Faces Finger

Example

Add a fingerprint user with a specified user ID and access level, then continuously print the user's access level, ID, and status in a loop, and finally remove the user's information.

from m5stack import *
from m5ui import *
from uiflow import *
import face

setScreenColor(0x222222)

faces_finger = face.get(face.FINGER)

faces_finger.addUser(1, 1)
while True:
  print((str('access: ') + str((access))))
  print((str('id: ') + str((user_id))))
  print((str('state: ') + str((faces_finger.state))))
  faces_finger.removeUser(1)
  wait_ms(2)

API

faces_finger.addUser(1, 1)

• Adds a user fingerprint with a specified user ID and access level.

def faces_finger_unknownCb():
    # global params
  pass
faces_finger.getUnknownCb(faces_finger_unknownCb)

• Retrieves information about unregistered fingerprints, typically used to detect if there are any new fingerprints that haven't been recognized.

access

• Retrieves the access level of the current fingerprint.

user_id

• Retrieves the user ID of the current fingerprint.

faces_finger.state

• Retrieves the status information of the current fingerprint.

def faces_finger_cb(user_id, access):
  # global params
  pass
faces_finger.readFingerCb(callback=faces_finger_cb)

• Reads user information with a specific user ID and access level.

faces_finger.removeAllUser()

• Removes all stored fingerprint user information. This operation will clear all registered user data.

faces_finger.removeUser(1)

• Removes the fingerprint user information with the specified ID. By entering the user ID, you can delete the corresponding fingerprint user data.