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vscode-serial-monitor

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Serial Monitor that allows for reading and writing to serial ports. The repo is archived, please carefully read README.md about issues reporting.

// repository documentation

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# Serial Monitor

The Serial Monitor extension for Visual Studio Code provides a way to read from and write to serial ports.

**This repository is used for tracking feedback and for exposing the public API. It contains no source code for the extension itself.**

## Public API for the ms-vscode.vscode-serial-monitor VS Code extension

The purpose of this API is to allow for any extension to interact with Microsoft's Serial Monitor extension for VSCode.

When your extension activates, you can use the following code to get access to the API:

```Typescript
    import {SerialMonitorApi, Version, getSerialMonitorApi, LineEnding, Parity, StopBits, Port} from '@microsoft/vscode-serial-monitor-api';
 
    let api: SerialMonitorApi|undefined = await getSerialMonitorApi(Version.latest, extensionContext);
    if (api) {
        // open a serial port
        const port: Port = await api.startMonitoringPort({port: "COM1", baudRate: 115200, lineEnding: LineEnding.None, dataBits: 8, stopBits: StopBits.One, parity: Parity.None});
        port.onClosed(() => console.log("My port was closed"));

const tcpConnection: Port = await api.startMonitoringTCPConnection({host: "localhost", port: 1234, swoEnabled: false});
        port.onClosed(() => console.log("My tcp port was closed"));
    }
    // Dispose of the 'api' in your extension's deactivate() method.
```

## Frequently asked questions

> I want to set the baud rate to the custom value (like 921600), but I haven't found any options.

This currently can be accomplished by using the `vscode-serial-monitor.customBaudRates` setting.

## Feedback

We appreciate any feedback you have to help improve this extension. Starting from July 2025, to submit feedback, please go to [Visual Studio Developer Community](https://developercommunity.visualstudio.com/cpp).

## Trademarks

This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft 
trademarks or logos is subject to and must follow 
[Microsoft's Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks/usage/general).
Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.
Any use of third-party trademarks or logos are subject to those third-party's policies.

vscode-serial-monitor

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