codewars/go/modbus/internal/client.go

package client

import (
	"fmt"
	"time"

	"github.com/simonvetter/modbus"
)

func InitClient(port string, speed int) {
	var client *modbus.ModbusClient
	var err error

	client, err = modbus.NewClient(&modbus.ClientConfiguration{
		URL:      "rtu:///dev/ttyUSB0",
		Speed:    115200,
		DataBits: 8,
		Parity:   modbus.PARITY_NONE,
		StopBits: 1,
		Timeout:  300 * time.Millisecond,
	})

	client.SetUnitId(1)

	// modbus.

	// fmt.Println(client.)

	if err != nil {
		fmt.Errorf("Something went wrong!")
	}

	err = client.Open()
	defer client.Close()

	var reg16 uint16
	reg16, err = client.ReadRegister(50, modbus.HOLDING_REGISTER)

	fmt.Printf("value: %v", reg16)
}

func Hello() {
	fmt.Println("Hello from glient.go")
}