cba55996af0 100644
--- "a/bsp/gd32/docs/GD32\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
+++ "b/bsp/gd32/docs/GD32\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
@@ -151,7 +151,7 @@ env = Environment(tools = ['mingw'],
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
-if rtconfig.PLATFORM == 'iar':
+if rtconfig.PLATFORM == 'iccarm':
     env.Replace(CCCOM = ['$CC $CFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
     env.Replace(ARFLAGS = [''])
     env.Replace(LINKCOM = env["LINKCOM"] + ' --map rtthread.map')
diff --git a/bsp/gd32/gd32103c-eval/rtconfig.py b/bsp/gd32/gd32103c-eval/rtconfig.py
index 4285e6b03cb3c9ee447d15c5a440fa2675f074f1..a8cb7dc467374b34c027a0e1c7ff5d4b746d2760 100644
--- a/bsp/gd32/gd32103c-eval/rtconfig.py
+++ b/bsp/gd32/gd32103c-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32105c-eval/rtconfig.py b/bsp/gd32/gd32105c-eval/rtconfig.py
index 4285e6b03cb3c9ee447d15c5a440fa2675f074f1..a8cb7dc467374b34c027a0e1c7ff5d4b746d2760 100644
--- a/bsp/gd32/gd32105c-eval/rtconfig.py
+++ b/bsp/gd32/gd32105c-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32105r-start/rtconfig.py b/bsp/gd32/gd32105r-start/rtconfig.py
index 1839e540bfff71234fdf37785b82dc62e272c164..c28bbfc9dc479eef9a2be9aa983bd70ca1cec6f6 100644
--- a/bsp/gd32/gd32105r-start/rtconfig.py
+++ b/bsp/gd32/gd32105r-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32107c-eval/rtconfig.py b/bsp/gd32/gd32107c-eval/rtconfig.py
index 4285e6b03cb3c9ee447d15c5a440fa2675f074f1..a8cb7dc467374b34c027a0e1c7ff5d4b746d2760 100644
--- a/bsp/gd32/gd32107c-eval/rtconfig.py
+++ b/bsp/gd32/gd32107c-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32205r-start/rtconfig.py b/bsp/gd32/gd32205r-start/rtconfig.py
index 4285e6b03cb3c9ee447d15c5a440fa2675f074f1..a8cb7dc467374b34c027a0e1c7ff5d4b746d2760 100644
--- a/bsp/gd32/gd32205r-start/rtconfig.py
+++ b/bsp/gd32/gd32205r-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32303e-eval/rtconfig.py b/bsp/gd32/gd32303e-eval/rtconfig.py
index a91905a233aa729d77f7b67b499df291221b56d5..2075890edf17de2dd482c370ce221064038e3816 100644
--- a/bsp/gd32/gd32303e-eval/rtconfig.py
+++ b/bsp/gd32/gd32303e-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32305r-start/rtconfig.py b/bsp/gd32/gd32305r-start/rtconfig.py
index a91905a233aa729d77f7b67b499df291221b56d5..2075890edf17de2dd482c370ce221064038e3816 100644
--- a/bsp/gd32/gd32305r-start/rtconfig.py
+++ b/bsp/gd32/gd32305r-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32407v-start/rtconfig.py b/bsp/gd32/gd32407v-start/rtconfig.py
index a91905a233aa729d77f7b67b499df291221b56d5..2075890edf17de2dd482c370ce221064038e3816 100644
--- a/bsp/gd32/gd32407v-start/rtconfig.py
+++ b/bsp/gd32/gd32407v-start/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32450i-eval/rtconfig.py b/bsp/gd32/gd32450i-eval/rtconfig.py
index c0c0b203cfb9f6411356bdd1b1497ac71fd6cfb6..c6165614cb928507399240ceb73ecc657e9e95d9 100644
--- a/bsp/gd32/gd32450i-eval/rtconfig.py
+++ b/bsp/gd32/gd32450i-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32/gd32450z-eval/rtconfig.py b/bsp/gd32/gd32450z-eval/rtconfig.py
index c0c0b203cfb9f6411356bdd1b1497ac71fd6cfb6..c6165614cb928507399240ceb73ecc657e9e95d9 100644
--- a/bsp/gd32/gd32450z-eval/rtconfig.py
+++ b/bsp/gd32/gd32450z-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/gd32105c-eval/rtconfig.py b/bsp/gd32105c-eval/rtconfig.py
index 7a845afd38fe71c4687958bd155ff291f5857bf3..253e258b37d5412dc009be984530c8a343549a89 100644
--- a/bsp/gd32105c-eval/rtconfig.py
+++ b/bsp/gd32105c-eval/rtconfig.py
@@ -17,8 +17,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/gd32107c-eval/rtconfig.py b/bsp/gd32107c-eval/rtconfig.py
index 7a845afd38fe71c4687958bd155ff291f5857bf3..253e258b37d5412dc009be984530c8a343549a89 100644
--- a/bsp/gd32107c-eval/rtconfig.py
+++ b/bsp/gd32107c-eval/rtconfig.py
@@ -17,8 +17,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/gd32303e-eval/rtconfig.py b/bsp/gd32303e-eval/rtconfig.py
index c631bc3e443f71d25d77c4937be777f3959f115f..691c41e9a4dccc94e6d697c6fc17e6cf6bad85c3 100644
--- a/bsp/gd32303e-eval/rtconfig.py
+++ b/bsp/gd32303e-eval/rtconfig.py
@@ -17,8 +17,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/gd32350r-eval/rtconfig.py b/bsp/gd32350r-eval/rtconfig.py
index 1db5d5c2ba47eacbdaf8be20fd16c7d96166ff16..62a01d818683ee312664e7284dcc367b663da95a 100644
--- a/bsp/gd32350r-eval/rtconfig.py
+++ b/bsp/gd32350r-eval/rtconfig.py
@@ -18,8 +18,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'D:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -82,7 +82,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/gd32450z-eval/rtconfig.py b/bsp/gd32450z-eval/rtconfig.py
index 1f01ffe88b735b8e76e6dc517c640288ef7a37ee..56fce9b8c05bdc0ef680f59a057ed74170192022 100644
--- a/bsp/gd32450z-eval/rtconfig.py
+++ b/bsp/gd32450z-eval/rtconfig.py
@@ -18,8 +18,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'D:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -82,7 +82,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/gd32e230k-start/rtconfig.py b/bsp/gd32e230k-start/rtconfig.py
index 7f466916bba11c8d984525e67fd8826cd5e74f5a..9aad0f59ae5eb5d39891bf2b62621c4258621276 100644
--- a/bsp/gd32e230k-start/rtconfig.py
+++ b/bsp/gd32e230k-start/rtconfig.py
@@ -17,8 +17,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armclang'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -87,7 +87,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/hc32/ev_hc32f4a0_lqfp176/rtconfig.py b/bsp/hc32/ev_hc32f4a0_lqfp176/rtconfig.py
index b0b7b6a25e00c0f62fd21d8ffe9ca1f4c9999299..734f7beca4b3a6efeb0fb65cf9411f55de3b9a20 100644
--- a/bsp/hc32/ev_hc32f4a0_lqfp176/rtconfig.py
+++ b/bsp/hc32/ev_hc32f4a0_lqfp176/rtconfig.py
@@ -22,7 +22,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.4'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/hc32f460/rtconfig.py b/bsp/hc32f460/rtconfig.py
index 462c2009f63f5d7f2883b05dcb8e05117ae48d4e..d0d81cd0c0f16170acab7f70aeccd178aee5493b 100644
--- a/bsp/hc32f460/rtconfig.py
+++ b/bsp/hc32f460/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'D:\03_software\Program Files\Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'D:\03_software\Program Files\IAR Systems\Embedded Workbench 8.0'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -84,7 +84,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/hc32l136/rtconfig.py b/bsp/hc32l136/rtconfig.py
index 4556c8a87e5e3d5ea567e4e12979aef617aa994a..e55becc53c1d2edfa9fb4cc6ed66ecf3813f850f 100644
--- a/bsp/hc32l136/rtconfig.py
+++ b/bsp/hc32l136/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'D:\03_software\Program Files\Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'D:\03_software\Program Files\IAR Systems\Embedded Workbench 7.5'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -84,7 +84,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/hc32l196/rtconfig.py b/bsp/hc32l196/rtconfig.py
index cd1789c8466f1b4f8b1874167b96e0369d3bad6d..a63cea240e596f598fa57521f60bb2f7d15f9f9b 100644
--- a/bsp/hc32l196/rtconfig.py
+++ b/bsp/hc32l196/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -92,7 +92,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/hk32/hk32f030c8-mini/rtconfig.py b/bsp/hk32/hk32f030c8-mini/rtconfig.py
index 8e4b701f1ce79cc01b9a980566475ec8a9f74126..97aa33f0c5769526b37c4a0fd3c37b3a59952053 100644
--- a/bsp/hk32/hk32f030c8-mini/rtconfig.py
+++ b/bsp/hk32/hk32f030c8-mini/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/imx6sx/cortex-a9/rtconfig.py b/bsp/imx6sx/cortex-a9/rtconfig.py
index 3832ca675b04bab47d0f6d3a9d0f1ed06cf37079..349852950f2722048955350ed1f1bbf04d5d041d 100644
--- a/bsp/imx6sx/cortex-a9/rtconfig.py
+++ b/bsp/imx6sx/cortex-a9/rtconfig.py
