diff --git a/bsp/stm32/libraries/templates/stm32f10x/applications/main.c b/bsp/stm32/libraries/templates/stm32f10x/applications/main.c
index 87a07a6246bf8c8b6e74ebb76e2c274dfd4abbc5..7c40c1518d6acdcb55b460e866cfea6bc408c3f2 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/applications/main.c
+++ b/bsp/stm32/libraries/templates/stm32f10x/applications/main.c
@@ -11,14 +11,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PB1 */
+#define LED0_PIN    GET_PIN(B, 1)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        // rt_pin_write(LED0_PIN, !rt_pin_read(LED0_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/libraries/templates/stm32f10x/board/board.c b/bsp/stm32/libraries/templates/stm32f10x/board/board.c
index ac55193461ad8cf98bb8d3c7f1dc19c6cf5a4a29..36c127c5b73902711cfbff3737281e5a8eaed29c 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/board/board.c
+++ b/bsp/stm32/libraries/templates/stm32f10x/board/board.c
@@ -51,12 +51,3 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
 }
-
-#ifdef RT_USING_PIN
-// int board_pin_init(void)
-// {
-//     rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-//     return 0;
-// }
-// INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/libraries/templates/stm32f10x/board/board.h b/bsp/stm32/libraries/templates/stm32f10x/board/board.h
index cc2079f0e77124758dc297319044ae14925cd0ca..1c00e71dca539607c0b0473289e094fe8d9eaf0c 100644
--- a/bsp/stm32/libraries/templates/stm32f10x/board/board.h
+++ b/bsp/stm32/libraries/templates/stm32f10x/board/board.h
@@ -15,12 +15,6 @@
 #include <stm32f1xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-/* Board Pin definitions */
-// #define LED0_PIN                       GET_PIN(C,  0)
-#endif
-
 /* Internal SRAM memory size[Kbytes] <8-64>, Default: 64*/
 #define STM32_SRAM_SIZE      20
 #define STM32_SRAM_END       (0x20000000 + STM32_SRAM_SIZE * 1024)
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/applications/main.c b/bsp/stm32/libraries/templates/stm32f4xx/applications/main.c
index 87a07a6246bf8c8b6e74ebb76e2c274dfd4abbc5..7c40c1518d6acdcb55b460e866cfea6bc408c3f2 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/applications/main.c
+++ b/bsp/stm32/libraries/templates/stm32f4xx/applications/main.c
@@ -11,14 +11,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PB1 */
+#define LED0_PIN    GET_PIN(B, 1)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        // rt_pin_write(LED0_PIN, !rt_pin_read(LED0_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/board/board.c b/bsp/stm32/libraries/templates/stm32f4xx/board/board.c
index 928bbdbbde662a17a0de1dbddd2a4af8cf788d7d..b3cf3b07546d57cef45a9bc5f6da9763ddf6057d 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/board/board.c
+++ b/bsp/stm32/libraries/templates/stm32f4xx/board/board.c
@@ -56,12 +56,3 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
 }
-
-#ifdef RT_USING_PIN
-// int board_pin_init(void)
-// {
-//     rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-//     return 0;
-// }
-// INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/libraries/templates/stm32f4xx/board/board.h b/bsp/stm32/libraries/templates/stm32f4xx/board/board.h
index 8cb36267f73ef39475b35fe639c34d7498e5bf25..f7944b4ed70df4dcf27ccdcc6d0457d41f8583f8 100644
--- a/bsp/stm32/libraries/templates/stm32f4xx/board/board.h
+++ b/bsp/stm32/libraries/templates/stm32f4xx/board/board.h
@@ -15,12 +15,6 @@
 #include <stm32f4xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-/* Board Pin definitions */
-// #define LED0_PIN                       GET_PIN(C,  0)
-#endif
-
 #define STM32_SRAM_SIZE           128
 #define STM32_SRAM_END            (0x20000000 + STM32_SRAM_SIZE * 1024)
 
