Home Contents | # v4kf:sensors | V4kf | Core4 Lua Event System

## SYNOPSIS

#include <v4kf.lh>
bits = rdrhandle:sensors()

## DESCRIPTION

Returns the last polled state of the reader's sensors. The return value is a bit-field value with the bits indicating:

Bit | V4KF | V2BF | V2XF | Description
--- | --- | --- | --- | ---
V4KF_SENSE_S0 |  | * |  | Front sensor
V4KF_SENSE_S1 | * | * | * | Card position sensor
V4KF_SENSE_S2 | * | * | * | Card position sensor
V4KF_SENSE_S3 |  | * | * | Card position sensor
V4KF_SENSE_S4 |  | * | * | Rear sensor
V4KF_SENSE_WID |  |  | * | Card width detection switch in shutter
V4KF_SENSE_SHD |  |  | * | Magstripe detection sensor in shutter
V4KF_SENSE_SHE | * |  | * | Shutter open sensor
V4KF_SENSE_ICA | * | * | * | IC contact is active
V4KF_SENSE_CHE | * | * | * | IC contact press sensor
V4KF_SENSE_TAMPER | * |  |  | Tamper sensor
V4KF_SENSE_MOTOR0 |  | * | * | Motor speed bit 0
V4KF_SENSE_MOTOR1 |  | * | * | Motor speed bit 1

## RETURN VALUE

Returns an integer value.

## SEE ALSO

v4kf:hasCard, v4kf:hasLockedCard, v4kf:isEmpty, v4kf.senseChanged