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UIFlow Guide

UIFlow 1.0 Blockly

Event

Unit

UIFlow 1.0 Project

Face 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.
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