/*操作方法：
按P32?從扇區0x0000起讀一個字節。并在串口助手里顯示出來。
按P33?從扇區0x0000起寫一個字節。
按P33?扇區擦除。位置回到起點，即0X0000.
*/
//工作頻率為11.0592MHz
#include?“reg51.h“
#include?“intrins.h“

typedef?unsigned?char?BYTE;
typedef?unsigned?int?WORD;
#define?uchar?unsigned?char
#define?uint??unsigned?int

#define?FOSC?11059200L??????????//系統頻率
#define?BAUD?115200?????????????//串口波特率

#define?NONE_PARITY?????0???????//無校驗
#define?ODD_PARITY??????1???????//奇校驗
#define?EVEN_PARITY?????2???????//偶校驗
#define?MARK_PARITY?????3???????//標記校驗
#define?SPACE_PARITY????4???????//空白校驗

#define?PARITYBIT?EVEN_PARITY???//定義校驗位

sfr?P0M1?=?0x93;
sfr?P0M0?=?0x94;
sfr?P1M1?=?0x91;
sfr?P1M0?=?0x92;
sfr?P2M1?=?0x95;
sfr?P2M0?=?0x96;
sfr?P3M1?=?0xb1;
sfr?P3M0?=?0xb2;
sfr?P4M1?=?0xb3;
sfr?P4M0?=?0xb4;
sfr?P5M1?=?0xC9;
sfr?P5M0?=?0xCA;
sfr?P6M1?=?0xCB;
sfr?P6M0?=?0xCC;
sfr?P7M1?=?0xE1;
sfr?P7M0?=?0xE2;

sfr?AUXR??=?0x8e;???????????????//輔助寄存器
sfr?T2H???=?0xd6;???????????????//定時器2高8位
sfr?T2L???=?0xd7;???????????????//定時器2低8位

sfr?P_SW1???=?0xA2;?????????????//外設功能切換寄存器1

#define?S1_S0?0x40??????????????//P_SW1.6
#define?S1_S1?0x80??????????????//P_SW1.7

sbit?P22?=?P2^2;
sbit?P32?=?P3^2;??//讀一字節。
sbit?P33?=?P3^3;??//寫一字節。
sbit?P34?=?P3^4;??//扇區擦除。

bit?busy;
unsigned?char?iii;
//======================================
sfr?IAP_DATA????=???0xC2;???????????//IAP數據寄存器
sfr?IAP_ADDRH???=???0xC3;???????????//IAP地址寄存器高字節
sfr?IAP_ADDRL???=???0xC4;???????????//IAP地址寄存器低字節
sfr?IAP_CMD?????=???0xC5;???????????//IAP命令寄存器
sfr?IAP_TRIG????=???0xC6;???????????//IAP命令觸發寄存器
sfr?IAP_CONTR???=???0xC7;???????????//IAP控制寄存器

#define?CMD_IDLE????0???????????????//空閑模式
#define?CMD_READ????1???????????????//IAP字節讀命令
#define?CMD_PROGRAM?2???????????????//IAP字節編程命令
#define?CMD_ERASE???3???????????????//IAP扇區擦除命令

//#define?ENABLE_IAP?0x80???????????//if?SYSCLK<30MHz
//#define?ENABLE_IAP?0x81???????????//if?SYSCLK<24MHz
#define?ENABLE_IAP??0x82????????????//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

//測試地址
#define?IAP_ADDRESS?0x0000
void?IapIdle（）;	//關閉IAP功能。
BYTE?IapReadByte（WORD?addr）;//讀一字節。
void?IapProgramByte（WORD?addr?BYTE?dat）;//寫一字節。
void?IapEraseSector（WORD?addr）;//扇區擦除。
//======================================

void?SendData（BYTE?dat）;
void?SendString（char?*s）;
void?delayms（uint?z）;?//STC15W204S單片機即1MS延時=0.9989MS-11.0592
//=========================================================
/*----------------------------
關閉IAP
----------------------------*/
void?IapIdle（）?//關閉IAP功能。
{
????IAP_CONTR?=?0;??????????????????//關閉IAP功能
????IAP_CMD?=?0;????????????????????//清除命令寄存器
????IAP_TRIG?=?0;???????????????????//清除觸發寄存器
????IAP_ADDRH?=?0x80;???????????????//將地址設置到非IAP區域
????IAP_ADDRL?=?0;
}

/*--------

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-14?18:35??408AS_EEPROM與串口\
?????文件???????10216??2017-12-14?18:33??408AS_EEPROM與串口\408AS_EEPROM與串口
?????文件???????14566??2017-12-14?18:33??408AS_EEPROM與串口\408AS_EEPROM與串口.LST
?????文件???????11422??2017-12-14?18:33??408AS_EEPROM與串口\408AS_EEPROM與串口.M51
?????文件???????11158??2017-12-14?18:33??408AS_EEPROM與串口\408AS_EEPROM與串口.OBJ
?????文件????????1423??2017-12-14?18:35??408AS_EEPROM與串口\408AS_EEPROM與串口.Opt
?????文件????????2213??2017-03-08?01:45??408AS_EEPROM與串口\408AS_EEPROM與串口.Uv2
?????文件????????8227??2017-12-14?18:35??408AS_EEPROM與串口\408AS_EEPROM與串口.c
?????文件?????????932??2017-12-14?18:33??408AS_EEPROM與串口\408AS_EEPROM與串口.hex
?????文件??????????68??2017-12-14?18:33??408AS_EEPROM與串口\408AS_EEPROM與串口.lnp
?????文件?????????188??2017-12-14?18:35??408AS_EEPROM與串口\408AS_EEPROM與串口.plg
?????文件????????1423??2017-12-14?18:34??408AS_EEPROM與串口\408AS_EEPROM與串口_Opt.Bak
?????文件???????????0??2017-03-07?23:43??408AS_EEPROM與串口\408AS_EEPROM與串口_Uv2.Bak