| | |
| | | "apsClient/model/response" |
| | | _ "apsClient/model/response" |
| | | "apsClient/pkg/contextx" |
| | | "apsClient/pkg/plc/modbusx" |
| | | "apsClient/pkg/plc/apacheplc4x" |
| | | "apsClient/service" |
| | | "github.com/gin-gonic/gin" |
| | | "github.com/spf13/cast" |
| | |
| | | resp.TotalNumber = cast.ToInt(totalNumber) |
| | | |
| | | plcStatus := 1 //断开连接 |
| | | isConnect := modbusx.IsConnect() |
| | | isConnect := apacheplc4x.IsConnect() |
| | | if isConnect { |
| | | if resp.FinishNumber > 0 { //生产 |
| | | plcStatus = 2 |
New file |
| | |
| | | package apacheplc4x |
| | | |
| | | import ( |
| | | "apsClient/pkg/logx" |
| | | "context" |
| | | "errors" |
| | | "fmt" |
| | | plc4go "github.com/apache/plc4x/plc4go/pkg/api" |
| | | "github.com/apache/plc4x/plc4go/pkg/api/drivers" |
| | | apiModel "github.com/apache/plc4x/plc4go/pkg/api/model" |
| | | "github.com/apache/plc4x/plc4go/pkg/api/transports" |
| | | "sync/atomic" |
| | | "time" |
| | | ) |
| | | |
| | | func GetModbusConnection(ipAddr string) (plc4go.PlcConnection, error) { |
| | | // 创建一个上下文,并设置 3 秒超时 |
| | | ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second) |
| | | defer cancel() |
| | | conn, err := newGetModbusConnection(ctx, ipAddr) |
| | | if err != nil { |
| | | logx.Errorf("new modbus connection err: %v", err.Error()) |
| | | return nil, err |
| | | } |
| | | return conn, nil |
| | | } |
| | | |
| | | func newGetModbusConnection(ctx context.Context, ipAddr string) (plc4go.PlcConnection, error) { |
| | | // 创建驱动管理器 |
| | | driverManager := plc4go.NewPlcDriverManager() |
| | | // 注册TCP传输 |
| | | transports.RegisterTcpTransport(driverManager) |
| | | // 注册驱动 |
| | | //drivers.RegisterKnxDriver(driverManager) |
| | | drivers.RegisterModbusTcpDriver(driverManager) |
| | | |
| | | // 通过TCP连接PLC设备 |
| | | connectionString := fmt.Sprintf("modbus-tcp://%s", ipAddr) |
| | | connectionRequestChanel := driverManager.GetConnection(connectionString) |
| | | |
| | | // 等待连接响应,同时考虑上下文的超时 |
| | | select { |
| | | case connectionResult := <-connectionRequestChanel: |
| | | if err := connectionResult.GetErr(); err != nil { |
| | | return nil, err |
| | | } |
| | | return connectionResult.GetConnection(), nil |
| | | case <-ctx.Done(): |
| | | return nil, ctx.Err() |
| | | } |
| | | } |
| | | |
| | | func readHoldingRegisterSingle(connection plc4go.PlcConnection, address int) ([]byte, error) { |
| | | tag := fmt.Sprintf("tag:%v", address) |
| | | tagAddress := fmt.Sprintf("holding-register:%d:UINT", address) |
| | | |
| | | // 读模式 |
| | | readRequest, err := connection.ReadRequestBuilder().AddTagAddress(tag, tagAddress).Build() |
| | | if err != nil { |
| | | logx.Errorf("preparing read-request:%s\n", err.Error()) |
| | | return nil, err |
| | | } |
| | | |
| | | // 执行 |
| | | readResult := <-readRequest.Execute() |
| | | if err := readResult.GetErr(); err != nil { |
| | | logx.Errorf("execting read-request:%s\n", err.Error()) |
| | | return nil, err |
| | | } |
| | | |
| | | // 判断响应码是否正确 |
| | | if readResult.GetResponse().GetResponseCode(tag) != apiModel.PlcResponseCode_OK { |
| | | logx.Errorf("error an non-ok return code: %s", readResult.GetResponse().GetResponseCode(tag).GetName()) |
| | | return nil, nil |
| | | } |
| | | |
| | | value := readResult.GetResponse().GetValue(tag) |
| | | |
| | | return value.GetRaw(), err |
| | | |
| | | } |
| | | |
| | | func readHoldingRegisterList(connection plc4go.PlcConnection, address, length int) ([]byte, error) { |
| | | tag := fmt.Sprintf("tag:%v:%v", address, length) |
| | | tagAddress := fmt.Sprintf("holding-register:%d:UINT[%d]", address, length) |
| | | |
| | | // 读模式 |
| | | readRequest, err := connection.ReadRequestBuilder().AddTagAddress(tag, tagAddress).Build() |
| | | if err != nil { |
| | | logx.Errorf("preparing read-request:%s\n", err.Error()) |
| | | return nil, err |
| | | } |
| | | |
| | | // 执行 |
| | | readResult := <-readRequest.Execute() |
| | | if err := readResult.GetErr(); err != nil { |
| | | logx.Errorf("execting read-request:%s\n", err.Error()) |
| | | return nil, err |
| | | } |
| | | |
| | | // 判断响应码是否正确 |
| | | if readResult.GetResponse().GetResponseCode(tag) != apiModel.PlcResponseCode_OK { |
| | | logx.Errorf("error an non-ok return code: %s", readResult.GetResponse().GetResponseCode(tag).GetName()) |
| | | return nil, errors.New("error code: " + readResult.GetResponse().GetResponseCode(tag).GetName()) |
| | | } |
| | | |
| | | value := readResult.GetResponse().GetValue(tag) |
| | | |
