[第3期空气质量分析仪]第一周作业说说第一周踩到的坑

发布于 2019-10-16 10:51:21 浏览：934 订阅该版

3 个回答

flyboy 2019-10-16

Do my self();

TBIQ_3050 2019-10-18

这家伙很懒，什么也没写！

TBIQ_3050 2019-10-18

这家伙很懒，什么也没写！

指示灯函数

//接口可以初始化 led
void led_init()
{
	/* set LED0 pin mode to output */
	rt_pin_mode(LED_RED, PIN_MODE_OUTPUT_OD);
	rt_pin_mode(LED_GREEN, PIN_MODE_OUTPUT_OD);
	rt_pin_mode(LED_ORANGE, PIN_MODE_OUTPUT_OD);
	rt_pin_mode(LED_BLUE, PIN_MODE_OUTPUT_OD);
	rt_pin_mode(LED_RED, PIN_MODE_OUTPUT_OD);
	rt_pin_mode(LED_GREEN, PIN_MODE_OUTPUT_OD);
	rt_pin_mode(LED_ORANGE, PIN_MODE_OUTPUT_OD);
	rt_pin_mode(LED_BLUE, PIN_MODE_OUTPUT_OD);

led_off(RED);
	led_off(GREEN);
	led_off(ORANGE);
	led_off(BLUE);
}
//接口可以点亮 led
void led_on(rt_uint32_t i)
{
	switch (i)
	{
	case 1:
		rt_pin_write(LED_RED, PIN_LOW);
		break;

case 2:
		rt_pin_write(LED_GREEN, PIN_LOW);
		break;

case 3:
		rt_pin_write(LED_ORANGE, PIN_LOW);
		break;

case 4:
		rt_pin_write(LED_BLUE, PIN_LOW);
		break;
	}

}

//接口可以熄灭 led
void led_off(rt_uint32_t i)
{

switch (i)
	{
	case 1:
		rt_pin_write(LED_RED, PIN_HIGH);
		break;

case 2:
		rt_pin_write(LED_GREEN, PIN_HIGH);
		break;

case 3:
		rt_pin_write(LED_ORANGE, PIN_HIGH);
		break;

case 4:
		rt_pin_write(LED_BLUE, PIN_HIGH);
		break;
	}

}

//接口可以使 led 闪烁，200ms 闪烁周期
void led_blink(rt_uint32_t i, rt_uint32_t time)
{
	switch (i)
	{
	case 1:
		led_on(RED);
		rt_thread_mdelay(time);
		led_off(RED);
		rt_thread_mdelay(time);
		break;

case 2:
		led_on(GREEN);
		rt_thread_mdelay(time);
		led_off(GREEN);
		rt_thread_mdelay(time);

break;

case 3:
		led_on(ORANGE);
		rt_thread_mdelay(time);
		led_off(ORANGE);
		rt_thread_mdelay(time);

break;

case 4:
		led_on(BLUE);
		rt_thread_mdelay(time);
		led_off(BLUE);
		rt_thread_mdelay(time);
		break;
	}

}