| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title></title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/common.js"></script> |
| <script src="resources/manual.js"></script> |
| </head> |
| <body> |
| <p> |
| These tests require a connected serial device configured to act as a |
| "loopback" device, with the TX and RX pins and RTS and CTS pins wired |
| together. |
| </p> |
| <script> |
| manual_serial_test(async (t, port) => { |
| await port.open({ |
| baudRate: 115200, |
| bufferSize: 255, |
| flowControl: 'none' |
| }); |
| t.add_cleanup(async () => { |
| await port.close(); |
| }); |
| |
| await port.setSignals({ requestToSend: true }); |
| let signals = await port.getSignals(); |
| assert_true(signals.clearToSend); |
| |
| await port.setSignals({ requestToSend: false }); |
| signals = await port.getSignals(); |
| assert_false(signals.clearToSend); |
| }, 'Manual RTS control works with no flow control enabled'); |
| |
| manual_serial_test(async (t, port) => { |
| await port.open({ |
| baudRate: 115200, |
| bufferSize: 255, |
| flowControl: 'hardware' |
| }); |
| |
| const writer = port.writable.getWriter(); |
| t.add_cleanup(async () => { |
| writer.releaseLock(); |
| await port.close(); |
| }); |
| |
| assert_true((await port.getSignals()).clearToSend); |
| |
| const buffer = new Uint8Array(1); |
| while ((await port.getSignals()).clearToSend) { |
| await writer.write(buffer); |
| } |
| }, 'Hardware flow control automatically sets RTS pin'); |
| </script> |
| </body> |
| </html> |
