bool PersistentStore::access_finish() {
if (eeprom_dirty) {
IAP_STATUS_CODE status;
if (--current_slot < 0) {
// all slots have been used, erase everything and start again
__disable_irq();
status = EraseSector(EEPROM_SECTOR, EEPROM_SECTOR);
__enable_irq();
current_slot = EEPROM_SLOTS - 1;
}
__disable_irq();
status = CopyRAM2Flash(SLOT_ADDRESS(EEPROM_SECTOR, current_slot), ram_eeprom, IAP_WRITE_4096);
__enable_irq();
if (status != CMD_SUCCESS) return false;
eeprom_dirty = false;
}
return true;
}
/* Function to do the read/write to USB Disk */
bool USB_ReadWriteFile(void)
{
FRESULT rc; /* Result code */
UINT br;
uint32_t *address = USER_FLASH_START;
uint16_t i = 0;
if(f_mount(&fatFS, "0:", 1) != FR_OK)
{
PRINTDBG("\nUnable to mount pendrive."); /* First... Mounting USB Unit. */
return(false);
}
if (f_open(&fileObj, "0:firmware.bin", FA_READ) != FR_OK)
{
PRINTDBG("\nUnable to open firmware.bin from USB.");
return(false);
}
/* LED's ON. */
LEDPORT->FIOPIN &= ~(1 << LEDPORTPIN);
PRINTDBG("\nReading firmware.bin from USB.");
for (;;)
{
/* Clear Buffer. */
for(i = 0; i < _MIN_SS; i++) buffer[i] = 0;
/* Read a chunk of file */
rc = f_read(&fileObj, &buffer, sizeof(buffer), &br);
if (rc || !br)
{
break; /* Error or end of file */
}
if(address == (uint32_t *)USER_FLASH_START)
{
uint32_t checksum = 0;
uint32_t *tmpptr;
tmpptr = (uint32_t *)&buffer[0];
for (i = 0; i < 8; i++)
{
checksum += *tmpptr;
tmpptr++;
}
if (checksum != 0)
{
rc = 1;
PRINTDBG("\nChecksum Error.");
return(false);
}
PRINTDBG("\nChecksum Valid.");
}
/* */
__disable_irq();
for(i = USER_START_SECTOR; i <= MAX_USER_SECTOR; i++)
{
if(address < sector_end_map[i])
{
if(address == sector_start_map[i])
{
EraseSector(i,i);
}
break;
}
}
//
if(CopyRAM2Flash((uint8_t *)address, &buffer[0], FLASH_BUF_SIZE) != CMD_SUCCESS)
{
return(false); /* No way to recover. Just let Windows report a write failure */
}
//
#if DEBUG
printf("\n%d bytes writed in %#08x.", br, address);
#endif
address += (FLASH_BUF_SIZE / sizeof(uint32_t));
__enable_irq();
}
if (f_close(&fileObj) != FR_OK)
{
PRINTDBG("\nError to close file.");
return(false);
}
PRINTDBG("\nClose the file.");
USB_Host_SetDeviceConfiguration(FlashDisk_MS_Interface.Config.PortNumber, 0);
PRINTDBG("\nFlash userdata updated.");
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);
}
