[bsp/swm320-lq100]add gcc/iar support and hwtimer driver

bsp/swm320-lq100/.config

@@ -101,34 +101,7 @@ CONFIG_FINSH_ARG_MAX=10
 #
 # Device virtual file system
 #
-CONFIG_RT_USING_DFS=y
-CONFIG_DFS_USING_WORKDIR=y
-CONFIG_DFS_FILESYSTEMS_MAX=8
-CONFIG_DFS_FILESYSTEM_TYPES_MAX=8
-CONFIG_DFS_FD_MAX=8
-# CONFIG_RT_USING_DFS_MNTTABLE is not set
-CONFIG_RT_USING_DFS_ELMFAT=y
-
-#
-# elm-chan's FatFs, Generic FAT Filesystem Module
-#
-CONFIG_RT_DFS_ELM_CODE_PAGE=437
-CONFIG_RT_DFS_ELM_WORD_ACCESS=y
-# CONFIG_RT_DFS_ELM_USE_LFN_0 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_1 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_2 is not set
-CONFIG_RT_DFS_ELM_USE_LFN_3=y
-CONFIG_RT_DFS_ELM_USE_LFN=3
-CONFIG_RT_DFS_ELM_MAX_LFN=255
-CONFIG_RT_DFS_ELM_DRIVES=2
-CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=4096
-# CONFIG_RT_DFS_ELM_USE_ERASE is not set
-CONFIG_RT_DFS_ELM_REENTRANT=y
-CONFIG_RT_USING_DFS_DEVFS=y
-# CONFIG_RT_USING_DFS_ROMFS is not set
-# CONFIG_RT_USING_DFS_RAMFS is not set
-# CONFIG_RT_USING_DFS_UFFS is not set
-# CONFIG_RT_USING_DFS_JFFS2 is not set
+# CONFIG_RT_USING_DFS is not set
 
 #
 # Device Drivers
@@ -136,31 +109,22 @@ CONFIG_RT_USING_DFS_DEVFS=y
 CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_PIPE_BUFSZ=512
 CONFIG_RT_USING_SERIAL=y
-CONFIG_RT_SERIAL_USING_DMA=y
+# CONFIG_RT_SERIAL_USING_DMA is not set
 # CONFIG_RT_USING_CAN is not set
 CONFIG_RT_USING_HWTIMER=y
 # CONFIG_RT_USING_CPUTIME is not set
-CONFIG_RT_USING_I2C=y
-CONFIG_RT_USING_I2C_BITOPS=y
+# CONFIG_RT_USING_I2C is not set
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_ADC is not set
 CONFIG_RT_USING_PWM=y
-CONFIG_RT_USING_MTD_NOR=y
+# CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_MTD is not set
 # CONFIG_RT_USING_PM is not set
-CONFIG_RT_USING_RTC=y
-# CONFIG_RT_USING_SOFT_RTC is not set
+# CONFIG_RT_USING_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
-CONFIG_RT_USING_SPI=y
-# CONFIG_RT_USING_QSPI is not set
-# CONFIG_RT_USING_SPI_MSD is not set
-# CONFIG_RT_USING_SFUD is not set
-# CONFIG_RT_USING_W25QXX is not set
-# CONFIG_RT_USING_GD is not set
-# CONFIG_RT_USING_ENC28J60 is not set
-# CONFIG_RT_USING_SPI_WIFI is not set
-CONFIG_RT_USING_WDT=y
+# CONFIG_RT_USING_SPI is not set
+# CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
 
 #
@@ -177,10 +141,8 @@ CONFIG_RT_USING_WDT=y
 #
 # POSIX layer and C standard library
 #
-CONFIG_RT_USING_LIBC=y
+# CONFIG_RT_USING_LIBC is not set
 # CONFIG_RT_USING_PTHREADS is not set
-# CONFIG_RT_USING_POSIX is not set
-# CONFIG_RT_USING_MODULE is not set
 
 #
 # Network
@@ -310,6 +272,7 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_LITTLEVGL2RTT is not set
 # CONFIG_PKG_USING_CMSIS is not set
 # CONFIG_PKG_USING_DFS_YAFFS is not set
+# CONFIG_PKG_USING_LITTLEFS is not set
 
 #
 # peripheral libraries and drivers
@@ -323,6 +286,8 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_U8G2 is not set
 # CONFIG_PKG_USING_BUTTON is not set
 # CONFIG_PKG_USING_MPU6XXX is not set
+# CONFIG_PKG_USING_PCF8574 is not set
+# CONFIG_PKG_USING_KENDRYTE_SDK is not set
 
 #
 # miscellaneous packages
@@ -338,10 +303,6 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_DSTR is not set
 # CONFIG_PKG_USING_TINYFRAME is not set
 
-#
-# sample package
-#
-
 #
 # samples: kernel and components samples
 #
@@ -349,10 +310,6 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
 # CONFIG_PKG_USING_NETWORK_SAMPLES is not set
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
-
-#
-# example package: hello
-#
 # CONFIG_PKG_USING_HELLO is not set
 CONFIG_SOC_SWM320VET7=y
 
@@ -364,6 +321,7 @@ CONFIG_SOC_SWM320VET7=y
 # On-chip Peripheral Drivers
 #
 CONFIG_BSP_USING_GPIO=y
+# CONFIG_BSP_USING_WDT is not set
 
 #
 # UART Drivers
@@ -385,7 +343,7 @@ CONFIG_BSP_USING_UART0=y
 # CONFIG_BSP_USING_I2C is not set
 
 #
-# PWM module
+# PWM Drivers
 #
 # CONFIG_BSP_USING_PWM0 is not set
 # CONFIG_BSP_USING_PWM1 is not set
@@ -393,14 +351,19 @@ CONFIG_BSP_USING_UART0=y
 # CONFIG_BSP_USING_PWM3 is not set
 
