1765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#!/usr/bin/python 2765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# Author: Zion Orent <zorent@ics.com> 3765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# Copyright (c) 2015 Intel Corporation. 4765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# 5765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# Permission is hereby granted, free of charge, to any person obtaining 6765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# a copy of this software and associated documentation files (the 7765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# "Software"), to deal in the Software without restriction, including 8765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# without limitation the rights to use, copy, modify, merge, publish, 9765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# distribute, sublicense, and/or sell copies of the Software, and to 10765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# permit persons to whom the Software is furnished to do so, subject to 11765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# the following conditions: 12765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# 13765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# The above copyright notice and this permission notice shall be 14765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# included in all copies or substantial portions of the Software. 15765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# 16765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 24765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangimport time, sys, signal, atexit 25765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangimport pyupm_zfm20 as upmZfm20 26765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 27765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# Instantiate a ZFM20 Fingerprint reader on UART 0 28765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangmyFingerprintSensor = upmZfm20.ZFM20(0) 29765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 30765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 31765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang## Exit handlers ## 32765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# This stops python from printing a stacktrace when you hit control-C 33765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangdef SIGINTHandler(signum, frame): 34765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang raise SystemExit 35765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 36765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# This function lets you run code on exit, 37765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# including functions from myFingerprintSensor 38765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangdef exitHandler(): 39765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang print "Exiting" 40765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang sys.exit(0) 41765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 42765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# Register exit handlers 43765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangatexit.register(exitHandler) 44765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangsignal.signal(signal.SIGINT, SIGINTHandler) 45765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 46765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 47765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# make sure port is initialized properly. 57600 baud is the default. 48765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangif (not myFingerprintSensor.setupTty(upmZfm20.cvar.int_B57600)): 49765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang print "Failed to setup tty port parameters" 50765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang sys.exit(1) 51765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 52765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# how many valid stored templates (fingerprints) do we have? 53765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint "Total stored templates: %d" % myFingerprintSensor.getNumTemplates() 54765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint " " 55765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 56765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# now spin waiting for a fingerprint to successfully image 57765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint "Waiting for finger print..." 58765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 59765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangwhile (myFingerprintSensor.generateImage() == upmZfm20.ZFM20.ERR_NO_FINGER): 60765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang pass 61765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 62765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# in theory, we have an image 63765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint "Image captured, converting..." 64765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 65765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangrv = myFingerprintSensor.image2Tz(1) 66765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangif (rv != upmZfm20.ZFM20.ERR_OK): 67765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang print "Image conversion failed with error code %d" % rv 68765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang sys.exit(1) 69765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 70765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint "Image conversion succeeded." 71765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint "Searching database..." 72765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 73765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmyid = upmZfm20.uint16Array(0) 74765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmyid.__setitem__(0, 0) 75765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmyscore = upmZfm20.uint16Array(0) 76765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmyscore.__setitem__(0, 0) 77765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 78765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# we search for a print matching slot 1, where we stored our last 79765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang# converted fingerprint 80765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangrv = myFingerprintSensor.search(1, myid, myscore) 81765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangif (rv != upmZfm20.ZFM20.ERR_OK): 82765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (rv == upmZfm20.ZFM20.ERR_FP_NOTFOUND): 83765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang print "Finger Print not found" 84765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang sys.exit(0) 85765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang else: 86765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang print "Search failed with error code %d" % rv 87765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang sys.exit(1) 88765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 89765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint "Fingerprint found!" 90765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprint "ID: %d, Score: %d" % (myid.__getitem__(0), myscore.__getitem__(0)) 91