| | | var result []byte |
| | | |
| | | for _, val := range value.GetList() { |
| | | result = append(result, val.GetRaw()...) |
| | | } |
| | | |
| | | return result, nil |
| | | } |
| | | |
| | | func ReadHoldingRegister(ipAddr string, address, length int) ([]byte, error) { |
| | | connection, err := GetModbusConnection(ipAddr) |
| | | if err != nil { |
| | | dealErr(err, ipAddr) |
| | | return nil, err |
| | | } |
| | | defer connection.Close() |
| | | if length > 1 { |
| | | return readHoldingRegisterList(connection, address, length) |
| | | } |
| | | |
| | | return readHoldingRegisterSingle(connection, address) |
| | | } |
| | | |
| | | func WriteHoldingRegister(ipAddr string, address int, value any) (string, error) { |
| | | connection, err := GetModbusConnection(ipAddr) |
| | | if err != nil { |
| | | dealErr(err, ipAddr) |
| | | return "", err |
| | | } |
| | | defer connection.Close() |
| | | tag := fmt.Sprintf("tag:%v:w", address) |
| | | tagAddress := fmt.Sprintf("holding-register:%d:UINT", address) |
| | | |
| | | // 写模式 |
| | | writeRequest, err := connection.WriteRequestBuilder().AddTagAddress(tag, tagAddress, value).Build() |
| | | if err != nil { |
| | | logx.Errorf("preparing read-request:%s\n", err.Error()) |
| | | return "", err |
| | | } |
| | | |
| | | // 执行 |
| | | writeResult := <-writeRequest.Execute() |
| | | if err := writeResult.GetErr(); err != nil { |
| | | logx.Errorf("execting read-request:%s\n", err.Error()) |
| | | return "", err |
| | | } |
| | | |
| | | // 判断响应码是否正确 |
| | | if writeResult.GetResponse().GetResponseCode(tag) != apiModel.PlcResponseCode_OK { |
| | | logx.Errorf("error an non-ok return code: %s", writeResult.GetResponse().GetResponseCode(tag).GetName()) |
| | | return "", errors.New("error code: " + writeResult.GetResponse().GetResponseCode(tag).GetName()) |
| | | } |
| | | |
| | | result := writeResult.GetResponse().String() |
| | | |
| | | return result, nil |
| | | } |
| | | |
| | | func dealErr(err error, ipAddr string) { |
| | | if err != nil { |
| | | FailureRemainingOpportunitiesDecr() //减少失败剩余机会 |
| | | } else { |
| | | FailureRemainingOpportunitiesReset() //重置失败剩余机会 |
| | | } |
| | | } |
| | | |
| | | 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 |
| | | } |
| | |
| | | "apsClient/constvar" |
| | | "apsClient/model" |
| | | "apsClient/pkg/logx" |
| | | "apsClient/pkg/plc" |
| | | "apsClient/pkg/plc/modbusx" |
| | | "apsClient/pkg/plc/apacheplc4x" |
| | | "apsClient/pkg/plccom" |
| | | "encoding/binary" |
| | | "errors" |
| | | "fmt" |
| | | "github.com/spf13/cast" |
| | | ) |
| | | |
| | | func PlcRead(plcConfig *model.DevicePlc, fieldType constvar.PlcStartAddressType, position int) (val 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 连接plc失败: %v", err.Error()) |
| | | return nil, err |
| | | } |
| | | |
| | | rawData, err := plc.ReadHoldingRegister(conn, startAddress, dataLength) |
| | | if err != nil { |
| | | logx.Errorf("PlcRead 获取plc数据失败: %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:%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 ( |
| | |
| | | //} |
| | | // |
| | | //result, err := plc.WriteHoldingRegister(conn, startAddress, value) |
| | | err = modbusx.Write(ipAddr, uint16(startAddress), value) |
| | | |
| | | //err = modbusx.Write(ipAddr, uint16(startAddress), value) |
| | | |
| | | _, err = apacheplc4x.WriteHoldingRegister(ipAddr, startAddress, value) |
| | | |
| | | if err != nil { |
| | | logx.Errorf("plc write failed, address: %v, value: %v, err: %v", startAddress, value, err.Error()) |
| | | plcConfig.CurrentErr = err |
| | |
| | | //} |
| | | //result, err := plc.WriteHoldingRegister(conn, address, value) |
| | | |
| | | err = modbusx.Write(ipAddr, uint16(address), value) |
| | | //err = modbusx.Write(ipAddr, uint16(address), value) |
| | | |
| | | _, err = apacheplc4x.WriteHoldingRegister(ipAddr, address, value) |
| | | |
| | | if err != nil { |
| | | logx.Errorf("plc write failed, address: %v, value: %v, err: %v", address, value, err.Error()) |
| | | return err |
| | |
| | | // return PlcReadDirect(plcConfig, address, dataLength, valueType) |
| | | //} |
| | | //value, err := plc.ReadHoldingRegister(conn, address, dataLength) |
| | | value, err := modbusx.Read(ipAddr, uint16(address), uint16(dataLength)) |
| | | |
| | | //value, err := modbusx.Read(ipAddr, uint16(address), uint16(dataLength)) |
| | | |
| | | value, err := apacheplc4x.ReadHoldingRegister(ipAddr, address, dataLength) |
| | | |
| | | if err != nil { |
| | | return nil, err |
| | | } |