云端给开发板发送指令然后实现小灯翻转

2024-07-31 00:35:11 +08:00
parent a0ae37543c
commit 43846001be
2 changed files with 10 additions and 8 deletions
--- a/Day5/mqtt.c
+++ b/Day5/mqtt.c
@@ -51,10 +51,12 @@ static void example_message_arrive(void *pcontext, void *pclient, iotx_mqtt_even
            rt_pin_mode(GPIO_LED_R, PIN_MODE_OUTPUT);
            if(rt_pin_read(GPIO_LED_R) == PIN_HIGH)
            {
+                // rt_kprintf("LED_R should be ON\n");
                rt_pin_write(GPIO_LED_R, PIN_LOW);
            }
            else
            {
+                // rt_kprintf("LED_R should be OFF\n");
                rt_pin_write(GPIO_LED_R, PIN_HIGH);
            }
            EXAMPLE_TRACE("Topic  : %.*s", topic_info->topic_len, topic_info->ptopic);