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
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The GP30 and other dont start with a STX. So therefore the change..
GP30-RFID.cpp
- Committer:
- gert_lauritsen
- Date:
- 2013-10-17
- Revision:
- 2:4fd9319c3ec3
File content as of revision 2:4fd9319c3ec3:
/* mbed ID12 RFID Library * Copyright (c) 2007-2010, sford, http://mbed.org * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "GP30-RFID.h" #include "mbed.h" GP30RFID::GP30RFID(PinName rx) : _rfid(NC, rx) { } int GP30RFID::readable() { if (_rfid.readable()) { read(); return 1; } else return 0; } int GP30RFID::read() { char c=0; int v = 0; while (c!=CR) { c=_rfid.getc(); if (c>='0'){ TAG[v]=c; if (v<Taglength) v++; } } //TAG[Taglength]=0; //null termination return v; }