 #
-# RTC module
+# RTC Drivers
 #
+# CONFIG_BSP_USING_RTC is not set
 
 #
-# RTC SET
+# HWtimer Drivers
 #
-# CONFIG_BSP_USING_RTC is not set
-# CONFIG_BSP_USING_WDT is not set
+# CONFIG_BSP_USING_HWTIMER0 is not set
+# CONFIG_BSP_USING_HWTIMER1 is not set
+# CONFIG_BSP_USING_HWTIMER2 is not set
+# CONFIG_BSP_USING_HWTIMER3 is not set
+# CONFIG_BSP_USING_HWTIMER4 is not set
+# CONFIG_BSP_USING_HWTIMER5 is not set
 
 #
 # Onboard Peripheral Drivers

bsp/swm320-lq100/Libraries/SConscript

@@ -11,8 +11,7 @@ if rtconfig.CROSS_TOOL == 'gcc':
 elif rtconfig.CROSS_TOOL == 'keil':
     src += ['CMSIS/DeviceSupport/startup/arm/startup_SWM320.s']
 elif rtconfig.CROSS_TOOL == 'iar':
-    print('Not Support iar now\n')
-    exit(0)
+    src += ['CMSIS/DeviceSupport/startup/iar/startup_SWM320.s']
 group = DefineGroup('Libraries', src, depend = [''], CPPPATH = CPPPATH)
 
 Return('group')

bsp/swm320-lq100/README.md

@@ -31,7 +31,7 @@ SWXT-LQ100-32102 V1.1 开发板板载资源如下：
 - 常用接口：USB打印接口，TFT LCD接口，SD卡接口
 - 调试接口：SWD
 
-更多详细信息请咨询[华芯微特技术支持][5]
+更多详细信息请咨询[华芯微特技术支持][http://www.synwit.cn/support.html]
 
 ### 1.2  MCU 简介
 
@@ -53,25 +53,25 @@ SWM320VET7 是 SYNWIT 公司的一款面向工业控制、白色家电、电机
 
 > 工程默认配置使用 Jlink 仿真器下载程序，在通过 Jlink 连接开发板到 PC 的基础上，点击下载按钮即可下载程序到开发板
 
-推荐熟悉 RT_Thread 的用户使用[env工具][1]，可以在console下进入到 `bsp/swm320-lq100` 目录中，运行以下命令：
+推荐熟悉 RT_Thread 的用户使用[env工具](https://www.rt-thread.org/page/download.html)，可以在console下进入到 `bsp/swm320-lq100` 目录中，运行以下命令：
 
-`scons --target=mdk5`
+`scons`
 
-来编译这个板级支持包。如果编译正确无误，会产生rtthread.elf、rtthread.bin文件。其中 rtthread.bin 可以烧写到设备中进行运行。
+来编译这个板级支持包。如果编译正确无误，会产生rtthread.elf、rtthread.bin文件。其中 rtthread.bin 可以烧写到设备中运行。
 
 ## 3. 烧写及执行
 
 ### 3.1 硬件连接
 
-- 使用 USB B-Type 数据线连接开发板到 PC（注意：需要下载安装串口驱动支持CH340芯片，使用 MDK5 需要安装 SWM320 相关的 pack）。
+- 使用 USB B-Type 数据线连接开发板到 PC（注意：需要下载安装串口驱动支持 CH340 芯片，使用 MDK5 需要安装 SWM320 相关的 pack）。
 
   >  USB B-Type 数据线用于串口通讯，同时供电
 
 - 使用 Jlink 连接开发板到 PC （需要 Jlink 驱动）
 
-连接好串口，使用115200-N-8-1的配置方式连接到设备上。串口引脚是：`[PA2/PA3]`
+将串口 0 引脚为：`[PA2/PA3]`和 USB 转串口模块 P2 相连，串口配置方式为115200-N-8-1。
 
-当使用 [env工具][1] 正确编译产生出rtthread.bin映像文件后，可以使用 ISP 的方式来烧写到设备中。
+当使用 [env工具](https://www.rt-thread.org/page/download.html) 正确编译产生出rtthread.bin映像文件后，可以使用 ISP 的方式来烧写到设备中。
 
 **建议使用 keil 软件直接下载**。ISP 下载较复杂。
 
@@ -97,17 +97,15 @@ msh />
 | TFT-LCD           |   暂不支持    |   即将支持             |
 |**片上外设**     |**支持情况** |**备注**                  |
 | GPIO              |     支持     | PIN：1...100 |
-| UART              |     支持     | UART0 / UART1 / UART2 / UART3               |
+| UART              |     支持     | UART0 / UART1 / UART2 / UART3  |
 | SPI               |     支持     | SPI0 / SPI1        |
 | I2C               |   支持   |    I2C0 IO模拟   |
 | ADC               | 暂不支持 | 即将支持 |
-| PWM               |   支持   |  PWM0 / PWM1 /PWM2 /PWM3  其余两个后续补充                           |
+| PWM               |   支持   |  PWM0 / PWM1 /PWM2 /PWM3 其余两个后续补充|
 | IWG               |   支持   |                            |
-| TIMER             |   暂不支持   |                       |
+| TIMER             |   支持   |                       |
 | RTC               |   支持   |                             |
 | CAN               |   暂不支持   |                |
-|**板外外设**     |**支持情况**|**备注**     |
-| Arduino 扩展接口 |   暂不支持   |        |
 
 ## 5. 联系人信息
 
@@ -117,10 +115,10 @@ msh />
 
 ## 6. 参考
 
-- 芯片[SWM320系列 数据手册][4]
+- 芯片[SWM320系列数据手册][http://www.synwit.cn/Public/Uploads/2018-11-05/5bdff49b396d1.pdf]
 
