eeprom.h

来自「This is IR (Infra-Red) learn module for 」· C头文件 代码 · 共 35 行

#ifndef __EEPROM_H__
#define __EEPROM_H__

/*
 *  FILE:
 *     eeprom.h (rev. 1.1 - 14.04.2006)
 *
 *  PROJECT:
 *     IR Learn System 
 *  
 *  DESCRIPTION:
 *     Contains low-level routines to get access to 
 *     Data EEPROM of AT89C51ED2
*/  

#include "types.h"

#define FirstMark           'C'     // First system start mark (also, serves as EEPROM version number)
#define MAP_IR_Cmd         1670     // IR Control Codes (10x2x9=180 bytes)
#define MAP_IR_Seq         1850     // IR Keys Sequencies (10x16=160 bytes)
#define MAP_FirstMark      2047     // "First Start" mark (!=FirstMark for first system start)


void EEPROM_Init(void);             // Initialize EEPROM for first run
void EEPROM_Write(U16 addr,U8 val); // Write byte to Data EEPROM
U8 EEPROM_Read(U16 addr);           // Read byte from Data EEPROM

// Low-level routines from "eeprom_low.a51"
extern void EEPROM_Put(U8 ch,U8 addr_low,U8 addr_high);
extern U8   EEPROM_Get(U8 addr_low,U8 addr_high);


#endif