@@ -83,7 +83,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1021-nxp-evk/rtconfig.py b/bsp/imxrt/imxrt1021-nxp-evk/rtconfig.py
index f05d337efeeb7cbde84aaee850d7e07113c99658..70a8122496b2dad1fd01e37af444f96f9fed5aa9 100644
--- a/bsp/imxrt/imxrt1021-nxp-evk/rtconfig.py
+++ b/bsp/imxrt/imxrt1021-nxp-evk/rtconfig.py
@@ -23,7 +23,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:\Program Files\IAR Systems\Embedded Workbench 9.0'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -101,7 +101,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1052-atk-commander/rtconfig.py b/bsp/imxrt/imxrt1052-atk-commander/rtconfig.py
index cf79de685ad42cd39e3ec85a4dcc62c3cd7a1d69..fe9220821697707e89dbfef499d352820ee7ca8f 100644
--- a/bsp/imxrt/imxrt1052-atk-commander/rtconfig.py
+++ b/bsp/imxrt/imxrt1052-atk-commander/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -101,7 +101,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1052-fire-pro/rtconfig.py b/bsp/imxrt/imxrt1052-fire-pro/rtconfig.py
index 552cefe8356221b4b14d04600de755d5b4337b80..60d2a9fc13b872f8e7fb5ec22f35415077495cc0 100644
--- a/bsp/imxrt/imxrt1052-fire-pro/rtconfig.py
+++ b/bsp/imxrt/imxrt1052-fire-pro/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -101,7 +101,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1052-nxp-evk/rtconfig.py b/bsp/imxrt/imxrt1052-nxp-evk/rtconfig.py
index 1c90a8bdaae1e9f81d6270caa90bfebe90bd26af..456c1f9267f4e411e37f29ca0efaeb29e970ae8c 100644
--- a/bsp/imxrt/imxrt1052-nxp-evk/rtconfig.py
+++ b/bsp/imxrt/imxrt1052-nxp-evk/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -104,7 +104,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1052-seeed-ArchMix/rtconfig.py b/bsp/imxrt/imxrt1052-seeed-ArchMix/rtconfig.py
index cf79de685ad42cd39e3ec85a4dcc62c3cd7a1d69..fe9220821697707e89dbfef499d352820ee7ca8f 100644
--- a/bsp/imxrt/imxrt1052-seeed-ArchMix/rtconfig.py
+++ b/bsp/imxrt/imxrt1052-seeed-ArchMix/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -101,7 +101,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1060-nxp-evk/rtconfig.py b/bsp/imxrt/imxrt1060-nxp-evk/rtconfig.py
index 71d719d5ebe78b849953283fbef8d32012ae2a20..57e61851aaa130fca0db14cf8fabeee8ffd479e1 100644
--- a/bsp/imxrt/imxrt1060-nxp-evk/rtconfig.py
+++ b/bsp/imxrt/imxrt1060-nxp-evk/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     # EXEC_PATH   = r'C:/Keil_v5'
     EXEC_PATH   = r'D:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -141,7 +141,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1064-nxp-evk/rtconfig.py b/bsp/imxrt/imxrt1064-nxp-evk/rtconfig.py
index 9689ac0bcb1b30830bcc49989175f45a25b734f2..b2256edd04c12211614876cf1f67365ac44b543c 100644
--- a/bsp/imxrt/imxrt1064-nxp-evk/rtconfig.py
+++ b/bsp/imxrt/imxrt1064-nxp-evk/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     # EXEC_PATH   = r'C:/Keil_v5'
     EXEC_PATH   = r'D:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -106,7 +106,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'    
     # POST_ACTION = 'fromelf --i32combined $TARGET --output="rtthread-mdk.hex" \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/imxrt1170-nxp-evk/rtconfig.py b/bsp/imxrt/imxrt1170-nxp-evk/rtconfig.py
index 1c90a8bdaae1e9f81d6270caa90bfebe90bd26af..456c1f9267f4e411e37f29ca0efaeb29e970ae8c 100644
--- a/bsp/imxrt/imxrt1170-nxp-evk/rtconfig.py
+++ b/bsp/imxrt/imxrt1170-nxp-evk/rtconfig.py
@@ -23,8 +23,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -104,7 +104,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/libraries/templates/imxrt1050xxx/rtconfig.py b/bsp/imxrt/libraries/templates/imxrt1050xxx/rtconfig.py
index 6944bf739bdf4a2774dc2a3305a574d7d8d42fdf..517946d2d5838d9192ed01a5ba078663455e2473 100644
--- a/bsp/imxrt/libraries/templates/imxrt1050xxx/rtconfig.py
+++ b/bsp/imxrt/libraries/templates/imxrt1050xxx/rtconfig.py
@@ -19,8 +19,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -97,7 +97,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/imxrt/libraries/templates/imxrt1064xxx/rtconfig.py b/bsp/imxrt/libraries/templates/imxrt1064xxx/rtconfig.py
index bd8fbea1bac1a8c23af7bf24c63c31dcd58508cf..331106dac0dfa3f2105c0e8e4d76f30cfc5cbdb5 100644
--- a/bsp/imxrt/libraries/templates/imxrt1064xxx/rtconfig.py
+++ b/bsp/imxrt/libraries/templates/imxrt1064xxx/rtconfig.py
@@ -19,8 +19,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -99,7 +99,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'    
     # POST_ACTION = 'fromelf --i32combined $TARGET --output="rtthread-mdk.hex" \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc176x/rtconfig.py b/bsp/lpc176x/rtconfig.py
index 6ea5b5c8a451e9b1ec08c36339a0bf8be26a5727..01845cfcfbe5cdd3675b22169c3bcffee0318173 100644
--- a/bsp/lpc176x/rtconfig.py
+++ b/bsp/lpc176x/rtconfig.py
@@ -15,7 +15,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
 	EXEC_PATH 	= 'C:/Keil'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc2148/rtconfig.py b/bsp/lpc2148/rtconfig.py
index 95e0c18e45909032c455465e28f5d396ef9c80e1..c2b1678fda16840422eb84364aa4d74ad4d5db97 100644
--- a/bsp/lpc2148/rtconfig.py
+++ b/bsp/lpc2148/rtconfig.py
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc2478/rtconfig.py b/bsp/lpc2478/rtconfig.py
index 1622ed54cc3d07420a23e33446f126c2f5081004..81b28c40641b116d73f92646396fda76e92c0ed4 100644
--- a/bsp/lpc2478/rtconfig.py
+++ b/bsp/lpc2478/rtconfig.py
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc43xx/M0/rtconfig.py b/bsp/lpc43xx/M0/rtconfig.py
index e577355e8387c630d8171523b3a8624d2d5da1ac..3aa2326c4a0c831479b039e992c4f959c364a60d 100644
--- a/bsp/lpc43xx/M0/rtconfig.py
+++ b/bsp/lpc43xx/M0/rtconfig.py
@@ -24,7 +24,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = r'D:/Keil'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -89,7 +89,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc43xx/M4/rtconfig.py b/bsp/lpc43xx/M4/rtconfig.py
index 226c6e2cc546932f3d0aa6d01459e5fff330bbdb..7bca80f91b0c11a8f8e07dcc50d6f699ee100ae8 100644
--- a/bsp/lpc43xx/M4/rtconfig.py
+++ b/bsp/lpc43xx/M4/rtconfig.py
@@ -28,7 +28,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = r'D:/Keil'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc54114-lite/rtconfig.py b/bsp/lpc54114-lite/rtconfig.py
index dca2f52e79dd26c09e520e2fba95fcef74134f49..1199adf6f1d90428c5500ca2f9d0e4bbc4b0fbd3 100644
--- a/bsp/lpc54114-lite/rtconfig.py
+++ b/bsp/lpc54114-lite/rtconfig.py
@@ -16,7 +16,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'D:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH  = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -86,7 +86,7 @@ elif PLATFORM == 'armcc':
     
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
     
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc55sxx/Libraries/template/lpc55s6xxxx/rtconfig.py b/bsp/lpc55sxx/Libraries/template/lpc55s6xxxx/rtconfig.py
index 25d2373c3841759269b533e45dafffafcbde84e9..15fcb3f0ce6b2930bc5fcb79ea34bd70872c1bfb 100644
--- a/bsp/lpc55sxx/Libraries/template/lpc55s6xxxx/rtconfig.py
+++ b/bsp/lpc55sxx/Libraries/template/lpc55s6xxxx/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -102,7 +102,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.py b/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.py
index 1f394bbceaecbb78eda1f735da048aa430def2d3..98b2a68e3626e4b6aceeada5b4a22758f2e431e5 100644
--- a/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.py
+++ b/bsp/lpc55sxx/lpc55s69_nxp_evk/rtconfig.py
@@ -22,7 +22,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -103,7 +103,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc55sxx/lpc55s69_nxp_evk_ns/rtconfig.py b/bsp/lpc55sxx/lpc55s69_nxp_evk_ns/rtconfig.py
index cfed933ffa944ed15888af950cf7fcb3e3625900..a789fbda1f452fc3a41c8d29ca7dac5277c1aa40 100644
