main.c

K10的GPIO库函数之实现LED灯亮灭

#include"light.h"


int main(void)
{
		
		//主程序使用的变量定义
		uint32 run_counter;	//运行计数器
	
		//开启各个GPIO的转换时钟
		SIM->SCGC5=SIM_SCGC5_PORTA_MASK|SIM_SCGC5_PORTB_MASK|SIM_SCGC5_PORTC_MASK|SIM_SCGC5_PORTD_MASK|SIM_SCGC5_PORTE_MASK;
	
		//初始化指示灯
		light_init(Light_Run_PORT,Light_Run1,Light_ON);
		light_init(Light_Run_PORT,Light_Run2,Light_OFF);
		while(1)
		{
				//主循环计数到一定的值，使小灯的亮、暗 状态切换
				run_counter++;
				if(run_counter>=3000000)
				{
							run_counter=0;
							light_change(Light_Run_PORT,Light_Run1);
							light_change(Light_Run_PORT,Light_Run2);
				}
		}
}//end_main