diff options
Diffstat (limited to 'tmk_core')
| -rwxr-xr-x | tmk_core/common/chibios/eeprom_stm32.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/tmk_core/common/chibios/eeprom_stm32.c b/tmk_core/common/chibios/eeprom_stm32.c index a15430d67..17d38af6a 100755 --- a/tmk_core/common/chibios/eeprom_stm32.c +++ b/tmk_core/common/chibios/eeprom_stm32.c @@ -75,17 +75,13 @@ uint16_t EEPROM_WriteDataByte (uint16_t Address, uint8_t DataByte) { } // calculate which page is affected (Pagenum1/Pagenum2...PagenumN) - page = (FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address)) & 0x00000FFF; - - if (page % FEE_PAGE_SIZE) page = page + FEE_PAGE_SIZE; - page = (page / FEE_PAGE_SIZE) - 1; + page = FEE_ADDR_OFFSET(Address) / FEE_PAGE_SIZE; // if current data is 0xFF, the byte is empty, just overwrite with the new one if ((*(__IO uint16_t*)(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address))) == FEE_EMPTY_WORD) { FlashStatus = FLASH_ProgramHalfWord(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address), (uint16_t)(0x00FF & DataByte)); - } - else { + } else { // Copy Page to a buffer memcpy(DataBuf, (uint8_t*)FEE_PAGE_BASE_ADDRESS + (page * FEE_PAGE_SIZE), FEE_PAGE_SIZE); // !!! Calculate base address for the desired page @@ -96,18 +92,17 @@ uint16_t EEPROM_WriteDataByte (uint16_t Address, uint8_t DataByte) { } // manipulate desired data byte in temp data array if new byte is differ to the current - DataBuf[FEE_ADDR_OFFSET(Address)] = DataByte; + DataBuf[FEE_ADDR_OFFSET(Address) % FEE_PAGE_SIZE] = DataByte; //Erase Page - FlashStatus = FLASH_ErasePage(FEE_PAGE_BASE_ADDRESS + page); + FlashStatus = FLASH_ErasePage(FEE_PAGE_BASE_ADDRESS + (page * FEE_PAGE_SIZE)); - // Write new data (whole page) to flash if data has beed changed + // Write new data (whole page) to flash if data has been changed for(i = 0; i < (FEE_PAGE_SIZE / 2); i++) { if ((__IO uint16_t)(0xFF00 | DataBuf[FEE_ADDR_OFFSET(i)]) != 0xFFFF) { FlashStatus = FLASH_ProgramHalfWord((FEE_PAGE_BASE_ADDRESS + (page * FEE_PAGE_SIZE)) + (i * 2), (uint16_t)(0xFF00 | DataBuf[FEE_ADDR_OFFSET(i)])); } } - } return FlashStatus; } @@ -168,7 +163,7 @@ void eeprom_update_word (uint16_t *Address, uint16_t Value) uint32_t eeprom_read_dword (const uint32_t *Address) { const uint16_t p = (const uint32_t) Address; - return EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p+1) << 8) + return EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p+1) << 8) | (EEPROM_ReadDataByte(p+2) << 16) | (EEPROM_ReadDataByte(p+3) << 24); } |