--- a/bsp/lpc55sxx/lpc55s69_nxp_evk_ns/rtconfig.py
+++ b/bsp/lpc55sxx/lpc55s69_nxp_evk_ns/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -102,7 +102,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf -z $TARGET'
     # POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/lpc824/rtconfig.py b/bsp/lpc824/rtconfig.py
index 1d130785ce1a1252ee0f7c0aa8fc9b57e351d4cd..851296762de412b0d24ed76e01956458fe98d4be 100644
--- a/bsp/lpc824/rtconfig.py
+++ b/bsp/lpc824/rtconfig.py
@@ -18,8 +18,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= 'C:/keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
-    EXEC_PATH    = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM  = 'iccarm'
+    EXEC_PATH    = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/m16c62p/rtconfig.py b/bsp/m16c62p/rtconfig.py
index 0e800d3532f3e9baeb8434608dc40b4bae16bcef..5443ee57b8e7d60449425d346ca0dbbb955a607a 100644
--- a/bsp/m16c62p/rtconfig.py
+++ b/bsp/m16c62p/rtconfig.py
@@ -13,7 +13,7 @@ if  CROSS_TOOL == 'gcc':
 	PLATFORM 	= 'gcc'
 	EXEC_PATH 	= 'C:/Program Files/Renesas/Hew/Tools/KPIT Cummins/GNUM16CM32C-ELF/v11.01/m32c-elf/bin'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH = 'C:/Program Files/IAR Systems/Embedded Workbench Evaluation 6.0'
 #	EXEC_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench Evaluation 6.0'
 elif CROSS_TOOL == 'keil':
@@ -55,7 +55,7 @@ if PLATFORM == 'gcc':
 
     POST_ACTION = OBJCPY + ' -O srec $TARGET rtthread.mot\n' + SIZE + ' $TARGET \n'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccm16c'
     AS = 'am16c'
diff --git a/bsp/maxim/MAX32660_EVSYS/rtconfig.py b/bsp/maxim/MAX32660_EVSYS/rtconfig.py
index dbb190a93da6ad4582ebe456886d3f03c3041162..7e7dab0f738908366f9312995a37578522d4929d 100644
--- a/bsp/maxim/MAX32660_EVSYS/rtconfig.py
+++ b/bsp/maxim/MAX32660_EVSYS/rtconfig.py
@@ -86,7 +86,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
     
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/microchip/samc21/rtconfig.py b/bsp/microchip/samc21/rtconfig.py
index 61d50ab753fc69ff3643a3dcbd37bc053c4cc81e..74e0d5a3bd55a6bf7199ddd7f23e2ea07adfd2dc 100644
--- a/bsp/microchip/samc21/rtconfig.py
+++ b/bsp/microchip/samc21/rtconfig.py
@@ -25,8 +25,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
diff --git a/bsp/microchip/same54/rtconfig.py b/bsp/microchip/same54/rtconfig.py
index 61f9e4cc1a74a7c170ae93bbe3bc1eb9822dcc75..a1076592e48334eda2c84a37e221459cb534047e 100644
--- a/bsp/microchip/same54/rtconfig.py
+++ b/bsp/microchip/same54/rtconfig.py
@@ -27,8 +27,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
diff --git a/bsp/microchip/same70/rtconfig.py b/bsp/microchip/same70/rtconfig.py
index be5cf773d599b3181b0dbd3090e3fa44ef42c5a3..8f54bc28fd05623d795efaf7af9580e5437e1d2c 100644
--- a/bsp/microchip/same70/rtconfig.py
+++ b/bsp/microchip/same70/rtconfig.py
@@ -27,8 +27,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
diff --git a/bsp/microchip/saml10/rtconfig.py b/bsp/microchip/saml10/rtconfig.py
index 46ce7f12555b3932af35161296f414872c71b899..17ed6713df3975cf6990722b08bffa96790f3ed1 100644
--- a/bsp/microchip/saml10/rtconfig.py
+++ b/bsp/microchip/saml10/rtconfig.py
@@ -25,8 +25,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
diff --git a/bsp/mini2440/rtconfig.py b/bsp/mini2440/rtconfig.py
index f8332f1e6cd959cc3ba143cc14545196a46cd5f2..afeec633afe82ded4acc1f5abdb95fa8df700cc1 100644
--- a/bsp/mini2440/rtconfig.py
+++ b/bsp/mini2440/rtconfig.py
@@ -92,7 +92,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'armcc'
     AS = 'armasm'
diff --git a/bsp/mm32f103x/rtconfig.py b/bsp/mm32f103x/rtconfig.py
index 1e87cf72e0df93a8c330537be5a979ffeaeba448..78f52f55e966f17e2f9582884dad6b1536ea17b9 100644
--- a/bsp/mm32f103x/rtconfig.py
+++ b/bsp/mm32f103x/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -86,7 +86,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/mm32f327x/rtconfig.py b/bsp/mm32f327x/rtconfig.py
index 1e87cf72e0df93a8c330537be5a979ffeaeba448..78f52f55e966f17e2f9582884dad6b1536ea17b9 100644
--- a/bsp/mm32f327x/rtconfig.py
+++ b/bsp/mm32f327x/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -86,7 +86,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/mm32l07x/rtconfig.py b/bsp/mm32l07x/rtconfig.py
index 92983b6e941539656f9458655553391052afdf1a..2194a68adf9a3e866ed0bb88c854af65163bec0a 100644
--- a/bsp/mm32l07x/rtconfig.py
+++ b/bsp/mm32l07x/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -86,7 +86,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/mm32l3xx/rtconfig.py b/bsp/mm32l3xx/rtconfig.py
index 1e87cf72e0df93a8c330537be5a979ffeaeba448..78f52f55e966f17e2f9582884dad6b1536ea17b9 100644
--- a/bsp/mm32l3xx/rtconfig.py
+++ b/bsp/mm32l3xx/rtconfig.py
@@ -21,7 +21,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -86,7 +86,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/n32g452xx/n32g452xx-mini-system/rtconfig.py b/bsp/n32g452xx/n32g452xx-mini-system/rtconfig.py
index 9e1e88529ab78457dc2311f093175fea6f52003f..c7cbe3fb648f131f3005611d4cefc25392a9a3db 100755
--- a/bsp/n32g452xx/n32g452xx-mini-system/rtconfig.py
+++ b/bsp/n32g452xx/n32g452xx-mini-system/rtconfig.py
@@ -30,9 +30,9 @@ elif CROSS_TOOL == 'keil':
     if ('EXEC_PATH' in dir()) == False:
         EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     if ('EXEC_PATH' in dir()) == False:
-        EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+        EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 BUILD = 'debug'
 
@@ -99,7 +99,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git "a/bsp/nrf5x/docs/nRF5x\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md" "b/bsp/nrf5x/docs/nRF5x\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
index 761db1bde93c32b0a04d6f8f428b754f9e37772b..651bb0f9b6f25fb0de6df26449d9f6f804c8fc0a 100644
--- "a/bsp/nrf5x/docs/nRF5x\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
+++ "b/bsp/nrf5x/docs/nRF5x\347\263\273\345\210\227BSP\345\210\266\344\275\234\346\225\231\347\250\213.md"
@@ -53,7 +53,7 @@ elif GetDepend('SOC_NRF51822') == True:
 	if rtconfig.PLATFORM == 'gcc':
 		src += ['./mdk/gcc_startup_nrf51.S']
 		
-	if rtconfig.PLATFORM == 'iar':
+	if rtconfig.PLATFORM == 'iccarm':
 		D_SRC += ['./mdk/iar_startup_nrf51.s']
 ```
 
diff --git a/bsp/nuvoton/numaker-iot-m487/rtconfig.py b/bsp/nuvoton/numaker-iot-m487/rtconfig.py
index 180fc90efa45e73aac17e4aab5c76f48af43169f..4e398961d876c68dd9f45a2068df8c248313a557 100644
--- a/bsp/nuvoton/numaker-iot-m487/rtconfig.py
+++ b/bsp/nuvoton/numaker-iot-m487/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM = 'armcc'
 	EXEC_PATH = r'C:\Keil_v5'
 elif CROSS_TOOL == 'iar':
-	PLATFORM = 'iar'
+	PLATFORM = 'iccarm'
 	EXEC_PATH = r'C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -88,7 +88,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/nuvoton/numaker-m032ki/rtconfig.py b/bsp/nuvoton/numaker-m032ki/rtconfig.py
index ba712aa80663c1ac74cd9d0283bb4b142d340604..e773f34a1f5da6de87b3131339aad1fd6e469fbb 100644
--- a/bsp/nuvoton/numaker-m032ki/rtconfig.py
+++ b/bsp/nuvoton/numaker-m032ki/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
 	EXEC_PATH 	= r'C:\Keil_v5'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH 	= r'C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -87,7 +87,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/nuvoton/numaker-m2354/rtconfig.py b/bsp/nuvoton/numaker-m2354/rtconfig.py
index df687dafb117834ce9a916fbde8b5f752c8e932e..71272644e1f4388e91246ab99739428b9d8e99a9 100644
--- a/bsp/nuvoton/numaker-m2354/rtconfig.py
+++ b/bsp/nuvoton/numaker-m2354/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armclang'
 	EXEC_PATH 	= r'C:\Keil_v5'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
+	PLATFORM  = 'iccarm'
