PicoScope 3000A Series Prog rammer's Guide 99
Copyright © 2011-2013 Pico Technology Limited. All rights reserved. ps3000abpg.en r9
2.12.58
ps3000aSetTriggerDigitalPortProperties
PICO_STATUS ps3000aSetTriggerDigitalPortProperties
(
short handle,
PS3000A_DIGITAL_CHANNEL_DIRECTIONS * directions
short nDirections
)
This function will set the individual digital channels' trigger directions. Each trigger
direction consists of a channel name and a direction. If the channel is not included in
the array of PS3000A_DIGITAL_CHANNEL_DIRECTIONS the driver assumes the
digital channel's trigger direction is PS3000A_DIGITAL_DONT_CARE.
handle, the handle of the required device.
* directions, a pointer to an array of
PS3000A_DIGITAL_CHANNEL_DIRECTIONS structures describing
the requested properties. The array can contain a single element
describing the properties of one channel, or a number of elements
describing several digital channels. If directions is NULL, digital
triggering is switched off. A digital channel that is not included in the
array will be set to PS3000A_DIGITAL_DONT_CARE.
nDirections, the number of digital channel directions being passed
to the driver.
PICO_OK
PICO_INVALID_HANDLE
PICO_DRIVER_FUNCTION
PICO_INVALID_DIGITAL_CHANNEL
PICO_INVALID_DIGITAL_TRIGGER_DIRECTION