sd_power.c

收集了单片机对SD卡读写源码

#include"LPC214x.h"

#include"sd_power.h"

void Init_DetectPwm(void)
{
    PINSEL1 &= ~((1<<19)|(1<<18));
	PINSEL2 = 0x04; //eanble debug.
  	IO1DIR |= SD_PW;
	IO0DIR &= ~SD_CHECK_PW;
	IO1CLR = SD_PW;
}

void Sd_PowerOn()
{
	IO1SET =SD_PW;
}
void Sd_PowerOff()
{
	IO1CLR = SD_PW;
}