codec.h

/*
 * codec.h
 *
 * Created on: Jun 7, 2012
 *
 * Copyright (C) 2012-2014 Kumar Abhishek
 *
 *  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.
 */

#ifndef CODEC_H_
#define CODEC_H_

#include "ch.h"
#include "hal.h"

#define CODEC_I2C				I2CD1
#define CODEC_I2S_ENABLE		rccEnableSPI3(FALSE)
#define CODEC_I2S_DISABLE		rccDisableSPI3(FALSE)
#define CODEC_I2S				SPI3

enum CODEC_AUDIOSRC {
	CODEC_AUDIOSRC_DIGITAL,
	CODEC_AUDIOSRC_MIC,
	CODEC_AUDIOSRC_FMRADIO
};


#define CS43L22_ADDR	(0x94 >> 1)

extern void codec_hw_init(void);

extern void codec_hw_reset(void);

extern void codec_writeReg(uint8_t addr, uint8_t data);

extern uint8_t codec_readReg(uint8_t addr);

extern void codec_volCtl(uint8_t vol);

extern void codec_pwrCtl(uint8_t pwr);

extern void codec_muteCtl(uint8_t mute);

extern void codec_sendBeep(void);

extern void codec_selectAudioSource(uint8_t src);

extern void codec_i2s_init(uint16_t sampleRate, uint8_t nBits);

extern void codec_audio_send(void* txbuf, size_t n);

extern void codec_pauseResumePlayback(uint8_t pause);

#endif /* CODEC_H_ */