 	EXEC_PATH 	= r'C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -87,7 +87,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/nuvoton/numaker-pfm-m487/rtconfig.py b/bsp/nuvoton/numaker-pfm-m487/rtconfig.py
index 180fc90efa45e73aac17e4aab5c76f48af43169f..4e398961d876c68dd9f45a2068df8c248313a557 100644
--- a/bsp/nuvoton/numaker-pfm-m487/rtconfig.py
+++ b/bsp/nuvoton/numaker-pfm-m487/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
 	PLATFORM = 'armcc'
 	EXEC_PATH = r'C:\Keil_v5'
 elif CROSS_TOOL == 'iar':
-	PLATFORM = 'iar'
+	PLATFORM = 'iccarm'
 	EXEC_PATH = r'C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -88,7 +88,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/nv32f100x/rtconfig.py b/bsp/nv32f100x/rtconfig.py
index 7e1e24facd0748f2d786090adc9476c59534c04b..6852728f1f51a5b8c1d098f577f4186bb8c5d317 100644
--- a/bsp/nv32f100x/rtconfig.py
+++ b/bsp/nv32f100x/rtconfig.py
@@ -86,7 +86,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/raspberry-pico/rtconfig.py b/bsp/raspberry-pico/rtconfig.py
index 3ce354b9ca5351bafdb92d324c3988e99fbd3011..08a550fbccb102c4ad23af2f49d4f78ce276ee87 100644
--- a/bsp/raspberry-pico/rtconfig.py
+++ b/bsp/raspberry-pico/rtconfig.py
@@ -24,8 +24,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
diff --git a/bsp/renesas/libraries/bsp-template/rtconfig.py b/bsp/renesas/libraries/bsp-template/rtconfig.py
index 9a404b2dfaf306f01975502efa228196c517736c..f03ce7604dd45d6291cdbb23456c9bdd0dca7eca 100644
--- a/bsp/renesas/libraries/bsp-template/rtconfig.py
+++ b/bsp/renesas/libraries/bsp-template/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armclang'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files/IAR Systems/Embedded Workbench 8.0'
 
 if os.getenv('RTT_EXEC_PATH'):
diff --git a/bsp/renesas/ra6m4-cpk/rtconfig.py b/bsp/renesas/ra6m4-cpk/rtconfig.py
index 16968de0db2af7426db403c0c6397f23ffe2ad86..9565e9fad49e9e725d2bc582fd94ac16677cfad4 100644
--- a/bsp/renesas/ra6m4-cpk/rtconfig.py
+++ b/bsp/renesas/ra6m4-cpk/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armclang'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files/IAR Systems/Embedded Workbench 8.0'
 
 if os.getenv('RTT_EXEC_PATH'):
diff --git a/bsp/renesas/ra6m4-iot/rtconfig.py b/bsp/renesas/ra6m4-iot/rtconfig.py
index 9a404b2dfaf306f01975502efa228196c517736c..f03ce7604dd45d6291cdbb23456c9bdd0dca7eca 100644
--- a/bsp/renesas/ra6m4-iot/rtconfig.py
+++ b/bsp/renesas/ra6m4-iot/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armclang'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files/IAR Systems/Embedded Workbench 8.0'
 
 if os.getenv('RTT_EXEC_PATH'):
diff --git a/bsp/rm48x50/rtconfig.py b/bsp/rm48x50/rtconfig.py
index 0c11dc8d594f7ff9ded297095fa8d76c349be435..4be1cc26f108b98fcd6461ca7ae5ac869fad7b0c 100644
--- a/bsp/rm48x50/rtconfig.py
+++ b/bsp/rm48x50/rtconfig.py
@@ -88,7 +88,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/sam7x/rtconfig.py b/bsp/sam7x/rtconfig.py
index 2a3c76adde4aafed7b15d1d9d8b3008ce5d8a271..9b0113f8f1a1eeea64a901b5853eefb09c5a76c0 100644
--- a/bsp/sam7x/rtconfig.py
+++ b/bsp/sam7x/rtconfig.py
@@ -81,7 +81,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --i32 $TARGET --output rtthread-sam7x.hex \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'armcc'
     AS = 'armasm'
diff --git a/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py
index 46e0bedc9236395292cf8909838fd0a95bc9b93b..9b8d8076e0115008cbc3ebd6a539b974bb7f6ecd 100644
--- a/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f0xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py b/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py
index 85d76eb6230ceb67aafb18cbe280207e73e7e7a5..7ed928ddba7cf4dde84ed4745c367e20153ea5f7 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f10x/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32f2xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f2xx/rtconfig.py
index a7a2b3a064974e860dceed502b210910ba406b64..3e047b559c8fdd3e3d4598b630830e2853c0996e 100644
--- a/bsp/stm32/libraries/templates/stm32f2xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f2xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32f3xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f3xx/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/libraries/templates/stm32f3xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f3xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f4xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py
index 39c55429eec18095e7ae29a6a78a25be83d7598b..06215daed366e07ee74600c3f4e76a191c4cef66 100644
--- a/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32f7xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -126,7 +126,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32h7xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32h7xx/rtconfig.py
index 2c9cbdd792481d584ae882e21a35ad7e5253d03c..8da8c57718d0588aaf2f3d398eb9725d76085680 100644
--- a/bsp/stm32/libraries/templates/stm32h7xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32h7xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -94,7 +94,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32l1xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32l1xx/rtconfig.py
index 2f86aff321cfb6433f28760399e363ae91ee4cb7..fa54f25493cf0d8d7143cfd3e1a9832a66dcdde5 100644
--- a/bsp/stm32/libraries/templates/stm32l1xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32l1xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'G:/tool/keil'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.2'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32l4xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32l5xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32l5xx/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/libraries/templates/stm32l5xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32l5xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32mp1xx/rtconfig.py b/bsp/stm32/libraries/templates/stm32mp1xx/rtconfig.py
index b4605791cb23c5cfe9a15f2d8d4088656225f238..d2446f9fde55a419f80f299c0a42514622cc2270 100644
--- a/bsp/stm32/libraries/templates/stm32mp1xx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32mp1xx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/libraries/templates/stm32wbxx/rtconfig.py b/bsp/stm32/libraries/templates/stm32wbxx/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/libraries/templates/stm32wbxx/rtconfig.py
+++ b/bsp/stm32/libraries/templates/stm32wbxx/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f072-st-nucleo/rtconfig.py b/bsp/stm32/stm32f072-st-nucleo/rtconfig.py
index daaefbe30a5dc6b6182fb72e7514aef9252ce2e5..9818b62f9d8ee2c24da864ada509968739fcf0eb 100644
--- a/bsp/stm32/stm32f072-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f072-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'D:/Program Files (x86)/IAR Systems/Embedded Workbench 8.2'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f091-st-nucleo/rtconfig.py b/bsp/stm32/stm32f091-st-nucleo/rtconfig.py
index 17df5aa35e4cc4bbfe80cfafb826a5b4cf5344db..5f41e855a38552f5d7e133f806e82b3354718de4 100644
--- a/bsp/stm32/stm32f091-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f091-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-atk-nano/rtconfig.py b/bsp/stm32/stm32f103-atk-nano/rtconfig.py
index e282c015ca6fde193f7419ba6c799804666262b3..4f3ce9e99ae4743cdb8bdf5aa1bda5230da70abe 100644
--- a/bsp/stm32/stm32f103-atk-nano/rtconfig.py
+++ b/bsp/stm32/stm32f103-atk-nano/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-atk-warshipv3/rtconfig.py b/bsp/stm32/stm32f103-atk-warshipv3/rtconfig.py
index 437e6becf65860be406edde8d7cf4c3280e25374..558924a36a3ba5493e8f9520a4c4e4205a0a1f44 100644
--- a/bsp/stm32/stm32f103-atk-warshipv3/rtconfig.py
