ApplicationStateChanged (FUN) ¶ FUNCTION ApplicationStateChanged : DINT Sets the state of the PLC application. Its up to the devices to react accordingly. @param state The state of the application. @return DAL_SUCCESS on success. DAL_FAILURE when at least one device returned an error. InOut: Scope Name Type Return ApplicationStateChanged DINT Input event ApplicationStateChangedEvent

CallDeviceSpecificFunction (FUN) ¶ FUNCTION CallDeviceSpecificFunction : DINT @brief Calls a device-specific function implemented by a device library. @param fnName Name of the function to invoke @param retVal Return value @param … Additional parameters @return DAL_SUCCESS if the function was invoked successfully DAL_FAILURE on error DAL_NOTUSED if the function was not found InOut: Scope Name Type Return CallDeviceSpecificFunction DINT Input fnName STRING retVal POINTER TO UDINT

CloseKbus (FUN) ¶ FUNCTION CloseKbus : DINT Closes the device @param deviceId Id of the device. @return Returns 0 on success, -1 otherwise. InOut: Scope Name Type Return CloseKbus DINT Input deviceId DINT

ConfigureDevice (FUN) ¶ FUNCTION ConfigureDevice : DINT Configures a device. @param deviceId Id of the device. @param configData The device specific configuration. @return Returns 0 on success, -1 otherwise. InOut: Scope Name Type Return ConfigureDevice DINT Input deviceId DINT configData POINTER TO BYTE

ConfigureSubdevice (FUN) ¶ FUNCTION ConfigureSubdevice : DINT Configures a sub device. @param deviceId Id of the device. @param subdeviceId Id of the sub device. @param configData The device specific configuration. @return Returns 0 on success, -1 otherwise. InOut: Scope Name Type Return ConfigureSubdevice DINT Input deviceId DINT subdeviceId DINT configData POINTER TO BYTE

DiagnoseGetDeviceState (FUN) ¶ FUNCTION DiagnoseGetDeviceState : DINT Get the state of the device (corresponds to codesys’ bus). @param[in] deviceId Id of the device. @param[in] bufferSize Size of the supplied buffer. @param[out] diagnoseBuffer Buffer where the state is stored in. @param[out] busState The state of the bus. @return Returns 0 on success, -1 otherwise. InOut: Scope Name Type Return DiagnoseGetDeviceState DINT Input deviceId DINT bufferSize UDINT diagnoseBuffer POINTER TO BYTE busState POINTER TO tBusState

DiagnoseGetSubdeviceState (FUN) ¶ FUNCTION DiagnoseGetSubdeviceState : DINT Get the state of a subdevice (corresponds to codesys’ device). @param deviceId Id of the device. @param subdeviceId Id of the device to get the state from. @param[in] bufferSize Size of the supplied buffer. @param[out] diagnoseBuffer Buffer where the state data is stored in. @param[out] diagnoseState The state of the diagnose. @return Returns 0 on success, -1 otherwise. InOut: Scope Name Type Return DiagnoseGetSubdeviceState DINT Input deviceId DINT subdeviceId DINT bufferSize UDINT diagnoseBuffer POINTER TO BYTE diagnoseState POINTER TO tDiagnoseState

GetDeviceFlags (FUN) ¶ FUNCTION GetDeviceFlags : DINT Returns the devices flags @param deviceId @param flags Pointer to the flags @return Returns 0 on success, -1 otherwise. InOut: Scope Name Type Return GetDeviceFlags DINT Input deviceId DINT flags POINTER TO UDINT

GetIoSizes (FUN) ¶ FUNCTION GetIoSizes : DINT Gets the sizes of the devices input and output. @param deviceId Id of the device. @param inputSize Pointer to where the size of the input will be stored. @param outputSize Pointer to where the size of the output will be stored. @return Returns 0 on success, -1 otherwise. InOut: Scope Name Type Return GetIoSizes DINT Input deviceId DINT inputSize POINTER TO UDINT outputSize POINTER TO UDINT

GetLastError (FUN) ¶ FUNCTION GetLastError : DINT The GetLastError method gets the last error set by the given device. @param deviceId The device to get the error from. @return Returns the error. InOut: Scope Name Type Return GetLastError DINT Input deviceId DINT error POINTER TO UDINT