使用Go开发硬件驱动程序的流程步骤

go get -u periph.io/x/periph/...

package main

import (
	"fmt"
	"log"
	"time"

	"periph.io/x/periph/conn/gpio"
	"periph.io/x/periph/conn/gpio/gpioreg"
	"periph.io/x/periph/host"
)

const (
	ledPin = "GPIO17"
)

func main() {
	// 初始化硬件
	if _, err := host.Init(); err != nil {
		log.Fatal(err)
	}

	// 获取LED引脚
	led := gpioreg.ByName(ledPin)
	if led == nil {
		log.Fatalf("Failed to find LED pin: %s", ledPin)
	}

	// 设置LED引脚为输出模式
	if err := led.Out(gpio.Low); err != nil {
		log.Fatal(err)
	}

	// 控制LED状态
	for {
		// 打开LED
		led.Out(gpio.High)
		fmt.Println("LED ON")
		time.Sleep(1 * time.Second)

		// 关闭LED
		led.Out(gpio.Low)
		fmt.Println("LED OFF")
		time.Sleep(1 * time.Second)
	}
}

go build
./your_project_name

package main

import (
	"fmt"
	"log"
	"time"

	"periph.io/x/periph/conn/gpio"
	"periph.io/x/periph/conn/gpio/gpioreg"
	"periph.io/x/periph/conn/gpio/gpiostream"
	"periph.io/x/periph/conn/i2c"
	"periph.io/x/periph/conn/i2c/i2creg"
	"periph.io/x/periph/host"
)

const (
	sdaPin = "GPIO2"
	sclPin = "GPIO3"
)

func main() {
	// 初始化硬件
	if _, err := host.Init(); err != nil {
		log.Fatal(err)
	}

	// 获取I2C总线
	bus, err := i2creg.Open("")
	if err != nil {
		log.Fatal(err)
	}
	defer bus.Close()

	// 获取温湿度传感器
	dev, err := i2c.NewDS18B20(bus, 0x68)
	if err != nil {
		log.Fatal(err)
	}

	// 控制传感器读取温湿度数据
	for {
		temp, err := dev.ReadTemperature()
		if err != nil {
			log.Fatal(err)
		}

		humidity, err := dev.ReadHumidity()
		if err != nil {
			log.Fatal(err)
		}

		fmt.Printf("Temperature: %.2f°C   Humidity: %.2f%%\n", temp, humidity)

		time.Sleep(2 * time.Second)
	}
}

package main

import (
	"fmt"
	"log"
	"time"

	"github.com/tarm/serial"
)

func main() {
	// 配置串口参数
	config := &serial.Config{
		Name:        "/dev/ttyUSB0",
		Baud:        9600,
		ReadTimeout: time.Second,
	}

	// 打开串口
	port, err := serial.OpenPort(config)
	if err != nil {
		log.Fatal(err)
	}
	defer port.Close()

	// 发送命令
	command := []byte("turn on lights")
	_, err = port.Write(command)
	if err != nil {
		log.Fatal(err)
	}

	// 读取响应
	response := make([]byte, 128)
	n, err := port.Read(response)
	if err != nil {
		log.Fatal(err)
	}

	fmt.Printf("Response: %s\n", response[:n])
}

package main

import (
	"fmt"
	"log"

	"github.com/GeertJohan/go.hid"
)

func main() {
	// 查找摄像头设备
	devices := hid.Enumerate(0x0c45, 0x6001)
	if len(devices) == 0 {
		log.Fatal("No camera devices found")
	}

	// 打开摄像头设备
	device, err := devices[0].Open()
	if err != nil {
		log.Fatal(err)
	}
	defer device.Close()

	// 发送命令
	command := []byte{0x01, 0x02, 0x03}
	_, err = device.Write(command)
	if err != nil {
		log.Fatal(err)
	}

	// 读取响应
	response := make([]byte, 128)
	n, err := device.Read(response)
	if err != nil {
		log.Fatal(err)
	}

	fmt.Printf("Response: %s\n", response[:n])
}