+++ b/bsp/stm32/stm32f103-atk-warshipv3/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-blue-pill/rtconfig.py b/bsp/stm32/stm32f103-blue-pill/rtconfig.py
index 43e61097a22afecf697089938a1cc543e4aec50e..43685c9070eabbb2f831b5198a9fa118b6f3b653 100644
--- a/bsp/stm32/stm32f103-blue-pill/rtconfig.py
+++ b/bsp/stm32/stm32f103-blue-pill/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-dofly-M3S/rtconfig.py b/bsp/stm32/stm32f103-dofly-M3S/rtconfig.py
index 63bacb9e6f5424937be0a65278da0bd33a617ef5..61ba95699e23e5d80990893838cdd973b3d6515a 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/rtconfig.py
+++ b/bsp/stm32/stm32f103-dofly-M3S/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-dofly-lyc8/rtconfig.py b/bsp/stm32/stm32f103-dofly-lyc8/rtconfig.py
index cf313add088c90e40c8c77cb71e866463e2f9b4f..b90f7e65a9d475c7159ff15fe8dee6f51fb263bd 100644
--- a/bsp/stm32/stm32f103-dofly-lyc8/rtconfig.py
+++ b/bsp/stm32/stm32f103-dofly-lyc8/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/rtconfig.py b/bsp/stm32/stm32f103-fire-arbitrary/rtconfig.py
index cf313add088c90e40c8c77cb71e866463e2f9b4f..b90f7e65a9d475c7159ff15fe8dee6f51fb263bd 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/rtconfig.py
+++ b/bsp/stm32/stm32f103-fire-arbitrary/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-gizwits-gokitv21/rtconfig.py b/bsp/stm32/stm32f103-gizwits-gokitv21/rtconfig.py
index 437e6becf65860be406edde8d7cf4c3280e25374..558924a36a3ba5493e8f9520a4c4e4205a0a1f44 100644
--- a/bsp/stm32/stm32f103-gizwits-gokitv21/rtconfig.py
+++ b/bsp/stm32/stm32f103-gizwits-gokitv21/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-hw100k-ibox/rtconfig.py b/bsp/stm32/stm32f103-hw100k-ibox/rtconfig.py
index 437e6becf65860be406edde8d7cf4c3280e25374..558924a36a3ba5493e8f9520a4c4e4205a0a1f44 100644
--- a/bsp/stm32/stm32f103-hw100k-ibox/rtconfig.py
+++ b/bsp/stm32/stm32f103-hw100k-ibox/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-onenet-nbiot/rtconfig.py b/bsp/stm32/stm32f103-onenet-nbiot/rtconfig.py
index a6d89ffdfdc1decf234bfd2e79602596499ff854..03db7f3826144b61124b4d013d78d53240e028a8 100644
--- a/bsp/stm32/stm32f103-onenet-nbiot/rtconfig.py
+++ b/bsp/stm32/stm32f103-onenet-nbiot/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f103-yf-ufun/rtconfig.py b/bsp/stm32/stm32f103-yf-ufun/rtconfig.py
index 437e6becf65860be406edde8d7cf4c3280e25374..558924a36a3ba5493e8f9520a4c4e4205a0a1f44 100644
--- a/bsp/stm32/stm32f103-yf-ufun/rtconfig.py
+++ b/bsp/stm32/stm32f103-yf-ufun/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f107-uc-eval/rtconfig.py b/bsp/stm32/stm32f107-uc-eval/rtconfig.py
index cf313add088c90e40c8c77cb71e866463e2f9b4f..b90f7e65a9d475c7159ff15fe8dee6f51fb263bd 100644
--- a/bsp/stm32/stm32f107-uc-eval/rtconfig.py
+++ b/bsp/stm32/stm32f107-uc-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f207-st-nucleo/rtconfig.py b/bsp/stm32/stm32f207-st-nucleo/rtconfig.py
index a7a2b3a064974e860dceed502b210910ba406b64..3e047b559c8fdd3e3d4598b630830e2853c0996e 100644
--- a/bsp/stm32/stm32f207-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f207-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f302-st-nucleo/rtconfig.py b/bsp/stm32/stm32f302-st-nucleo/rtconfig.py
index c1d6bcf8694e6f73b0bc70af77d4485a2176301d..9d514aa1a82aa21dece701a3f22a4f46d0162a48 100644
--- a/bsp/stm32/stm32f302-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f302-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f401-st-nucleo/rtconfig.py b/bsp/stm32/stm32f401-st-nucleo/rtconfig.py
index 0b5598eb908f08801400e2a28aa06c3a0f388e5e..cc91404e8729cd48cd500a135659bed25310ecd5 100644
--- a/bsp/stm32/stm32f401-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f401-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f405-smdz-breadfruit/rtconfig.py b/bsp/stm32/stm32f405-smdz-breadfruit/rtconfig.py
index 31f774d11fa06b69030f0f0729367b3f442568bb..1027da3a9636b011aea745a49f9838462dc51d12 100644
--- a/bsp/stm32/stm32f405-smdz-breadfruit/rtconfig.py
+++ b/bsp/stm32/stm32f405-smdz-breadfruit/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f407-armfly-v5/rtconfig.py b/bsp/stm32/stm32f407-armfly-v5/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32f407-armfly-v5/rtconfig.py
+++ b/bsp/stm32/stm32f407-armfly-v5/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f407-atk-explorer/rtconfig.py b/bsp/stm32/stm32f407-atk-explorer/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32f407-atk-explorer/rtconfig.py
+++ b/bsp/stm32/stm32f407-atk-explorer/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f407-robomaster-c/rtconfig.py b/bsp/stm32/stm32f407-robomaster-c/rtconfig.py
index fcf565ed4034c78e4589b877542e6e8b287aeb30..fa38f4e52b2e2c067cfdc771b3822390e4e46b98 100644
--- a/bsp/stm32/stm32f407-robomaster-c/rtconfig.py
+++ b/bsp/stm32/stm32f407-robomaster-c/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -126,7 +126,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f407-st-discovery/rtconfig.py b/bsp/stm32/stm32f407-st-discovery/rtconfig.py
index b4605791cb23c5cfe9a15f2d8d4088656225f238..d2446f9fde55a419f80f299c0a42514622cc2270 100644
--- a/bsp/stm32/stm32f407-st-discovery/rtconfig.py
+++ b/bsp/stm32/stm32f407-st-discovery/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f410-st-nucleo/rtconfig.py b/bsp/stm32/stm32f410-st-nucleo/rtconfig.py
index 51934c8fa9fc25af4ec147f951be184491be12fe..c3765e6f08cb16c15f280d30c5ebeb2ab623cf71 100644
--- a/bsp/stm32/stm32f410-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f410-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f411-atk-nano/rtconfig.py b/bsp/stm32/stm32f411-atk-nano/rtconfig.py
index 403fd8226d30328b21d33d249b671d8449049f3f..f92cd4c85ffe86044623eac6d63c1d19bde1207a 100644
--- a/bsp/stm32/stm32f411-atk-nano/rtconfig.py
+++ b/bsp/stm32/stm32f411-atk-nano/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f411-st-nucleo/rtconfig.py b/bsp/stm32/stm32f411-st-nucleo/rtconfig.py
index 5697fba90df940b9a22dc1b2aff7f2cd9d1b3529..78b61b7d2fb0c3f2fe70bfc4bead5cc4da46cfbc 100644
--- a/bsp/stm32/stm32f411-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f411-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f411-weact-MiniF4/rtconfig.py b/bsp/stm32/stm32f411-weact-MiniF4/rtconfig.py
index 51934c8fa9fc25af4ec147f951be184491be12fe..c3765e6f08cb16c15f280d30c5ebeb2ab623cf71 100644
--- a/bsp/stm32/stm32f411-weact-MiniF4/rtconfig.py
+++ b/bsp/stm32/stm32f411-weact-MiniF4/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f412-st-nucleo/rtconfig.py b/bsp/stm32/stm32f412-st-nucleo/rtconfig.py
index 9193d4a1d570283c8e347e1c46a72277639feabe..82445d4c2e42f6ebc2678a3f3ae9ba32fbcc3805 100644
--- a/bsp/stm32/stm32f412-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f412-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f413-st-nucleo/rtconfig.py b/bsp/stm32/stm32f413-st-nucleo/rtconfig.py
index 403fd8226d30328b21d33d249b671d8449049f3f..f92cd4c85ffe86044623eac6d63c1d19bde1207a 100644
--- a/bsp/stm32/stm32f413-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f413-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f427-robomaster-a/rtconfig.py b/bsp/stm32/stm32f427-robomaster-a/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32f427-robomaster-a/rtconfig.py
+++ b/bsp/stm32/stm32f427-robomaster-a/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f429-armfly-v6/rtconfig.py b/bsp/stm32/stm32f429-armfly-v6/rtconfig.py
index 0a92515db294547b9e0e97dea39eaaddb2770521..df5ad74299ccd075b66b9f507f061ef34368956d 100644
--- a/bsp/stm32/stm32f429-armfly-v6/rtconfig.py
+++ b/bsp/stm32/stm32f429-armfly-v6/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f429-atk-apollo/rtconfig.py b/bsp/stm32/stm32f429-atk-apollo/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32f429-atk-apollo/rtconfig.py
