From 10c65da3d2af7056f48d9301e83f53f102f76e18 Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期一, 30 十月 2023 14:52:11 +0800
Subject: [PATCH] fix
---
service/plc.go | 284 +++++++++++++++++++++++++++++++++-----------------------
1 files changed, 168 insertions(+), 116 deletions(-)
diff --git a/service/plc.go b/service/plc.go
index 0e5e49f..68258b8 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -4,72 +4,22 @@
"apsClient/conf"
"apsClient/constvar"
"apsClient/model"
+ "apsClient/model/common"
"apsClient/pkg/logx"
"apsClient/pkg/plc"
+ "apsClient/pkg/plc/apacheplc4x"
+ "apsClient/pkg/plc/modbusx"
"apsClient/pkg/plccom"
"encoding/binary"
"errors"
"fmt"
"github.com/spf13/cast"
+ "sync/atomic"
)
-func PlcRead(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, position int) (val interface{}, err error) {
+func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, channel int32, value interface{}) (err error) {
var (
startAddress int
- valueType constvar.PlcStartAddressValueType
- dataLength int
- ipAddr string
- )
-
- for _, pc := range plcConfig.Details {
- if pc.FieldName == fieldType && pc.Position == position {
- startAddress = pc.StartAddress
- valueType = pc.Type
- dataLength = pc.Length
- }
- }
-
- if plcConfig.Method == constvar.PlcMethodModbusTCP {
- ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
-
- conn, err := plc.GetModbusConnection(ipAddr)
- if err != nil {
- logx.Errorf("PlcRead 杩炴帴plc澶辫触: %v", err.Error())
- return nil, err
- }
-
- rawData, err := plc.ReadHoldingRegister(conn, startAddress, dataLength)
- if err != nil {
- logx.Errorf("PlcRead 鑾峰彇plc鏁版嵁澶辫触: %v", err.Error())
- return nil, err
- }
- switch valueType {
- case constvar.PlcStartAddressValueTypeString:
- return string(rawData), nil
- case constvar.PlcStartAddressValueTypeInt:
- if len(rawData) == 2 {
- return int(binary.BigEndian.Uint16(rawData)), nil
- } else {
- logx.Errorf("plc read get an unknown int value: %v, address:%v", rawData, startAddress)
- return nil, errors.New(fmt.Sprintf("unknown int value锛�%v", rawData))
- }
- }
- return nil, errors.New("undefined value type")
- } else if plcConfig.Method == constvar.PlcMethodSerial {
- ipAddr = conf.Conf.Services.Serial
- if ipAddr == "" {
- return nil, errors.New("conf.Conf.Services.Serial config not set yet")
- }
- label := fmt.Sprintf("D%d", startAddress)
- return plccom.ReadPLC(plccom.DeviceTypeMitsubishi, ipAddr, label)
- }
- return nil, errors.New("interface type not support")
-}
-
-func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, position int, value interface{}) (err error) {
- var (
- startAddress int
- ipAddr string
)
if plcConfig.CurrentTryTimes > plcConfig.MaxTryTimes {
@@ -78,62 +28,36 @@
plcConfig.CurrentTryTimes++
for _, pc := range plcConfig.Details {
- if pc.FieldName == fieldType && pc.Position == position {
+ if pc.FieldName == fieldType && pc.Channel == channel {
startAddress = pc.StartAddress
}
}
-
- if plcConfig.Method == constvar.PlcMethodModbusTCP {
- ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
- conn, err := plc.GetModbusConnection(ipAddr)
- if err != nil {
- logx.Errorf("plc write failed, 杩炴帴plc澶辫触: %v", err.Error())
- plcConfig.CurrentErr = err
- return PlcWrite(plcConfig, fieldType, position, value)
- }
-
- result, err := plc.WriteHoldingRegister(conn, startAddress, value)
- if err != nil {
- logx.Errorf("plc write failed, address: %v, value: %v, err: %v", startAddress, value, err.Error())
- plcConfig.CurrentErr = err
- return PlcWrite(plcConfig, fieldType, position, value)
- }
- logx.Infof("plc write ok, address: %v, value: %v, result: %v", startAddress, value, result)
- } else if plcConfig.Method == constvar.PlcMethodSerial {
- ipAddr = conf.Conf.Services.Serial
