SM_Close SM_ConfigureSerialConnection SM_ConfigureSerialTimeouts SM_CustomMessage SM_GetAnalogConfig SM_GetAnalogInputConfig SM_GetAnalogInputRanges SM_GetAnalogOutputRanges SM_GetDeviceConfig SM_GetFirmwareVersion SM_GetLastError SM_GetLastFTDIError SM_GetLastWin32Error SM_GetPIODirection SM_GetPIOPresets SM_GlobalCommsReset SM_NotifyInputState SM_NotifyOnInputChange SM_Open SM_OpenSecure SM_ReadAnalogInputs SM_ReadAnalogOutputs SM_ReadDigitalInputs SM_ReadDigitalOutputs SM_ReadPIO SM_SelectDevice SM_SetAnalogConfig SM_SetAnalogInputConfig SM_SetAnalogInputRanges SM_SetCommunications SM_SetPIODirection SM_SetPIOPresets SM_SetPolarity SM_SetSoftwareAddress SM_Version SM_WriteAnalogOutputs SM_WriteDigitalOutputs SM_WritePIO

int __stdcall SM_NotifyInputState ( SM_HANDLE  handle, int  cancel  ) Checks or cancels the notify input state status. Parameters [in] handle Valid handle returned by SM_Open(). [in] cancel Non zero value indicates the current notify operation should be canceled. Return values 2 Last input read failed. Will try again (non-terminal). 1 Input state has changed. values parameter to SM_NotifyOnInputChange() now contains valid input state. 0 No change in inputs detected. -1 Invalid SeaMAX handle. -2 There is no currently outstanding NotifyOnInputChange request started. You must call SM_NotifyOnInputChange() first. -3 Could not read inputs. Parameters may be incorrect or the device may not be reachable, present, or may be busy. -4 Read request has been canceled. This function allows the caller to check on the status of a notify request that was previously issued. Also, SM_NotifyInputState() allows the caller to cancel an outstanding request. See SM_NotifyOnInputChange() for more details. Note One or more of the return values are non-terminal. Non-terminal error codes indicates that there was a problem which did not force a cancelation of the request, and that the request will continue until completed or until canceled by the caller. See also SM_NotifyOnInputChange() Referenced by SM_SelectDevice().