uint8_t xboot_write_user_signature_row(uint8_t *data)
{
uint8_t saved_status = SREG;
cli();
Flash_LoadFlashPage(data);
Flash_EraseUserSignatureRow();
Flash_WaitForSPM();
Flash_WriteUserSignatureRow();
Flash_WaitForSPM();
NVM_CMD = NVM_CMD_NO_OPERATION_gc;
SREG = saved_status;
return XB_SUCCESS;
}
void Flash_ProgramPage(uint32_t page, uint8_t *buf, uint8_t erase)
{
Flash_LoadFlashPage(buf);
if (erase)
{
Flash_EraseWriteApplicationPage(page);
}
else
{
Flash_WriteApplicationPage(page);
}
Flash_WaitForSPM();
}
// Higher level firmware update functions
uint8_t xboot_app_temp_erase(void)
{
uint8_t saved_status = SREG;
cli();
for (uint32_t addr = XB_APP_TEMP_START; addr < XB_APP_TEMP_END; addr += SPM_PAGESIZE)
{
Flash_EraseApplicationPage(addr);
Flash_WaitForSPM();
}
#ifdef __AVR_XMEGA__
NVM_CMD = NVM_CMD_NO_OPERATION_gc;
#endif // __AVR_XMEGA__
SREG = saved_status;
return XB_SUCCESS;
}
uint8_t xboot_erase_application_page(uint32_t address)
{
uint8_t saved_status = SREG;
if (address > BOOT_SECTION_START)
return XB_INVALID_ADDRESS;
cli();
Flash_EraseApplicationPage(address);
Flash_WaitForSPM();
#ifdef __AVR_XMEGA__
NVM_CMD = NVM_CMD_NO_OPERATION_gc;
#endif // __AVR_XMEGA__
SREG = saved_status;
return XB_SUCCESS;
}
