From d4272e1b692515af9c47799a658e395703d13555 Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期四, 07 九月 2023 21:22:49 +0800
Subject: [PATCH] 支持串口读写
---
service/plc.go | 127 +++++++++++++++++++++++++++++++-----------
1 files changed, 93 insertions(+), 34 deletions(-)
diff --git a/service/plc.go b/service/plc.go
index 090b4bc..f2bbd0b 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -1,13 +1,16 @@
package service
import (
+ "apsClient/conf"
"apsClient/constvar"
"apsClient/model"
"apsClient/pkg/logx"
"apsClient/pkg/plc"
+ "apsClient/pkg/plccom"
"encoding/binary"
"errors"
"fmt"
+ "github.com/spf13/cast"
)
func PlcRead(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType) (val interface{}, err error) {
@@ -25,31 +28,42 @@
dataLength = pc.Length
}
}
- 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
- }
+ if plcConfig.Method == constvar.PlcMethodModbusTCP {
+ ipAddr = fmt.Sprintf("%s:%v", plcConfig.Address, plcConfig.Port)
- 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
- }
- 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))
+ 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("undefined value type")
+ return nil, errors.New("interface type not support")
}
func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, value interface{}) (err error) {
@@ -68,20 +82,65 @@
startAddress = pc.StartAddress
}
}
- 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, 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, value)
+ 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, 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, 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))
}
- logx.Infof("plc write ok, address: %v, value: %v, result: %v", startAddress, value, result)
+ return
+}
+
+func PlcWriteDirect(plcConfig *model.DevicePlc, address int, value interface{}) (err error) {
+ var (
+ ipAddr string
+ )
+
+ if plcConfig.CurrentTryTimes > plcConfig.MaxTryTimes {
+ return 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 PlcWriteDirect(plcConfig, address, value)
+ }
+ result, err := plc.WriteHoldingRegister(conn, 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)
+ }
+ logx.Infof("plc write ok, address: %v, value: %v, result: %v", address, 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", address)
+ return plccom.WritePLC(plccom.DeviceTypeMitsubishi, ipAddr, label, cast.ToInt(value))
+ }
return
}
--
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