-  [1]: https://www.rt-thread.org/page/download.html
-  [2]: http://www.synwit.cn/Public/Uploads/2018-11-05/5bdfea74d5712.pdf
-  [3]: http://www.synwit.cn/Public/Uploads/2018-11-01/5bdab8ad2e5b9.pdf
-  [4]: http://www.synwit.cn/Public/Uploads/2018-11-05/5bdff49b396d1.pdf
-  [5]: http://www.synwit.cn/support.html
+- [ SWM320_LQFP100原理图](http://www.synwit.cn/Public/Uploads/2018-11-01/5bdab8ad2e5b9.pdf)
+
+- [ SWM320_LQFP64原理图](http://www.synwit.cn/Public/Uploads/2018-11-05/5bdfea74d5712.pdf)
+
+- [ keil pack及其他资料](http://www.synwit.cn/support-1/2.html)

bsp/swm320-lq100/SConstruct

@@ -27,7 +27,7 @@ env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 if rtconfig.PLATFORM == 'iar':
 	env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
 	env.Replace(ARFLAGS = [''])
-	env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET --map project.map'])
+	env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET --map rtthread.map'])
 
 Export('RTT_ROOT')
 Export('rtconfig')

bsp/swm320-lq100/applications/main.c

@@ -10,18 +10,22 @@
 
 #include <rtthread.h>
 #include <rtdevice.h>
-
-#define LED4_PIN 100
+/* defined the LED pin: PA12 */
+#define LED_PIN    100
 
 int main(void)
 {
-    /* user app entry */
-    rt_pin_mode(LED4_PIN, PIN_MODE_OUTPUT);
-    while (1)
+    int count = 1;
+    /* set LED4 pin mode to output */
+    rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
+
+    while (count++)
     {
-        rt_pin_write(LED4_PIN, !rt_pin_read(LED4_PIN));
-        rt_thread_mdelay(1000);
+        rt_pin_write(LED_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED_PIN, PIN_LOW);
+        rt_thread_mdelay(500);
     }
 
-    return 0;
+    return RT_EOK;
 }

bsp/swm320-lq100/drivers/Kconfig

 menu "Hardware Drivers Config"
 
     menu "On-chip Peripheral Drivers"
-
         config BSP_USING_GPIO
             bool "Enable GPIO"
             select RT_USING_PIN
             default y
+            
+        config BSP_USING_WDT
+            bool "Enable Watch Dog"
+            select RT_USING_WDT
+            default n
 
         menu "UART Drivers"
-
             config BSP_USING_UART0
                 bool "Enable UART0 PA2/3(R/T)"
                 select RT_USING_SERIAL
@@ -28,11 +31,9 @@ menu "Hardware Drivers Config"
                 bool "Enable UART3 PC6/7(R/T)"
                 select RT_USING_SERIAL
                 default n 
-
         endmenu
 
         menu "SPI Drivers"
-
             config BSP_USING_SPI0
                 bool "Enable SPI0 BUS PC4/5/6(C/O/I)"
                 select RT_USING_SPI
@@ -44,12 +45,10 @@ menu "Hardware Drivers Config"
                 select RT_USING_SPI
                 select RT_USING_PIN
                 default n
-
         endmenu
 
         menu "I2C Drivers"
-
-            menuconfig BSP_USING_I2C
+            config BSP_USING_I2C
                 bool "Enable I2C BUS"
                 select RT_USING_I2C
                 select RT_USING_PIN
@@ -69,13 +68,10 @@ menu "Hardware Drivers Config"
                     config BSP_I2C_BUS_NAME
                         string "i2c bus name"
                         default "i2c0"
-
                 endif
-
         endmenu
 
-        menu "PWM module"
-
+        menu "PWM Drivers"
             config BSP_USING_PWM0
                 bool "Using PWM0 PA4/10(A/B)"
                 select RT_USING_PWM
@@ -95,29 +91,49 @@ menu "Hardware Drivers Config"
                 bool "Using PWM3 PP1/3(A/B)"
                 select RT_USING_PWM
                 default n  
-
         endmenu
 
-        menu "RTC module"
-            comment "RTC SET"
-
+        menu "RTC Drivers"
             config BSP_USING_RTC
                 bool "Using RTC"
                 select RT_USING_RTC
                 default n 
-
         endmenu
 
-        config BSP_USING_WDT
+        menu "HWtimer Drivers"
+            config BSP_USING_HWTIMER0
+                bool "Using timer0"
+                select RT_USING_HWTIMER 
+                default n
 
-            bool "Enable Watch Dog"
-            select RT_USING_WDT
-            default n
+            config BSP_USING_HWTIMER1
+                bool "Using timer1"
+                select RT_USING_HWTIMER 
+                default n
+
+            config BSP_USING_HWTIMER2
+                bool "Using timer2"
+                select RT_USING_HWTIMER 
+                default n
 
+            config BSP_USING_HWTIMER3
+                bool "Using timer3"
+                select RT_USING_HWTIMER 
+                default n
+
+            config BSP_USING_HWTIMER4
+                bool "Using timer4"
+                select RT_USING_HWTIMER 
+                default n
+
+            config BSP_USING_HWTIMER5
+                bool "Using timer5"
+                select RT_USING_HWTIMER 
+                default n
+        endmenu
     endmenu
     
     menu "Onboard Peripheral Drivers"
-
         menuconfig BSP_USING_EXT_SRAM
             bool "Enable external sram"
             select RT_USING_MEMHEAP
@@ -144,7 +160,6 @@ menu "Hardware Drivers Config"
                     hex "mtd nor flsah sector"
                     default 0x10000
             endif
-
     endmenu
     
     menu "Offboard Peripheral Drivers"

bsp/swm320-lq100/drivers/SConscript

@@ -45,6 +45,10 @@ if GetDepend(['BSP_USING_RTC']):
 if GetDepend(['BSP_USING_WDT']):
     src += ['drv_iwg.c']
 
