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rtu_packager_test.go
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package modbus
import (
"encoding/hex"
"go.bug.st/serial"
"testing"
)
// 使用modbus slave 模拟串口3进行测试
func TestRtuReadCoils(t *testing.T) {
st := NewSerialTransporter("COM3")
defer func() { _ = st.Close() }()
pk := NewRtuPackager(1)
c := NewClient(pk, st)
request, results, err := c.ReadCoils(0, 10)
if err != nil {
t.Log("request", hex.EncodeToString(request.GetData()))
t.Error(err)
t.FailNow()
}
t.Log("request", hex.EncodeToString(request.GetData()))
t.Log("results", hex.EncodeToString(results.GetData()))
t.Logf("results length %d ", results.GetPDU().Length())
t.Logf("results data %s", hex.EncodeToString(results.GetPDU().GetData()))
}
func TestRtuWriteSingleCoil(t *testing.T) {
st := NewSerialTransporter("COM3")
defer func() { _ = st.Close() }()
pk := NewRtuPackager(1)
c := NewClient(pk, st)
request, results, err := c.WriteSingleCoil(0, true)
if err != nil {
t.Log("request", hex.EncodeToString(request.GetData()))
t.Error(err)
t.FailNow()
}
t.Log("request", hex.EncodeToString(request.GetData()))
t.Log("results", hex.EncodeToString(results.GetData()))
t.Logf("results length %d ", results.GetPDU().Length())
t.Logf("results data %s", hex.EncodeToString(results.GetPDU().GetData()))
}
func TestRtuWriteMultipleCoils(t *testing.T) {
st := NewSerialTransporter("COM3")
defer func() { _ = st.Close() }()
pk := NewRtuPackager(1)
c := NewClient(pk, st)
coils := []bool{false, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true}
request, results, err := c.WriteMultipleCoils(0, uint16(len(coils)), coils)
if err != nil {
t.Log("request", hex.EncodeToString(request.GetData()))
t.Error(err)
t.FailNow()
}
t.Log("request", hex.EncodeToString(request.GetData()))
t.Log("results", hex.EncodeToString(results.GetData()))
t.Logf("results length %d ", results.GetPDU().Length())
t.Logf("results data %s", hex.EncodeToString(results.GetPDU().GetData()))
}
func TestRtuReadDiscreteInputs(t *testing.T) {
st := NewSerialTransporter("COM3")
defer func() { _ = st.Close() }()
pk := NewRtuPackager(1)
c := NewClient(pk, st)
request, results, err := c.ReadDiscreteInputs(0, 10)
if err != nil {
t.Log("request", hex.EncodeToString(request.GetData()))
t.Error(err)
t.FailNow()
}
t.Log("request", hex.EncodeToString(request.GetData()))
t.Log("results", hex.EncodeToString(results.GetData()))
t.Logf("results length %d ", results.GetPDU().Length())
t.Logf("results data %s", hex.EncodeToString(results.GetPDU().GetData()))
}
func TestRtuReadInputRegisters(t *testing.T) {
ts := NewSerialTransporter("COM3")
pk := NewRtuPackager(1)
c := NewClient(pk, ts)
request, results, err := c.ReadInputRegisters(0, 10)
if err != nil {
t.Log("request", hex.EncodeToString(request.GetData()))
t.Error(err)
t.FailNow()
}
t.Log("request", hex.EncodeToString(request.GetData()))
t.Log("results", hex.EncodeToString(results.GetData()))
t.Logf("results length %d ", results.GetPDU().Length())
t.Logf("results data %s", hex.EncodeToString(results.GetPDU().GetData()))
}
func TestRtuReadHoldingRegisters(t *testing.T) {
st := NewSerialTransporter("COM3")
st.Mode = serial.Mode{BaudRate: defaultBaudRate}
defer func() { _ = st.Close() }()
pk := NewRtuPackager(1)
c := NewClient(pk, st)
request, results, err := c.ReadHoldingRegisters(0, 1)
if err != nil {
t.Log("request", hex.EncodeToString(request.GetData()))
t.Error(err)
t.FailNow()
}
t.Log("request", hex.EncodeToString(request.GetData()))
t.Log("results", hex.EncodeToString(results.GetData()))
t.Logf("results length %d ", results.GetPDU().Length())
t.Logf("results data %s", hex.EncodeToString(results.GetPDU().GetData()))
}