rt-thread-official/bsp/CME_M7/applications/led.c

40 lines
1003 B
C

#include <rtthread.h>
#include <board.h>
static void led_thread_entry(void* parameter)
{
/* Configure GPIO as Output mode */
GPIO_Init(GPIO_GROUP_GPIO, 0xFFFFFFFF);
GPIO_EnableOutput(GPIO_GROUP_GPIO, 0x81010101);
// LED4, 200ns period
GPIO_InitPwm(GPIO_PWM_CHANNEL_GPIO_31, 100, 100);
GPIO_EnablePwm(GPIO_PWM_CHANNEL_GPIO_31, TRUE);
while(1)
{
GPIO_Write(GPIO_GROUP_GPIO, 0x01010101, 0x55555555);
rt_thread_delay(RT_TICK_PER_SECOND/3);
GPIO_Write(GPIO_GROUP_GPIO, 0x01010101, 0xAAAAAAAA);
rt_thread_delay(RT_TICK_PER_SECOND/3);
}
}
static int led_thread_init(void)
{
rt_thread_t tid;
tid = rt_thread_create("led",
led_thread_entry,
RT_NULL,
2048,
RT_THREAD_PRIORITY_MAX - 1,
1);
if (tid != RT_NULL)
rt_thread_startup(tid);
return 0;
}
INIT_APP_EXPORT(led_thread_init);