/******************** (C) COPYRIGHT 2014 ???? ********************
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**********************************************************************/
#include <stdbool.h>
#include <stdint.h>
#include "nrf_delay.h"
#include "nrf_gpio.h"
#include "led.h"
int main(void)
{
  // Configure LED-pins as outputs
  LED_Init();
  
  // LED 0 and LED 1 blink alternately.
  while(true)
  {
    LED1_Open();
    LED2_Close();
    
    nrf_delay_ms(500);
    
    LED2_Open();
    LED1_Close();
    
    nrf_delay_ms(500);
  }
}
 
/**************************End of XF-Studio*******************************/
原文:http://www.cnblogs.com/xiaofeng6636/p/4053296.html