tools.c

FS7805 使用SD卡的demo

#include "fs7805.h"
#include "fs7805regs.h"
#include "include.h"
void McuInit()
{
	SYS_CFG=SYS_CFG|bmSYS_SW_RST;//software reset
	SYS_CFG=0x03; //00:15M,01:20M,02:30M,03:60M
//	CKCON = 1;
	WDTRST=0x2D; //stop WDT
	MEMCON=0x04; //configure 8k xdata

}
void Timer0Init(void)
{

//	TH0 = 0x9E; //0x9E58,CPU 30M. 10ms timer tick
//	TL0 = 0x58;
  	TH0         = 0x3C;      // 0x3CB0, CPU 60MHz, 10ms
  	TL0         = 0xB0;

	TMOD = 0x21;
	TCON = 0x50;
	IP = 0x02;
	IE = 0x82;

	EA=1;
}

void Timer0() interrupt 1 using 3
{
  // Restore the counter to 10 ms
//  TH0 = 0x9E; //0x9E58,CPU 30M定时10ms
//  TL0 = 0x58;
  TH0         = 0x3C;                                // 0x3CB0, CPU 60MHz, 10ms
  TL0         = 0xB0;

  if (CmdTimer)
    CmdTimer --;

}

void Delay1ms(unsigned int count)  //delay 1ms
{
	unsigned int i,j;

	for(i=0;i<count;i++)
		for(j=0;j<120;j++)
			;
}