+# add hwtimer driver code
+if  GetDepend('BSP_USING_HWTIMER0') or GetDepend('BSP_USING_HWTIMER1') or  GetDepend('BSP_USING_HWTIMER2') or GetDepend('BSP_USING_HWTIMER3') or GetDepend('BSP_USING_HWTIMER4') or GetDepend('BSP_USING_HWTIMER5'):
+    src += ['drv_hwtimer.c']
+
 CPPPATH = [cwd]
 
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)

bsp/swm320-lq100/drivers/board.h

@@ -23,7 +23,7 @@
     #define EXT_SRAM_END (EXT_SRAM_BASE + EXT_SRAM_SIZE)
 #endif
 
-#define SRAM_END (SRAM_BASE + SRAM_SIZE * 1024UL)
+#define SRAM_END (SRAM_BASE + SRAM_SIZE)
 #ifdef __CC_ARM
     extern int Image$$RW_IRAM1$$ZI$$Limit;
     #define HEAP_BEGIN ((void *)&Image$$RW_IRAM1$$ZI$$Limit)

bsp/swm320-lq100/drivers/drv_gpio.c

@@ -283,7 +283,6 @@ static rt_err_t swm320_pin_irq_enable(struct rt_device *device,
     }
     if (enabled == PIN_IRQ_ENABLE)
     {
-
         switch (index->irq_mode)
         {
         case PIN_IRQ_MODE_RISING:

bsp/swm320-lq100/drivers/drv_hwtimer.c

+/*
+ * Copyright (c) 2006-2018, Synwit Technology Co.,Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-12-10    Zohar_Lee    first version
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <board.h>
+
+#define SWM320_HWTIMER_DEVICE(hwtimer) (struct swm320_hwtimer_dev *)(hwtimer)
+
+struct swm320_hwtimer_dev
+{
+    rt_hwtimer_t parent;
+    TIMR_TypeDef *hwtimer_periph;
+};
+
+#ifdef BSP_USING_HWTIMER0
+static struct swm320_hwtimer_dev hwtimer0;
+
+void TIMR0_Handler(void)
+{
+    TIMR_INTClr(TIMR0);
+    rt_device_hwtimer_isr(&hwtimer0.parent);
+    
+    if (HWTIMER_MODE_ONESHOT == hwtimer0.parent.mode)
+    {
+        TIMR_Stop(hwtimer0.hwtimer_periph);
+    }  
+}
+#endif //BSP_USING_HWTIMER0
+
+#ifdef BSP_USING_HWTIMER1
+static struct swm320_hwtimer_dev hwtimer1;
+
+void TIMR1_Handler(void)
+{
+    TIMR_INTClr(TIMR1);
+    rt_device_hwtimer_isr(&hwtimer1.parent);
+
+    if (HWTIMER_MODE_ONESHOT == hwtimer1.parent.mode)
+    {
+        TIMR_Stop(hwtimer1.hwtimer_periph);
+    } 
+}
+#endif //BSP_USING_HWTIMER1
+
+#ifdef BSP_USING_HWTIMER2
+static struct swm320_hwtimer_dev hwtimer2;
+
+void TIMR2_Handler(void)
+{
+    TIMR_INTClr(TIMR2);
+    rt_device_hwtimer_isr(&hwtimer2.parent);
+    
+    if (HWTIMER_MODE_ONESHOT == hwtimer2.parent.mode)
+    {
+        TIMR_Stop(hwtimer2.hwtimer_periph);
+    } 
+}
+#endif //BSP_USING_HWTIMER2
+
+#ifdef BSP_USING_HWTIMER3
+static struct swm320_hwtimer_dev hwtimer3;
+
+void TIMR3_Handler(void)
+{
+    TIMR_INTClr(TIMR3);
+    rt_device_hwtimer_isr(&hwtimer3.parent);
+    
+    if (HWTIMER_MODE_ONESHOT == hwtimer3.parent.mode)
+    {
+        TIMR_Stop(hwtimer3.hwtimer_periph);
+    }
+}
+#endif //BSP_USING_HWTIMER3
+
+#ifdef BSP_USING_HWTIMER4
+static struct swm320_hwtimer_dev hwtimer4;
+
+void TIMR4_Handler(void)
+{
+    TIMR_INTClr(TIMR4);
+    rt_device_hwtimer_isr(&hwtimer4.parent);
+    
+    if (HWTIMER_MODE_ONESHOT == hwtimer4.parent.mode)
+    {
+        TIMR_Stop(hwtimer4.hwtimer_periph);
+    }
+}
+#endif //BSP_USING_HWTIMER4
+
+#ifdef BSP_USING_HWTIMER5
+static struct swm320_hwtimer_dev hwtimer5;
+
+void TIMR5_Handler(void)
+{
+    TIMR_INTClr(TIMR5);
+    rt_device_hwtimer_isr(&hwtimer5.parent);
+    
+    if (HWTIMER_MODE_ONESHOT == hwtimer5.parent.mode)
+    {
+        TIMR_Stop(hwtimer5.hwtimer_periph);
+    }
+}
+#endif //BSP_USING_HWTIMER5
+
+static struct rt_hwtimer_info swm320_hwtimer_info =
+{
+    120000000,  /*时钟源为系统时钟*/
+    120000000, 
+    4294967295, /*32位计数器，2的32次方*/
+    HWTIMER_CNTMODE_DW
+};
+
+static void swm320_hwtimer_init(rt_hwtimer_t *timer, rt_uint32_t state)
+{
+    struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    if (1 == state)
+    {
+        TIMR_Init(hwtimer->hwtimer_periph,
+                  TIMR_MODE_TIMER,
+                  SystemCoreClock,
+                  1);
+    }
+    hwtimer->parent.freq = SystemCoreClock;
+    swm320_hwtimer_info.maxfreq = SystemCoreClock;
+    swm320_hwtimer_info.minfreq = SystemCoreClock;
+}
+
+static rt_err_t swm320_hwtimer_start(rt_hwtimer_t *timer,
+                                     rt_uint32_t cnt,
+                                     rt_hwtimer_mode_t mode)
+{
+    struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    TIMR_SetPeriod(hwtimer->hwtimer_periph, cnt);
+    TIMR_Start(hwtimer->hwtimer_periph);
+
+    return RT_EOK;
+}
+
+static void swm320_hwtimer_stop(rt_hwtimer_t *timer)
+{
+    struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    TIMR_Stop(hwtimer->hwtimer_periph);
+}
+
+static rt_uint32_t swm320_hwtimer_count_get(rt_hwtimer_t *timer)
+{
+    struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
+    uint32_t hwtimer_count = 0;
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    hwtimer_count = TIMR_GetCurValue(hwtimer->hwtimer_periph);
+
+    return hwtimer_count;
+}
+
+static rt_err_t swm320_hwtimer_control(rt_hwtimer_t *timer,
+                                       rt_uint32_t cmd,
+                                       void *args)
+{
+    rt_err_t ret = RT_EOK;
+    rt_uint32_t freq = 0;
+    struct swm320_hwtimer_dev *hwtimer = SWM320_HWTIMER_DEVICE(timer->parent.user_data);
+
+    RT_ASSERT(hwtimer != RT_NULL);
+
+    switch (cmd)
+    {
+    case HWTIMER_CTRL_FREQ_SET:
+        freq = *(rt_uint32_t*)args;
+        if (freq != SystemCoreClock)
+        {
+            ret = RT_EINVAL;
+        }
+        break;
+    case HWTIMER_CTRL_STOP:
+        TIMR_Stop(hwtimer->hwtimer_periph);
+        break;
+    default:
+        ret = RT_EINVAL;
+        break;
+    }
+
+    return ret;
+}
+
+static struct rt_hwtimer_ops swm320_hwtimer_ops =
+{
+    swm320_hwtimer_init,
+    swm320_hwtimer_start,
+    swm320_hwtimer_stop,
+    swm320_hwtimer_count_get,
+    swm320_hwtimer_control
+};
+
+int rt_hw_hwtimer_init(void)
+{
+    rt_err_t ret = RT_EOK;
+
+#ifdef BSP_USING_HWTIMER0
+    hwtimer0.hwtimer_periph = TIMR0;
+    hwtimer0.parent.info = &swm320_hwtimer_info;
+    hwtimer0.parent.ops = &swm320_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer0.parent, "timer0", &hwtimer0);
+#endif //BSP_USING_HWTIMER0
+
+#ifdef BSP_USING_HWTIMER1
+    hwtimer1.hwtimer_periph = TIMR1;
+    hwtimer1.parent.info = &swm320_hwtimer_info;
+    hwtimer1.parent.ops = &swm320_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer1.parent, "timer1", &hwtimer1);
+#endif //BSP_USING_HWTIMER1
+
+#ifdef BSP_USING_HWTIMER2
+    hwtimer2.hwtimer_periph = TIMR2;
+    hwtimer2.parent.info = &swm320_hwtimer_info;
+    hwtimer2.parent.ops = &swm320_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer2.parent, "timer2", &hwtimer2);
+#endif //BSP_USING_HWTIMER2
+
+#ifdef BSP_USING_HWTIMER3
+    hwtimer3.hwtimer_periph = TIMR3;
+    hwtimer3.parent.info = &swm320_hwtimer_info;
+    hwtimer3.parent.ops = &swm320_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer3.parent, "timer3", &hwtimer3);
+#endif //BSP_USING_HWTIMER3
+
+#ifdef BSP_USING_HWTIMER4
+    hwtimer4.hwtimer_periph = TIMR4;
+    hwtimer4.parent.info = &swm320_hwtimer_info;
+    hwtimer4.parent.ops = &swm320_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer4.parent, "timer4", &hwtimer4);
+#endif //BSP_USING_HWTIMER4
+
+#ifdef BSP_USING_HWTIMER5
+    hwtimer5.hwtimer_periph = TIMR5;
+    hwtimer5.parent.info = &swm320_hwtimer_info;
+    hwtimer5.parent.ops = &swm320_hwtimer_ops;
+    ret = rt_device_hwtimer_register(&hwtimer5.parent, "timer5", &hwtimer5);
+#endif //BSP_USING_HWTIMER5
+
+    return ret;
+}
+INIT_BOARD_EXPORT(rt_hw_hwtimer_init);

