[bsp][stm32] optimize main func

27 files changed, 91 insertions, 161 deletions

diff --git a/bsp/stm32/libraries/templates/stm32f10x/applications/main.c b/bsp/stm32/libraries/templates/stm32f10x/applications/main.c
index 87a07a6246..7c40c1518d 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 ac55193461..36c127c5b7 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 cc2079f0e7..1c00e71dca 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 87a07a6246..7c40c1518d 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 928bbdbbde..b3cf3b0754 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 8cb36267f7..f7944b4ed7 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 87a07a6246..7c40c1518d 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 d0e25eaf04..5f8113f4d7 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 2b3e8b6cb1..29e1ba4267 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 61f0263ca2..e5b96d8280 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 28bb36889c..981fffc85e 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 410414c202..a22d23632a 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 2042a40378..4024c1ae3f 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 3188bdb616..829addae08 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 fc77f71a95..d0718d5525 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 5d7f42bdab..b7bd6a1249 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 52145fe832..cea8c7fff9 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 4dab0eddd3..77928f7f80 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 768cedfae7..7c40c1518d 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 91cde7a95d..a0d2cd17a5 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 5d59b9bd77..8be558340c 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 582e5ed887..cee539b083 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 77961c793c..19559f4059 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 4348bb5fb7..69a99bf672 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 a802fd07e8..208dd4525f 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 4c6d7f61ea..78eb82025c 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 43ea79b4e4..df4023b4bb 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);