/**
* @brief How to Read / Write / Erase one Byte on FLASH memory.
* @par Examples description
* - Read one byte at address 0x40A5
* - Write its complement value at adress + 1
* - Check programed value
* - Erase 2 byte (address 40A5 & 40A6)
* - Check the 2 bytes value is 0x00.
* @param None
* @retval None
*/
void main(void)
{
uint8_t val = 0x00, val_comp = 0x00;
uint32_t add = 0x00;
/* Define FLASH programming time */
FLASH_SetProgrammingTime(FLASH_PROGRAMTIME_STANDARD);
/* Unlock Data memory */
FLASH_Unlock(FLASH_MEMTYPE_DATA);
/* Read a byte at a specified address */
add = 0x40A5;
val = FLASH_ReadByte(add);
/* Program complement value (of previous read byte) at previous address + 1 */
val_comp = (uint8_t)(~val);
FLASH_ProgramByte((add + 1), val_comp);
/* Check program action */
val = FLASH_ReadByte((add + 1));
if (val != val_comp)
{
/* Error */
OperationStatus = FAILED;
/* OperationStatus = PASSED, if the data written/read to/from DATA EEPROM memory is correct */
/* OperationStatus = FAILED, if the data written/read to/from DATA EEPROM memory is corrupted */
while (1)
{
}
}
/* Erase byte at a specified address & address + 1 */
FLASH_EraseByte(add);
FLASH_EraseByte((add + 1));
/* Erase action */
val = FLASH_ReadByte(add);
val_comp = FLASH_ReadByte((add + 1));
if ((val != 0x00) & (val_comp != 0x00))
{
/* Error */
OperationStatus = FAILED;
/* OperationStatus = PASSED, if the data written/read to/from DATA EEPROM memory is correct */
/* OperationStatus = FAILED, if the data written/read to/from DATA EEPROM memory is corrupted */
while (1)
{
}
}
/* Pass */
OperationStatus = PASSED;
/* OperationStatus = PASSED, if the data written/read to/from DATA EEPROM memory is correct */
/* OperationStatus = FAILED, if the data written/read to/from DATA EEPROM memory is corrupted */
while (1)
{
}
}
void BTN1_Released()
{
if(BTN1_press_timer < BTN1_DELETE_ID_THR)
{
/* Button press was shorter than 3 seconds */
if(!LrnModeActive)
{
if(Receivers.NumLrndRcv < MAX_NUM_RECEIVERS)
{
LrnModeActive = TRUE;
BLINK_GREENLED(255);
}
else
{
BLINK_REDLED(2);
}
}
else
{
LrnModeActive = FALSE;
BLINKSTOP_GREENLED;
}
}
else
{
/* Button press was longer than 3 seconds */
u8 i;
u8* adr;
LED_RED_ON;
flash_erase_timing_test = 1;
FLASH_Unlock(FLASH_MemType_Program);
adr = (u8*)&Receivers;
for(i = 0; i < sizeof(Receivers); i++)
{
FLASH_EraseByte((u16)(adr++));
}
FLASH_Lock(FLASH_MemType_Program);
flash_erase_timing_test = 2;
/* Check if erase was successfull */
Errors_ResetError(ERROR_FLASH_ERASE);
adr = (u8*)&Receivers;
for(i = 0; i < sizeof(Receivers); i++)
{
if(*(adr++))
{
Errors_SetError(ERROR_FLASH_ERASE);
break;
}
}
flash_erase_timing_test = 3;
LED_OFF;
}
BTN1_press_timer = 0;
}
void write_array_to_eeprom(uint32_t addr,uint8_t* array)
{
uint8_t i = 0;
while(array[i] != '\0')
{
FLASH_EraseByte(addr);
FLASH_ProgramByte((addr),array[i]);
addr++;
i++;
}
}
