128 lines
No EOL
6.4 KiB
Text
128 lines
No EOL
6.4 KiB
Text
/*@!Encoding:1252*/
|
|
|
|
// This file is a Modbus Client that only performs queries in 'on start'
|
|
|
|
includes
|
|
{
|
|
#include "include\ModbusUdp.cin" // Use UDP as Layer 4
|
|
#include "include\ModbusClient.cin" // Use Modbus as Application Layer
|
|
#include "include\DeviceInformation.cin" // Handle several vendors differently
|
|
}
|
|
|
|
variables
|
|
{
|
|
|
|
}
|
|
|
|
on preStart
|
|
{
|
|
writeClear(0); // Clear write window in CANoe
|
|
setStartdelay(10); // Wait for Ethernet device to be ready
|
|
OutputDebugLevel = Error; // The debug level (messages in write window)
|
|
}
|
|
|
|
// Connect to Modbus server, read the status of output registers and bits and start the cyclic timer
|
|
on start
|
|
{
|
|
char ip[16];
|
|
sysGetVariableString("%BUS_TYPE%%CHANNEL%::%NODE_NAME%::Config", "IP", ip, elCount(ip)); // Get IP address of device from sysvars config
|
|
|
|
DeviceInit(@sysvar::%BUS_TYPE%%CHANNEL%::%NODE_NAME%::Info::Vendor); // Set all device specific parameters (Wago / B&R)
|
|
|
|
writeDbg(MbInfo, "Connecting to %s:%d", ip, @sysvar::Config::Modbus::Port);
|
|
ModbusInit(ip, @sysvar::Config::Modbus::Port, @sysvar::Config::Modbus::RequestTimeout, @sysvar::Config::Modbus::MaxTransmissionCount); // Connect to device. Opens socket and connection or what ever
|
|
|
|
if (gSocketState < CONNECTING) // We are not connecting and not connected
|
|
return;
|
|
|
|
//ModbusReadRegisters(0x1083, 1);
|
|
}
|
|
|
|
// Stop all transactions and close connection
|
|
on preStop
|
|
{
|
|
ModbusEnd();
|
|
}
|
|
|
|
|
|
// Modbus events ----------------------------------------------------------------------
|
|
/// All these events will be called by functions out of ModbusClientCommon.cin
|
|
|
|
// -- Modbus Failures -----------------------------------------------------------------
|
|
/// Several reasons are possible:
|
|
/// error == Timeout: The packet will be resent
|
|
/// error == FinalTimeout: The packet will not be resent
|
|
/// error == Exception: The client responded with an exception (which again can have several reasons, see enum ModbusException)
|
|
|
|
// This method gets called when an error occured while trying to read some bits (ModbusReadBits())
|
|
void OnModbusReadBitsFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
// This method gets called when an error occured while trying to read some registers (ModbusReadRegisters())
|
|
void OnModbusReadRegistersFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
// This method gets called when an error occured while trying to set a bit (ModbusWriteBit())
|
|
void OnModbusWriteBitFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
// This method gets called when an error occured while trying to set a register (ModbusWriteRegister())
|
|
void OnModbusWriteRegisterFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
// This method gets called when an error occured while trying to apply a mask on a register (ModbusWriteMask())
|
|
void OnModbusWriteMasksFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
// This method gets called when an error occured while trying to read and write registers (ModbusReadWriteRegisters())
|
|
void OnModbusReadWriteRegistersFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
// This method gets called when an error occured while trying to set multiple bits (ModbusWriteBits())
|
|
void OnModbusWriteBitsFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
// This method gets called when an error occured while trying to set multiple registers (ModbusWriteRegisters())
|
|
void OnModbusWriteRegistersFailed(enum ModbusRequestError error, enum ModbusException ex, struct ModbusApHeader mbap){}
|
|
|
|
// -- Modbus Success ------------------------------------------------------------------
|
|
/// These functions get called when a device responds that a request was fulfilled successfully
|
|
/// Normally the Reponse as well the Request will be handed over
|
|
|
|
|
|
// This method gets called when some bits were read successfully. See 'bitStatus' for their values and 'mbreq.Address' for their start address
|
|
void OnModbusReadBitsSuccess(struct ModbusResReceiveBits mbres, byte bitStatus[], struct ModbusReqRead mbreq){}
|
|
// This method gets called when some bits were read successfully. See 'mbres.Data' for their values and 'mbreq.Address' for their start address
|
|
void OnModbusReadRegistersSuccess(struct ModbusResReceiveRegisters mbres, struct ModbusReqRead mbreq)
|
|
{
|
|
writeLineEx(0, 1, "<%NODE_NAME%> 0x%04X = 0x%04X (%d)", mbreq.Address, mbres.Data[0], mbres.Data[0]);
|
|
}
|
|
// This method gets called when a bit was set successfully.
|
|
void OnModbusWriteBitSuccess(struct ModbusResConfirmSingle mbres){}
|
|
// This method gets called when a register was set successsfully.
|
|
void OnModbusWriteRegisterSuccess(struct ModbusResConfirmSingle mbres){}
|
|
// This method gets called when multiple bits were set successfully.
|
|
void OnModbusWriteBitsSuccess(struct ModbusResConfirmMultiple mbres){}
|
|
// This method gets called when multiple registers were set successfully.
|
|
void OnModbusWriteRegistersSuccess(struct ModbusResConfirmMultiple mbres){}
|
|
// This method gets called when a mask was applied successfully.
|
|
void OnModbusWriteMasksSuccess(struct ModbusResConfirmMasks mbres){}
|
|
|
|
|
|
// This method gets called when the Modbus Client panics (saying a fatal error occured).
|
|
// It will pass as argument what happened. Please see the log (increase debug level in preStart) for more details.
|
|
void OnModbusClientPanics(enum FatalErrors reason)
|
|
{
|
|
switch(reason)
|
|
{
|
|
case ParsingBuffer:
|
|
writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error while parsing the received buffer");
|
|
break;
|
|
case ModbusPackageWasSplit:
|
|
writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error while parsing the received buffer: The Modbus package was split", reason);
|
|
break;
|
|
case VendorIdUnknown:
|
|
writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: Vendor ID unknown");
|
|
break;
|
|
case FuncCodeIncorrect:
|
|
writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: Function code is incorrect");
|
|
break;
|
|
case AddressFailure:
|
|
writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: Start address is incorrect");
|
|
break;
|
|
case ConnectionError:
|
|
writeLineEx(0, 4, "<%NODE_NAME%> Fatal Connection Error");
|
|
break;
|
|
case SwitchArgumentInvalid:
|
|
writeLineEx(0, 4, "<%NODE_NAME%> Fatal Error: A argument of a switch statement is incorrect");
|
|
break;
|
|
}
|
|
stop();
|
|
runError(1001, reason);
|
|
} |