mirror of
https://github.com/pybricks/pybricks-code.git
synced 2026-09-12 01:23:52 +00:00
add try/catch for unexpected errors
This commit is contained in:
David Lechner
+146
-135
@@ -257,165 +257,176 @@ function* disconnectMonitor(): SagaGenerator<void> {
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* @param action The action that triggered this saga.
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*/
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function* flashFirmware(action: FlashFirmwareFlashAction): Generator {
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let firmware: Uint8Array | undefined = undefined;
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let deviceId: HubType | undefined = undefined;
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try {
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let firmware: Uint8Array | undefined = undefined;
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let deviceId: HubType | undefined = undefined;
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let program: string | undefined = undefined;
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let program: string | undefined = undefined;
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const flashCurrentProgram = yield* select(
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(s: RootState) => s.settings.flashCurrentProgram,
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);
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const flashCurrentProgram = yield* select(
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(s: RootState) => s.settings.flashCurrentProgram,
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);
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if (flashCurrentProgram) {
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const editor = yield* select((s: RootState) => s.editor.current);
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if (flashCurrentProgram) {
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const editor = yield* select((s: RootState) => s.editor.current);
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// istanbul ignore if: it is a bug to dispatch this action with no current editor
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if (editor === null) {
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console.error('flashFirmware: No current editor');
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// istanbul ignore if: it is a bug to dispatch this action with no current editor
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if (editor === null) {
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console.error('flashFirmware: No current editor');
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return;
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}
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program = editor.getValue();
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}
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if (action.data !== undefined) {
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({ firmware, deviceId } = yield* loadFirmware(action.data, program));
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}
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yield* put(connect());
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const connectResult = yield* take<BootloaderConnectionAction>([
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BootloaderConnectionActionType.DidConnect,
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BootloaderConnectionActionType.DidFailToConnect,
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]);
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if (connectResult.type === BootloaderConnectionActionType.DidFailToConnect) {
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yield* put(didFailToFinish(FailToFinishReasonType.FailedToConnect));
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return;
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}
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program = editor.getValue();
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}
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const disconnectMonitorTask = yield* fork(disconnectMonitor);
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if (action.data !== undefined) {
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({ firmware, deviceId } = yield* loadFirmware(action.data, program));
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}
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const nextMessageId = yield* getContext<() => number>('nextMessageId');
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yield* put(connect());
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const connectResult = yield* take<BootloaderConnectionAction>([
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BootloaderConnectionActionType.DidConnect,
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BootloaderConnectionActionType.DidFailToConnect,
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]);
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const infoAction = yield* put(infoRequest(nextMessageId()));
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const { info } = yield* all({
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sent: waitForDidRequest(infoAction.id),
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info: waitForResponse<BootloaderInfoResponseAction>(
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BootloaderResponseActionType.Info,
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),
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});
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if (connectResult.type === BootloaderConnectionActionType.DidFailToConnect) {
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yield* put(didFailToFinish(FailToFinishReasonType.FailedToConnect));
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return;
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}
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const disconnectMonitorTask = yield* fork(disconnectMonitor);
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const nextMessageId = yield* getContext<() => number>('nextMessageId');
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const infoAction = yield* put(infoRequest(nextMessageId()));
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const { info } = yield* all({
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sent: waitForDidRequest(infoAction.id),
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info: waitForResponse<BootloaderInfoResponseAction>(
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BootloaderResponseActionType.Info,
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),
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});
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if (deviceId !== undefined && info.hubType !== deviceId) {
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yield* put(didFailToFinish(FailToFinishReasonType.DeviceMismatch));
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yield* disconnectAndCancel();
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}
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if (firmware === undefined) {
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const firmwarePath = firmwareZipMap.get(info.hubType);
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if (firmwarePath === undefined) {
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yield* put(didFailToFinish(FailToFinishReasonType.NoFirmware));
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if (deviceId !== undefined && info.hubType !== deviceId) {
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yield* put(didFailToFinish(FailToFinishReasonType.DeviceMismatch));
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yield* disconnectAndCancel();
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}
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defined(firmwarePath);
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if (firmware === undefined) {
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const firmwarePath = firmwareZipMap.get(info.hubType);
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if (firmwarePath === undefined) {
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yield* put(didFailToFinish(FailToFinishReasonType.NoFirmware));
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yield* disconnectAndCancel();
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}
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const response = yield* call(() => fetch(firmwarePath));
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if (!response.ok) {
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yield* put(notification.add('error', 'Failed to fetch firmware.'));
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const disconnectAction = yield* put(disconnectRequest(nextMessageId()));
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yield* waitForDidRequest(disconnectAction.id);
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return;
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defined(firmwarePath);
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const response = yield* call(() => fetch(firmwarePath));
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if (!response.ok) {
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yield* put(notification.add('error', 'Failed to fetch firmware.'));
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const disconnectAction = yield* put(disconnectRequest(nextMessageId()));
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yield* waitForDidRequest(disconnectAction.id);
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return;
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}
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const data = yield* call(() => response.arrayBuffer());
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({ firmware, deviceId } = yield* loadFirmware(data, program));
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if (deviceId !== undefined && info.hubType !== deviceId) {
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throw Error(
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`Connected to ${info.hubType} but firmware is for ${deviceId}`,
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);
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}
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}
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const data = yield* call(() => response.arrayBuffer());
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({ firmware, deviceId } = yield* loadFirmware(data, program));
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yield* put(didStart());
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if (deviceId !== undefined && info.hubType !== deviceId) {
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throw Error(`Connected to ${info.hubType} but firmware is for ${deviceId}`);
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const eraseAction = yield* put(eraseRequest(nextMessageId()));
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const { erase } = yield* all({
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sent: waitForDidRequest(eraseAction.id),
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erase: waitForResponse<BootloaderEraseResponseAction>(
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BootloaderResponseActionType.Erase,
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5000,
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),
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});
