eeprom.zip_codevison tcp

#include "eeprom.h" #define EERIE 3 #define EEMWE 2 #define EEWE 1 #define EERE 0 void EEPROM_Configuration(void) { EECR = (0<<EERIE); //SREG|=0x80; //#asm("sei") } void EEPROM_Write(unsigned int uiAddress, unsigned char ucData) { /* Wait for completion of previous write */ while(EECR & (1<<EEWE)) ; /* Set up address and data registers */ EEAR = uiAddress; EEDR = ucData; /* Write logical one to EEMWE */ EECR |= (1<<EEMWE); /* Start eeprom write by setting EEWE */ EECR |= (1<<EEWE); } unsigned char EEPROM_Read(unsigned int uiAddress) { /* Wait for completion of previous write */ while(EECR & (1<<EEWE)) ; /* Set up address register */ EEAR = uiAddress; /* Start eeprom read by writing EERE */ EECR |= (1<<EERE); /* Return data from data register */ return EEDR; } void EEPROM_Write2Byte(unsigned int uiAddress, unsigned short ucData) { EEPROM_Write(uiAddress,(unsigned char)((ucData>>0)&0xFF)); EEPROM_Write(uiAddress+1,(unsigned char)((ucData>>8)&0xFF)); } unsigned short EEPROM_Read2Byte(unsigned int uiAddress) { unsigned short temp; temp = EEPROM_Read(uiAddress+1); temp =(temp&0xFF)<<8; temp |= (EEPROM_Read(uiAddress))&0xFF; return temp; } interrupt [EE_RDY] void ee_rdy_isr(void) { } //end of file