bool PersistentStore::access_start() {
uint32_t first_nblank_loc, first_nblank_val;
IAP_STATUS_CODE status;
// discover which slot we are currently using.
__disable_irq();
status = BlankCheckSector(EEPROM_SECTOR, EEPROM_SECTOR, &first_nblank_loc, &first_nblank_val);
__enable_irq();
if (status == CMD_SUCCESS) {
// sector is blank so nothing stored yet
for (int i = 0; i < EEPROM_SIZE; i++) ram_eeprom[i] = EEPROM_ERASE;
current_slot = EEPROM_SLOTS;
} else {
// current slot is the first non blank one
current_slot = first_nblank_loc / EEPROM_SIZE;
uint8_t *eeprom_data = SLOT_ADDRESS(EEPROM_SECTOR, current_slot);
// load current settings
for (int i = 0; i < EEPROM_SIZE; i++) ram_eeprom[i] = eeprom_data[i];
}
eeprom_dirty = false;
return true;
}
/*********************************************************************//**
* @brief The entry of the program
*
* @param[in]None
*
* @return None.
*
**********************************************************************/
void c_entry (void)
{
uint32_t result[4];
uint8_t ver_major, ver_minor;
uint32_t i;
uint8_t *ptr;
uint32_t flash_prog_area_sec_start;
uint32_t flash_prog_area_sec_end;
IAP_STATUS_CODE status;
// Initialize
debug_frmwrk_init();
for (i = 0;i < sizeof(buffer);i++)
{
buffer[i] = (uint8_t)i;
}
flash_prog_area_sec_start = GetSecNum(FLASH_PROG_AREA_START);
flash_prog_area_sec_end = GetSecNum(FLASH_PROG_AREA_START + FLASH_PROG_AREA_SIZE);
_DBG_(menu);
status = ReadPartID(result);
if(status != CMD_SUCCESS)
{
_DBG("Read Part ID failed with code is ");_DBD(status);_DBG_("");
while(1);
}
_DBG("PartID: ");_DBH32(result[0]);_DBG_("");
status = ReadBootCodeVer(&ver_major, &ver_minor);
if(status != CMD_SUCCESS)
{
_DBG("Read Boot Code Version failed with code is ");_DBD(status);_DBG_("");
while(1);
}
_DBG("Boot Code Version: ");_DBD(ver_major);_DBG(".");_DBD(ver_minor);_DBG_("");
status = ReadDeviceSerialNum(result);
if(status != CMD_SUCCESS)
{
_DBG("Read UID failed with code is ");_DBD(status);_DBG_("");
while(1);
}
_DBG("UID: ");
for(i = 0; i < 4; i++)
{
_DBD32(result[i]);
if(i<3)
_DBG("-");
}
_DBG_("");
status = EraseSector(flash_prog_area_sec_start, flash_prog_area_sec_end);
if(status != CMD_SUCCESS)
{
_DBG("Erase chip failed with code is ");_DBD(status);_DBG_("");
while(1);
}
status = BlankCheckSector(flash_prog_area_sec_start, flash_prog_area_sec_end,
&result[0], &result[1]);
if(status != CMD_SUCCESS)
{
_DBG("Blank Check failed with code is ");_DBD(status);_DBG_("");
if(status == SECTOR_NOT_BLANK)
{
_DBG(">>>>The first non-blank sector is sector ");
_DBD(flash_prog_area_sec_start + result[0]);
_DBG_("");
}
while(1);
}
_DBG_("Erase chip: Success");
/* Be aware that Program and ErasePage take long time to complete!!! If bigger
RAM is present, allocate big buffer and reduce the number of Program blocks. */
/* Program flash block by block until the end of the flash. */
for ( i = 0; i < FLASH_PROG_AREA_SIZE/BUFF_SIZE; i++ )
{
ptr = (uint8_t*)(FLASH_PROG_AREA_START + i*BUFF_SIZE);
status = CopyRAM2Flash(ptr, buffer,IAP_WRITE_1024);
if(status != CMD_SUCCESS)
{
_DBG("Program chip failed with code is ");_DBD(status);_DBG_("");
while(1);
}
}
// Compare
for ( i = 0; i < FLASH_PROG_AREA_SIZE/BUFF_SIZE; i++ )
{
ptr = (uint8_t*)(FLASH_PROG_AREA_START + i*BUFF_SIZE);
status = Compare(ptr, buffer,BUFF_SIZE);
if(status != CMD_SUCCESS)
{
_DBG("Compare memory failed with code is ");_DBD(status);_DBG_("");
while(1);
}
}
_DBG_("Program chip: Success");
_DBG_("Demo termination");
while (1);
}
