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Pre-initialization
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Declare Function SP_DisableDialog Lib "LL_USB.DLL" () As Byte
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Pre-initialization
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Declare Function SPx_SetProcessPriorityBoost Lib "LL_USB.DLL" _
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ByVal bProcessPriority As Byte) As Byte
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Intialization of DEVICES
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new style (non-threaded)
recommended for less than 3 devices
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Declare Function SP_InitAllDevices Lib "LL_USB.DLL" _
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(ByRef pausDevList As Integer, ByRef pbNumDevices_SP As Byte _
ByRef padblRate As Double, ByVal fShowDevList As Byte) As Byte
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new style (threaded)
recommended for 3 or more devices
Includes supporting functions
(must be used together)
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Declare Function SP_InitAllDevices_Thread Lib "LL_USB.DLL" _
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(ByRef pausDevList As Integer, ByRef padblRate As Double,
ByVal fShowDevList As Byte) As Byte
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Declare Function SP_GetInitThreadStat Lib "LL_USB.DLL"
() As Byte
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Declare Function SP_GetLastInitDevAndRates Lib "LL_USB.DLL" _
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(ByRef pausDevList As Integer, ByRef padblRate As Double) As Byte
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old style (non-threaded)
no longer recommended
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Declare Function DLL_Init Lib "LL_USB.DLL" _
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(ByVal hMainWin As Long, ByVal hValIgnored As Long, _
ByVal hValIgnored As Long, ByVal fDebugLevel As Integer, _
ByRef pNumDevices As Byte, ByRef pbDeviceStatusShared As Byte, _
ByRef pausLLABS_DeviceIDList As Integer) As Byte
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Device rate and calibration
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Changing rate
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Declare Function SP_SendRate Lib "LL_USB.DLL" _
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(ByRef pdblRate As Double, ByVal usDevID As Integer) As Byte
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System calibration
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Declare Function SP_SystemCalibration Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal bCurChan as Byte) As Byte
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change channel
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Declare Function SP_SendChan Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal bCurChan as Byte, ByRef pbReserved as Byte) As Byte
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send digital output
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Declare Function SP_SendDigOut Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal bDigOut as Byte, ByRef pbReserved as Byte) As Byte
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send analog output
(Model 302 only)
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Declare Function SP_SendDAC Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal dblVoltage As Double, _
ByVal bDAC as Byte, ByRef pbReserved as Byte) As Byte
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direct read/write of device
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Declare Function SP_ReadWriteOneDevice Lib "LL_USB.DLL" _
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(ByVal fReadWrite As Byte, ByRef pbDynamicDataArray as Byte _
ByVal usDevID As Integer, ByRef pNumBytes as Long, ByRef pbDigIn as Byte _
ByVal bCurChan As Byte, ByRef puiFlags as Long) As Byte
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get one conversion (new style - see note that follows)
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Note:
This is the newest and recommended method for reading a single 24-bit data (voltage)
from the device. This call has both error recover and is much easier to implement than
the "old style" method that required a special token to be written to the
device, the data read, and error recovery implemented.
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Declare Function SP_GetOneConversion Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByRef puiConvRawCount as Long _
ByVal bCurChan As Byte, ByRef pbLastDigin as Byte) As Byte
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start scan
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Declare Function DLL_StartScan_DIO Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByRef pScanObject As SCAN_OBJECT _
ByVal bReserved As Byte) As Byte
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read scan data
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Declare Function DLL_ReadScanData_DIO Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByRef pauiDataBuff as Long _
ByVal usNumPointsToRead As Integer, ByRef pScanObject As SCAN_OBJECT) As Byte
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read scan data with digital input
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Declare Function DLL_ReadScanDataWithDigin Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByRef pauiDataBuff as Long, _
ByRef pabDiginBuff as Byte, ByRef pbCurChan as Byte, _
ByVal usNumPointsToRead As Integer, ByRef pScanObject As SCAN_OBJECT) As Byte
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write device while scanning
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Declare Function SP_WriteWhileScanning Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal bCmnd as Byte _
ByVal bArg As Byte, ByRef puiCurWriteStat As Long) As Byte
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write to device while scanning (special)
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Declare Function SP_WriteWhileScanning Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal bCmnd as Byte, _
ByRef pabDiginBuff as Byte, ByRef pbCurChan as Byte, _
ByVal bArg As Byte, ByRef puiCurWriteStat As Long) As Byte
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end scan (see note below)
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It is recommended that you now use the newer "SP_EndScan()" function shown
further down in this document. Many of the arguments of this old style
function call are no longer used by the DLL and those have been removed
from the new function call.
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Please use newer SP_EndScan function shown further down within this document
Declare Function DLL_EndScan_DIO Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal fReserved As Byte _
ByVal uiReserved As Long, ByVal uiReserved As Long) As Byte
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end scan (recommended)
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Declare Function SP_EndScan Lib "LL_USB.DLL" _
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(ByVal usDevID) As Byte
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get last device initialization status
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Declare Function SP_GetLastInitStat Lib "LL_USB.DLL" _
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(ByRef pDevList as Integer, ByRef puiFlags as Long) As Byte
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get device status (one device)
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Declare Function SP_GetDevStat Lib "LL_USB.DLL" _
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(ByVal usDevID as Integer, ByRef puiDevStat as Long) As Byte
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get device status (multiple devices)
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Declare Function SP_GetDevStatEx Lib "LL_USB.DLL" _
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(ByRef pauiDevStat As Long, ByRef pausAllDevList as Integer _
ByRef pbNumDevices as Byte) As Byte
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check device power
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Declare Function SP_CheckPower Lib "LL_USB.DLL" _
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(ByVal usDevID as Integer, ByVal bCurChan as Byte, ByRef pbDigIn As Byte, _
ByRef puiFlags as Long) As Byte
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send a reset to device
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Declare Function SP_SendReset Lib "LL_USB.DLL" _
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(ByVal usDevID As Integer, ByVal bCurChan As Byte _
ByRef pbDigIin as Byte) As Byte
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get copy of registry device list
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Declare Function SP_GetRegDevList Lib "LL_USB.DLL" _
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(ByRef usDevIDList As Integer, ByVal uiUnused as Long) As Byte
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increase process priority level
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Declare Function SP_SetProcessPriorityBoost Lib "LL_USB.DLL" _
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(ByVal bBoost as Byte) As Byte
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