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