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OTA: Add incoming FW block check (#718)

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Olivier
2017-01-03 20:19:00 +01:00
committed by Henrik Ekblad
parent 570b6079b6
commit aa5cecfca1
5 changed files with 43 additions and 8 deletions
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17
core/MyOTAFirmwareUpdate.cpp
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@@ -93,19 +93,26 @@ bool firmwareOTAUpdateProcess(void)
OTA_DEBUG(PSTR("OTA:FWP:UPDATE SKIPPED\n")); // FW update skipped, no newer version available
} else if (_msg.type == ST_FIRMWARE_RESPONSE) {
if (_firmwareUpdateOngoing) {
// Save block to flash
setIndication(INDICATION_FW_UPDATE_RX);
OTA_DEBUG(PSTR("OTA:FWP:RECV B=%04X\n"), _firmwareBlock); // received FW block
// extract FW block
replyFirmwareBlock_t *firmwareResponse = (replyFirmwareBlock_t *)_msg.data;
// write to flash
OTA_DEBUG(PSTR("OTA:FWP:RECV B=%04X\n"), firmwareResponse->block); // received FW block
if (firmwareResponse->block != _firmwareBlock - 1) {
OTA_DEBUG(PSTR("!OTA:FWP:WRONG FWB\n")); // received FW block
// wrong firmware block received
setIndication(INDICATION_FW_UPDATE_RX_ERR);
// no further processing required
return true;
}
setIndication(INDICATION_FW_UPDATE_RX);
// Save block to flash
_flash.writeBytes( ((_firmwareBlock - 1) * FIRMWARE_BLOCK_SIZE) + FIRMWARE_START_OFFSET,
firmwareResponse->data, FIRMWARE_BLOCK_SIZE);
// wait until flash written
while (_flash.busy()) {}
_firmwareBlock--;
if (!_firmwareBlock) {
// We're finished! Do a checksum and reboot.
// We're done! Do a checksum and reboot.
OTA_DEBUG(PSTR("OTA:FWP:FW END\n")); // received FW block
_firmwareUpdateOngoing = false;
if (transportIsValidFirmware()) {