?? stceeprom.c
字號:
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();
return OK;
}
/* 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[])
{
INT16U i = 0;
INT16U in_sector_begin_addr = 0;
INT16U sector_addr = 0;
INT16U byte_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)
{
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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