User Manual

Programming with the PicoScope 4000 Series82

4.10.55

ps4000SetTriggerChannelProperties

PICO_STATUS ps4000SetTriggerChannelProperties

(

short handle,

TRIGGER_CHANNEL_PROPERTIES * channelProperties

short nChannelProperties

short auxOutputEnable,

long 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, a pointer to an array of

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