1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// Copyright 2014 Quoc-Viet Nguyen. All rights reserved.
// This software may be modified and distributed under the terms
// of the BSD license. See the LICENSE file for details.
package test
import (
"log"
"os"
"testing"
"github.com/goburrow/modbus"
)
const (
rtuDevice = "/dev/pts/6"
)
func TestRTUClient(t *testing.T) {
// Diagslave does not support broadcast id.
handler := modbus.NewRTUClientHandler(rtuDevice)
handler.SlaveId = 17
ClientTestAll(t, modbus.NewClient(handler))
}
func TestRTUClientAdvancedUsage(t *testing.T) {
handler := modbus.NewRTUClientHandler(rtuDevice)
handler.BaudRate = 19200
handler.DataBits = 8
handler.Parity = "E"
handler.StopBits = 1
handler.SlaveId = 11
handler.Logger = log.New(os.Stdout, "rtu: ", log.LstdFlags)
err := handler.Connect()
if err != nil {
t.Fatal(err)
}
defer handler.Close()
client := modbus.NewClient(handler)
results, err := client.ReadDiscreteInputs(15, 2)
if err != nil || results == nil {
t.Fatal(err, results)
}
results, err = client.ReadWriteMultipleRegisters(0, 2, 2, 2, []byte{1, 2, 3, 4})
if err != nil || results == nil {
t.Fatal(err, results)
}
}
|
