| /* |
| Copyright (c) 2011 Arduino. All right reserved. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _RING_BUFFER_ |
| #define _RING_BUFFER_ |
| |
| #include <stdint.h> |
| |
| // Define constants and variables for buffering incoming serial data. We're |
| // using a ring buffer (I think), in which head is the index of the location |
| // to which to write the next incoming character and tail is the index of the |
| // location from which to read. |
| #define SERIAL_BUFFER_SIZE 64 |
| |
| class RingBuffer |
| { |
| public: |
| uint8_t _aucBuffer[SERIAL_BUFFER_SIZE] ; |
| int _iHead ; |
| int _iTail ; |
| |
| public: |
| RingBuffer( void ) ; |
| void store_char( uint8_t c ) ; |
| } ; |
| |
| #endif /* _RING_BUFFER_ */ |