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Arduino/hardware/cores/wiring/buffer.h
2007-10-06 14:47:50 +00:00

42 lines
1.2 KiB
C
Executable File

/*
buffer.h - Buffer library for Wiring & Arduino
Based on Hernando Barragan's original C implementation
Copyright (c) 2006 Nicholas Zambetti. 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 buffer_h
#define buffer_h
#include <inttypes.h>
typedef struct {
char* in;
char* out;
char* buf;
uint16_t len;
uint16_t cnt;
} buffer_t;
void buffer_init(buffer_t*, char*, uint16_t);
void buffer_put(buffer_t*, char);
uint16_t buffer_get(buffer_t*);
uint8_t buffer_look(buffer_t*);
uint8_t buffer_available(buffer_t*);
#endif