Serial

Serial 是一个Go语言实现的串口(Uart)接口包,可使用操作系统标准的 read 和 write 文件接口
实现串口字节流的接收和发送。

默认配置

8 N 1 N （数据位: 8 奇偶校验: N 停止位: 1 数据流控: N）

代码使用

package main
import (
    "log"
    "github.com/xluohome/serial"
)
func main() {
    c := &serial.Config{Name: "COM9", Baud: 9600}
    s, err := serial.OpenPort(c)
    if err != nil {
        log.Fatal(err)
    }
    txbuf := []byte{0xAA, 0x01, 0x0f, 0x00, 0x00, 0xBA}
    n, err := s.Write(txbuf)
    if err != nil {
        log.Fatal(err)
    }
    buf := make([]byte, 128)
    n, err = s.Read(buf)
    if err != nil {
        log.Fatal(err)
    }
    log.Printf("%X\n", buf[:n])
}

非阻塞模式

By default the returned Port reads in blocking mode. Which means
Read() will block until at least one byte is returned. If that’s not
what you want, specify a positive ReadTimeout and the Read() will
timeout returning 0 bytes if no bytes are read. Please note that this
is the total timeout the read operation will wait and not the interval
timeout between two bytes.

    c := &serial.Config{Name: "COM45", Baud: 115200, ReadTimeout: time.Second * 5}
    // In this mode, you will want to suppress error for read
    // as 0 bytes return EOF error on Linux / POSIX
    n, _ = s.Read(buf)