Installation guide

PicoScope 4000 Series (A API) Programmer's Guide 81

4.54

ps4000aSetTriggerChannelProperties

PICO_STATUS ps4000aSetTriggerChannelProperties

(

int16_t handle,

PS4000A_TRIGGER_CHANNEL_PROPERTIES * channelProperties,

int16_t nChannelProperties,

int16_t auxOutputEnable,

int32_t autoTriggerMilliseconds

)

This function is used to enable or disable triggering and set its parameters.

Applicability

All modes

Arguments

handle, the handle of the required device.

* channelProperties, an array of

PS4000A_TRIGGER_CHANNEL_PROPERTIES 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 channels. If NULL is passed, triggering is switched

off.

nChannelProperties, the size of the channelProperties

array. If zero, triggering is switched off.

auxOutputEnable, not used

autoTriggerMilliseconds, the time in milliseconds for which the

scope device will wait before collecting data if no trigger event occurs.

If this is set to zero, the scope device will wait indefinitely for a

trigger.

Returns

PICO_OK

PICO_INVALID_HANDLE

PICO_USER_CALLBACK

PICO_TRIGGER_ERROR

PICO_MEMORY_FAIL

PICO_INVALID_TRIGGER_PROPERTY