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..
GP30-RFID.h
- Committer:
- gert_lauritsen
- Date:
- 2013-10-17
- Revision:
- 3:54393c961233
- Parent:
- 2:4fd9319c3ec3
File content as of revision 3:54393c961233:
/* 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. */ #ifndef MBED_GP30RFID_H #define MBED_GP30RFID_H #include "mbed.h" /** An interface for the GP-30 RFID reader device */ #define Taglength 10 #define CR 0x0d #define LF 0x0a #define STX 0x02 /** GP30 interface*/ class GP30RFID { public: /** Create an GP-30 RFID interface, connected to the specified Serial rx port * * @param rx Recieve pin */ GP30RFID(PinName rx); /** A blocking function that will return a tag ID when available * * @return Non zero value when the device is readable */ int readable(); /** last tag read */ char TAG[Taglength+1]; private: /** A blocking function that will return a tag ID when available * * @Put the tag value in TAG */ int read(); Serial _rfid; }; #endif