+++ b/bsp/stm32/stm32f429-atk-apollo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f429-fire-challenger/rtconfig.py b/bsp/stm32/stm32f429-fire-challenger/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32f429-fire-challenger/rtconfig.py
+++ b/bsp/stm32/stm32f429-fire-challenger/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f429-st-disco/rtconfig.py b/bsp/stm32/stm32f429-st-disco/rtconfig.py
index b4605791cb23c5cfe9a15f2d8d4088656225f238..d2446f9fde55a419f80f299c0a42514622cc2270 100644
--- a/bsp/stm32/stm32f429-st-disco/rtconfig.py
+++ b/bsp/stm32/stm32f429-st-disco/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f446-st-nucleo/rtconfig.py b/bsp/stm32/stm32f446-st-nucleo/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32f446-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f446-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f469-st-disco/rtconfig.py b/bsp/stm32/stm32f469-st-disco/rtconfig.py
index b4605791cb23c5cfe9a15f2d8d4088656225f238..d2446f9fde55a419f80f299c0a42514622cc2270 100644
--- a/bsp/stm32/stm32f469-st-disco/rtconfig.py
+++ b/bsp/stm32/stm32f469-st-disco/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f746-st-disco/rtconfig.py b/bsp/stm32/stm32f746-st-disco/rtconfig.py
index 043f8a70118115aadeceb8f06f58fec60b0c5528..d4e7017d0c2f2e6814c08f67565927573440b4d7 100644
--- a/bsp/stm32/stm32f746-st-disco/rtconfig.py
+++ b/bsp/stm32/stm32f746-st-disco/rtconfig.py
@@ -19,8 +19,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -131,7 +131,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f746-st-nucleo/rtconfig.py b/bsp/stm32/stm32f746-st-nucleo/rtconfig.py
index fd511bc3f69b116f41a61651f70de828ddc865a1..f2e40ba502ee8387188730df183949ef378a0188 100644
--- a/bsp/stm32/stm32f746-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f746-st-nucleo/rtconfig.py
@@ -19,8 +19,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -133,7 +133,7 @@ elif PLATFORM == 'armclang':
     
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f767-atk-apollo/rtconfig.py b/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
index 1a1457d734b847a2cd01c49c2059524facb3b0d5..663c053f39d7e71ad6af3ba215b4d83a9f8bfad5 100644
--- a/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
+++ b/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM 	= 'armcc'
     EXEC_PATH 	= r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-	PLATFORM 	= 'iar'
-	EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+	PLATFORM  = 'iccarm'
+	EXEC_PATH 	= r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f767-fire-challenger-v1/rtconfig.py b/bsp/stm32/stm32f767-fire-challenger-v1/rtconfig.py
index 8567ba63d8790a1821ed71f9bdf561fe57cdb007..ea1f99f4cb4ee4f1aed58be1f4e499bc216bfc2c 100644
--- a/bsp/stm32/stm32f767-fire-challenger-v1/rtconfig.py
+++ b/bsp/stm32/stm32f767-fire-challenger-v1/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f767-st-nucleo/rtconfig.py b/bsp/stm32/stm32f767-st-nucleo/rtconfig.py
index 6470e007517833692d551857e4225a0f17297d7a..720907b8935c532cb98458ba4c64d3ba25a56051 100644
--- a/bsp/stm32/stm32f767-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f767-st-nucleo/rtconfig.py
@@ -19,8 +19,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -133,7 +133,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32f769-st-disco/rtconfig.py b/bsp/stm32/stm32f769-st-disco/rtconfig.py
index 9bdf94060556e9e05aea85e485b15cfd7eb92684..65a3b8e2a5953f149f44de3ca87112137085830f 100644
--- a/bsp/stm32/stm32f769-st-disco/rtconfig.py
+++ b/bsp/stm32/stm32f769-st-disco/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -126,7 +126,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32g070-st-nucleo/rtconfig.py b/bsp/stm32/stm32g070-st-nucleo/rtconfig.py
index 95477c738c0b6c41a56f4592e6656ec5c69e4f6e..afd5f66e4a37843e1cf44e493d20306210b889e9 100644
--- a/bsp/stm32/stm32g070-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32g070-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32g071-st-nucleo/rtconfig.py b/bsp/stm32/stm32g071-st-nucleo/rtconfig.py
index 95477c738c0b6c41a56f4592e6656ec5c69e4f6e..afd5f66e4a37843e1cf44e493d20306210b889e9 100644
--- a/bsp/stm32/stm32g071-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32g071-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32g431-st-nucleo/rtconfig.py b/bsp/stm32/stm32g431-st-nucleo/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32g431-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32g431-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32g474-st-nucleo/rtconfig.py b/bsp/stm32/stm32g474-st-nucleo/rtconfig.py
index 871c33548cf6a012ba8b636f74aac45023c115a7..5e5bc020645982253cfae098d432200295d3b476 100644
--- a/bsp/stm32/stm32g474-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32g474-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32h743-armfly-v7/rtconfig.py b/bsp/stm32/stm32h743-armfly-v7/rtconfig.py
index 13a0ebbdb9aaeb9cd48b4f5cb50419c4cb85a94a..15ddd3158a0acdc74f2ad2fd94dafd5505a34954 100644
--- a/bsp/stm32/stm32h743-armfly-v7/rtconfig.py
+++ b/bsp/stm32/stm32h743-armfly-v7/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32h743-atk-apollo/rtconfig.py b/bsp/stm32/stm32h743-atk-apollo/rtconfig.py
index 13a0ebbdb9aaeb9cd48b4f5cb50419c4cb85a94a..15ddd3158a0acdc74f2ad2fd94dafd5505a34954 100644
--- a/bsp/stm32/stm32h743-atk-apollo/rtconfig.py
+++ b/bsp/stm32/stm32h743-atk-apollo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32h743-openmv-h7plus/rtconfig.py b/bsp/stm32/stm32h743-openmv-h7plus/rtconfig.py
index 9193d4a1d570283c8e347e1c46a72277639feabe..82445d4c2e42f6ebc2678a3f3ae9ba32fbcc3805 100644
--- a/bsp/stm32/stm32h743-openmv-h7plus/rtconfig.py
+++ b/bsp/stm32/stm32h743-openmv-h7plus/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32h743-st-nucleo/rtconfig.py b/bsp/stm32/stm32h743-st-nucleo/rtconfig.py
index 13a0ebbdb9aaeb9cd48b4f5cb50419c4cb85a94a..15ddd3158a0acdc74f2ad2fd94dafd5505a34954 100644
--- a/bsp/stm32/stm32h743-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32h743-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32h747-st-discovery/rtconfig.py b/bsp/stm32/stm32h747-st-discovery/rtconfig.py
index 13a0ebbdb9aaeb9cd48b4f5cb50419c4cb85a94a..15ddd3158a0acdc74f2ad2fd94dafd5505a34954 100644
--- a/bsp/stm32/stm32h747-st-discovery/rtconfig.py
+++ b/bsp/stm32/stm32h747-st-discovery/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32h750-armfly-h7-tool/rtconfig.py b/bsp/stm32/stm32h750-armfly-h7-tool/rtconfig.py
index 13a0ebbdb9aaeb9cd48b4f5cb50419c4cb85a94a..15ddd3158a0acdc74f2ad2fd94dafd5505a34954 100644
--- a/bsp/stm32/stm32h750-armfly-h7-tool/rtconfig.py
+++ b/bsp/stm32/stm32h750-armfly-h7-tool/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32h750-artpi/rtconfig.py b/bsp/stm32/stm32h750-artpi/rtconfig.py
index bf04a43eb90c66a1ea31cfd3329c26e098963209..c1b699a9118920b8cc75779790acb2e947b12a18 100644
--- a/bsp/stm32/stm32h750-artpi/rtconfig.py
+++ b/bsp/stm32/stm32h750-artpi/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l010-st-nucleo/rtconfig.py b/bsp/stm32/stm32l010-st-nucleo/rtconfig.py
index 8eeff0e7beb064dbcc0b5df7b8149901725c4843..b38196abb7796af6f78e3c66f0f5562ecf19513c 100644
--- a/bsp/stm32/stm32l010-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l010-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l053-st-nucleo/rtconfig.py b/bsp/stm32/stm32l053-st-nucleo/rtconfig.py
index 8eeff0e7beb064dbcc0b5df7b8149901725c4843..b38196abb7796af6f78e3c66f0f5562ecf19513c 100644
--- a/bsp/stm32/stm32l053-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l053-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l412-st-nucleo/rtconfig.py b/bsp/stm32/stm32l412-st-nucleo/rtconfig.py
