2018-5-5 blink led after 1s delay

2018-5-5 blink led after 1s delay

2_blink_led/main/blink.c

@@ -12,28 +12,23 @@
 #include "driver/gpio.h"
 #include "sdkconfig.h"
 
-/* Can run 'make menuconfig' to choose the GPIO to blink,
-   or you can edit the following line and set a number here.
-*/
+//宏定义
 #define BLINK_GPIO 16
 
 void blink_task(void *pvParameter)
 {
-    /* Configure the IOMUX register for pad BLINK_GPIO (some pads are
-       muxed to GPIO on reset already, but some default to other
-       functions and need to be switched to GPIO. Consult the
-       Technical Reference for a list of pads and their default
-       functions.)
-    */
+    //短脚设置
     gpio_pad_select_gpio(BLINK_GPIO);
-    /* Set the GPIO as a push/pull output */
+    //设置为输出
     gpio_set_direction(BLINK_GPIO, GPIO_MODE_OUTPUT);
     while(1) {
-        /* Blink off (output low) */
+        //设置低电平
         gpio_set_level(BLINK_GPIO, 0);
+		//延时1s
         vTaskDelay(1000 / portTICK_PERIOD_MS);
-        /* Blink on (output high) */
+          //设置高电平
         gpio_set_level(BLINK_GPIO, 1);
+		//延时1s
         vTaskDelay(1000 / portTICK_PERIOD_MS);
     }
 }