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if (erase.result !== Result.OK) {
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yield* put(
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didFailToFinish(FailToFinishReasonType.HubError, HubError.EraseFailed),
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);
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yield* disconnectAndCancel();
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}
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}
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yield* put(didStart());
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const initAction = yield* put(initRequest(nextMessageId(), firmware.length));
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const { init } = yield* all({
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sent: waitForDidRequest(initAction.id),
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init: waitForResponse<BootloaderInitResponseAction>(
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BootloaderResponseActionType.Init,
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),
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});
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if (init.result) {
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// TODO: proper error handling
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throw Error(`Failed to init: ${init}`);
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}
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const eraseAction = yield* put(eraseRequest(nextMessageId()));
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const { erase } = yield* all({
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sent: waitForDidRequest(eraseAction.id),
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erase: waitForResponse<BootloaderEraseResponseAction>(
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BootloaderResponseActionType.Erase,
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// 14 is "safe" size for all hubs
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const maxDataSize = MaxProgramFlashSize.get(info.hubType) || 14;
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for (let count = 1, offset = 0; ; count++) {
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const payload = firmware.slice(offset, offset + maxDataSize);
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const programAction = yield* put(
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programRequest(
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nextMessageId(),
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info.startAddress + offset,
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payload.buffer,
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),
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);
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yield* waitForDidRequest(programAction.id);
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yield* put(didProgress(offset / firmware.length));
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// we don't want to request checksum if this is the last packet since
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// the bootloader will send a response to the program request already.
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offset += maxDataSize;
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if (offset >= firmware.length) {
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break;
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}
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// Request checksum every 10 packets to prevent buffer overrun on
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// the hub because of sending too much data at once. The actual
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// number of packets that can be queued in the Bluetooth chip on
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// the hub is not known and could vary by device.
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if (count % 10 === 0) {
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const checksumAction = yield* put(checksumRequest(nextMessageId()));
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yield* all({
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sent: waitForDidRequest(checksumAction.id),
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checksum: waitForResponse<BootloaderChecksumResponseAction>(
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BootloaderResponseActionType.Checksum,
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5000,
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),
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});
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}
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}
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const flash = yield* waitForResponse<BootloaderProgramResponseAction>(
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BootloaderResponseActionType.Program,
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5000,
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),
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});
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if (erase.result !== Result.OK) {
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yield* put(
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didFailToFinish(FailToFinishReasonType.HubError, HubError.EraseFailed),
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);
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if (flash.count !== firmware.length) {
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// TODO: proper error handling
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throw Error("Didn't flash all bytes");
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}
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yield* put(didProgress(1));
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// this will cause the remote device to disconnect and reboot
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const rebootAction = yield* put(rebootRequest(nextMessageId()));
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disconnectMonitorTask.cancel();
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yield* waitForDidRequest(rebootAction.id);
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yield* put(didFinish());
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} catch (err) {
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yield* put(didFailToFinish(FailToFinishReasonType.Unknown, err));
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yield* disconnectAndCancel();
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}
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const initAction = yield* put(initRequest(nextMessageId(), firmware.length));
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const { init } = yield* all({
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sent: waitForDidRequest(initAction.id),
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init: waitForResponse<BootloaderInitResponseAction>(
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BootloaderResponseActionType.Init,
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),
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});
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if (init.result) {
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// TODO: proper error handling
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throw Error(`Failed to init: ${init}`);
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}
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// 14 is "safe" size for all hubs
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const maxDataSize = MaxProgramFlashSize.get(info.hubType) || 14;
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for (let count = 1, offset = 0; ; count++) {
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const payload = firmware.slice(offset, offset + maxDataSize);
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const programAction = yield* put(
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programRequest(nextMessageId(), info.startAddress + offset, payload.buffer),
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);
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yield* waitForDidRequest(programAction.id);
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yield* put(didProgress(offset / firmware.length));
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// we don't want to request checksum if this is the last packet since
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// the bootloader will send a response to the program request already.
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offset += maxDataSize;
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if (offset >= firmware.length) {
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break;
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}
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// Request checksum every 10 packets to prevent buffer overrun on
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// the hub because of sending too much data at once. The actual
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// number of packets that can be queued in the Bluetooth chip on
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// the hub is not known and could vary by device.
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if (count % 10 === 0) {
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const checksumAction = yield* put(checksumRequest(nextMessageId()));
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yield* all({
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sent: waitForDidRequest(checksumAction.id),
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checksum: waitForResponse<BootloaderChecksumResponseAction>(
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BootloaderResponseActionType.Checksum,
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5000,
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),
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});
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}
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}
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const flash = yield* waitForResponse<BootloaderProgramResponseAction>(
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BootloaderResponseActionType.Program,
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5000,
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);
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if (flash.count !== firmware.length) {
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// TODO: proper error handling
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throw Error("Didn't flash all bytes");
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}
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yield* put(didProgress(1));
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// this will cause the remote device to disconnect and reboot
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const rebootAction = yield* put(rebootRequest(nextMessageId()));
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disconnectMonitorTask.cancel();
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yield* waitForDidRequest(rebootAction.id);
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yield* put(didFinish());
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}
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export default function* (): Generator {
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