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/applications/main.c b/bsp/stm32/libraries/templates/stm32l4xx/applications/main.c
index 87a07a6246bf8c8b6e74ebb76e2c274dfd4abbc5..7c40c1518d6acdcb55b460e866cfea6bc408c3f2 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/applications/main.c
+++ b/bsp/stm32/libraries/templates/stm32l4xx/applications/main.c
@@ -11,14 +11,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PB1 */
+#define LED0_PIN    GET_PIN(B, 1)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        // rt_pin_write(LED0_PIN, !rt_pin_read(LED0_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/board/board.c b/bsp/stm32/libraries/templates/stm32l4xx/board/board.c
index d0e25eaf04cd4af3d55cbebeea68d753e30ac0cb..5f8113f4d7699d355ca6e2729930ef87e7c41ac3 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/board/board.c
+++ b/bsp/stm32/libraries/templates/stm32l4xx/board/board.c
@@ -66,12 +66,3 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
 }
-
-#ifdef RT_USING_PIN
-// int board_pin_init(void)
-// {
-//     rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-//     return 0;
-// }
-// INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/libraries/templates/stm32l4xx/board/board.h b/bsp/stm32/libraries/templates/stm32l4xx/board/board.h
index 2b3e8b6cb1cd5c832399e2b465aeb3d50cbe3b4e..29e1ba42675c499ce402be771baae993b7c09118 100644
--- a/bsp/stm32/libraries/templates/stm32l4xx/board/board.h
+++ b/bsp/stm32/libraries/templates/stm32l4xx/board/board.h
@@ -15,12 +15,6 @@
 #include <stm32l4xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-/* Board Pin definitions */
-// #define LED0_PIN                       GET_PIN(C,  0)
-#endif
-
 #define STM32_SRAM_SIZE         96
 #define STM32_SRAM_END          (0x20000000 + STM32_SRAM_SIZE * 1024)
 
