Added idle Modbus client
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0403165da5
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/*@!Encoding:1252*/
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// This file is a Modbus Client that only performs queries in 'on start'
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includes
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{
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#include "include\ModbusUdp.cin" // Use UDP as Layer 4
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#include "include\ModbusClient.cin" // Use Modbus as Application Layer
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#include "include\DeviceInformation.cin" // Handle several vendors differently
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}
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variables
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{
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}
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on preStart
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{
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writeClear(0); // Clear write window in CANoe
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setStartdelay(10); // Wait for Ethernet device to be ready
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OutputDebugLevel = Error; // The debug level (messages in write window)
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}
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// Connect to Modbus server, read the status of output registers and bits and start the cyclic timer
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on start
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{
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char ip[16];
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sysGetVariableString("%BUS_TYPE%%CHANNEL%::%NODE_NAME%::Config", "IP", ip, elCount(ip)); // Get IP address of device from sysvars config
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DeviceInit(@sysvar::%BUS_TYPE%%CHANNEL%::%NODE_NAME%::Info::Vendor); // Set all device specific parameters (Wago / B&R)
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writeDbg(MbInfo, "Connecting to %s:%d", ip, @sysvar::Config::Modbus::Port);
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ModbusInit(ip, @sysvar::Config::Modbus::Port, @sysvar::Config::Modbus::RequestTimeout, @sysvar::Config::Modbus::MaxTransmissionCount); // Connect to device. Opens socket and connection or what ever
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if (gSocketState < CONNECTING) // We are not connecting and not connected
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return;
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//ModbusReadRegisters(0x1083, 1);
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}
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// Stop all transactions and close connection
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on preStop
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{
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ModbusEnd();
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}
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// Modbus events ----------------------------------------------------------------------
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/// All these events will be called by functions out of ModbusClientCommon.cin
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// -- Modbus Failures -----------------------------------------------------------------
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/// Several reasons are possible:
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/// error == Timeout: The packet will be resent
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/// error == FinalTimeout: The packet will not be resent
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/// error == Exception: The client responded with an exception (which again can have several reasons, see enum ModbusException)
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// This method gets called when an error occured while trying to read some bits (ModbusReadBits())
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void OnModbusReadBitsFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// This method gets called when an error occured while trying to read some registers (ModbusReadRegisters())
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void OnModbusReadRegistersFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// This method gets called when an error occured while trying to set a bit (ModbusWriteBit())
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void OnModbusWriteBitFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// This method gets called when an error occured while trying to set a register (ModbusWriteRegister())
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void OnModbusWriteRegisterFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// This method gets called when an error occured while trying to apply a mask on a register (ModbusWriteMask())
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void OnModbusWriteMasksFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// This method gets called when an error occured while trying to read and write registers (ModbusReadWriteRegisters())
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void OnModbusReadWriteRegistersFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// This method gets called when an error occured while trying to set multiple bits (ModbusWriteBits())
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void OnModbusWriteBitsFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// This method gets called when an error occured while trying to set multiple registers (ModbusWriteRegisters())
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void OnModbusWriteRegistersFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
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// -- Modbus Success ------------------------------------------------------------------
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/// These functions get called when a device responds that a request was fulfilled successfully
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/// Normally the Reponse as well the Request will be handed over
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// This method gets called when some bits were read successfully. See 'bitStatus' for their values and 'mbreq.Address' for their start address
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void OnModbusReadBitsSuccess(struct ModbusResReceiveBits mbres, byte bitStatus[], struct ModbusReqRead mbreq){}
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// This method gets called when some bits were read successfully. See 'mbres.Data' for their values and 'mbreq.Address' for their start address
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void OnModbusReadRegistersSuccess(struct ModbusResReceiveRegisters mbres, struct ModbusReqRead mbreq)
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{
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writeLineEx(0, 1, "<%NODE_NAME%> 0x%04X = 0x%04X (%d)", mbreq.Address, mbres.Data[0], mbres.Data[0]);
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}
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// This method gets called when a bit was set successfully.
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void OnModbusWriteBitSuccess(struct ModbusResConfirmSingle mbres){}
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// This method gets called when a register was set successsfully.
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void OnModbusWriteRegisterSuccess(struct ModbusResConfirmSingle mbres){}
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// This method gets called when multiple bits were set successfully.
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void OnModbusWriteBitsSuccess(struct ModbusResConfirmMultiple mbres){}
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// This method gets called when multiple registers were set successfully.
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void OnModbusWriteRegistersSuccess(struct ModbusResConfirmMultiple mbres){}
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// This method gets called when a mask was applied successfully.
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void OnModbusWriteMasksSuccess(struct ModbusResConfirmMasks mbres){}
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// This method gets called when the Modbus Client panics (saying a fatal error occured).
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// It will pass as argument what happened. Please see the log (increase debug level in preStart) for more details.
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void OnModbusClientPanics(enum FatalErrors reason)
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{
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switch(reason)
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{
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case ParsingBuffer:
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writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error while parsing the received buffer");
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break;
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case ModbusPackageWasSplit:
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writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error while parsing the received buffer: The Modbus package was split", reason);
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break;
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case VendorIdUnknown:
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writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: Vendor ID unknown");
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break;
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case FuncCodeIncorrect:
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writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: Function code is incorrect");
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break;
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case AddressFailure:
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writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: Start address is incorrect");
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break;
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case ConnectionError:
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writeLineEx(0, 4, "<%NODE_NAME%> Fatal Connection Error");
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break;
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case SwitchArgumentInvalid:
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writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: A argument of a switch statement is incorrect");
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break;
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}
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stop();
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runError(1001, reason);
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}
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