Hat Finger

Example

Prints fingerprint ID, access level, and recognition status to the serial console.

from m5stack import *
from m5ui import *
from uiflow import *
import hat

setScreenColor(0x111111)

hat_Finger_0 = hat.get(hat.FINGER)

hat_Finger_0.addUser(1, 1)
while True:
  print(hat_Finger_0.state)
  print(user_id)
  print(access)
  wait_ms(2)

API

hat_Finger_0.addUser(1, 1)

• Adds a fingerprint user ID and assigns an access level.

hat_Finger_0.readFingerCb(callback=hat_Finger_0_cb)

• Retrieves the status of an unknown user.

access

• Gets the access level information of the fingerprint user.

user_id

• Retrieves the ID of the fingerprint user.

hat_Finger_0.state

• Gets the status of the fingerprint recognition module.

hat_Finger_0.state

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

hat_Finger_0.removeAllUser()

• Deletes all stored user data.

hat_Finger_0.removeUser(1)

• Deletes the fingerprint data of a specified user ID.