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PicoScope 4000 Series (A API) Programmer's Guide 77
Copyright © 2008-2014 Pico Technology Ltd. All rights reserved. ps4000apg.en r1
4.52
ps4000aSetTriggerChannelConditions
PICO_STATUS ps4000aSetTriggerChannelConditions
(
int16_t handle,
PS4000A_CONDITION * conditions,
int16_t nConditions,
PS4000A_CONDITIONS_INFO info
)
This function sets up trigger conditions on the scope's inputs. The trigger is set up by
defining an array of one or more PS4000A_CONDITION structures that are then
ANDed together. The function can be called multiple times, in which case the trigger
logic is ORed with that defined by previous calls. This AND-OR logic allows you to
create any possible Boolean function of the scope's inputs.
Applicability
All modes
Arguments
handle, the handle of the required device.
* conditions, an array of PS4000A_CONDITION structures
specifying the conditions that should be applied to each channel. In
the simplest case, the array consists of a single element. When there
are several elements, the overall trigger condition is the logical AND
of all the elements.
nConditions, the number of elements in the conditions array,
or zero to switch off triggering.
info, determines whether the function clears previous conditions:
PS4000A_CLEAR, clears previous conditions
PS4000A_ADD, adds the specified conditions (ORing them with
previously set conditions, if any)
You can combine both actions by passing
(PS4000A_CONDITIONS_INFO)(PS4000A_CLEAR |
PS4000A_ADD).
Returns
PICO_OK
PICO_INVALID_HANDLE
PICO_USER_CALLBACK
PICO_CONDITIONS
PICO_MEMORY_FAIL
- PicoScope 4000 Series (A API) 1
- Contents 3
- 1 Welcome 7
- 2 Introduction 8
- Company details 9
- System requirements 9
- Installation instructions 10
- Voltage ranges 11
- Channel selection 12
- Triggering 12
- Downsampling 13
- Sampling modes 14
- [1] [2] [3] [4] 15
- Streaming mode 21
- Retrieving stored data 22
- Timebases 23
- 4 API functions 24
- API functions54 60
- Parameter 74
- AWG index modes 77
- PS4000A_CONDITION structure 84
- PS4000A_DIRECTION structure 86
- 6 Driver status codes 94
- 7 Programming examples 95
- 8 Glossary 98
- Pico Technology 106
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