User manual
Table Of Contents
- Introduction
- Getting started
- Writing your own software
- About the driver
- Installing the driver
- Connecting the logger
- Capture modes
- USB DrDAQ Routines
- Summary
- UsbDrDaqOpenUnit
- UsbDrDaqCloseUnit
- UsbDrDaqGetUnitInfo
- UsbDrDaqRun
- UsbDrDaqReady
- UsbDrDaqStop
- UsbDrDaqSetInterval
- UsbDrDaqSetTrigger
- UsbDrDaqGetValues
- UsbDrDaqGetTriggerTimeOffsetNs
- UsbDrDaqGetSingle
- UsbDrDaqOpenUnitAsync
- UsbDrDaqOpenUnitProgress
- UsbDrDaqGetScalings
- UsbDrDaqSetScalings
- UsbDrDaqSetSigGenBuiltIn
- UsbDrDaqSetSigGenArbitrary
- UsbDrDaqStopSigGen
- UsbDrDaqSetDO
- UsbDrDaqSetPWM
- UsbDrDaqGetInput
- UsbDrDaqStartPulseCount
- UsbDrDaqGetPulseCount
- UsbDrDaqEnableRGBLED
- UsbDrDaqSetRGBLED
- UsbDrDaqGetChannelInfo
- PICO_STATUS values
- Programming support
- Glossary
USB DrDAQ Programmer's Guide 21
Copyright © 2010-2011 Pico Technology Ltd. All rights reserved. usbdrdaqpg.en
3.5.12
UsbDrDaqGetSingle
PICO_STATUS UsbDrDaqGetSingle(
short handle,
USB_DrDAQ_INPUTS channel,
unsigned short * value
unsigned short * overflow
)
This function returns a single sample value from the specified input channel.
Arguments:
handle: handle returned from UsbDrDaqOpenUnit or
UsbDrDaqOpenUnitProgress
channel: which channel to sample
value: a location where the function will write the sample value
overflow: on exit, a bit field indicating which, if any, input
channels overflowed the input range of the device. A bit set to 1
indicates an overflow. The least significant bit corresponds to channel
1. May be NULL if an overflow warning is not required.
Returns:
PICO_OK
PICO_INVALID_HANDLE
PICO_NO_SAMPLES_AVAILABLE
PICO_DEVICE_SAMPLING
PICO_NULL_PARAMETER
PICO_INVALID_PARAMETER
PICO_DATA_NOT_AVAILABLE
PICO_INVALID_CALL
PICO_NOT_RESPONDING
PICO_MEMORY
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