FlashBrushHAL.c
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#include "FlashBrushHAL.h"
static uint32_t sectStartAddrF405[13] =
{
0x08000000, // 0
0x08004000, // 1
0x08008000, // 2
0x0800c000, // 3
0x08010000, // 4
0x08020000, // 5
0x08040000, // 6
0x08060000, // 7
0x08080000, // 8
0x080a0000, // 9
0x080c0000, // 10
0x080e0000, // 11
0x08100000};
uint8_t FlashBrush_ReadBtye(uint32_t addr)
{
uint32_t data = *(vu32 *)(addr);
return data;
}
uint16_t FlashBrush_ReadHalfWord(uint32_t addr)
{
uint32_t data = *(vu32 *)(addr);
return data;
}
uint32_t FlashBrush_ReadWord(uint32_t addr)
{
uint32_t data = *(vu32 *)(addr);
return data;
}
// 获取Sector的编号
static int GetSectorFromAddress(uint32_t address)
{
int sect, i;
if (address < 0x08000000 || address > 0x080FFFFF)
return -1;
for (i = 0; i < 12; i++)
{
if (address >= sectStartAddrF405[i] && address < sectStartAddrF405[i + 1])
{
sect = i;
break;
}
}
return sect;
}
// flash页擦除
uint32_t FlashBrush_EraseSingleSector(uint32_t startAddress)
{
uint32_t startSector;
uint32_t PageError;
FLASH_EraseInitTypeDef pEraseInit; // 闪存擦除结构体
uint32_t ret;
/* Unlock the Flash to enable the flash control register access *************/
HAL_FLASH_Unlock(); // 解锁flash
/* Clear pending flags (if any) */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
/* Get the sector where start the user flash area */
startSector = GetSectorFromAddress(startAddress);
pEraseInit.Sector = startSector;
pEraseInit.NbSectors = 1;
pEraseInit.Banks = FLASH_BANK_1;
if (HAL_FLASHEx_Erase(&pEraseInit, &PageError) != HAL_OK)
{ // 执行擦除
/* Error occurred while page erase */
ret = FLASHBRUSH_STA_ERASE_ERR;
goto out;
}
ret = FLASHBRUSH_STA_OK;
out:
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
HAL_FLASH_Lock();
return ret;
}
uint32_t FlashBrush_Program_Direct(uint32_t typeprogram, uint32_t startADDR, void *data, uint32_t data_len)
{
if (startADDR < FLASHBRUSH_BASE_ADDR || startADDR > FLASHBRUSH_BASE_ADDR_END)
return -1;
volatile HAL_StatusTypeDef FLASHStatus;
uint8_t k = 0;
uint32_t Address;
uint32_t TypeProgram = FLASHBRUSH_TYPEPROGRAM_WORD;
uint32_t programPreGrow = 0;
if (typeprogram = FLASHBRUSH_TYPEPROGRAM_BYTE)
{
TypeProgram = FLASH_TYPEPROGRAM_BYTE;
programPreGrow = sizeof(uint8_t);
}
if (typeprogram = FLASHBRUSH_TYPEPROGRAM_HALFWORD)
{
TypeProgram = FLASH_TYPEPROGRAM_HALFWORD;
programPreGrow = sizeof(uint16_t);
}
if (typeprogram = FLASHBRUSH_TYPEPROGRAM_WORD)
{
TypeProgram = FLASH_TYPEPROGRAM_WORD;
programPreGrow = sizeof(uint32_t);
}
else
{
return FLASHBRUSH_STA_INPUTERR;
}
FlashBrush_EraseSingleSector(startADDR);
Address = startADDR;
HAL_FLASH_Unlock(); // 解锁
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
for (k = 0; k < data_len; k++)
{
switch (TypeProgram)
{
case FLASH_TYPEPROGRAM_BYTE:
HAL_FLASH_Program(TypeProgram, Address, ((uint8_t *)data)[k]);
break;
case FLASH_TYPEPROGRAM_HALFWORD:
HAL_FLASH_Program(TypeProgram, Address, ((uint16_t *)data)[k]);
break;
case FLASH_TYPEPROGRAM_WORD:
HAL_FLASH_Program(TypeProgram, Address, ((uint16_t *)data)[k]);
break;
default:
break;
}
Address = Address + programPreGrow; // 地址偏移4个字节
}
HAL_FLASH_Lock(); // 重新上锁，防止误写入
return FLASHBRUSH_STA_ERASE_ERR;
}
// uint8_t EEPROM_FLASH_Program_Direct( uint32_t startADDR , int32_t* data , uint32_t data_len ){
// if( startADDR < 0x08000000 || startADDR > 0x080FFFFF )
// return -1;
// volatile HAL_StatusTypeDef FLASHStatus;
// uint8_t k=0;
// uint32_t Address;
// FlashBrush_EraseSingleSector(startADDR);
// Address = startADDR;
// HAL_FLASH_Unlock();//解锁
// __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
// for(k=0;k<data_len;k++)
// {
// HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,Address, data[k]);//写入一个字（32位）的数据入指定地址
// Address = Address + 4;//地址偏移4个字节
// // printf("________________write %d word ok\r\n",k);
// }
// HAL_FLASH_Lock();//重新上锁，防止误写入
// return 1;
// }
// uint8_t EEPROM_FLASH_Program( uint32_t startADDR , int32_t* data , uint32_t data_len ){
// if( startADDR < 0x08000000 || startADDR > 0x080FFFFF )
// return -1;
// volatile HAL_StatusTypeDef FLASHStatus;
// uint8_t k=0;
// uint32_t Address;
// FlashBrush_EraseSingleSector(startADDR);
// Address = startADDR;
// HAL_FLASH_Unlock();//解锁
// __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
// for(k=0;k<data_len;k++)
// {
// HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,Address, data[k]);//写入一个字（32位）的数据入指定地址
// Address = Address + 4;//地址偏移4个字节
// // printf("________________write %d word ok\r\n",k);
// }
// HAL_FLASH_Lock();//重新上锁，防止误写入
// return 1;
// }