From 040cd381f2e8475e9b4eb336b704ad878f56f4fa Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期四, 14 九月 2023 20:42:01 +0800
Subject: [PATCH] 适应性改动

---
 service/plc.go |   47 +++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/service/plc.go b/service/plc.go
index f2bbd0b..0e5e49f 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -13,7 +13,7 @@
 	"github.com/spf13/cast"
 )
 
-func PlcRead(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType) (val interface{}, err error) {
+func PlcRead(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, position int) (val interface{}, err error) {
 	var (
 		startAddress int
 		valueType    constvar.PlcStartAddressValueType
@@ -22,7 +22,7 @@
 	)
 
 	for _, pc := range plcConfig.Details {
-		if pc.FieldName == fieldType {
+		if pc.FieldName == fieldType && pc.Position == position {
 			startAddress = pc.StartAddress
 			valueType = pc.Type
 			dataLength = pc.Length
@@ -66,7 +66,7 @@
 	return nil, errors.New("interface type not support")
 }
 
-func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, value interface{}) (err error) {
+func PlcWrite(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, position int, value interface{}) (err error) {
 	var (
 		startAddress int
 		ipAddr       string
@@ -78,7 +78,7 @@
 	plcConfig.CurrentTryTimes++
 
 	for _, pc := range plcConfig.Details {
-		if pc.FieldName == fieldType {
+		if pc.FieldName == fieldType && pc.Position == position {
 			startAddress = pc.StartAddress
 		}
 	}
@@ -89,14 +89,14 @@
 		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)
+			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, value)
+			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 {
@@ -144,3 +144,38 @@
 	}
 	return
 }
+
+func PlcReadDirect(plcConfig *model.DevicePlc, address int, dataLength int) (val interface{}, err error) {
+	var (
+		ipAddr string
+	)
+
+	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)
+		}
+		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)
+	} 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", address)
+		return plccom.ReadPLC(plccom.DeviceTypeMitsubishi, ipAddr, label)
+	}
+	return
+}

--
Gitblit v1.8.0