uint32_t dfu_image_activate (void)
{
uint32_t err_code = NRF_SUCCESS;
dfu_update_status_t update_status;
switch (m_dfu_state)
{
case DFU_STATE_WAIT_4_ACTIVATE:
// Stop the DFU Timer because the peer activity need not be monitored any longer.
err_code = app_timer_stop(m_dfu_timer_id);
APP_ERROR_CHECK(err_code);
if (IS_UPDATING_SD()) //lint !e655 suppress Lint Warning 655: Bit-wise operations
{
update_status.sd_image_size = m_start_packet.sd_image_size;
}
else
{
update_status.sd_image_size = NEW_IMAGE_SIZE_EMPTY;
}
if (IS_UPDATING_BL()) //lint !e655 suppress Lint Warning 655: Bit-wise operations
{
update_status.bl_image_size = m_start_packet.bl_image_size;
}
else
{
update_status.bl_image_size = NEW_IMAGE_SIZE_EMPTY;
}
if (IS_UPDATING_APP()) //lint !e655 suppress Lint Warning 655: Bit-wise operations
{
update_status.ap_image_size = m_start_packet.app_image_size;
}
else
{
update_status.ap_image_size = NEW_IMAGE_SIZE_EMPTY;
}
update_status.status_code = DFU_UPDATE_NEW_IMAGES;
update_status.bank_used = m_active_bank;
update_status.src_image_address = dfu_storage_start_address_get();
bootloader_dfu_update_process(update_status);
break;
default:
err_code = NRF_ERROR_INVALID_STATE;
break;
}
return err_code;
}
uint32_t dfu_image_validate()
{
uint32_t err_code;
switch (m_dfu_state)
{
case DFU_STATE_RX_DATA_PKT:
// Check if the application image write has finished.
if (m_data_received != m_image_size)
{
// Image not yet fully transfered by the peer or the peer has attempted to write
// too much data. Hence the validation should fail.
err_code = NRF_ERROR_INVALID_STATE;
}
else
{
m_dfu_state = DFU_STATE_VALIDATE;
// Valid peer activity detected. Hence restart the DFU timer.
err_code = dfu_timer_restart();
if (err_code == NRF_SUCCESS)
{
if(IS_UPDATING_BL(m_start_packet))
{
m_image_size = m_image_size - ((uint32_t)(&__end_protected_data) - (uint32_t)(&__start_protected_data));
}
err_code = dfu_init_postvalidate((uint8_t *)mp_storage_handle_active->block_id,
m_image_size);
VERIFY_SUCCESS(err_code);
m_dfu_state = DFU_STATE_WAIT_4_ACTIVATE;
}
}
break;
default:
err_code = NRF_ERROR_INVALID_STATE;
break;
}
return err_code;
}
uint32_t dfu_start_pkt_handle(dfu_update_packet_t * p_packet)
{
uint32_t err_code;
m_start_packet = *(p_packet->params.start_packet);
// Check that the requested update procedure is supported.
// Currently the following combinations are allowed:
// - Application
// - SoftDevice
// - Bootloader
// - SoftDevice with Bootloader
if (IS_UPDATING_APP(m_start_packet) &&
(IS_UPDATING_SD(m_start_packet) || IS_UPDATING_BL(m_start_packet)))
{
// App update is only supported independently.
return NRF_ERROR_NOT_SUPPORTED;
}
if (!(IS_WORD_SIZED(m_start_packet.sd_image_size) &&
IS_WORD_SIZED(m_start_packet.bl_image_size) &&
IS_WORD_SIZED(m_start_packet.app_image_size)))
{
// Image_sizes are not a multiple of 4 (word size).
return NRF_ERROR_NOT_SUPPORTED;
}
m_image_size = m_start_packet.sd_image_size + m_start_packet.bl_image_size +
m_start_packet.app_image_size;
if (m_start_packet.bl_image_size > DFU_BL_IMAGE_MAX_SIZE)
{
return NRF_ERROR_DATA_SIZE;
}
if (m_image_size > (DFU_IMAGE_MAX_SIZE_FULL))
{
return NRF_ERROR_DATA_SIZE;
}
m_functions.prepare = dfu_prepare_func_app_erase;
m_functions.cleared = dfu_cleared_func_app;
if (IS_UPDATING_SD(m_start_packet))
{
m_functions.activate = dfu_activate_sd;
}
else if (IS_UPDATING_BL(m_start_packet))
{
m_functions.activate = dfu_activate_bl;
}
else
{
m_functions.activate = dfu_activate_app;
}
switch (m_dfu_state)
{
case DFU_STATE_IDLE:
// Valid peer activity detected. Hence restart the DFU timer.
