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点亮led，但是下载到板子LED没有亮起来帮忙看一下

发布于 2019-01-21 14:54:54 浏览：1605 订阅该版

main.c如下：

#include <rtthread.h>
#include <rtdevice.h>

extern void led_sample(void);
	
int main(void)
{
    led_sample();
    return 0;
}

//MSH_CMD_EXPORT(led, RT-Thread first led sample);*/

led.c如下：

#include <rtthread.h>
#include <rtdevice.h>

#define THREAD_PRIORITY 25
#define THREAD_STACK_SIZE 512
#define THREAD_TIMESLTCE 5
//#define LED_0_PIN 46
//#define LED_1_PIN 19
//#define LED_2_PIN 20

static rt_thread_t tid = RT_NULL;

void led_init()
{
	rt_pin_mode(46,PIN_MODE_OUTPUT);
	rt_pin_mode(19,PIN_MODE_OUTPUT);
	rt_pin_mode(20,PIN_MODE_OUTPUT);
}

static void led_entry(void *parameter)
{
	led_init();
	rt_pin_mode(46,PIN_MODE_OUTPUT);
	rt_pin_mode(19,PIN_MODE_OUTPUT);
	rt_pin_mode(20,PIN_MODE_OUTPUT);
	while(1)
	{
		rt_pin_write(46,PIN_LOW);
		rt_thread_delay(10);
		rt_pin_write(46,PIN_HIGH);
		rt_thread_delay(10);
		rt_pin_write(19,PIN_LOW);
		rt_thread_delay(10);
		rt_pin_write(19,PIN_HIGH);
		rt_thread_delay(10);
		rt_pin_write(20,PIN_LOW);
		rt_thread_delay(10);
		rt_pin_write(20,PIN_HIGH);
		
	}
}

void led_sample(void)
{
	tid =  rt_thread_create("led",
	                        led_entry,RT_NULL,
	                        THREAD_STACK_SIZE,
	                        THREAD_PRIORITY,THREAD_TIMESLTCE);
	if(tid != RT_NULL)
	{
		rt_thread_startup(tid);
		
	}
	
}

//MSH_CMD_EXPORT(led_sample,led sample);

点亮led，但是下载到板子LED没有亮起来帮忙看一下，