main.c

ATMEGA128的EEPROM驱动程序

/************************************************
文件：main.c
用途：
注意：内部8M晶振
创建：2008.4.1
修改：2008.4.1
Copy Right  (c)  www.avrvi.com  AVR与虚拟仪器
************************************************/

#include "config.h"

void EEPROM_write(unsigned int uiAddress,unsigned char ucData)
{
 while(EECR&(1<<EEWE));
 EEAR = uiAddress;
 EEDR = ucData;
 EECR |=(1<<EEMWE);
 EECR |=(1<<EEWE);
}

unsigned char EEPROM_read(unsigned int uiAddress)
{
 while(EECR&(1<<EEWE));
 EEAR = uiAddress;
 EECR |=(1<<EERE);
 return EEDR;
}

void main(void)
{
 unsigned char temp;
 HC_595_init();
 
 temp=EEPROM_read(0x01);
 temp++;
 EEPROM_write(0x01,temp);
 
 while(1)
 	{
		 Seg7_Led_display(temp);
	}
}