4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2009 Develer S.r.l. (http://www.develer.com/)
30 * All Rights Reserved.
33 * \brief Configuration file for I2S module.
36 * \author Luca Ottaviano <lottaviano@develer.com>
37 * \author Daniele Basile <asterix@develer.com>
44 * Module logging level.
47 * $WIZ$ value_list = "log_level"
49 #define I2S_LOG_LEVEL LOG_LVL_INFO
52 * Module logging format.
55 * $WIZ$ value_list = "log_format"
57 #define I2S_LOG_FORMAT LOG_FMT_TERSE
60 * Length of each play buffer.
64 #define CONFIG_PLAY_BUF_LEN 8192
67 * Sampling frequency of the audio file.
73 #define CONFIG_SAMPLE_FREQ 44800UL
76 * Sample bits per channel.
82 #define CONFIG_WORD_BIT_SIZE 16
89 #define CONFIG_CHANNEL_NUM 2
92 * Size of trasmit start delay
98 #define CONFIG_DELAY 0
101 * Generate frame sync every 2 x CONFIG_PERIOD bits (zero based)
107 #define CONFIG_PERIOD 15
110 * Number of words transmitted in frame
116 #define CONFIG_WORD_PER_FRAME 1
119 * Size of Synchro data register (zero based)
125 #define CONFIG_FRAME_SYNC_SIZE 15
129 * Extra Size of Synchro data register (CONFIG_FRAME_SYNC_SIZE + CONFIG_EXTRA_FRAME_SYNC_SIZE * 16 + 1) (zero based)
135 #define CONFIG_EXTRA_FRAME_SYNC_SIZE 0
137 #endif /* CFG_I2S_H */