/* ---------------------------------------------------------------------------- | |
* SAM Software Package License | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2015, Atmel Corporation | |
* | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions are met: | |
* | |
* - Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the disclaimer below. | |
* | |
* Atmel's name may not be used to endorse or promote products derived from | |
* this software without specific prior written permission. | |
* | |
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR | |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE | |
* DISCLAIMED. IN NO EVENT SHALL ATMEL 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. | |
* ---------------------------------------------------------------------------- | |
*/ | |
#ifndef _CLASSD_H | |
#define _CLASSD_H | |
/*--------------------------------------------------------------------------- | |
* Includes | |
*---------------------------------------------------------------------------*/ | |
#include <stdbool.h> | |
#include <stdint.h> | |
/*--------------------------------------------------------------------------- | |
* Types | |
*---------------------------------------------------------------------------*/ | |
enum _classd_mode | |
{ | |
CLASSD_OUTPUT_SINGLE_ENDED, | |
CLASSD_OUTPUT_DIFFERENTIAL, | |
CLASSD_OUTPUT_HALF_BRIDGE, | |
CLASSD_OUTPUT_FULL_BRIDGE, | |
}; | |
enum _classd_non_ovr | |
{ | |
CLASSD_NONOVR_5NS, | |
CLASSD_NONOVR_10NS, | |
CLASSD_NONOVR_15NS, | |
CLASSD_NONOVR_20NS, | |
}; | |
enum _classd_eqcfg | |
{ | |
CLASSD_EQCFG_FLAT, | |
CLASSD_EQCFG_BBOOST12, | |
CLASSD_EQCFG_BBOOST6, | |
CLASSD_EQCFG_BCUT12, | |
CLASSD_EQCFG_BCUT6, | |
CLASSD_EQCFG_MBOOST3, | |
CLASSD_EQCFG_MBOOST8, | |
CLASSD_EQCFG_MCUT3, | |
CLASSD_EQCFG_MCUT8, | |
CLASSD_EQCFG_TBOOST12, | |
CLASSD_EQCFG_TBOOST6, | |
CLASSD_EQCFG_TCUT12, | |
CLASSD_EQCFG_TCUT6, | |
}; | |
enum _classd_mono | |
{ | |
CLASSD_MONO_MIXED, | |
CLASSD_MONO_SAT, | |
CLASSD_MONO_LEFT, | |
CLASSD_MONO_RIGHT, | |
}; | |
struct _classd_desc | |
{ | |
uint32_t sample_rate; | |
enum _classd_mode mode; | |
enum _classd_non_ovr non_ovr; | |
bool swap_channels; | |
bool mono; | |
enum _classd_mono mono_mode; | |
bool left_enable; | |
bool right_enable; | |
}; | |
/*--------------------------------------------------------------------------- | |
* Exported functions | |
*---------------------------------------------------------------------------*/ | |
extern bool classd_configure(struct _classd_desc *desc); | |
extern void classd_disable(void); | |
extern void classd_swap_channels(bool swap); | |
extern void classd_enable_mono(enum _classd_mono mono_mode); | |
extern void classd_disable_mono(void); | |
extern void classd_set_equalizer(enum _classd_eqcfg eqcfg); | |
extern void classd_enable_channels(bool left, bool right); | |
extern void classd_disable_channels(bool left, bool right); | |
extern void classd_set_left_attenuation(uint8_t attn); | |
extern void classd_set_right_attenuation(uint8_t attn); | |
extern void classd_volume_mute(bool left, bool right); | |
extern void classd_volume_unmute(bool left, bool right); | |
#endif /* _CLASSD_H */ |