- if ipAddr == "" {
- return errors.New("conf.Conf.Services.Serial config not set yet")
- }
- label := fmt.Sprintf("D%d", startAddress)
- return plccom.WritePLC(plccom.DeviceTypeMitsubishi, ipAddr, label, cast.ToInt(value))
- }
- return
+ return PlcWriteDirect(plcConfig, startAddress, value)
}
func PlcWriteDirect(plcConfig *model.DevicePlc, address int, value interface{}) (err error) {
var (
ipAddr string
)
-
- if plcConfig.CurrentTryTimes > plcConfig.MaxTryTimes {
- return plcConfig.CurrentErr
- }
- plcConfig.CurrentTryTimes++
+ defer dealErr(err)
if plcConfig.Method == constvar.PlcMethodModbusTCP {
ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
- conn, err := plc.GetModbusConnection(ipAddr)
- if err != nil {
- logx.Errorf("plc write failed, 杩炴帴plc澶辫触: %v", err.Error())
- plcConfig.CurrentErr = err
- return PlcWriteDirect(plcConfig, address, value)
- }
- result, err := plc.WriteHoldingRegister(conn, address, value)
+ err = WriteByModbusTCP(ipAddr, address, value)
+
if err != nil {
logx.Errorf("plc write failed, address: %v, value: %v, err: %v", address, value, err.Error())
- plcConfig.CurrentErr = err
- return PlcWriteDirect(plcConfig, address, value)
+ return err
}
- logx.Infof("plc write ok, address: %v, value: %v, result: %v", address, value, result)
+ logx.Infof("plc write ok, address: %v, value: %v", address, value)
+ } else if plcConfig.Method == constvar.PlcMethodModbusRTU {
+ ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
+ err = WriteByModbusRTU(plcConfig, address, value)
+
+ if err != nil {
+ logx.Errorf("plc write failed, address: %v, value: %v, err: %v", address, value, err.Error())
+ return err
+ }
+ logx.Infof("plc write ok, address: %v, value: %v", address, value)
} else if plcConfig.Method == constvar.PlcMethodSerial {
ipAddr = conf.Conf.Services.Serial
if ipAddr == "" {
@@ -145,30 +69,43 @@
return
}
-func PlcReadDirect(plcConfig *model.DevicePlc, address int, dataLength int) (val interface{}, err error) {
+func PlcReadDirect(plcConfig *model.DevicePlc, address int, dataLength int, valueType constvar.PlcStartAddressValueType) (val interface{}, err error) {
var (
ipAddr string
)
+ defer dealErr(err)
+ if plcConfig.Method == constvar.PlcMethodModbusTCP || plcConfig.Method == constvar.PlcMethodModbusRTU {
+ var value []byte
+ if plcConfig.Method == constvar.PlcMethodModbusTCP {
+ ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
+ value, err = ReadByModbusTCP(ipAddr, address, dataLength)
+ if err != nil {
+ return nil, err
+ }
+ } else {
+ value, err = ReadByModbusRTU(plcConfig, address, dataLength)
+ if err != nil {
+ return nil, err
+ }
+ }
- if plcConfig.CurrentTryTimes > plcConfig.MaxTryTimes {
- return nil, plcConfig.CurrentErr
- }
- plcConfig.CurrentTryTimes++
- if plcConfig.Method == constvar.PlcMethodModbusTCP {
- ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
- conn, err := plc.GetModbusConnection(ipAddr)
- if err != nil {
- logx.Errorf("plc write failed, 杩炴帴plc澶辫触: %v", err.Error())
- plcConfig.CurrentErr = err
- return PlcReadDirect(plcConfig, address, dataLength)
+ switch valueType {
+ case constvar.PlcStartAddressValueTypeString:
+ return string(value), nil
+ case constvar.PlcStartAddressValueTypeInt:
+ if len(value) == 2 {
+ val = binary.BigEndian.Uint16(value)
+ } else if len(value) == 4 {
+ low16Val := uint32(binary.BigEndian.Uint16(value[:2]))
+ high16 := uint32(binary.BigEndian.Uint16(value[2:])) << 16
+ val = low16Val + high16
+ } else {
+ logx.Errorf("plc read get an unknown int value: %v, address:%v", value, address)
+ return nil, errors.New(fmt.Sprintf("unknown int value锛�%v", value))
+ }
}
- value, err := plc.ReadHoldingRegister(conn, address, dataLength)
- if err != nil {