index d72856616ee7e260f20446886d7b1d47615197da..2a680c26b19e8c2acb557966cd18563a9c2a2147 100644
--- a/bsp/stm32/stm32l412-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l412-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l431-BearPi/rtconfig.py b/bsp/stm32/stm32l431-BearPi/rtconfig.py
index a8417a6f218b4e611ecf8fe92c705cca703c4501..aa8c165c36b919f86ac8deac3daab550d16cf789 100644
--- a/bsp/stm32/stm32l431-BearPi/rtconfig.py
+++ b/bsp/stm32/stm32l431-BearPi/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l432-st-nucleo/rtconfig.py b/bsp/stm32/stm32l432-st-nucleo/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/stm32l432-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l432-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l433-ali-startkit/rtconfig.py b/bsp/stm32/stm32l433-ali-startkit/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/stm32l433-ali-startkit/rtconfig.py
+++ b/bsp/stm32/stm32l433-ali-startkit/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l433-st-nucleo/rtconfig.py b/bsp/stm32/stm32l433-st-nucleo/rtconfig.py
index 5ae577cd0053ac1cfd07d5ff652e7481055df1e7..7942919c8e4b89d5a2cb6de509985098011e3375 100644
--- a/bsp/stm32/stm32l433-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l433-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l452-st-nucleo/rtconfig.py b/bsp/stm32/stm32l452-st-nucleo/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/stm32l452-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l452-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
index 4250a3d1529f8450594c621f354f15dd78c5a792..af29494a89cf70f0dd3bb2afd5c0f6bfdd7aa172 100644
--- a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
+++ b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l475-st-discovery/rtconfig.py b/bsp/stm32/stm32l475-st-discovery/rtconfig.py
index 142ba69547b3c38122da8e8b06723a5cd0c37282..52c32cec882bbd682df154c4b9b9d8870ff99179 100644
--- a/bsp/stm32/stm32l475-st-discovery/rtconfig.py
+++ b/bsp/stm32/stm32l475-st-discovery/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l476-st-nucleo/rtconfig.py b/bsp/stm32/stm32l476-st-nucleo/rtconfig.py
index a0816b29e873f591eadb9e3f40a8b47eabf9f6d5..11564b8fd1ffd9063028aceab7292663f7b58414 100644
--- a/bsp/stm32/stm32l476-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l476-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l496-ali-developer/rtconfig.py b/bsp/stm32/stm32l496-ali-developer/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/stm32l496-ali-developer/rtconfig.py
+++ b/bsp/stm32/stm32l496-ali-developer/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l496-st-nucleo/rtconfig.py b/bsp/stm32/stm32l496-st-nucleo/rtconfig.py
index 9193d4a1d570283c8e347e1c46a72277639feabe..82445d4c2e42f6ebc2678a3f3ae9ba32fbcc3805 100644
--- a/bsp/stm32/stm32l496-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l496-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -128,7 +128,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l4r5-st-nucleo/rtconfig.py b/bsp/stm32/stm32l4r5-st-nucleo/rtconfig.py
index bbb5b20041e4a5a9d7829892d3a5fb56833c0979..c388a894059a0198cce180ffd62c554792923157 100644
--- a/bsp/stm32/stm32l4r5-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l4r5-st-nucleo/rtconfig.py
@@ -22,7 +22,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.4'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l4r9-st-eval/rtconfig.py b/bsp/stm32/stm32l4r9-st-eval/rtconfig.py
index e0f9b603eec905ef5481afbdb4b56a8ffb1a3141..0792efdcea75393f7d54e4ce8f6ca3ea4021c7d2 100644
--- a/bsp/stm32/stm32l4r9-st-eval/rtconfig.py
+++ b/bsp/stm32/stm32l4r9-st-eval/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l4r9-st-sensortile-box/rtconfig.py b/bsp/stm32/stm32l4r9-st-sensortile-box/rtconfig.py
index e0f9b603eec905ef5481afbdb4b56a8ffb1a3141..0792efdcea75393f7d54e4ce8f6ca3ea4021c7d2 100644
--- a/bsp/stm32/stm32l4r9-st-sensortile-box/rtconfig.py
+++ b/bsp/stm32/stm32l4r9-st-sensortile-box/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32l552-st-nucleo/rtconfig.py b/bsp/stm32/stm32l552-st-nucleo/rtconfig.py
index d648bba7b871f6438d01a866b1f4e6fe866009c3..18a9b38c8692f94e1763970c1f01753e1bc8a536 100644
--- a/bsp/stm32/stm32l552-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32l552-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armclang'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -95,7 +95,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32mp157a-st-discovery/rtconfig.py b/bsp/stm32/stm32mp157a-st-discovery/rtconfig.py
index b4605791cb23c5cfe9a15f2d8d4088656225f238..d2446f9fde55a419f80f299c0a42514622cc2270 100644
--- a/bsp/stm32/stm32mp157a-st-discovery/rtconfig.py
+++ b/bsp/stm32/stm32mp157a-st-discovery/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32mp157a-st-ev1/rtconfig.py b/bsp/stm32/stm32mp157a-st-ev1/rtconfig.py
index b4605791cb23c5cfe9a15f2d8d4088656225f238..d2446f9fde55a419f80f299c0a42514622cc2270 100644
--- a/bsp/stm32/stm32mp157a-st-ev1/rtconfig.py
+++ b/bsp/stm32/stm32mp157a-st-ev1/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32u575-st-nucleo/rtconfig.py b/bsp/stm32/stm32u575-st-nucleo/rtconfig.py
index b14888b02417e09b8c95efe764d948714d2d6612..3f5483a3a903c21e38e8fad5b449e6b9868a1642 100644
--- a/bsp/stm32/stm32u575-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32u575-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armclang'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -95,7 +95,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32wb55-st-nucleo/rtconfig.py b/bsp/stm32/stm32wb55-st-nucleo/rtconfig.py
index b6c0783af562701bc001b8bdcc43733cac635761..c1f50801663386f23563f78b0bd788daad0161db 100644
--- a/bsp/stm32/stm32wb55-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32wb55-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32wl55-st-nucleo/rtconfig.py b/bsp/stm32/stm32wl55-st-nucleo/rtconfig.py
index fc0386eaea822e28d266fcba3a00f1cb631586fc..c1cd2041993a6e61579d3b871ac07ff08fb315e2 100644
--- a/bsp/stm32/stm32wl55-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32wl55-st-nucleo/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32wle5-yizhilian-lm401/rtconfig.py b/bsp/stm32/stm32wle5-yizhilian-lm401/rtconfig.py
index fc0386eaea822e28d266fcba3a00f1cb631586fc..c1cd2041993a6e61579d3b871ac07ff08fb315e2 100644
--- a/bsp/stm32/stm32wle5-yizhilian-lm401/rtconfig.py
+++ b/bsp/stm32/stm32wle5-yizhilian-lm401/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/stm32/stm32wle5-yizhilian-lm402/rtconfig.py b/bsp/stm32/stm32wle5-yizhilian-lm402/rtconfig.py
index fc0386eaea822e28d266fcba3a00f1cb631586fc..c1cd2041993a6e61579d3b871ac07ff08fb315e2 100644
--- a/bsp/stm32/stm32wle5-yizhilian-lm402/rtconfig.py
+++ b/bsp/stm32/stm32wle5-yizhilian-lm402/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -127,7 +127,7 @@ elif PLATFORM == 'armclang':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/swm320/rtconfig.py b/bsp/swm320/rtconfig.py
index f90b4903920ae5411a3d1d9fa835958fa040e65f..8fe8bfcbe5796480ebafd06a13ecc95928d2a864 100644
--- a/bsp/swm320/rtconfig.py
+++ b/bsp/swm320/rtconfig.py
@@ -18,8 +18,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -89,7 +89,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     CC = 'iccarm'
     CXX = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/tkm32F499/rtconfig.py b/bsp/tkm32F499/rtconfig.py
index 4f537ccd48e806ff632cafc4451b6babcf1c26e5..1d5dffbecc1f5d48151b9e160591508579dfc9ad 100644
--- a/bsp/tkm32F499/rtconfig.py
+++ b/bsp/tkm32F499/rtconfig.py
@@ -19,7 +19,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = r'D:/Keil/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -118,7 +118,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/tm4c123bsp/rtconfig.py b/bsp/tm4c123bsp/rtconfig.py
