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
Fork of ID12RFID by
The GP30 and other dont start with a STX. So therefore the change..
Diff: GP30-RFID.cpp
- Revision:
- 2:4fd9319c3ec3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GP30-RFID.cpp Thu Oct 17 11:42:38 2013 +0000 @@ -0,0 +1,56 @@ +/* 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; +}