User Manual

Programming with the PicoScope 4000 Series78

4.10.52

ps4000SetSimpleTrigger

PICO_STATUS ps4000SetSimpleTrigger

(

short handle,

short enable,

PS4000_CHANNEL source,

short threshold,

THRESHOLD_DIRECTION direction,

unsigned long delay,

short autoTrigger_ms

)

This function simplifies arming the trigger. It supports only the LEVEL trigger types

and does not allow more than one channel to have a trigger applied to it. Any

previous pulse width qualifier is cancelled.

Applicability

All modes

Arguments

handle, the handle of the required device.

enabled, zero to disable the trigger, any non-zero value to set the

trigger.

source, the channel on which to trigger.

threshold, the ADC count at which the trigger will fire.

direction, the direction in which the signal must move to cause a

trigger. The following directions are supported: ABOVE, BELOW,

RISING, FALLING and RISING_OR_FALLING.

delay, the time between the trigger occurring and the first sample

being taken.

autoTrigger_ms, the number of milliseconds the device will wait if

no trigger occurs.

Returns

PICO_OK

PICO_INVALID_HANDLE

PICO_USER_CALLBACK

PICO_DRIVER_FUNCTION