index 3767b4264a1302f2daf366ec6a7ade50f250667f..a5be259c787e3b8db8fe3ad6c28ab18625c04bdd 100644
--- a/bsp/tm4c123bsp/rtconfig.py
+++ b/bsp/tm4c123bsp/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/tm4c129x/rtconfig.py b/bsp/tm4c129x/rtconfig.py
index 691d51358b61c6c5f1945815b33868d61a063c7c..6b8a21c8dab82ae1ec4d9ce3538cb3cd7a8fb740 100644
--- a/bsp/tm4c129x/rtconfig.py
+++ b/bsp/tm4c129x/rtconfig.py
@@ -21,8 +21,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM     = 'armcc'
     EXEC_PATH    = r'C:\Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM     = 'iar'
-    EXEC_PATH    = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM     = 'iccarm'
+    EXEC_PATH    = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
     
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -84,7 +84,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/upd70f3454/rtconfig.py b/bsp/upd70f3454/rtconfig.py
index 638470b64567f54d63352d7a78559d16b870e6aa..c092a84c301175a59b0275f48f1849e0f5bb8c5b 100644
--- a/bsp/upd70f3454/rtconfig.py
+++ b/bsp/upd70f3454/rtconfig.py
@@ -15,7 +15,7 @@ if  CROSS_TOOL == 'gcc':
     print('=================================================')
     exit(0)
 elif CROSS_TOOL == 'iar':
-    PLATFORM 	= 'iar'
+    PLATFORM  = 'iccarm'
     EXEC_PATH = 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation_0'
 elif CROSS_TOOL == 'keil':
     print('================ERROR============================')
@@ -56,7 +56,7 @@ if PLATFORM == 'gcc':
 
     POST_ACTION = OBJCPY + ' -O srec $TARGET rtthread.mot\n' + SIZE + ' $TARGET \n'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccv850'
     AS = 'av850'
diff --git a/bsp/w60x/rtconfig.py b/bsp/w60x/rtconfig.py
index 254eb4fddcaeb11de0fb37f7c4d35957e5863246..a3d9e5d64b6cf3fa9dd2dd2b5c17781970df65cd 100644
--- a/bsp/w60x/rtconfig.py
+++ b/bsp/w60x/rtconfig.py
@@ -20,7 +20,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET \n'
     POST_ACTION += 'python ./makeimg.py'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/wch/arm/ch32f103c8-core/rtconfig.py b/bsp/wch/arm/ch32f103c8-core/rtconfig.py
index 5f373385735ba74d134d43ac70abdd559ed82992..f761099fc43e1bcdcd471200a3f86ed992585e84 100644
--- a/bsp/wch/arm/ch32f103c8-core/rtconfig.py
+++ b/bsp/wch/arm/ch32f103c8-core/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/wch/arm/ch32f203r-evt/rtconfig.py b/bsp/wch/arm/ch32f203r-evt/rtconfig.py
index 5f373385735ba74d134d43ac70abdd559ed82992..f761099fc43e1bcdcd471200a3f86ed992585e84 100644
--- a/bsp/wch/arm/ch32f203r-evt/rtconfig.py
+++ b/bsp/wch/arm/ch32f203r-evt/rtconfig.py
@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.0'
+    PLATFORM    = 'iccarm'
+    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/wch/arm/ch579m/rtconfig.py b/bsp/wch/arm/ch579m/rtconfig.py
index 2865a4f642075fa7a96403f0a52f473a5344427f..282795f17ba1b58f77d5c9265cee54af26e912a0 100644
--- a/bsp/wch/arm/ch579m/rtconfig.py
+++ b/bsp/wch/arm/ch579m/rtconfig.py
@@ -22,7 +22,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/IAR'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -93,7 +93,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/bsp/xplorer4330/M0/rtconfig.py b/bsp/xplorer4330/M0/rtconfig.py
index 6902581132cb34beae601c29f5bfda14c7e6c656..0ae74a30cdea4b31c67d391e627f260ba85bb1f7 100644
--- a/bsp/xplorer4330/M0/rtconfig.py
+++ b/bsp/xplorer4330/M0/rtconfig.py
@@ -28,7 +28,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = r'D:/Keil'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -92,7 +92,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/xplorer4330/M4/rtconfig.py b/bsp/xplorer4330/M4/rtconfig.py
index 465f12eb0ab72bedccfc81367105c28169953c9c..aa1b8644d75a856fe9dbb9d08934550620694331 100644
--- a/bsp/xplorer4330/M4/rtconfig.py
+++ b/bsp/xplorer4330/M4/rtconfig.py
@@ -28,7 +28,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = r'D:/Keil'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = r'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -92,7 +92,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     AS = 'iasmarm'
diff --git a/bsp/yichip/yc3121-pos/rtconfig.py b/bsp/yichip/yc3121-pos/rtconfig.py
index f07430c42e2d0ec3dd45afd9ca0bd4f2348d28e8..94f16842adeec6d1abaa9d70cda2ae78a42eabc4 100644
--- a/bsp/yichip/yc3121-pos/rtconfig.py
+++ b/bsp/yichip/yc3121-pos/rtconfig.py
@@ -25,7 +25,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM = 'iar'
+    PLATFORM = 'iccarm'
     EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
@@ -95,7 +95,7 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf.exe --text -a -c --output=@L_asm.txt "!L" \nfromelf -z $TARGET'
 
-elif PLATFORM == 'iar':
+elif PLATFORM == 'iccarm':
     # toolchains
     CC = 'iccarm'
     CXX = 'iccarm'
diff --git a/components/libc/compilers/common/extension/fcntl/octal/SConscript b/components/libc/compilers/common/extension/fcntl/octal/SConscript
index 65e7cf264e0afed4bcf773007620c0bbc31c5a45..ed9289b82500aae887d9c0835f66875aaf2965b9 100644
--- a/components/libc/compilers/common/extension/fcntl/octal/SConscript
+++ b/components/libc/compilers/common/extension/fcntl/octal/SConscript
@@ -6,6 +6,6 @@ cwd   = GetCurrentDir()
 CPPPATH = [cwd]
 group = []
 
-if rtconfig.PLATFORM in ['armcc', 'armclang', 'iar']:
+if rtconfig.PLATFORM in ['armcc', 'armclang', 'iccarm']:
     group = DefineGroup('Compiler', src, depend = [''], CPPPATH = CPPPATH)
 Return('group')
diff --git a/components/lwp/SConscript b/components/lwp/SConscript
index f151f3b92e17146f34b8ce69718ec42f71452fd2..98a7cf368a2291a43949a5b8652e38200fd57077 100644
--- a/components/lwp/SConscript
+++ b/components/lwp/SConscript
@@ -6,7 +6,7 @@ src     = []
 CPPPATH = [cwd]
 
 support_arch  = {"arm": ["cortex-m3", "cortex-m4", "cortex-m7", "arm926", "cortex-a"]}
-platform_file = {'armcc': 'rvds.S', 'gcc': 'gcc.S', 'iar': 'iar.S'}
+platform_file = {'armcc': 'rvds.S', 'gcc': 'gcc.S', 'iccarm': 'iar.S'}
 
 if rtconfig.PLATFORM in platform_file.keys():	# support platforms
     if rtconfig.ARCH in support_arch.keys() and rtconfig.CPU in support_arch[rtconfig.ARCH]:
diff --git a/documentation/scons/scons.md b/documentation/scons/scons.md
index 5a4d78051b6b290a021ff400932a4f092114cbd4..51597485b91ad1123eafd2c12c5d10ab8ef6322a 100644
--- a/documentation/scons/scons.md
+++ b/documentation/scons/scons.md
@@ -512,7 +512,7 @@ elif CROSS_TOOL == 'keil':
     PLATFORM    = 'armcc'
     EXEC_PATH   = 'C:/Keilv5'
 elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
+    PLATFORM    = 'iccarm'
     EXEC_PATH   = 'C:/Program Files/IAR Systems/Embedded Workbench 6.0 Evaluation'
 
 if os.getenv('RTT_EXEC_PATH'):
diff --git a/tools/building.py b/tools/building.py
index deeb8fb620f28ddfe333031bcbdca37d7a27a758..e8071881516026520dabdb683a4debab0cdeef53 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -228,7 +228,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
         env['LIBLINKSUFFIX'] = '.lib'
         env['LIBDIRPREFIX'] = '--userlibpath '
 
-    elif rtconfig.PLATFORM == 'iar':
+    elif rtconfig.PLATFORM == 'iccarm':
         env['LIBPREFIX'] = ''
         env['LIBSUFFIX'] = '.a'
         env['LIBLINKPREFIX'] = ''
diff --git a/tools/mkdist.py b/tools/mkdist.py
index e2c2b8da50569b6fd4f3041eabd403e2aca00c76..f0a59cbd17b52ef8c0e7502687a415f7b3d58f81 100644
--- a/tools/mkdist.py
+++ b/tools/mkdist.py
@@ -173,7 +173,7 @@ def bs_update_ide_project(bsp_root, rtt_root, rttide = None):
     if rttide == None:
         tgt_dict = {'mdk4':('keil', 'armcc'),
                     'mdk5':('keil', 'armcc'),
-                    'iar':('iar', 'iar'),
+                    'iar':('iar', 'iccarm'),
                     'vs':('msvc', 'cl'),
                     'vs2012':('msvc', 'cl'),
                     'cdk':('gcc', 'gcc'),