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Reilly Grant
0eb5a707e5
Automatic update from web-platform-tests serial: Add manual test for control flow behavior This test uses a device configured for loopback (with RTS and CTS) lines connected to validate that the RTS pin can be configured manually or automatically depending on the flow control configuration. Bug: 1287309 Change-Id: Id260d41fcb714529bf3e3754608db6485d2901e2 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3390190 Auto-Submit: Reilly Grant <[email protected]> Reviewed-by: Matt Reynolds <[email protected]> Commit-Queue: Matt Reynolds <[email protected]> Cr-Commit-Position: refs/heads/main@{#961185} -- wpt-commits: ee6da9d71d0268d7fdb04e8e5b26858f46ee0cc4 wpt-pr: 32390
60 lines
1.7 KiB
HTML
60 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title></title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/common.js"></script>
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<script src="resources/manual.js"></script>
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</head>
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<body>
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<p>
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These tests require a connected serial device configured to act as a
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"loopback" device, with the TX and RX pins and RTS and CTS pins wired
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together.
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</p>
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<script>
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manual_serial_test(async (t, port) => {
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await port.open({
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baudRate: 115200,
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bufferSize: 255,
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flowControl: 'none'
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});
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t.add_cleanup(async () => {
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await port.close();
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});
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await port.setSignals({ requestToSend: true });
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let signals = await port.getSignals();
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assert_true(signals.clearToSend);
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await port.setSignals({ requestToSend: false });
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signals = await port.getSignals();
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assert_false(signals.clearToSend);
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}, 'Manual RTS control works with no flow control enabled');
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manual_serial_test(async (t, port) => {
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await port.open({
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baudRate: 115200,
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bufferSize: 255,
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flowControl: 'hardware'
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});
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const writer = port.writable.getWriter();
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t.add_cleanup(async () => {
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writer.releaseLock();
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await port.close();
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});
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assert_true((await port.getSignals()).clearToSend);
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const buffer = new Uint8Array(1);
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while ((await port.getSignals()).clearToSend) {
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await writer.write(buffer);
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}
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}, 'Hardware flow control automatically sets RTS pin');
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</script>
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</body>
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</html>
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