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justhomework/MCU/MCU_REAL_FINAL/eeprom.h
2022-06-07 21:53:59 +08:00

36 lines
No EOL
1.1 KiB
C

#ifndef _EEPROM_H_
#define _EEPROM_H_
/*Declare SFR associated with the IAP */
sfr IAP_DATA = 0xE2; //Flash寄存器
sfr IAP_ADDRH = 0xE3; //Flash 高地址
sfr IAP_ADDRL = 0xE4; //Flash 低地址
sfr IAP_CMD = 0xE5; //Flash 命令寄存器
sfr IAP_TRIG = 0xE6; //Flash 控制触发器
sfr IAP_CONTR = 0xE7; //Flash 控制寄存器
/*Define ISP/IAP/EEPROM command*/
#define CMD_IDLE 0 //空闲
#define CMD_READ 1 //读
#define CMD_PROGRAM 2 //写
#define CMD_ERASE 3 //擦除
/*Define ISP/IAP/EEPROM operation const for IAP_CONTR*/
//#define ENABLE_IAP 0x80 //if SYSCLK<40MHz
#define ENABLE_IAP 0x81 //if SYSCLK<20MHz
//#define ENABLE_IAP x82 //if SYSCLK<10MHz
//#define ENABLE_IAP 0x83 //if SYSCLK<5MHz
//Start address for STC89C58xx EEPROM
#define IAP_ADDRESS 0xF200
typedef unsigned char BYTE;
typedef unsigned int WORD;
void Delay(BYTE n);
void IapIdle();
BYTE IapReadByte(WORD addr);
void IapProgramByte(WORD addr, BYTE dat);
void IapEraseSector(WORD addr);
#endif