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go-serial's Introduction

This is a package that allows you to read from and write to serial ports in Go.

OS support

Currently this package works only on OS X (tested on version 10.6). It could probably be ported to Linux simply by updating a few constants; get in touch if you are interested in helping and have hardware to test with. Windows would likely be a lot more work.

Installation

Simply use goinstall:

goinstall github.com/jacobsa/go-serial/serial

To update later:

goinstall -u github.com/jacobsa/go-serial/serial

Use

Set up a serial.OpenOptions struct, then call serial.Open. For example:

    import "fmt"
    import "log"
    import "github.com/jacobsa/go-serial/serial"

    ...

    // Set up options.
    options := serial.OpenOptions{
      PortName: "/dev/tty.usbserial-A8008HlV",
      BaudRate: 19200,
      DataBits: 8,
      StopBits: 1,
      MinimumReadSize: 4,
    }

    // Open the port.
    port, err := serial.Open(options)
    if err != nil {
      log.Fatalf("serial.Open: %v", err)
    }

    // Make sure to close it later.
    defer port.Close()

    // Write 4 bytes to the port.
    b := []byte{0x00, 0x01, 0x02, 0x03}
    n, err := port.Write(b)
    if err != nil {
      log.Fatalf("port.Write: %v", err)
    }

    fmt.Println("Wrote", n, "bytes.")

See the documentation for the OpenOptions struct in serial.go for more information on the supported options.

go-serial's People

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