bsp/swm320-lq100/drivers/drv_hwtimer.h

+/*
+ * Copyright (c) 2006-2018, Synwit Technology Co.,Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-12-10     Zohar_Lee    first version
+ */
+
+#ifndef DRV_HWTIMER_H__
+#define DRV_HWTIMER_H__
+
+int rt_hw_hwtimer_init(void);
+
+#endif

bsp/swm320-lq100/drivers/drv_sram.c

@@ -28,8 +28,7 @@ int rt_hw_sram_init(void)
 
     SYS->CLKEN |= (1 << SYS_CLKEN_SDRAM_Pos);
 
-    while (SDRAMC->REFDONE == 0)
-        ;
+    while (SDRAMC->REFDONE == 0);
     SDRAMC->REFRESH &= ~(1 << SDRAMC_REFRESH_EN_Pos);
 
     for (i = 0; i < 1000; i++)

bsp/swm320-lq100/project.eww

+<?xml version="1.0" encoding="iso-8859-1"?>
+
+<workspace>
+  <project>
+    <path>$WS_DIR$\project.ewp</path>
+  </project>
+  <batchBuild/>
+</workspace>
+
+

bsp/swm320-lq100/project.uvprojx

@@ -10,13 +10,13 @@
       <TargetName>rt-thread</TargetName>
       <ToolsetNumber>0x4</ToolsetNumber>
       <ToolsetName>ARM-ADS</ToolsetName>
-      <pCCUsed>5060750::V5.06 update 6 (build 750)::ARMCC</pCCUsed>
+      <pCCUsed>5060528::V5.06 update 5 (build 528)::ARMCC</pCCUsed>
       <uAC6>0</uAC6>
       <TargetOption>
         <TargetCommonOption>
           <Device>SWM320xE</Device>
           <Vendor>Synwit</Vendor>
-          <PackID>Synwit.SWM32_DFP.1.6.8</PackID>
+          <PackID>Synwit.SWM32_DFP.1.6.2</PackID>
           <PackURL>http://www.synwit.com/pack</PackURL>
           <Cpu>IRAM(0x20000000,0x20000) IROM(0x00000000,0x80000) CPUTYPE("Cortex-M4") CLOCK(12000000) ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
@@ -48,13 +48,13 @@
             <NotGenerated>0</NotGenerated>
             <InvalidFlash>1</InvalidFlash>
           </TargetStatus>
-          <OutputDirectory>.\build\</OutputDirectory>
+          <OutputDirectory>.\build\keil\Obj\</OutputDirectory>
           <OutputName>rtthread</OutputName>
           <CreateExecutable>1</CreateExecutable>
           <CreateLib>0</CreateLib>
           <CreateHexFile>0</CreateHexFile>
           <DebugInformation>1</DebugInformation>
-          <BrowseInformation>1</BrowseInformation>
+          <BrowseInformation>0</BrowseInformation>
           <ListingPath>.\build\</ListingPath>
           <HexFormatSelection>1</HexFormatSelection>
           <Merge32K>0</Merge32K>
@@ -82,7 +82,7 @@
           <AfterMake>
             <RunUserProg1>1</RunUserProg1>
             <RunUserProg2>0</RunUserProg2>
-            <UserProg1Name>fromelf --bin !L --output @H.bin</UserProg1Name>
+            <UserProg1Name>fromelf --bin !L --output rtthread.bin</UserProg1Name>
             <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
@@ -324,7 +324,6 @@
             <uThumb>0</uThumb>
             <uSurpInc>0</uSurpInc>
             <uC99>1</uC99>
-            <uGnu>0</uGnu>
             <useXO>0</useXO>
             <v6Lang>0</v6Lang>
             <v6LangP>0</v6LangP>
@@ -335,9 +334,9 @@
             <v6Rtti>0</v6Rtti>
             <VariousControls>
               <MiscControls></MiscControls>
-              <Define>RT_USING_ARM_LIBC</Define>
+              <Define></Define>
               <Undefine></Undefine>
-              <IncludePath>applications;.;drivers;Libraries\CMSIS\CoreSupport;Libraries\CMSIS\DeviceSupport;Libraries\SWM320_StdPeriph_Driver;..\..\include;..\..\libcpu\arm\cortex-m4;..\..\libcpu\arm\common;..\..\components\dfs\include;..\..\components\dfs\filesystems\devfs;..\..\components\dfs\filesystems\elmfat;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\spi;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh;..\..\components\libc\compilers\armlibc;..\..\components\libc\compilers\common</IncludePath>
+              <IncludePath>applications;.;drivers;Libraries\CMSIS\CoreSupport;Libraries\CMSIS\DeviceSupport;Libraries\SWM320_StdPeriph_Driver;..\..\include;..\..\libcpu\arm\cortex-m4;..\..\libcpu\arm\common;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -381,6 +380,11 @@
         <Group>
           <GroupName>Applications</GroupName>
           <Files>
+            <File>
+              <FileName>hwtimer_sample.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>applications\hwtimer_sample.c</FilePath>
+            </File>
             <File>
               <FileName>main.c</FileName>
               <FileType>1</FileType>
@@ -633,143 +637,14 @@
             </File>
           </Files>
         </Group>
-        <Group>
-          <GroupName>Filesystem</GroupName>
-          <Files>
-            <File>
-              <FileName>dfs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\src\dfs.c</FilePath>
-            </File>
-            <File>
-              <FileName>dfs_file.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\src\dfs_file.c</FilePath>
-            </File>
-            <File>
-              <FileName>dfs_fs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\src\dfs_fs.c</FilePath>
-            </File>
-            <File>
-              <FileName>dfs_posix.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\src\dfs_posix.c</FilePath>
-            </File>
-            <File>
-              <FileName>devfs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\filesystems\devfs\devfs.c</FilePath>
-            </File>
-            <File>
-              <FileName>dfs_elm.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\filesystems\elmfat\dfs_elm.c</FilePath>
-            </File>
-            <File>
-              <FileName>ff.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\filesystems\elmfat\ff.c</FilePath>
-            </File>
-            <File>
-              <FileName>ccsbcs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\dfs\filesystems\elmfat\option\ccsbcs.c</FilePath>
-            </File>
-          </Files>
-        </Group>
         <Group>
           <GroupName>DeviceDrivers</GroupName>
-          <GroupOption>
-            <CommonProperty>
-              <UseCPPCompiler>0</UseCPPCompiler>
-              <RVCTCodeConst>0</RVCTCodeConst>
