[bsp][stm32f091]mian函数添加LED指示灯闪烁

2019-07-19 15:03:12 +08:00 · 2019-07-19 15:03:12 +08:00 · 85ab390750
commit 85ab390750
parent cca033fd6f
1 changed files with 11 additions and 1 deletions
--- a/bsp/stm32/stm32f091-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f091-st-nucleo/applications/main.c
@ -12,14 +12,24 @@
 #include <rtdevice.h>
 #include <board.h>

+/* defined the LED2 pin: PA5 */
+#define LED2_PIN    GET_PIN(A, 5)
+
 int main(void)
 {
    int count = 1;

+    /* set LED2 pin mode to output */
+    rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
+
    while (count++)
    {
+        rt_pin_write(LED2_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED2_PIN, PIN_LOW);
        rt_thread_mdelay(500);
    }
-
    return RT_EOK;
 }
+
+