Paul van der Wielen / Mbed 2 deprecated Wiegand

Wiegand compatible RFID reader class

Dependencies:   mbed

main.cpp@0:033aa4854957, 2011-02-03 (annotated)

Committer:
pwheels
Date:
Thu Feb 03 18:48:04 2011 +0000
Revision:
0:033aa4854957
Initial creation date 3-feb-2011

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pwheels 0:033aa4854957 1 /*
pwheels 0:033aa4854957 2 * Copyright (c) 2011 Paul van der Wielen, Pro-Serv
pwheels 0:033aa4854957 3 *
pwheels 0:033aa4854957 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
pwheels 0:033aa4854957 5 * of this software and associated documentation files (the "Software"), to use
pwheels 0:033aa4854957 6 * and implement the software for none commercial reason and usage only and
pwheels 0:033aa4854957 7 * subject to the following conditions:
pwheels 0:033aa4854957 8 *
pwheels 0:033aa4854957 9 * The above copyright notice and this permission notice shall be included in
pwheels 0:033aa4854957 10 * all copies or substantial portions of the Software.
pwheels 0:033aa4854957 11 *
pwheels 0:033aa4854957 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
pwheels 0:033aa4854957 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
pwheels 0:033aa4854957 14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
pwheels 0:033aa4854957 15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
pwheels 0:033aa4854957 16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
pwheels 0:033aa4854957 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
pwheels 0:033aa4854957 18 * THE SOFTWARE.
pwheels 0:033aa4854957 19 *
pwheels 0:033aa4854957 20 * Usage and assumptions:
pwheels 0:033aa4854957 21 * a RFID reader Model MF7(1.05) is configured in wiegand mode and attached
pwheels 0:033aa4854957 22 * ports per call to class (could be to p5 & p6 via a level converter as to
pwheels 0:033aa4854957 23 * isolate the 5V source voltage from the 3.3V needed by MCU, this can easily
pwheels 0:033aa4854957 24 * be done with diode in series with signal data0 and data1 of RFID reader and
pwheels 0:033aa4854957 25 * pull up on MCU side.
pwheels 0:033aa4854957 26 */
pwheels 0:033aa4854957 27
pwheels 0:033aa4854957 28 #include "mbed.h"
pwheels 0:033aa4854957 29 #include "wiegand.h"
pwheels 0:033aa4854957 30
pwheels 0:033aa4854957 31 DigitalOut flash(LED4);
pwheels 0:033aa4854957 32
pwheels 0:033aa4854957 33 Wiegand wiegand(p5,p6);
pwheels 0:033aa4854957 34
pwheels 0:033aa4854957 35 int main() {
pwheels 0:033aa4854957 36
pwheels 0:033aa4854957 37 while(1) {
pwheels 0:033aa4854957 38 if (wiegand.readable()) {
pwheels 0:033aa4854957 39 // output our data read from rfid card reader to usb port for display
pwheels 0:033aa4854957 40 // purposes
pwheels 0:033aa4854957 41 printf ("Site = %x\r\n", wiegand.site());
pwheels 0:033aa4854957 42 printf ("Data = %x\r\n", wiegand.data());
pwheels 0:033aa4854957 43 printf ("RFID = %x\r\n", wiegand.rfid());
pwheels 0:033aa4854957 44 wiegand.clear();
pwheels 0:033aa4854957 45 }
pwheels 0:033aa4854957 46 flash = !flash;
pwheels 0:033aa4854957 47 wait(0.25);
pwheels 0:033aa4854957 48 }
pwheels 0:033aa4854957 49 }