![](/media/cache/profiles/e53ba686b7ad2ec7825f0f4afff80a1b.50x50_q85.jpg)
Modificacion de https://mbed.org/cookbook/RFID-Tweeter para soporte de un tag no enlistado y registro del mismo mediante twiter
Dependencies: EthernetNetIf HTTPClient_ToBeRemoved mbed
Diff: ID12RFID/ID12RFID.cpp
- Revision:
- 0:8df845fb13c7
diff -r 000000000000 -r 8df845fb13c7 ID12RFID/ID12RFID.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ID12RFID/ID12RFID.cpp Sun Oct 28 04:49:16 2012 +0000 @@ -0,0 +1,53 @@ +/* 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 "ID12RFID.h" + +#include "mbed.h" + +ID12RFID::ID12RFID(PinName rx) + : _rfid(NC, rx) { +} + +int ID12RFID::readable() { + return _rfid.readable(); +} + +int ID12RFID::read() { + while (_rfid.getc() != 2); + + int v = 0; + _rfid.getc(); // drop 1st 2 bytes - we actually only read the lower 32-bits of the code + _rfid.getc(); + + for (int i=7; i>=0; i--) { + char c = _rfid.getc(); // a ascii hex char + int part = c - '0'; + v |= part << (i * 4); + } + + for (int i=0; i<5; i++) { + _rfid.getc(); + } + + return v; +}