动机
modbusplus
  1. 支持每次调用的时候传入slaveId
  2. 修改API传入的参数,使其更好用
    例如:

原来的写入多寄存器的API:

func WriteMultipleRegisters(address, quantity uint16, value []byte) (results []byte, err error)

修改后的API:

func WriteMultipleRegisters(address uint16, value []uint16, slaveId byte) ([]byte, error)

只需要传入开始地址和要设置的值数组就可以了

步骤

一、在github上建立仓库:


由于modbusplus仓库我已经建立了,图片仅供参考

在本地新建一个modbusplus文件夹
  1. 使用vscode打开文件夹
  2. 初始化go mod
  3. coding
go mod init "github.com/lishuangquan1987/modbusplus"
github.com/lishuangquan1987/modbusplus
go get: github.com/lishuangquan1987/modbusplus@none updating to
        github.com/lishuangquan1987/modbusplus@v0.0.2: parsing go.mod:
        module declares its path as: modbusplus
                but was required as: github.com/lishuangquan1987/modbusplus
将写好的代码通过soucetree推送到github

初始化git仓库

在modbusplus文件夹根目录,打开git bash终端,输入如下命令:

git init
.git

添加到Sourcetree并设置远程仓库地址

+


3.设置远程仓库
点击右上方的设置,添加远程地址:git@github.com:lishuangquan1987/modbusplus.git


注意:此处一定要填写ssh的地址,github更新了规则,推送只能使用ssh的地址推送

然后把新增的文件暂存,提交,推送

发布Release版本
+Release
引用自己发布在github上的库

1.新建一个项目叫modbusplustest
2.添加main.go
3.初始化mod:

go mod init modbusplustest
modbusplus
PS F:\go project\mobusplustest> go get -u github.com/lishuangquan1987/modbusplus
go: downloading github.com/lishuangquan1987/modbusplus v0.0.3
go get: added github.com/lishuangquan1987/modbusplus v0.0.3

5.测试的Code:

package main

import (
	"fmt"
	"time"

	"github.com/goburrow/modbus"
	"github.com/lishuangquan1987/modbusplus"
)

func main() {
	// Modbus RTU/ASCII, it is the same as goburrow/modbus
	handler := modbus.NewRTUClientHandler("COM9")
	handler.BaudRate = 9600
	handler.DataBits = 8
	handler.Parity = "N"
	handler.StopBits = 1
	handler.SlaveId = 1
	handler.Timeout = 5 * time.Second

	err := handler.Connect()
	if err != nil {
		fmt.Printf("connect fail:%v", err)
	}
	defer handler.Close()

	//use the modbusplus to create client
	client := modbusplus.NewClient(handler)

	//we can change slave id every call
	for i := 0; i < 100; i++ {
		results, err := client.ReadHoldingRegisters(0x2050, 1, byte(i))
		if err != nil {
			fmt.Printf("%v", results)
		}
	}
}