Installation guide

PicoScope 4000 Series (A API) Programmer's Guide 67

4.46

ps4000aSetPulseWidthQualifierProperties

PICO_STATUS ps4000aSetPulseWidthQualifierProperties

(

int16_t handle,

PS4000A_THRESHOLD_DIRECTION direction,

uint32_t lower,

uint32_t upper,

PS4000A_PULSE_WIDTH_TYPE type

)

This function configures the general properties of the pulse width qualifier.

Applicability

All modes

Arguments

handle, the handle of the required device

direction, the direction of the signal required for the trigger to

fire. See PS4000A_DIRECTION for allowable values.

lower, the lower limit of the pulse width counter

upper, the upper limit of the pulse width counter. This parameter is

used only when the type is set to PW_TYPE_IN_RANGE or

PW_TYPE_OUT_OF_RANGE.

type, the pulse width type, one of these constants:

PW_TYPE_NONE (do not use the pulse width qualifier)

PW_TYPE_LESS_THAN (pulse width less than lower)

PW_TYPE_GREATER_THAN (pulse width greater than lower)

PW_TYPE_IN_RANGE (pulse width between lower and upper)

PW_TYPE_OUT_OF_RANGE (pulse width not between lower and

upper)

Returns

PICO_OK

PICO_INVALID_HANDLE

PICO_USER_CALLBACK

PICO_CONDITIONS

PICO_PULSE_WIDTH_QUALIFIER