/* --- STC International Limited ---------------- *//* --- 宏晶科技 姚永平 設計 2004/9/11 V1.0 --- *//* --- 宏晶科技 姚永平 設計 2004/12/4 V2.0 --- *//* --- RD+/RC系列 Flash IAP/ISP Operation ----- *//* --- STC89C54RD+, STC89C58RD+, --- *//* --- STC89LE54RD+,STC89LE58RD+, -- *//* --- STC89C51RC, STC89C52RC, ----- *//* --- STC89LE51RC, STC89LE52RC, ---- *//* --- Mobile: 13922805190 ---------------------- *//* --- Fax: 0755-82944243 ----------------------- *//* --- Tel: 0755-82908285 ----------------------- *//* --- Web : www.mcu-memory.com ---------------- *//* --- 感謝網友2004/12/3的指正,送樣品以示感謝 --- */#include <reg52.h>#include <intrins.h> /* use _nop_() function *///sfr16 DPTR = 0x82;/* 新增特殊功能寄存器定義 */sfr ISP_DATA= 0xe2;sfr ISP_ADDRH= 0xe3; sfr ISP_ADDRL= 0xe4;sfr ISP_CMD= 0xe5; sfr ISP_TRIG= 0xe6; sfr ISP_CONTR = 0xe7; /* 定義命令 */#define READ_AP_and_Data_Memory_Command0x01 /* 字節讀數據存儲區 */#define PROGRAM_AP_and_Data_Memory_Command 0x02 /* 字節編程數據存儲區 */#define SECTOR_ERASE_AP_and_Data_Memory_Command 0x03 /* 扇區擦除數據存儲區 */typedef unsigned charINT8U;/* 8 bit 無符號整型 */typedef unsigned int INT16U; /* 16 bit 無符號整型 */#defineDELAY_CONST 60000/* 定義常量 */#define ERROR 0#define OK 1sbit Begin_LED =P1^0;sbit ERROR_LED = P1^3;sbit OK_LED= P1^7;/* 定義Flash 操作等待時間 */#define MCU_CLOCK_40MHz//#define MCU_CLOCK_20MHz//#define MCU_CLOCK_10MHz//#define MCU_CLOCK_5MHz#ifdef MCU_CLOCK_40MHz #define WAIT_TIME 0x00#endif#ifdef MCU_CLOCK_20MHz #define WAIT_TIME 0x01#endif#ifdef MCU_CLOCK_10MHz #define WAIT_TIME 0x02#endif#ifdef MCU_CLOCK_5MHz #define WAIT_TIME 0x03#endif/* 調試控制項 *///#define DEBUG_STC89C_LE58RD+#define DEBUG_STC89C_LE52RC//#define USED_BYTE_QTY_IN_ONE_SECTOR 1//#define USED_BYTE_QTY_IN_ONE_SECTOR 2//#define USED_BYTE_QTY_IN_ONE_SECTOR 4//#define USED_BYTE_QTY_IN_ONE_SECTOR 8//#define USED_BYTE_QTY_IN_ONE_SECTOR 16//#define USED_BYTE_QTY_IN_ONE_SECTOR 32//#define USED_BYTE_QTY_IN_ONE_SECTOR 64#define USED_BYTE_QTY_IN_ONE_SECTOR 128//#define USED_BYTE_QTY_IN_ONE_SECTOR 256//#define USED_BYTE_QTY_IN_ONE_SECTOR 512INT8U xdata protect_buffer[USED_BYTE_QTY_IN_ONE_SECTOR];#ifdef DEBUG_STC89C_LE58RD+ //STC89C58RD+, 89LE58RD+ #define DEBUG_AP_Memory_Begin_Sector_addr0x0000 #define DEBUG_AP_Memory_End_Sector_addr 0x7e00 #define DEBUG_AP_Memory_End_Byte_addr 0x7fff #define DEBUG_Data_Memory_Begin_Sector_addr 0x8000#endif#ifdef DEBUG_STC89C_LE52RC //STC89C52RC, 89LE52RC #define DEBUG_AP_Memory_Begin_Sector_addr0x0000 #define DEBUG_AP_Memory_End_Sector_addr0x1e00 #define DEBUG_AP_Memory_End_Byte_addr0x1fff #define DEBUG_Data_Memory_Begin_Sector_addr0x2000#endif/* 打開 ISP,IAP 功能 */void ISP_IAP_enable(void){EA=0;/* 關中斷 */ISP_CONTR=ISP_CONTR & 0x18; /* 0001,1000 */ISP_CONTR=ISP_CONTR | WAIT_TIME;ISP_CONTR=ISP_CONTR | 0x80; /* 1000,0000 */}/* 關閉 ISP,IAP 功能 */void ISP_IAP_disable(void){ISP_CONTR=ISP_CONTR & 0x7f;/* 0111,1111 */ISP_TRIG=0x00;EA= 1; /* 開中斷 */}/* 字節讀 */INT8U byte_read(INT16U byte_addr){ISP_ADDRH=(INT8U)(byte_addr >> 8);ISP_ADDRL=(INT8U)(byte_addr & 0x00ff);ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|READ_AP_and_Data_Memory_Command; /* 0000,0001 */ISP_IAP_enable();ISP_TRIG=0x46;ISP_TRIG=0xb9;_nop_();ISP_IAP_disable();return (ISP_DATA);}/* 扇區擦除 */INT8U sector_erase(INT16U sector_addr){INT16U get_sector_addr=0;get_sector_addr=(sector_addr & 0xfe00); /* 1111,1110,0000,0000; 取扇區地址 */ISP_ADDRH =(INT8U)(get_sector_addr >> 8);ISP_ADDRL =0x00;ISP_CMD=ISP_CMD&0xf8;/* 1111,1000 */ISP_CMD=ISP_CMD|SECTOR_ERASE_AP_and_Data_Memory_Command;/* 0000,0011 */ISP_IAP_enable();ISP_TRIG=0x46; /* 觸發ISP_IAP命令 */ISP_TRIG=0xb9; /* 觸發ISP_IAP命令 */ _nop_();ISP_IAP_disable();return OK;}/* 字節編程 */INT8U byte_program(INT16U byte_addr, INT8U original_data){ISP_ADDRH=(INT8U)(byte_addr >> 8);ISP_ADDRL=(INT8U)(byte_addr & 0x00ff);ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|PROGRAM_AP_and_Data_Memory_Command;/* 0000,0010 */ISP_DATA=original_data;ISP_IAP_enable();ISP_TRIG=0x46; /* 觸發ISP_IAP命令 */ISP_TRIG=0xb9; /* 觸發ISP_IAP命令 */_nop_();ISP_IAP_disable();returnOK;}/* 字節編程并校驗 */INT8U byte_program_and_verify(INT16U byte_addr, INT8U original_data){ISP_ADDRH=(INT8U)(byte_addr >> 8);ISP_ADDRL=(INT8U)(byte_addr & 0x00ff);ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|PROGRAM_AP_and_Data_Memory_Command;/* 0000,0010 */ISP_DATA=original_data;ISP_IAP_enable();ISP_TRIG=0x46;ISP_TRIG=0xb9;_nop_();ISP_DATA=0x00;ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|READ_AP_and_Data_Memory_Command; /* 0000,0001 */ISP_TRIG=0x46; /* 觸發ISP_IAP命令 */ISP_TRIG=0xb9; /* 觸發ISP_IAP命令 */_nop_();ISP_IAP_disable();if(ISP_DATA==original_data)returnOK;elsereturnERROR;}/* 寫數據進 數據Flash存儲器, 只在同一個扇區內寫，不保留原有數據*//* begin_addr,被寫數據Flash開始地址；counter,連續寫多少個字節； array[]，數據來源*/INT8U sequential_write_flash_in_one_sector(INT16U begin_addr, INT16U counter, INT8U array[]){INT16Ui=0;INT16Uin_sector_begin_addr=0;INT16Usector_addr=0;/* 判是否是有效范圍,此函數不允許跨扇區操作 */if(counter > USED_BYTE_QTY_IN_ONE_SECTOR)returnERROR;in_sector_begin_addr = begin_addr & 0x01ff; /* 0000,0001,1111,1111 */if( (in_sector_begin_addr + counter) > USED_BYTE_QTY_IN_ONE_SECTOR )return ERROR; /* 擦除 要修改/寫入 的扇區 */sector_addr=(begin_addr & 0xfe00);/* 1111,1110,0000,0000; 取扇區地址 */ISP_ADDRH=(INT8U)(sector_addr >> 8);ISP_ADDRL=0x00;ISP_CMD=ISP_CMD&0xf8;/* 1111,1000 */ISP_CMD=ISP_CMD|SECTOR_ERASE_AP_and_Data_Memory_Command;/* 0000,0011 */ISP_IAP_enable();ISP_TRIG=0x46; /* 觸發ISP_IAP命令 */ISP_TRIG=0xb9; /* 觸發ISP_IAP命令 */_nop_();for(i = 0; i< counter; i++){/* 寫一個字節 */ISP_ADDRH=(INT8U)(begin_addr >> 8);ISP_ADDRL=(INT8U)(begin_addr & 0x00ff);ISP_DATA=array[i];ISP_CMD=ISP_CMD&0xf8;/* 1111,1000 */ISP_CMD=ISP_CMD|PROGRAM_AP_and_Data_Memory_Command;/* 0000,0010 */ISP_TRIG=0x46;/* 觸發ISP_IAP命令 */ISP_TRIG=0xb9;/* 觸發ISP_IAP命令 */_nop_();/* 讀回來 */ISP_DATA=0x00;ISP_CMD=ISP_CMD&0xf8;/* 1111,1000 */ISP_CMD =ISP_CMD|READ_AP_and_Data_Memory_Command;/* 0000,0001 */ISP_TRIG=0x46;/* 觸發ISP_IAP命令 */ISP_TRIG=0xb9;/* 觸發ISP_IAP命令 */_nop_();/* 比較對錯 */if(ISP_DATA != array[i]){ISP_IAP_disable();return ERROR;} begin_addr++;}ISP_IAP_disable();returnOK;}/* 寫數據進數據Flash存儲器(EEPROM), 只在同一個扇區內寫，保留同一扇區中不需修改的數據*//* begin_addr,被寫數據Flash開始地址；counter,連續寫多少個字節； array[]，數據來源*/INT8U write_flash_with_protect_in_one_sector(INT16U begin_addr, INT16U counter, INT8U array[]){INT16Ui=0;INT16Uin_sector_begin_addr=0;INT16Usector_addr=0;INT16Ubyte_addr=0;/* 判是否是有效范圍,此函數不允許跨扇區操作 */if(counter > USED_BYTE_QTY_IN_ONE_SECTOR)return ERROR;in_sector_begin_addr = begin_addr & 0x01ff; /* 0000,0001,1111,1111 *//* 假定從扇區的第0個字節開始，到USED_BYTE_QTY_IN_ONE_SECTOR-1個字節結束,后面部分不用,程序易編寫*/if( (in_sector_begin_addr + counter) > USED_BYTE_QTY_IN_ONE_SECTOR )return ERROR;/* 將該扇區數據 0 - (USED_BYTE_QTY_IN_ONE_SECTOR-1) 字節數據讀入緩沖區保護 */sector_addr=(begin_addr & 0xfe00); /* 1111,1110,0000,0000; 取扇區地址*/byte_addr= sector_addr;/* 扇區地址為扇區首字節地址 */ISP_IAP_enable();for(i = 0; i < USED_BYTE_QTY_IN_ONE_SECTOR; i++){ISP_ADDRH=(INT8U)(byte_addr >> 8);ISP_ADDRL=(INT8U)(byte_addr & 0x00ff);ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|READ_AP_and_Data_Memory_Command;/* 0000,0001 */ISP_TRIG=0x46;ISP_TRIG=0xb9;_nop_();protect_buffer[i]=ISP_DATA;byte_addr++;}/* 將要寫入的數據寫入保護緩沖區的相應區域,其余部分保留 */for(i = 0; i < counter; i++){protect_buffer[in_sector_begin_addr] = array[i];in_sector_begin_addr++;}/* 擦除 要修改/寫入 的扇區 */ISP_ADDRH=(INT8U)(sector_addr >> 8);ISP_ADDRL=0x00;ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|SECTOR_ERASE_AP_and_Data_Memory_Command;/* 0000,0011 */ISP_TRIG=0x46; /* 觸發ISP_IAP命令 */ISP_TRIG=0xb9; /* 觸發ISP_IAP命令 */_nop_();/* 將保護緩沖區的數據寫入 Data Flash, EEPROM */byte_addr= sector_addr;/* 扇區地址為扇區首字節地址*/for(i = 0; i< USED_BYTE_QTY_IN_ONE_SECTOR; i++){/* 寫一個字節 */ISP_ADDRH=(INT8U)(byte_addr >> 8);ISP_ADDRL=(INT8U)(byte_addr & 0x00ff);ISP_DATA=protect_buffer[i];ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|PROGRAM_AP_and_Data_Memory_Command;/* 0000,0010 */ISP_TRIG=0x46; /* 觸發ISP_IAP命令 */ISP_TRIG=0xb9; /* 觸發ISP_IAP命令 */_nop_();/* 