-              <RVCTZI>0</RVCTZI>
-              <RVCTOtherData>0</RVCTOtherData>
-              <ModuleSelection>0</ModuleSelection>
-              <IncludeInBuild>1</IncludeInBuild>
-              <AlwaysBuild>0</AlwaysBuild>
-              <GenerateAssemblyFile>0</GenerateAssemblyFile>
-              <AssembleAssemblyFile>0</AssembleAssemblyFile>
-              <PublicsOnly>0</PublicsOnly>
-              <StopOnExitCode>3</StopOnExitCode>
-              <CustomArgument></CustomArgument>
-              <IncludeLibraryModules></IncludeLibraryModules>
-              <ComprImg>0</ComprImg>
-            </CommonProperty>
-            <GroupArmAds>
-              <Cads>
-                <interw>2</interw>
-                <Optim>0</Optim>
-                <oTime>2</oTime>
-                <SplitLS>2</SplitLS>
-                <OneElfS>2</OneElfS>
-                <Strict>2</Strict>
-                <EnumInt>2</EnumInt>
-                <PlainCh>2</PlainCh>
-                <Ropi>2</Ropi>
-                <Rwpi>2</Rwpi>
-                <wLevel>0</wLevel>
-                <uThumb>2</uThumb>
-                <uSurpInc>2</uSurpInc>
-                <uC99>2</uC99>
-                <uGnu>2</uGnu>
-                <useXO>2</useXO>
-                <v6Lang>0</v6Lang>
-                <v6LangP>0</v6LangP>
-                <vShortEn>2</vShortEn>
-                <vShortWch>2</vShortWch>
-                <v6Lto>2</v6Lto>
-                <v6WtE>2</v6WtE>
-                <v6Rtti>2</v6Rtti>
-                <VariousControls>
-                  <MiscControls></MiscControls>
-                  <Define> </Define>
-                  <Undefine> </Undefine>
-                  <IncludePath></IncludePath>
-                </VariousControls>
-              </Cads>
-              <Aads>
-                <interw>2</interw>
-                <Ropi>2</Ropi>
-                <Rwpi>2</Rwpi>
-                <thumb>2</thumb>
-                <SplitLS>2</SplitLS>
-                <SwStkChk>2</SwStkChk>
-                <NoWarn>2</NoWarn>
-                <uSurpInc>2</uSurpInc>
-                <useXO>2</useXO>
-                <uClangAs>2</uClangAs>
-                <VariousControls>
-                  <MiscControls></MiscControls>
-                  <Define></Define>
-                  <Undefine></Undefine>
-                  <IncludePath></IncludePath>
-                </VariousControls>
-              </Aads>
-            </GroupArmAds>
-          </GroupOption>
           <Files>
             <File>
               <FileName>hwtimer.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\components\drivers\hwtimer\hwtimer.c</FilePath>
             </File>
-            <File>
-              <FileName>i2c_core.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\i2c\i2c_core.c</FilePath>
-            </File>
-            <File>
-              <FileName>i2c_dev.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\i2c\i2c_dev.c</FilePath>
-            </File>
-            <File>
-              <FileName>i2c-bit-ops.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\i2c\i2c-bit-ops.c</FilePath>
-            </File>
             <File>
               <FileName>pin.c</FileName>
               <FileType>1</FileType>
@@ -780,31 +655,11 @@
               <FileType>1</FileType>
               <FilePath>..\..\components\drivers\misc\rt_drv_pwm.c</FilePath>
             </File>
-            <File>
-              <FileName>mtd_nor.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\mtd\mtd_nor.c</FilePath>
-            </File>
-            <File>
-              <FileName>rtc.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\rtc\rtc.c</FilePath>
-            </File>
             <File>
               <FileName>serial.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\components\drivers\serial\serial.c</FilePath>
             </File>
-            <File>
-              <FileName>spi_core.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\spi\spi_core.c</FilePath>
-            </File>
-            <File>
-              <FileName>spi_dev.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\spi\spi_dev.c</FilePath>
-            </File>
             <File>
               <FileName>completion.c</FileName>
               <FileType>1</FileType>
@@ -840,11 +695,6 @@
               <FileType>1</FileType>
               <FilePath>..\..\components\drivers\src\workqueue.c</FilePath>
             </File>
-            <File>
-              <FileName>watchdog.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\drivers\watchdog\watchdog.c</FilePath>
-            </File>
           </Files>
         </Group>
         <Group>
@@ -932,41 +782,6 @@
             </File>
           </Files>
         </Group>
-        <Group>
-          <GroupName>libc</GroupName>
-          <Files>
-            <File>
-              <FileName>libc.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\libc\compilers\armlibc\libc.c</FilePath>
-            </File>
-            <File>
-              <FileName>mem_std.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\libc\compilers\armlibc\mem_std.c</FilePath>
-            </File>
-            <File>
-              <FileName>stdio.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\libc\compilers\armlibc\stdio.c</FilePath>
-            </File>
-            <File>
-              <FileName>stubs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\libc\compilers\armlibc\stubs.c</FilePath>
-            </File>
-            <File>
-              <FileName>time.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\libc\compilers\armlibc\time.c</FilePath>
-            </File>
-            <File>
-              <FileName>gmtime_r.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\components\libc\compilers\common\gmtime_r.c</FilePath>
-            </File>
-          </Files>
-        </Group>
       </Groups>
     </Target>
   </Targets>

