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 33
Copyright © 2010-2011 Pico Technology Ltd. All rights reserved. usbdrdaqpg.en
3.5.24
UsbDrDaqGetPulseCount
PICO_STATUS UsbDrDaqGetPulseCount(
short handle,
USB_DRDAQ_GPIO IOChannel,
short * count
)
This function will return the current pulse count. It should be called after pulse
counting has been started using UsbDrDaqStartPulseCount .
Arguments:
handle: handle returned from UsbDrDaqOpenUnit or
UsbDrDaqOpenUnitProgress
IOChannel: GPIO of interest.
count: A location where the driver will write the current count.
Returns:
PICO_OK
PICO_NOT_FOUND
PICO_NOT_RESPONDING
PICO_INVALID_PARAMETER
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