讀回來 */ISP_DATA=0x00;ISP_CMD=ISP_CMD&0xf8; /* 1111,1000 */ISP_CMD=ISP_CMD|READ_AP_and_Data_Memory_Command;/* 0000,0001 */ISP_TRIG=0x46; /* 觸發ISP_IAP命令 */ISP_TRIG=0xb9; /* 觸發ISP_IAP命令 */_nop_();/* 比較對錯 */if(ISP_DATA != protect_buffer[i]){ISP_IAP_disable();return ERROR; } byte_addr++;}ISP_IAP_disable();return OK;}/* 測試常量數組 */INT8U code Test_array_total[512] ={ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0, 0xef, 0xee, 0xed, 0xec, 0xeb, 0xea, 0xe9, 0xe8, 0xe7, 0xe6, 0xe5, 0xe4, 0xe3, 0xe2, 0xe1, 0xe0, 0xdf, 0xde, 0xdd, 0xdc, 0xdb, 0xda, 0xd9, 0xd8, 0xd7, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xd0, 0xcf, 0xce, 0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc8, 0xc7, 0xc6, 0xc5, 0xc4, 0xc3, 0xc2, 0xc1, 0xc0, 0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8, 0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0, 0xaf, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xa8, 0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xa0, 0x9f, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90, 0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80, 0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70, 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0x61, 0x60, 0x5f, 0x5e, 0x5d, 0x5c, 0x5b, 0x5a, 0x59, 0x58, 0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51, 0x50, 0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41, 0x40, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x33, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00};void display_Begin_LED(void){Begin_LED=0; /* Begin_LED on */}void off_Begin_LED(void){Begin_LED=1; /* Begin_LED off */}void display_OK_LED(void){OK_LED=0; /* OK_LED on */}void off_OK_LED(void){OK_LED=1; /* OK_LED off */}void display_ERROR_LED(void){ERROR_LED=0; /* ERROR_LED on */}void off_ERROR_LED(void){ERROR_LED=1; /* ERROR_LED off */}void delay(INT16U counter){INT16Utemp=0;for(temp = counter; temp>0; temp--){_nop_();_nop_();_nop_();}}void main(){//sbit Begin_LED=P1^0;//sbit ERROR_LED=P1^3;//sbit OK_LED=P1^7;display_Begin_LED();delay(DELAY_CONST);sector_erase(DEBUG_Data_Memory_Begin_Sector_addr);if(byte_program_and_verify(DEBUG_Data_Memory_Begin_Sector_addr,0x55) == OK)display_OK_LED();elsedisplay_ERROR_LED();/*if(sequential_write_flash_in_one_sector(DEBUG_Data_Memory_Begin_Sector_addr, USED_BYTE_QTY_IN_ONE_SECTOR, Test_array_total))display_OK_LED();elsedisplay_ERROR_LED();*//*if(write_flash_with_protect_in_one_sector(DEBUG_Data_Memory_Begin_Sector_addr+0x3, USED_BYTE_QTY_IN_ONE_SECTOR-0x30, Test_array_total))display_OK_LED();elsedisplay_ERROR_LED();*/while(1);} |
66821730(技術支持)