diff --git a/bsp/stm32/stm32f103-atk-nano/applications/main.c b/bsp/stm32/stm32f103-atk-nano/applications/main.c
index 61f0263ca27af4a4d068e44e6b7909cca62395cd..e5b96d8280e0ffa381b53a1d2bcc29389358c139 100644
--- a/bsp/stm32/stm32f103-atk-nano/applications/main.c
+++ b/bsp/stm32/stm32f103-atk-nano/applications/main.c
@@ -11,14 +11,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PC0 */
+#define LED0_PIN    GET_PIN(C, 0)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        rt_pin_write(LED0_PIN, !rt_pin_read(LED0_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-atk-nano/board/board.c b/bsp/stm32/stm32f103-atk-nano/board/board.c
index 28bb36889c9209f12635ae20a3de47f800a27b0b..981fffc85ecf5eafa5c556ea5c63e2eec5b88ac7 100644
--- a/bsp/stm32/stm32f103-atk-nano/board/board.c
+++ b/bsp/stm32/stm32f103-atk-nano/board/board.c
@@ -62,11 +62,4 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
 }
-#ifdef RT_USING_PIN
-int board_pin_init(void)
-{
-    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-    return 0;
-}
-INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
+
diff --git a/bsp/stm32/stm32f103-atk-nano/board/board.h b/bsp/stm32/stm32f103-atk-nano/board/board.h
index 410414c20295a1ab7699efb6859827af6d708be9..a22d23632ad32ca2b2429f5d0a549f02de44f45f 100644
--- a/bsp/stm32/stm32f103-atk-nano/board/board.h
+++ b/bsp/stm32/stm32f103-atk-nano/board/board.h
@@ -15,13 +15,6 @@
 #include <stm32f1xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-/* Board Pin definitions */
-#define LED0_PIN                       GET_PIN(C,  0)
-#define LED1_PIN                       GET_PIN(C,  1)
-#endif
-
 #define STM32_FLASH_START_ADRESS     ((uint32_t)0x08000000)
 #define STM32_FLASH_SIZE             (128 * 1024)
 #define STM32_FLASH_END_ADDRESS      ((uint32_t)(STM32_FLASH_START_ADRESS + STM32_FLASH_SIZE))
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c b/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c
index 2042a403789d021378de41e271fbf344fbd12616..4024c1ae3fa69b2018bcafe8e42cbe5f79470ccb 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c
+++ b/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c
@@ -11,14 +11,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PF7 */
+#define LED0_PIN    GET_PIN(F, 7)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        rt_pin_write(LED0_PIN, !rt_pin_read(LED0_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/board/board.c b/bsp/stm32/stm32f103-fire-arbitrary/board/board.c
index 3188bdb6161fea3b58df161b7537600d55c005ca..829addae08e7f485778f23fabaa9254db2fdbf9e 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/board/board.c
+++ b/bsp/stm32/stm32f103-fire-arbitrary/board/board.c
@@ -63,14 +63,3 @@ void MX_GPIO_Init(void)
     __HAL_RCC_GPIOC_CLK_ENABLE();
     __HAL_RCC_GPIOD_CLK_ENABLE();
 }
-
-#ifdef RT_USING_PIN
-int board_pin_init(void)
-{
-    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-    rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
-
-    return 0;
-}
-INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/board/board.h b/bsp/stm32/stm32f103-fire-arbitrary/board/board.h
index fc77f71a950080ee23a7e1eb7267549846df1b06..d0718d55251cd4cb31c610b3d613c9ee02cd3fa1 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/board/board.h
+++ b/bsp/stm32/stm32f103-fire-arbitrary/board/board.h
@@ -15,13 +15,6 @@
 #include <stm32f1xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-/* Board Pin definitions */
-#define LED0_PIN                       GET_PIN(F, 7)
-#define LED1_PIN                       GET_PIN(F, 8)
-#endif
-
 /* Internal SRAM memory size[Kbytes] <8-64>, Default: 64*/
 #define STM32_SRAM_SIZE      64
 #define STM32_SRAM_END       (0x20000000 + STM32_SRAM_SIZE * 1024)
diff --git a/bsp/stm32/stm32f407-atk-explorer/applications/main.c b/bsp/stm32/stm32f407-atk-explorer/applications/main.c
index 5d7f42bdabaa616bc910593baaf6dfee4b726921..b7bd6a12490e5bf9f80ac16ed3d2cd85f006caa3 100644
--- a/bsp/stm32/stm32f407-atk-explorer/applications/main.c
+++ b/bsp/stm32/stm32f407-atk-explorer/applications/main.c
@@ -12,14 +12,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PF9 */
+#define LED0_PIN    GET_PIN(F, 9)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        rt_pin_write(LED1_PIN, !rt_pin_read(LED1_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f407-atk-explorer/board/board.c b/bsp/stm32/stm32f407-atk-explorer/board/board.c
index 52145fe832ecdd25680c57c6ccd98119fa7bc85e..cea8c7fff9bead3dd598d9bd0a17237abb4f2fc1 100644
--- a/bsp/stm32/stm32f407-atk-explorer/board/board.c
+++ b/bsp/stm32/stm32f407-atk-explorer/board/board.c
@@ -67,14 +67,3 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOB_CLK_ENABLE();
 
 }
-
-#ifdef RT_USING_PIN
-int board_pin_init(void)
-{
-    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-    rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
-
-    return 0;
-}
-INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/stm32f407-atk-explorer/board/board.h b/bsp/stm32/stm32f407-atk-explorer/board/board.h
index 4dab0eddd3dca379d269fd72013cd6d4d1b0fa18..77928f7f8042a696ee3a6392174d08331bd08dfb 100644
--- a/bsp/stm32/stm32f407-atk-explorer/board/board.h
+++ b/bsp/stm32/stm32f407-atk-explorer/board/board.h
@@ -15,13 +15,6 @@
 #include <stm32f4xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-/* Board Pin definitions */
-#define LED0_PIN                       GET_PIN(F,  9)
-#define LED1_PIN                       GET_PIN(F, 10)
-#endif
-
 #define STM32_SRAM_SIZE        (128)
 #define STM32_SRAM_END         (0x20000000 + STM32_SRAM_SIZE * 1024)
 