err_code = dfu_timer_restart();
if (err_code != NRF_SUCCESS)
{
return err_code;
}
m_functions.prepare(m_image_size);
break;
default:
err_code = NRF_ERROR_INVALID_STATE;
break;
}
return err_code;
}
uint32_t dfu_start_pkt_handle(dfu_update_packet_t * p_packet)
{
uint32_t err_code = NRF_SUCCESS;
m_start_packet = p_packet->params.start_packet;
// Check that the requested update procedure is supported.
// Currently the following combinations are allowed:
// - Application
// - SoftDevice
// - Bootloader
// - SoftDevice with Bootloader
if (IS_UPDATING_APP() && //lint !e655 suppress lint warning 655: bit-wise operations
(IS_UPDATING_SD() || //lint !e655 suppress Lint Warning 655: Bit-wise operations
IS_UPDATING_BL() || //lint !e655 suppress lint warning 655: bit-wise operations
((m_start_packet.app_image_size & (sizeof(uint32_t) - 1)) != 0)))
{
// Image_size is not a multiple of 4 (word size).
return NRF_ERROR_NOT_SUPPORTED;
}
if (IS_UPDATING_SD() && //lint !e655 suppress lint warning 655: bit-wise operations
((m_start_packet.sd_image_size & (sizeof(uint32_t) - 1)) != 0))
{
// Image_size is not a multiple of 4 (word size).
return NRF_ERROR_NOT_SUPPORTED;
}
if (IS_UPDATING_BL() && //lint !e655 suppress lint warning 655: bit-wise operations
((m_start_packet.bl_image_size & (sizeof(uint32_t) - 1)) != 0))
{
// Image_size is not a multiple of 4 (word size).
return NRF_ERROR_NOT_SUPPORTED;
}
m_image_size = m_start_packet.sd_image_size +
m_start_packet.bl_image_size +
m_start_packet.app_image_size +
m_start_packet.info_bytes_size;
if (IS_UPDATING_BL() && m_start_packet.bl_image_size > DFU_BL_IMAGE_MAX_SIZE)//lint !e655 suppress Lint Warning 655: Bit-wise operations
{
return NRF_ERROR_DATA_SIZE;
}
else if (m_image_size > DFU_IMAGE_MAX_SIZE_FULL)
{
return NRF_ERROR_DATA_SIZE;
}
else
{
// Do nothing.
}
// If new softdevice size is greater than the code region 1 boundary
if (IS_UPDATING_SD() && m_start_packet.sd_image_size > (CODE_REGION_1_START - SOFTDEVICE_REGION_START))//lint !e655 suppress Lint Warning 655: Bit-wise operations
{
//calculate storage starting offset.
uint32_t storage_starting_offset;
storage_starting_offset = m_start_packet.sd_image_size - (CODE_REGION_1_START - SOFTDEVICE_REGION_START);
storage_starting_offset = CODE_REGION_1_START + storage_starting_offset;
if (storage_starting_offset & ~(NRF_FICR->CODEPAGESIZE - 1))
{
storage_starting_offset &= ~(NRF_FICR->CODEPAGESIZE - 1);
storage_starting_offset += NRF_FICR->CODEPAGESIZE;
}
m_storage_handle_app.block_id = storage_starting_offset;
}
switch (m_dfu_state)
{
case DFU_STATE_RX_INIT_PKT:
// Valid peer activity detected. Hence restart the DFU timer.
err_code = dfu_timer_restart();
if (err_code != NRF_SUCCESS)
{
return err_code;
}
m_dfu_state = DFU_STATE_RDY;
//break; fallthrough
case DFU_STATE_RDY:
break;
default:
err_code = NRF_ERROR_INVALID_STATE;
break;
}
return err_code;
}