Gert Lauritsen / GP30-RFID

RFID reader GP30 reader dont start with a STX. So I change the code so that it can read data from this reader and other that have the same protocol

Dependents:  

Fork of ID12RFID by Simon Ford

The GP30 and other dont start with a STX. So therefore the change..

/media/uploads/gert_lauritsen/imagescope.png

GP30-RFID.cpp@3:54393c961233, 2013-10-17 (annotated)

Committer:
gert_lauritsen
Date:
Thu Oct 17 14:12:24 2013 +0000
Revision:
3:54393c961233
Parent:
2:4fd9319c3ec3 
updatede doc

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 2:4fd9319c3ec3 1 /* mbed ID12 RFID Library
gert_lauritsen 2:4fd9319c3ec3 2 * Copyright (c) 2007-2010, sford, http://mbed.org
gert_lauritsen 2:4fd9319c3ec3 3 *
gert_lauritsen 2:4fd9319c3ec3 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
gert_lauritsen 2:4fd9319c3ec3 5 * of this software and associated documentation files (the "Software"), to deal
gert_lauritsen 2:4fd9319c3ec3 6 * in the Software without restriction, including without limitation the rights
gert_lauritsen 2:4fd9319c3ec3 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
gert_lauritsen 2:4fd9319c3ec3 8 * copies of the Software, and to permit persons to whom the Software is
gert_lauritsen 2:4fd9319c3ec3 9 * furnished to do so, subject to the following conditions:
gert_lauritsen 2:4fd9319c3ec3 10 *
gert_lauritsen 2:4fd9319c3ec3 11 * The above copyright notice and this permission notice shall be included in
gert_lauritsen 2:4fd9319c3ec3 12 * all copies or substantial portions of the Software.
gert_lauritsen 2:4fd9319c3ec3 13 *
gert_lauritsen 2:4fd9319c3ec3 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
gert_lauritsen 2:4fd9319c3ec3 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
gert_lauritsen 2:4fd9319c3ec3 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
gert_lauritsen 2:4fd9319c3ec3 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
gert_lauritsen 2:4fd9319c3ec3 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gert_lauritsen 2:4fd9319c3ec3 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
gert_lauritsen 2:4fd9319c3ec3 20 * THE SOFTWARE.
gert_lauritsen 2:4fd9319c3ec3 21 */
gert_lauritsen 2:4fd9319c3ec3 22
gert_lauritsen 2:4fd9319c3ec3 23 #include "GP30-RFID.h"
gert_lauritsen 2:4fd9319c3ec3 24
gert_lauritsen 2:4fd9319c3ec3 25 #include "mbed.h"
gert_lauritsen 2:4fd9319c3ec3 26
gert_lauritsen 2:4fd9319c3ec3 27 GP30RFID::GP30RFID(PinName rx)
gert_lauritsen 2:4fd9319c3ec3 28 : _rfid(NC, rx)
gert_lauritsen 2:4fd9319c3ec3 29 {
gert_lauritsen 2:4fd9319c3ec3 30 }
gert_lauritsen 2:4fd9319c3ec3 31
gert_lauritsen 2:4fd9319c3ec3 32 int GP30RFID::readable()
gert_lauritsen 2:4fd9319c3ec3 33 {
gert_lauritsen 2:4fd9319c3ec3 34 if (_rfid.readable()) {
gert_lauritsen 2:4fd9319c3ec3 35 read();
gert_lauritsen 2:4fd9319c3ec3 36 return 1;
gert_lauritsen 2:4fd9319c3ec3 37 }
gert_lauritsen 2:4fd9319c3ec3 38 else
gert_lauritsen 2:4fd9319c3ec3 39 return 0;
gert_lauritsen 2:4fd9319c3ec3 40 }
gert_lauritsen 2:4fd9319c3ec3 41
gert_lauritsen 2:4fd9319c3ec3 42 int GP30RFID::read()
gert_lauritsen 2:4fd9319c3ec3 43 {
gert_lauritsen 2:4fd9319c3ec3 44 char c=0;
gert_lauritsen 2:4fd9319c3ec3 45 int v = 0;
gert_lauritsen 2:4fd9319c3ec3 46 while (c!=CR) {
gert_lauritsen 2:4fd9319c3ec3 47 c=_rfid.getc();
gert_lauritsen 2:4fd9319c3ec3 48 if (c>='0'){
gert_lauritsen 2:4fd9319c3ec3 49 TAG[v]=c;
gert_lauritsen 2:4fd9319c3ec3 50 if (v<Taglength) v++;
gert_lauritsen 2:4fd9319c3ec3 51 }
gert_lauritsen 2:4fd9319c3ec3 52 }
gert_lauritsen 2:4fd9319c3ec3 53 //TAG[Taglength]=0; //null termination
gert_lauritsen 2:4fd9319c3ec3 54
gert_lauritsen 2:4fd9319c3ec3 55 return v;
gert_lauritsen 2:4fd9319c3ec3 56 }