能发给我一个stc12c5a60s2的eeprom的程序吗
我想用eeprom保存一个数组，掉电的时候保存数据。程序要支持连写，连读的，因为我要连续保存128个数据到eeprom中。官网的程序我看过了，但不支持连写连读，不知道怎么办，求大神给我一个能支持连写连读的eeprom程序给我，感激不尽。 我也不太懂， 不过你下载他的最新的ISP的软件里面有范例程序的，希望对你有参考当然对不对你的主题，我就不清楚了。
#include "reg51.h"
#include "intrins.h"
typedef unsigned char BYTE;
typedef unsigned int WORD;
/*Declare SFR associated with the IAP */
sfr IAP_DATA = 0xC2; //Flash data register
sfr IAP_ADDRH = 0xC3; //Flash address HIGH
sfr IAP_ADDRL = 0xC4; //Flash address LOW
sfr IAP_CMD = 0xC5; //Flash command register
sfr IAP_TRIG = 0xC6; //Flash command trigger
sfr IAP_CONTR = 0xC7; //Flash control register
/*Define ISP/IAP/EEPROM command*/
#define CMD_IDLE 0 //Stand-By
#define CMD_READ 1 //Byte-Read
#define CMD_PROGRAM 2 //Byte-Program
#define CMD_ERASE 3 //Sector-Erase
/*Define ISP/IAP/EEPROM operation const for IAP_CONTR*/
//#define ENABLE_IAP 0x80 //if SYSCLK<30MHz
//#define ENABLE_IAP 0x81 //if SYSCLK<24MHz
#define ENABLE_IAP0x82 //if SYSCLK<20MHz
//#define ENABLE_IAP 0x83 //if SYSCLK<12MHz
//#define ENABLE_IAP 0x84 //if SYSCLK<6MHz
//#define ENABLE_IAP 0x85 //if SYSCLK<3MHz
//#define ENABLE_IAP 0x86 //if SYSCLK<2MHz
//#define ENABLE_IAP 0x87 //if SYSCLK<1MHz
//Start address for STC11/10xx EEPROM
#define IAP_ADDRESS 0x0400
void Delay(BYTE n);
void IapIdle();
BYTE IapReadByte(WORD addr);
void IapProgramByte(WORD addr, BYTE dat);
void IapEraseSector(WORD addr);
void main()
{
WORD i;
P1 = 0xfe; //1111,1110 System Reset OK
Delay(10); //Delay
IapEraseSector(IAP_ADDRESS); //Erase current sector
for (i=0; i<512; i++) //Check whether all sector data is FF
{
if (IapReadByte(IAP_ADDRESS+i) != 0xff)
goto Error; //If error, break
}
P1 = 0xfc; //1111,1100 Erase successful
Delay(10); //Delay
for (i=0; i<512; i++) //Program 512 bytes data into data flash
{
IapProgramByte(IAP_ADDRESS+i, (BYTE)i);
}
P1 = 0xf8; //1111,1000 Program successful
Delay(10); //Delay
for (i=0; i<512; i++) //Verify 512 bytes data
{
if (IapReadByte(IAP_ADDRESS+i) != (BYTE)i)
goto Error; //If error, break
}
P1 = 0xf0; //1111,0000 Verify successful
while (1);
Error:
P1 &= 0x7f; //0xxx,xxxx IAP operation fail
while (1);
}
/*----------------------------
Software delay function
----------------------------*/
void Delay(BYTE n)
{
WORD x;
while (n--)
{
x = 0;
while (++x);
}
}
/*----------------------------
Disable ISP/IAP/EEPROM function
Make MCU in a safe state
----------------------------*/
void IapIdle()
{
IAP_CONTR = 0; //Close IAP function
IAP_CMD = 0; //Clear command to standby
IAP_TRIG = 0; //Clear trigger register
IAP_ADDRH = 0x80; //Data ptr point to non-EEPROM area
IAP_ADDRL = 0; //Clear IAP address to prevent misuse
}
/*----------------------------
Read one byte from ISP/IAP/EEPROM area
Input: addr (ISP/IAP/EEPROM address)
Output:Flash data
----------------------------*/
BYTE IapReadByte(WORD addr)
{
BYTE dat; //Data buffer
IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
IAP_CMD = CMD_READ; //Set ISP/IAP/EEPROM READ command
IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low
IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high
IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
_nop_(); //MCU will hold here until ISP/IAP/EEPROM operation complete
dat = IAP_DATA; //Read ISP/IAP/EEPROM data
IapIdle(); //Close ISP/IAP/EEPROM function
return dat; //Return Flash data
}
/*----------------------------
Program one byte to ISP/IAP/EEPROM area
Input: addr (ISP/IAP/EEPROM address)
dat (ISP/IAP/EEPROM data)
Output:-
----------------------------*/
void IapProgramByte(WORD addr, BYTE dat)
{
IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
IAP_CMD = CMD_PROGRAM; //Set ISP/IAP/EEPROM PROGRAM command
IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low
IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high
IAP_DATA = dat; //Write ISP/IAP/EEPROM data
IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
_nop_(); //MCU will hold here until ISP/IAP/EEPROM operation complete
IapIdle();
}
/*----------------------------
Erase one sector area
Input: addr (ISP/IAP/EEPROM address)
Output:-
----------------------------*/
void IapEraseSector(WORD addr)
{
IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
IAP_CMD = CMD_ERASE; //Set ISP/IAP/EEPROM ERASE command
IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low
IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high
IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
_nop_(); //MCU will hold here until ISP/IAP/EEPROM operation complete
IapIdle();
} 这个我看过，这个支持字节读，字节写，但不支持连读连写的 是内部的EEPROM？？？？？？
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