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Classes hierarchy and member functions -- designed for easy use by making use of many default parameters -- LLABS <- root class   MyLL_USB <- can be used   as base class       Initialization         no argument init - function uses first device it finds and all default args. BOOLEAN Init_SP( ); get current default device ID that was found by call to function Init_SP. BOOLEAN GetDefDev_SP (USHORT* pusDevID);   Rate and calibration         rate     single argument rate change - function uses device from Init_SP() BOOLEAN ChangeCurDevRate_SP (DOUBLE* pdblRate);     calibration     single argument calibration - function uses device from Init_SP() BOOLEAN Calibrate_SP ();   Basic I/O         channel     single argument chan change - function uses device from Init_SP() BOOLEAN SetCurChan_SP (BYTE bChan); single argument chan read - function uses device from Init_SP() BOOLEAN GetCurChan_SP (BYTE* pbCurChan);     analog output (Model 302 only)     analog output - function uses device from Init_SP() BOOLEAN SendAnalogOut_SP (BYTE bDAC, DOUBLE dblVoltage);     digital output     single argument digital output - function uses device from Init_SP() BOOLEAN SendDigitalOutput_SP (BYTE bDigOutVal);     digital input     single argument digital input - function uses device from Init_SP() BOOLEAN GetDigitalInput_SP (BYTE* pbDiginVal);   Polled data mode         get one voltage     single argument getting voltage - function uses device from Init_SP() BOOLEAN GetOneVoltage_SP (DOUBLE* pdblVoltage);   Scanning data mode         start scan     single argument starting scan - function uses device from Init_SP(). Uses current channel. BOOLEAN StartScan_SP ();     read scan data     single argument getting scan voltages - function uses device from Init_SP() BOOLEAN GetScanVoltage_SP (PSCAN_INFO_USB_PNTS_SINGLE pScanInfoPntsSingle, DOUBLE* padblVoltages);     end scan     no argument ending scan - function uses device from Init_SP() BOOLEAN EndScan_SP ();   Miscellaneous functions         get status of last class function call you made     single argument get last error for device from Init_SP(). BOOLEAN GetLastDevError_SP (UINT* puiErrorCode); single argument get last error from any previously call function call, any device BOOLEAN GetLastAnyError_SP (UINT* puiErrorCode);     get device connection and power status     get device connection and power status for device from Init_SP(). BOOLEAN GetDevStatus_SP (UINT* puiConnectionStat, UINT* puiPowerStat);     get device initialization status     no argument check to see if any device was initialized using call to Init_SP(). Returns TRUE if there was. BOOLEAN GetCurDevInitStatus_SP ();     get device scan status     check to see if device is scanning and/or if it is safe to start scanning. Uses device ID from Init_SP() BOOLEAN GetCurDevScanStatus_SP (USHORT usDevID, BOOLEAN* fOkayToStartScan, BOOLEAN* fScanning); MyLL_TCPIP <- can be used   as base class       Initialization         no argument init - function uses first device it finds and all default args. BOOLEAN Init_SP ( ); get current default device ID address string if Init_SP was used. IP Address in format:   xxx.xxx.xxx.xxx BOOLEAN GetDefDev_SP (char* szDevIPAddress);   Rate and calibration         rate     single argument rate change - function uses device from Init_SP() BOOLEAN ChangeCurDevRate_SP (DOUBLE* pdblRate);     calibration     single argument calibration - function uses device from Init_SP() BOOLEAN Calibrate_SP ();   Basic I/O         channel     single argument chan change - function uses device from Init_SP() BOOLEAN SetCurChan_SP (BYTE bChan); single argument chan read - function uses device from Init_SP() BOOLEAN GetCurChan_SP (BYTE* pbCurChan);     analog output     analog output - function uses device from Init_SP() BOOLEAN SendAnalogOut_SP (BYTE bDAC, DOUBLE dblVoltage);     digital output     single argument digital output - function uses device from Init_SP() BOOLEAN SendDigitalOutput_SP (BYTE bDigOutVal);     digital input     single argument digital input - function uses device from Init_SP() BOOLEAN GetDigitalInput_SP (BYTE* pbDiginVal);   Polled data mode         get one 24-bit conversion     get one conversion (24-bit count) of device that you pass as arg BOOLEAN GetOneCount (char* szDevAddress, UINT* puiRawCount);     get one voltage     single argument getting voltage - function uses device from Init_SP() BOOLEAN GetOneVoltage_SP (DOUBLE* pdblVoltage);   Scanning data mode         start scan     single argument starting scan - function uses device from Init_SP(). Uses current channel. BOOLEAN StartScan_SP ();     read scan data     single argument getting scan voltages - function uses device from Init_SP() BOOLEAN GetScanVoltage_SP (PSCAN_INFO_TCPIP_PNTS_SINGLE pScanInfoPntsSingle, DOUBLE* padblVoltages);     end scan     no argument ending scan - function uses device from Init_SP() BOOLEAN EndScan_SP ();   Miscellaneous functions         get status of last class function call you made     single argument get last error for device from Init_SP(). BOOLEAN GetLastDevError_SP (UINT* puiErrorCode); single argument get last error from any previously call function call, any device BOOLEAN GetLastAnyError_SP (UINT* puiErrorCode);     get device connection status     get device connection and power status for device from Init_SP(). BOOLEAN GetDevStatus_SP (UINT* puiConnectionStat);     get device initialization status     no argument check to see if any device was initialized using call to Init_SP(). Returns TRUE if there was. BOOLEAN GetCurDevInitStatus_SP ();     get device scan status     check to see if device is scanning and/or if it is safe to start scanning. Uses device ID from Init_SP() BOOLEAN GetCurDevScanStatus_SP (char* szDevAddress, BOOLEAN* fOkayToStartScan, BOOLEAN* fScanning);      NOTICE:   TCP/IP and Serial class not yet available.     (use browser BACK button to return to where you were)

C/C++ Developer's USB Class usage examples

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C/C++ Developer's USB Class usage examples

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last modified: 5-22-02