// Reprogram the new settings if flash writing is allowed
static void program_cfg(cfg_setting_t *new_cfg)
{
uint32_t status;
uint32_t addr;
cortex_int_state_t state;
addr = (uint32_t)&config_rom;
state = cortex_int_get_and_disable();
status = EraseSector(addr);
cortex_int_restore(state);
if (status != 0) {
return;
}
memset(write_buffer, 0xFF, sizeof(write_buffer));
memcpy(write_buffer, new_cfg, sizeof(cfg_setting_t));
state = cortex_int_get_and_disable();
status = ProgramPage(addr, sizeof(write_buffer), write_buffer);
cortex_int_restore(state);
if (0 != status) {
return;
}
}
void read_unique_id(uint32_t *id)
{
#if defined(INTERNAL_FLASH)
cortex_int_state_t local_state = cortex_int_get_and_disable();
// readUID IAP call
IAP iap_entry = (IAP)IAP_LOCATION;
command[0] = 58;
iap_entry(command, result);
*id = result[1] ^ result[2] ^ result[3] ^ result[4];
cortex_int_restore(local_state);
#else
// IAP commands are only supported for parts with on-chip flash.
(void)command;
(void)result;
*id = 0xdeadbeef;
#endif
}
void create_unique_id(void){
cortex_int_state_t state;
state = cortex_int_get_and_disable();
EFC0->EEFC_FMR |= (1UL << 16);
EFC0->EEFC_FCR = 0x5A00000E;
/*Monitor FRDY*/
while ((EFC0->EEFC_FSR & EEFC_FSR_FRDY) == EEFC_FSR_FRDY);
unique_id[0] = *(uint32_t *)0x80000;
unique_id[1] = *(uint32_t *)0x80004;
unique_id[2] = *(uint32_t *)0x80008;
unique_id[3] = *(uint32_t *)0x8000C;
EFC0->EEFC_FCR = 0x5A00000F;
/*Monitor FRDY*/
while ((EFC0->EEFC_FSR & EEFC_FSR_FRDY) != EEFC_FSR_FRDY);
cortex_int_restore(state);
}