- logx.Errorf("plc read failed, address: %v, err: %v", address, err.Error())
- plcConfig.CurrentErr = err
- return PlcReadDirect(plcConfig, address, dataLength)
- }
- logx.Infof("plc read ok, address: %v, result: %v", address, value)
+ logx.Infof("plc read ok, address: %v, result: %v, dataLength: %v, valueLength: %v", address, val, dataLength, len(value))
+ return val, nil
} else if plcConfig.Method == constvar.PlcMethodSerial {
ipAddr = conf.Conf.Services.Serial
if ipAddr == "" {
@@ -179,3 +116,118 @@
}
return
}
+
+func ReadByModbusTCP(ipAddr string, address, length int) ([]byte, error) {
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ newLength := length / 2
+ if newLength == 0 {
+ newLength = 1
+ }
+ return apacheplc4x.ReadHoldingRegister(ipAddr, address, newLength)
+ } else if conf.Conf.PLC.Package == constvar.PlcPackageApacheLongConnection {
+ conn, err := plc.GetModbusConnection(ipAddr)
+ if err != nil {
+ return nil, err
+ }
+ newLength := length / 2
+ if newLength == 0 {
+ newLength = 1
+ }
+ return plc.ReadHoldingRegister(conn, address, newLength)
+ } else {
+ return modbusx.Read(ipAddr, uint16(address), uint16(length))
+ }
+}
+
+func WriteByModbusTCP(ipAddr string, address int, value any) (err error) {
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ _, err = apacheplc4x.WriteHoldingRegister(ipAddr, address, value)
+ return err
+ } else if conf.Conf.PLC.Package == constvar.PlcPackageApacheLongConnection {
+ conn, err := plc.GetModbusConnection(ipAddr)
+ if err != nil {
+ return err
+ }
+ _, err = plc.WriteHoldingRegister(conn, address, value)
+ return err
+ } else {
+ return modbusx.Write(ipAddr, uint16(address), cast.ToInt(value))
+ }
+}
+
+func ReadByModbusRTU(plcConfig *model.DevicePlc, address, length int) ([]byte, error) {
+ rtuConfig := &common.RTUConfig{
+ BaudRate: plcConfig.BaudRate,
+ SerialName: plcConfig.SerialName,
+ DataBit: plcConfig.DataBit,
+ StopBit: plcConfig.StopBit,
+ Parity: plcConfig.Parity,
+ }
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ newLength := length / 2
+ if newLength == 0 {
+ newLength = 1
+ }
+ return apacheplc4x.ReadHoldingRegisterByRTU(rtuConfig, address, newLength)
+ } else {
+ return modbusx.ReadByRTU(rtuConfig, uint16(address), uint16(length))
+ }
+}
+
+func WriteByModbusRTU(plcConfig *model.DevicePlc, address int, value any) (err error) {
+ rtuConfig := &common.RTUConfig{
+ BaudRate: plcConfig.BaudRate,
+ SerialName: plcConfig.SerialName,
+ DataBit: plcConfig.DataBit,
+ StopBit: plcConfig.StopBit,
+ Parity: plcConfig.Parity,
+ }
+ if conf.Conf.PLC.Package == constvar.PlcPackageApache {
+ _, err = apacheplc4x.WriteHoldingRegisterByRTU(rtuConfig, address, value)
+ return err
+ } else {
+ return modbusx.WriteByRTU(rtuConfig, uint16(address), cast.ToInt(value))
+ }
+}
+
+func PlcIsConnect() bool {
+ return IsConnect()
+}
+
+func dealErr(err error) {
+ if err != nil {
+ FailureRemainingOpportunitiesDecr() //鍑忓皯澶辫触鍓╀綑鏈轰細
+ } else {
+ FailureRemainingOpportunitiesReset() //閲嶇疆澶辫触鍓╀綑鏈轰細
+ }
+}
+
+var connectionStatus atomic.Bool
+
+var failureRemainingOpportunities atomic.Int64
+
+const (
+ defaultFailureRemainingOpportunities = 20
+)
+
+func IsConnect() bool {
+ return connectionStatus.Load()
+}
+
+func FailureRemainingOpportunitiesDecr() {
+ newValue := failureRemainingOpportunities.Add(-1)
+ if newValue <= 0 {
+ connectionStatus.Store(false)
+ }
+ return
+}
+
+func FailureRemainingOpportunitiesReset() {
+ if failureRemainingOpportunities.Load() < defaultFailureRemainingOpportunities {
+ failureRemainingOpportunities.Store(defaultFailureRemainingOpportunities)
+ }
+ if connectionStatus.Load() == false {
+ connectionStatus.Store(true)
+ }
+ return
+}
--
Gitblit v1.8.0