diff --git a/bsp/stm32/stm32f429-atk-apollo/applications/main.c b/bsp/stm32/stm32f429-atk-apollo/applications/main.c
index 768cedfae744ed5e815be8b27b9bc12197923299..7c40c1518d6acdcb55b460e866cfea6bc408c3f2 100644
--- a/bsp/stm32/stm32f429-atk-apollo/applications/main.c
+++ b/bsp/stm32/stm32f429-atk-apollo/applications/main.c
@@ -11,14 +11,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PB1 */
+#define LED0_PIN    GET_PIN(B, 1)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        rt_pin_write(LED1_PIN, !rt_pin_read(LED1_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f429-atk-apollo/board/board.c b/bsp/stm32/stm32f429-atk-apollo/board/board.c
index 91cde7a95d6fc0162f335f2a64b6be65f2107e5d..a0d2cd17a514faca00405c273ef282f42b4aaf01 100644
--- a/bsp/stm32/stm32f429-atk-apollo/board/board.c
+++ b/bsp/stm32/stm32f429-atk-apollo/board/board.c
@@ -77,14 +77,3 @@ void MX_GPIO_Init(void)
     __HAL_RCC_GPIOD_CLK_ENABLE();
     __HAL_RCC_GPIOG_CLK_ENABLE();
 }
-
-#ifdef RT_USING_PIN
-int board_pin_init(void)
-{
-    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-    rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
-
-    return 0;
-}
-INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/stm32f429-atk-apollo/board/board.h b/bsp/stm32/stm32f429-atk-apollo/board/board.h
index 5d59b9bd77aa0f64cf27983ed67f1bec35e32dc1..8be558340c74ae967943a44651b690c3563729b5 100644
--- a/bsp/stm32/stm32f429-atk-apollo/board/board.h
+++ b/bsp/stm32/stm32f429-atk-apollo/board/board.h
@@ -15,10 +15,6 @@
 #include <stm32f4xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-#endif
-
 #define STM32_SRAM_SIZE           (192)
 #define STM32_SRAM_END            (0x20000000 + STM32_SRAM_SIZE * 1024)
 
@@ -39,12 +35,7 @@ extern int __bss_end;
 
 #define HEAP_END        STM32_SRAM_END
 
-/* Board Pin definitions */
-#define LED0_PIN                       GET_PIN(B, 1)
-#define LED1_PIN                       GET_PIN(B, 0)
-
 void SystemClock_Config(void);
 void MX_GPIO_Init(void);
 
 #endif
-
diff --git a/bsp/stm32/stm32f429-fire-challenger/applications/main.c b/bsp/stm32/stm32f429-fire-challenger/applications/main.c
index 582e5ed8872d52a3c0e25038410f530a356b6f11..cee539b0832921b51d86455fcf7d321123a2d146 100644
--- a/bsp/stm32/stm32f429-fire-challenger/applications/main.c
+++ b/bsp/stm32/stm32f429-fire-challenger/applications/main.c
@@ -12,14 +12,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PH10 */
+#define LED0_PIN    GET_PIN(H, 10)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        rt_pin_write(LED1_PIN, !rt_pin_read(LED1_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f429-fire-challenger/board/board.c b/bsp/stm32/stm32f429-fire-challenger/board/board.c
index 77961c793c80e1817064d877740d0207af8ba25f..19559f4059e4e870e75df70240a86cabb410bac5 100644
--- a/bsp/stm32/stm32f429-fire-challenger/board/board.c
+++ b/bsp/stm32/stm32f429-fire-challenger/board/board.c
@@ -76,14 +76,3 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOG_CLK_ENABLE();
 
