This is a package that allows you to read from and write to serial ports in Go.
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.
Simply use goinstall:
goinstall github.com/jacobsa/go-serial/serial
To update later:
goinstall -u github.com/jacobsa/go-serial/serial
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.
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