Lectura Serial en Golang

read.go

const (	
  sizeRead = 64

	carReturn = 13
	newLine   = 10
)

serialPort, _ := serial.OpenPort(options)
read := make(chan []byte)

var pkg []byte

go func() {
  for {
    buffer := make([]byte, sizeRead)
    size, err := serialPort.Read(buffer)
    if err != nil {
      break
    }

    for i := 0; i < size; i++ {
      b := buffer[i]
      if b == carReturn {
        read <- pkg

        pkg = []byte{}
      } else {
        if b != newLine {
          pkg = append(pkg, buffer[i])
        }
      }
    }
  }
}()

for buffer := read {
  fmt.Println(string(buffer))
}