- STC90/89系列内部EEPROM测试程序(旧C语言版)
- /* --- STC International Limited ---------------- */
- /* --- 宏晶科技 姚永平 设计 2004/9/11 V1.0 --- */
- /* --- 宏晶科技 姚永平 设计 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 ----------------------- */
- /* --- 感谢网友2004/12/3的指正,送样品以示感谢 --- */
- #include <reg52.h>
- #include <intrins.h> /* use _nop_() function */
- //sfr16 DPTR = 0x82;
- /* 新增特殊功能寄存器定义 */
- sfr ISP_DATA = 0xe2;
- sfr ISP_ADDRH = 0xe3;
- sfr ISP_ADDRL = 0xe4;
- sfr ISP_CMD = 0xe5;
- sfr ISP_TRIG = 0xe6;
- sfr ISP_CONTR = 0xe7;
- /* 定义命令 */
- #define READ_AP_and_Data_Memory_Command 0x01 /* 字节读数据存储区 */
- #define PROGRAM_AP_and_Data_Memory_Command 0x02 /* 字节编程数据存储区 */
- #define SECTOR_ERASE_AP_and_Data_Memory_Command 0x03 /* 扇区擦除数据存储区 */
- typedef unsigned char INT8U; /* 8 bit 无符号整型 */
- typedef unsigned int INT16U; /* 16 bit 无符号整型 */
- #define DELAY_CONST 60000
- /* 定义常量 */
- #define ERROR 0
- #define OK 1
- sbit Begin_LED = P1^0;
- sbit ERROR_LED = P1^3;
- sbit OK_LED = P1^7;
- /* 定义Flash 操作等待时间 */
- #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
- /* 调试控制项 */
- //#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 512
- INT8U xdata protect_buffer[USED_BYTE_QTY_IN_ONE_SECTOR];
- #ifdef DEBUG_STC89C_LE58RD+ //STC89C58RD+, 89LE58RD+
- #define DEBUG_AP_Memory_Begin_Sector_addr 0x0000
- #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_addr 0x0000
- #define DEBUG_AP_Memory_End_Sector_addr 0x1e00
- #define DEBUG_AP_Memory_End_Byte_addr 0x1fff
- #define DEBUG_Data_Memory_Begin_Sector_addr 0x2000
- #endif
- /* 打开 ISP,IAP 功能 */
- void ISP_IAP_enable(void)
- {
- EA = 0; /* 关中断 */
- ISP_CONTR = ISP_CONTR & 0x18; /* 0001,1000 */
- ISP_CONTR = ISP_CONTR | WAIT_TIME;
- ISP_CONTR = ISP_CONTR | 0x80; /* 1000,0000 */
- }
- /* 关闭 ISP,IAP 功能 */
- void ISP_IAP_disable(void)
- {
- ISP_CONTR = ISP_CONTR & 0x7f; /* 0111,1111 */
- ISP_TRIG = 0x00;
- EA = 1; /* 开中断 */
- }
- /* 字节读 */
- 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);
- }
- /* 扇区擦除 */
- INT8U sector_erase(INT16U sector_addr)
- {
- INT16U get_sector_addr = 0;
- get_sector_addr = (sector_addr & 0xfe00); /* 1111,1110,0000,0000; 取扇区地址 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- ISP_IAP_disable();
- return OK;
- }
- /* 字节编程 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- ISP_IAP_disable();
- return OK;
- }
- /* 字节编程并校验 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- ISP_IAP_disable();
- if(ISP_DATA == original_data)
- return OK;
- else
- return ERROR;
- }
- /* 写数据进 数据Flash存储器, 只在同一个扇区内写,不保留原有数据 */
- /* begin_addr,被写数据Flash开始地址;counter,连续写多少个字节; array[],数据来源 */
- INT8U sequential_write_flash_in_one_sector(INT16U begin_addr, INT16U counter, INT8U array[])
- {
- INT16U i = 0;
- INT16U in_sector_begin_addr = 0;
- INT16U sector_addr = 0;
- /* 判是否是有效范围,此函数不允许跨扇区操作 */
- if(counter > USED_BYTE_QTY_IN_ONE_SECTOR)
- return ERROR;
- 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/写入 的扇区 */
- sector_addr = (begin_addr & 0xfe00); /* 1111,1110,0000,0000; 取扇区地址 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- for(i = 0; i< counter; i++)
- {
- /* 写一个字节 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- /* 读回来 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- /* 比较对错 */
- if(ISP_DATA != array[i])
- {
- ISP_IAP_disable();
- return ERROR;
- }
- begin_addr++;
- }
- ISP_IAP_disable();
- return OK;
- }
- /* 写数据进数据Flash存储器(EEPROM), 只在同一个扇区内写,保留同一扇区中不需修改的数据 */
- /* begin_addr,被写数据Flash开始地址;counter,连续写多少个字节; array[],数据来源 */
- INT8U write_flash_with_protect_in_one_sector(INT16U begin_addr, INT16U counter, INT8U array[])
- {
- INT16U i = 0;
- INT16U in_sector_begin_addr = 0;
- INT16U sector_addr = 0;
- INT16U byte_addr = 0;
- /* 判是否是有效范围,此函数不允许跨扇区操作 */
- if(counter > USED_BYTE_QTY_IN_ONE_SECTOR)
- return ERROR;
- in_sector_begin_addr = begin_addr & 0x01ff; /* 0000,0001,1111,1111 */
- /* 假定从扇区的第0个字节开始,到USED_BYTE_QTY_IN_ONE_SECTOR-1个字节结束,后面部分不用,程序易编写 */
- if( (in_sector_begin_addr + counter) > USED_BYTE_QTY_IN_ONE_SECTOR )
- return ERROR;
- /* 将该扇区数据 0 - (USED_BYTE_QTY_IN_ONE_SECTOR-1) 字节数据读入缓冲区保护 */
- sector_addr = (begin_addr & 0xfe00); /* 1111,1110,0000,0000; 取扇区地址 */
- byte_addr = sector_addr; /* 扇区地址为扇区首字节地址 */
- 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++;
- }
- /* 将要写入的数据写入保护缓冲区的相应区域,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/写入 的扇区 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- /* 将保护缓冲区的数据写入 Data Flash, EEPROM */
- byte_addr = sector_addr; /* 扇区地址为扇区首字节地址 */
- for(i = 0; i< USED_BYTE_QTY_IN_ONE_SECTOR; i++)
- {
- /* 写一个字节 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- /* 读回来 */
- 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; /* 触发ISP_IAP命令 */
- ISP_TRIG = 0xb9; /* 触发ISP_IAP命令 */
- _nop_();
- /* 比较对错 */
- if(ISP_DATA != protect_buffer[i])
- {
- ISP_IAP_disable();
- return ERROR;
- }
- byte_addr++;
- }
- ISP_IAP_disable();
- return OK;
- }
- /* 测试常量数组 */
- 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)
- {
- INT16U temp = 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();
- else
- display_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();
- else
- display_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();
- else
- display_ERROR_LED();
- */
- while(1);
- }
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