scpi-parser, adopted from github
scpi/fifo.h
- Committer:
- iesensor
- Date:
- 2014-11-14
- Revision:
- 0:d8aca47812e0
File content as of revision 0:d8aca47812e0:
/*- * Copyright (c) 2012-2013 Jan Breuer, * * All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * @file scpi_fifo.h * @date Thu Nov 15 10:58:45 UTC 2012 * * @brief basic FIFO implementation * * */ #ifndef SCPI_FIFO_H #define SCPI_FIFO_H #include "scpi/types.h" #ifdef __cplusplus extern "C" { #endif #define FIFO_SIZE 16 struct _fifo_t { int16_t wr; int16_t rd; int16_t size; int16_t data[FIFO_SIZE]; }; typedef struct _fifo_t fifo_t; void fifo_init(fifo_t * fifo); void fifo_clear(fifo_t * fifo); scpi_bool_t fifo_add(fifo_t * fifo, int16_t value); scpi_bool_t fifo_remove(fifo_t * fifo, int16_t * value); scpi_bool_t fifo_count(fifo_t * fifo, int16_t * value); #ifdef __cplusplus } #endif #endif /* SCPI_FIFO_H */