bsp/swm320-lq100/rtconfig.h

@@ -68,40 +68,15 @@
 
 /* Device virtual file system */
 
-#define RT_USING_DFS
-#define DFS_USING_WORKDIR
-#define DFS_FILESYSTEMS_MAX 8
-#define DFS_FILESYSTEM_TYPES_MAX 8
-#define DFS_FD_MAX 8
-#define RT_USING_DFS_ELMFAT
-
-/* elm-chan's FatFs, Generic FAT Filesystem Module */
-
-#define RT_DFS_ELM_CODE_PAGE 437
-#define RT_DFS_ELM_WORD_ACCESS
-#define RT_DFS_ELM_USE_LFN_3
-#define RT_DFS_ELM_USE_LFN 3
-#define RT_DFS_ELM_MAX_LFN 255
-#define RT_DFS_ELM_DRIVES 2
-#define RT_DFS_ELM_MAX_SECTOR_SIZE 4096
-#define RT_DFS_ELM_REENTRANT
-#define RT_USING_DFS_DEVFS
 
 /* Device Drivers */
 
 #define RT_USING_DEVICE_IPC
 #define RT_PIPE_BUFSZ 512
 #define RT_USING_SERIAL
-#define RT_SERIAL_USING_DMA
 #define RT_USING_HWTIMER
-#define RT_USING_I2C
-#define RT_USING_I2C_BITOPS
 #define RT_USING_PIN
 #define RT_USING_PWM
-#define RT_USING_MTD_NOR
-#define RT_USING_RTC
-#define RT_USING_SPI
-#define RT_USING_WDT
 
