Posted on August 22, 2017 at 08:53I'm use STM8L152R8.
I should be firmware upgrade using this cpu.
But, I have some problem as below...
Byte programming and word programming is no problem as below
FLASH->CR1 = 0; // Standard programming Time (EEPM, WAITM, IE Clear)
FLASH->DUKR = FLASH_RASS_KEY2; // Unlock Flash Data
FLASH->DUKR = FLASH_RASS_KEY1;
while ((FLASH->IAPSR & FLASH_IAPSR_DUL) == 0); // Wait Data EEPROM are unlock
...
[Byte Programmin]
for (ulAddr = ulStartAddr; ulAddr < ulEndAddr; ulAddr++)
*((PointerAttr u8*) (MemoryAddressCast)ulAddr) = *i_pData++;
[Word programming]
FLASH->CR2 |= FLASH_CR2_WPRG;
for (ulAddr = ulStartAddr; ulAddr < ulEndAddr; ulAddr += 4) // All write Size
{
*((PointerAttr u8*)(MemoryAddressCast)ulAddr) = *i_pData++;
*(((PointerAttr u8*)(MemoryAddressCast)ulAddr) + 1) = *i_pData++;
*(((PointerAttr u8*)(MemoryAddressCast)ulAddr) + 2) = *i_pData++;
*(((PointerAttr u8*)(MemoryAddressCast)ulAddr) + 3) = *i_pData++;
}
...
FLASH->IAPSR &= ~FLASH_IAPSR_DUL; // Flash Lock
But, I should be use block programming because byte and word programming is too slow..
I use this code... But always cpu stop..... (I use this function execute memory)
FLASH->CR2 |= FLASH_CR2_PRG;
for (ulAddr = ulStartAddr; ulAddr < ulEndAddr; ulAddr++)
*((PointerAttr u8*) (MemoryAddressCast)ulAddr) = *i_pData++;
Please help me...
