void bootloader_dfu_update_process(dfu_update_status_t update_status)
{
static bootloader_settings_t settings;
const bootloader_settings_t * p_bootloader_settings;
bootloader_util_settings_get(&p_bootloader_settings);
if (update_status.status_code == DFU_UPDATE_COMPLETE)
{
settings.bank_0_crc = update_status.app_crc;
settings.bank_0_size = update_status.app_size;
settings.bank_0 = BANK_VALID_APP;
settings.bank_1 = BANK_INVALID_APP;
m_update_status = BOOTLOADER_SETTINGS_SAVING;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_TIMEOUT)
{
// Timeout has occurred. Close the connection with the DFU Controller.
uint32_t err_code = dfu_transport_close();
APP_ERROR_CHECK(err_code);
m_update_status = BOOTLOADER_TIMEOUT;
}
else if (update_status.status_code == DFU_BANK_0_ERASED)
{
settings.bank_0_crc = 0;
settings.bank_0_size = 0;
settings.bank_0 = BANK_ERASED;
settings.bank_1 = p_bootloader_settings->bank_1;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_BANK_1_ERASED)
{
settings.bank_0 = p_bootloader_settings->bank_0;
settings.bank_0_crc = p_bootloader_settings->bank_0_crc;
settings.bank_0_size = p_bootloader_settings->bank_0_size;
settings.bank_1 = BANK_ERASED;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_RESET)
{
// Timeout has occurred. Close the connection with the DFU Controller.
uint32_t err_code = dfu_transport_close();
APP_ERROR_CHECK(err_code);
m_update_status = BOOTLOADER_RESET;
}
else
{
// No implementation needed.
}
}
uint32_t bootloader_dfu_start(void)
{
uint32_t err_code = NRF_SUCCESS;
err_code = dfu_init();
if (err_code != NRF_SUCCESS)
{
return err_code;
}
err_code = dfu_transport_update_start();
wait_for_events();
err_code = dfu_transport_close();
return err_code;
}
void bootloader_dfu_update_process(dfu_update_status_t update_status)
{
static bootloader_settings_t settings;
const bootloader_settings_t * p_bootloader_settings;
bootloader_util_settings_get(&p_bootloader_settings);
if (update_status.status_code == DFU_UPDATE_APP_COMPLETE)
{
settings.bank_0_crc = update_status.app_crc;
settings.bank_0_size = update_status.app_size;
settings.bank_0 = BANK_VALID_APP;
settings.bank_1 = BANK_INVALID_APP;
m_update_status = BOOTLOADER_SETTINGS_SAVING;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_UPDATE_SD_COMPLETE)
{
settings.bank_0_crc = update_status.app_crc;
settings.bank_0_size = update_status.sd_size +
update_status.bl_size +
update_status.app_size;
settings.bank_0 = BANK_VALID_SD;
settings.bank_1 = BANK_INVALID_APP;
settings.sd_image_size = update_status.sd_size;
settings.bl_image_size = update_status.bl_size;
settings.app_image_size = update_status.app_size;
settings.sd_image_start = update_status.sd_image_start;
m_update_status = BOOTLOADER_SETTINGS_SAVING;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_UPDATE_BOOT_COMPLETE)
{
settings.bank_0 = p_bootloader_settings->bank_0;
settings.bank_0_crc = p_bootloader_settings->bank_0_crc;
settings.bank_0_size = p_bootloader_settings->bank_0_size;
settings.bank_1 = BANK_VALID_BOOT;
settings.sd_image_size = update_status.sd_size;
settings.bl_image_size = update_status.bl_size;
settings.app_image_size = update_status.app_size;
settings.bl_image_start = CODE_REGION_1_START;
m_update_status = BOOTLOADER_SETTINGS_SAVING;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_UPDATE_SD_SWAPPED)
{
if (p_bootloader_settings->bank_0 == BANK_VALID_SD)
{
settings.bank_0_crc = 0;
settings.bank_0_size = 0;
settings.bank_0 = BANK_INVALID_APP;
}
// This handles cases where SoftDevice was not updated, hence bank0 keeps its settings.
else
{
settings.bank_0 = p_bootloader_settings->bank_0;
settings.bank_0_crc = p_bootloader_settings->bank_0_crc;
settings.bank_0_size = p_bootloader_settings->bank_0_size;
}
settings.bank_1 = BANK_INVALID_APP;
settings.sd_image_size = 0;
settings.bl_image_size = 0;
settings.app_image_size = 0;
m_update_status = BOOTLOADER_SETTINGS_SAVING;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_TIMEOUT)
{
// Timeout has occurred. Close the connection with the DFU Controller.
uint32_t err_code = dfu_transport_close();
APP_ERROR_CHECK(err_code);
m_update_status = BOOTLOADER_TIMEOUT;
}
else if (update_status.status_code == DFU_BANK_0_ERASED)
{
settings.bank_0_crc = 0;
settings.bank_0_size = 0;
settings.bank_0 = BANK_INVALID_APP;
settings.bank_1 = p_bootloader_settings->bank_1;
bootloader_settings_save(&settings);
}
else if (update_status.status_code == DFU_RESET)
{
m_update_status = BOOTLOADER_RESET;
}
else
{
// No implementation needed.
}
}
/**@brief Function for the Device Firmware Update Service event handler.
*
* @details This function will be called for all Device Firmware Update Service events which
* are passed to the application.
*
* @param[in] p_dfu Device Firmware Update Service structure.