 /* Using WiFi */
 
@@ -111,7 +86,6 @@
 
 /* POSIX layer and C standard library */
 
-#define RT_USING_LIBC
 
 /* Network */
 
@@ -170,13 +144,8 @@
 /* miscellaneous packages */
 
 
-/* sample package */
-
 /* samples: kernel and components samples */
 
-
-/* example package: hello */
-
 #define SOC_SWM320VET7
 
 /* Hardware Drivers Config */
@@ -195,12 +164,13 @@
 /* I2C Drivers */
 
 
-/* PWM module */
+/* PWM Drivers */
+
 
+/* RTC Drivers */
 
-/* RTC module */
 
-/* RTC SET */
+/* HWtimer Drivers */
 
 
 /* Onboard Peripheral Drivers */

bsp/swm320-lq100/rtconfig.py

@@ -22,8 +22,8 @@ elif CROSS_TOOL == 'keil':
     PLATFORM = 'armcc'
     EXEC_PATH = 'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
-    print("Not support gcc now\n")
-    exit(0)
+    PLATFORM = 'iar'
+    EXEC_PATH = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.2'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -34,6 +34,7 @@ BUILD = 'debug'
 if PLATFORM == 'gcc':
     PREFIX = 'arm-none-eabi-'
     CC = PREFIX + 'gcc'
+    CXX = PREFIX + 'g++'
     AS = PREFIX + 'gcc'
     AR = PREFIX + 'ar'
     LINK = PREFIX + 'gcc'
@@ -46,7 +47,7 @@ if PLATFORM == 'gcc':
         FLOAT_ABI + ' -ffunction-sections -fdata-sections'
     CFLAGS = DEVICE + ' -std=c99'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
-    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T link.lds'
+    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T drivers/linker_scripts/link.lds'
 
     CPATH = ''
     LPATH = ''
@@ -69,7 +70,7 @@ elif PLATFORM == 'armcc':
     DEVICE = ' --cpu ' + CPU + '.fp '
     CFLAGS = '-c ' + DEVICE + ' --apcs=interwork --c99'
     AFLAGS = DEVICE + ' --apcs=interwork '
-    LFLAGS = DEVICE + ' --scatter "link.sct" --info sizes --info totals --info unused --info veneers --list rtthread.map --strict'
+    LFLAGS = DEVICE + ' --scatter "drivers/linker_scripts/link.sct" --info sizes --info totals --info unused --info veneers --list rtthread.map --strict'
 
     CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCC/INC'
     LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/ARMCC/LIB'
@@ -88,5 +89,49 @@ elif PLATFORM == 'armcc':
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
-    print('Not Support iar now\n')
-    exit(0)
+    # toolchains
+    CC = 'iccarm'
+    AS = 'iasmarm'
+    AR = 'iarchive'
+    LINK = 'ilinkarm'
+    TARGET_EXT = 'out'
+
+    DEVICE = '-Dewarm' # + ' -D' + PART_TYPE
+
+    CFLAGS = DEVICE
+    CFLAGS += ' --diag_suppress Pa050'
+    CFLAGS += ' --no_cse' 
+    CFLAGS += ' --no_unroll' 
+    CFLAGS += ' --no_inline' 
+    CFLAGS += ' --no_code_motion' 
+    CFLAGS += ' --no_tbaa' 
+    CFLAGS += ' --no_clustering' 
+    CFLAGS += ' --no_scheduling' 
+
+    CFLAGS += ' --endian=little' 
+    CFLAGS += ' --cpu=Cortex-M4' 
+    CFLAGS += ' -e' 
+    CFLAGS += ' --fpu=VFPv4_sp'
+    CFLAGS += ' --dlib_config "' + EXEC_PATH + '/arm/INC/c/DLib_Config_Normal.h"'    
+    CFLAGS += ' --silent'
+        
+    AFLAGS = DEVICE
+    AFLAGS += ' -s+' 
+    AFLAGS += ' -w+' 
+    AFLAGS += ' -r' 
+    AFLAGS += ' --cpu Cortex-M4' 
+    AFLAGS += ' --fpu VFPv4_sp' 
+    AFLAGS += ' -S'
+
+    if BUILD == 'debug':
+        CFLAGS += ' --debug'
+        CFLAGS += ' -On'
+    else:
+        CFLAGS += ' -Oh'
+
+    LFLAGS = ' --config "drivers/linker_scripts/link.icf"'
+    LFLAGS += ' --entry __iar_program_start'    
+    #LFLAGS += ' --silent'
+
+    EXEC_PATH = EXEC_PATH + '/arm/bin/'
+    POST_ACTION = ''

bsp/swm320-lq100/template.eww

+<?xml version="1.0" encoding="iso-8859-1"?>
+
+<workspace>
+  <project>
+    <path>$WS_DIR$\template.ewp</path>
+  </project>
+  <batchBuild/>
+</workspace>
+
+

bsp/swm320-lq100/template.uvoptx

@@ -125,7 +125,7 @@
         <SetRegEntry>
           <Number>0</Number>
           <Key>JL2CM3</Key>
-          <Name>-U801000899 -O78 -S2 -ZTIFSpeedSel5000 -A0 -C0 -JU1 -JI127.0.0.1 -JP0 -RST0 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO18 -TC10000000 -TP21 -TDS8002 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -TB1 -TFE0 -FO15 -FD20000000 -FC4000 -FN1 -FF0SWM320xE -FS00 -FL080000</Name>
+          <Name>-U30000299 -O78 -S2 -ZTIFSpeedSel5000 -A0 -C0 -JU1 -JI127.0.0.1 -JP0 -RST0 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO18 -TC10000000 -TP21 -TDS8002 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -TB1 -TFE0 -FO15 -FD20000000 -FC4000 -FN1 -FF0SWM320xE -FS00 -FL080000 -FP0($$Device:SWM320xE$Flash\SWM320xE.FLM)</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
       <Breakpoint/>