Commands: Fingerprint IB Sherlock

Fingerprint module

The iMatch45 device contains the Integrated Biometrics Sherlock Fingerprint Module.

Commands

• device: fpr method: power_on params: empty. Response: JSON string with product model numer, serial number, software version.
• device: fpr method: power_off params: empty
• device: fpr method: send params: base64 encoded byte array: { 0x45, ImageType} ImageType: TYPE_NONE, ROLL_SINGLE_FINGER, FLAT_SINGLE_FINGER, FLAT_TWO_FINGERS, FLAT_FOUR_FINGERS

Notification

Once the fpr device has been powered on it will send notifications (for example, finger count) as a response message

• device: fpr method: fp_count params: base64 encoded byte array: FINGER_COUNT_OK, TOO_MANY_FINGERS, TOO_FEW_FINGERS, NON_FINGER example: { 0x00 } = FINGER_COUNT_OK
• device: fpr method: fp_quality params: base64 encoded array of finger qualities: FINGER_NOT_PRESENT, QUALITY_GOOD, QUALITY_FAIR, QUALITY_POOR example: { 0x01, 0x02 } = QUALITY_GOOD, QUALITY_FAIR
• device: fpr method: fp_image params: base64 encoded WSQ