* @param[in] p_evt Event received from the Device Firmware Update Service.
*/
static void on_dfu_evt(ble_dfu_t * p_dfu, ble_dfu_evt_t * p_evt)
{
uint32_t err_code;
switch (p_evt->ble_dfu_evt_type)
{
case BLE_DFU_VALIDATE:
err_code = dfu_image_validate();
// Translate the err_code returned by the above function to DFU Response Value.
ble_dfu_resp_val_t resp_val;
resp_val = nrf_err_code_translate(err_code, BLE_DFU_VALIDATE_PROCEDURE);
err_code = ble_dfu_response_send(p_dfu, BLE_DFU_VALIDATE_PROCEDURE, resp_val);
APP_ERROR_CHECK(err_code);
break;
case BLE_DFU_ACTIVATE_N_RESET:
err_code = dfu_transport_close();
APP_ERROR_CHECK(err_code);
// With the S110 Flash API it is safe to initiate the activate before connection is
// fully closed.
err_code = dfu_image_activate();
if (err_code != NRF_SUCCESS)
{
dfu_reset();
}
break;
case BLE_DFU_SYS_RESET:
err_code = dfu_transport_close();
APP_ERROR_CHECK(err_code);
dfu_reset();
break;
case BLE_DFU_START:
m_pkt_type = PKT_TYPE_START;
if (p_evt->evt.ble_dfu_pkt_write.len == 0)
{
m_update_mode = DFU_UPDATE_APP;
}
else
{
m_update_mode = (uint8_t)p_evt->evt.ble_dfu_pkt_write.p_data[0];
}
break;
case BLE_DFU_RECEIVE_INIT_DATA:
m_pkt_type = PKT_TYPE_INIT;
break;
case BLE_DFU_RECEIVE_APP_DATA:
m_pkt_type = PKT_TYPE_FIRMWARE_DATA;
break;
case BLE_DFU_PACKET_WRITE:
on_dfu_pkt_write(p_dfu, p_evt);
break;
case BLE_DFU_PKT_RCPT_NOTIF_ENABLED:
m_pkt_rcpt_notif_enabled = true;
m_pkt_notif_target = p_evt->evt.pkt_rcpt_notif_req.num_of_pkts;
m_pkt_notif_target_cnt = p_evt->evt.pkt_rcpt_notif_req.num_of_pkts;
break;
case BLE_DFU_PKT_RCPT_NOTIF_DISABLED:
m_pkt_rcpt_notif_enabled = false;
m_pkt_notif_target = 0;
break;
case BLE_DFU_BYTES_RECEIVED_SEND:
err_code = ble_dfu_bytes_rcvd_report(p_dfu, m_num_of_firmware_bytes_rcvd);
APP_ERROR_CHECK(err_code);
break;
default:
// Unsupported event received from DFU Service. Ignore.
break;
}
}
/**@brief Function for the Device Firmware Update Service event handler.
*
* @details This function will be called for all Device Firmware Update Service events which
* are passed to the application.
*
* @param[in] p_dfu Device Firmware Update Service structure.
* @param[in] p_evt Event received from the Device Firmware Update Service.
*/
static void on_dfu_evt(ble_dfu_t * p_dfu, ble_dfu_evt_t * p_evt)
{
uint32_t err_code;
switch (p_evt->ble_dfu_evt_type)
{
case BLE_DFU_VALIDATE:
err_code = dfu_image_validate();
// Translate the err_code returned by the above function to DFU Response Value.
ble_dfu_resp_val_t resp_val;
resp_val = nrf_error_to_dfu_resp_val(err_code, BLE_DFU_VALIDATE_PROCEDURE);
err_code = ble_dfu_response_send(p_dfu, BLE_DFU_VALIDATE_PROCEDURE, resp_val);
APP_ERROR_CHECK(err_code);
break;
case BLE_DFU_ACTIVATE_N_RESET:
// Final state of DFU is reached.
m_activate_img_after_tear_down = true;
err_code = dfu_transport_close();
APP_ERROR_CHECK(err_code);
break;
case BLE_DFU_SYS_RESET:
err_code = dfu_transport_close();
APP_ERROR_CHECK(err_code);
break;
case BLE_DFU_START:
m_pkt_type = PKT_TYPE_START;
break;
case BLE_DFU_RECEIVE_INIT_DATA:
m_pkt_type = PKT_TYPE_INIT;
break;
case BLE_DFU_RECEIVE_APP_DATA:
m_pkt_type = PKT_TYPE_FIRMWARE_DATA;
break;
case BLE_DFU_PACKET_WRITE:
on_dfu_pkt_write(p_dfu, p_evt);
break;
case BLE_DFU_PKT_RCPT_NOTIF_ENABLED:
m_pkt_rcpt_notif_enabled = true;
m_pkt_notif_target = p_evt->evt.pkt_rcpt_notif_req.num_of_pkts;
m_pkt_notif_target_cnt = p_evt->evt.pkt_rcpt_notif_req.num_of_pkts;
break;
case BLE_DFU_PKT_RCPT_NOTIF_DISABLED:
m_pkt_rcpt_notif_enabled = false;
m_pkt_notif_target = 0;
break;
case BLE_DFU_BYTES_RECEIVED_SEND:
err_code = ble_dfu_bytes_rcvd_report(p_dfu, m_num_of_firmware_bytes_rcvd);
APP_ERROR_CHECK(err_code);
break;
default:
// Unsupported event received from DFU Service. Ignore.
break;
}
}