Revert "Fix Volla Tablet unlock: use reactive clearHalt instead of proactive" (a28f8c7f) · Commits · e / devices / eOS Installer

app/src/lib/transport/webusb.ts

+17 −18

Original line number	Diff line number	Diff line
		@@ -115,6 +115,21 @@ export class WebUsbTransport {
		);
		}

		// Clear any stale halt condition on both endpoints.
		// Previous sessions that were interrupted (tab closed, USB unplugged)
		// can leave endpoints in a HALTED state, causing every subsequent
		// transferIn/transferOut to fail with "A transfer error has occurred".
		try {
		await this._device.clearHalt("in", this._inEndpoint);
		} catch {
		// clearHalt may fail if endpoint isn't halted — that's fine
		}
		try {
		await this._device.clearHalt("out", this._outEndpoint);
		} catch {
		// clearHalt may fail if endpoint isn't halted — that's fine
		}

		this._rxBuf = new Uint8Array(0);
		this._opened = true;
		log(
		@@ -206,15 +221,7 @@ export class WebUsbTransport {
		throw new UsbError("Transport not open");
		}

		let result = await this._device.transferOut(this._outEndpoint, data as BufferSource);

		// Stalled endpoint from a previous interrupted session — clear and retry
		if (result.status === "stall") {
		log("OUT endpoint stalled, clearing halt and retrying...");
		await this._device.clearHalt("out", this._outEndpoint);
		result = await this._device.transferOut(this._outEndpoint, data as BufferSource);
		}

		const result = await this._device.transferOut(this._outEndpoint, data as BufferSource);
		if (result.status !== "ok") {
		throw new UsbError(`USB transferOut failed: status=${result.status}`);
		}
		@@ -379,15 +386,7 @@ export class WebUsbTransport {
		private async doTransferIn(
		bufferSize: number = USB_RECEIVE_BUFFER_SIZE,
		): Promise<Uint8Array> {
		let result = await this._device.transferIn(this._inEndpoint, bufferSize);

		// Stalled endpoint from a previous interrupted session — clear and retry
		if (result.status === "stall") {
		log("IN endpoint stalled, clearing halt and retrying...");
		await this._device.clearHalt("in", this._inEndpoint);
		result = await this._device.transferIn(this._inEndpoint, bufferSize);
		}

		const result = await this._device.transferIn(this._inEndpoint, bufferSize);
		if (result.status !== "ok") {
		throw new UsbError(`USB transferIn failed: status=${result.status}`);
		}