 }
-
-#ifdef RT_USING_PIN
-int board_pin_init(void)
-{
-    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-    rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
-
-    return 0;
-}
-INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/stm32f429-fire-challenger/board/board.h b/bsp/stm32/stm32f429-fire-challenger/board/board.h
index 4348bb5fb7889426b303e5bb0690cc9cba84e5e5..69a99bf6727e124c09c6171c3b8c3fc500c701d6 100644
--- a/bsp/stm32/stm32f429-fire-challenger/board/board.h
+++ b/bsp/stm32/stm32f429-fire-challenger/board/board.h
@@ -15,10 +15,6 @@
 #include <stm32f4xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-#endif
-
 #define STM32_SRAM_SIZE           (192)
 #define STM32_SRAM_END            (0x20000000 + STM32_SRAM_SIZE * 1024)
 
@@ -39,10 +35,6 @@ extern int __bss_end;
 
 #define HEAP_END        STM32_SRAM_END
 
-/* Board Pin definitions */
-#define LED0_PIN                       GET_PIN(H, 10)
-#define LED1_PIN                       GET_PIN(H, 11)
-
 void SystemClock_Config(void);
 void MX_GPIO_Init(void);
 
diff --git a/bsp/stm32/stm32l475-atk-pandora/applications/main.c b/bsp/stm32/stm32l475-atk-pandora/applications/main.c
index a802fd07e809017d749c6662159dc89a80e72482..208dd4525f2d6cb3547e6226a42ba276f75ddafc 100644
--- a/bsp/stm32/stm32l475-atk-pandora/applications/main.c
+++ b/bsp/stm32/stm32l475-atk-pandora/applications/main.c
@@ -11,14 +11,23 @@
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <board.h>
+#include "drv_gpio.h"
+/* defined the LED0 pin: PE7 */
+#define LED0_PIN    GET_PIN(E, 7)
 
 int main(void)
 {
     int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
-        rt_pin_write(LED0_PIN, !rt_pin_read(LED0_PIN));
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
+
     return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l475-atk-pandora/board/board.c b/bsp/stm32/stm32l475-atk-pandora/board/board.c
index 4c6d7f61ea6e6582906261e6ff1e5de79c4fd8c8..78eb82025c285a37686cbdfe1bf77bb5d706bfb9 100644
--- a/bsp/stm32/stm32l475-atk-pandora/board/board.c
+++ b/bsp/stm32/stm32l475-atk-pandora/board/board.c
@@ -74,12 +74,3 @@ void MX_GPIO_Init(void)
   __HAL_RCC_GPIOB_CLK_ENABLE();
 
 }
-
-#ifdef RT_USING_PIN
-int board_pin_init(void)
-{
-    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
-    return 0;
-}
-INIT_BOARD_EXPORT(board_pin_init);
-#endif /* RT_USING_PIN */
diff --git a/bsp/stm32/stm32l475-atk-pandora/board/board.h b/bsp/stm32/stm32l475-atk-pandora/board/board.h
index 43ea79b4e4efb9e97c42844d68c111c9bfd8d0c7..df4023b4bb49a3e13e07e2e317cfbc83b6289187 100644
--- a/bsp/stm32/stm32l475-atk-pandora/board/board.h
+++ b/bsp/stm32/stm32l475-atk-pandora/board/board.h
@@ -15,10 +15,6 @@
 #include <stm32l4xx.h>
 #include "drv_common.h"
 
-#ifdef BSP_USING_GPIO
-#include "drv_gpio.h"
-#endif
-
 #define STM32_SRAM1_SIZE               (96)
 #define STM32_SRAM1_START              (0x20000000)
 #define STM32_SRAM1_END                (STM32_SRAM1_START + STM32_SRAM1_SIZE * 1024)
@@ -30,10 +26,6 @@
 #define HEAP_BEGIN                     STM32_SRAM1_START
 #define HEAP_END                       STM32_SRAM1_END
 
-/* Board Pin definitions */
-#define LED0_PIN                       GET_PIN(E, 7)
-#define LED1_PIN                       GET_PIN(E, 8)
-
 void SystemClock_Config(void);
 void MX_GPIO_Init(void);