129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2009 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \brief TAS5706A Power DAC i2c driver.
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*
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*
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* \author Francesco Sacchi <batt@develer.com>
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*
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* $WIZ$ module_name = "tas5706a"
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* $WIZ$ module_depends = "timer", "i2c"
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* $WIZ$ module_configuration = "bertos/cfg/cfg_tas5706a.h"
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* $WIZ$ module_hw = "bertos/hw/hw_tas5706a.h"
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*/
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#ifndef DRV_TAS5706A_H
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#define DRV_TAS5706A_H
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#include "cfg/cfg_i2c.h"
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#include <cfg/compiler.h>
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#include <drv/i2c.h>
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#if COMPILER_C99
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#define tas5706a_init(...) PP_CAT(tas5706a_init ## _, COUNT_PARMS(__VA_ARGS__)) (__VA_ARGS__)
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#define tas5706a_setLowPower(...) PP_CAT(tas5706a_setLowPower ## _, COUNT_PARMS(__VA_ARGS__)) (__VA_ARGS__)
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#define tas5706a_setVolume(...) PP_CAT(tas5706a_setVolume ## _, COUNT_PARMS(__VA_ARGS__)) (__VA_ARGS__)
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#else
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#define tas5706a_init(args...) PP_CAT(tas5706a_init ## _, COUNT_PARMS(args)) (args)
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#define tas5706a_setLowPower(args...) PP_CAT(tas5706a_setLowPower ## _, COUNT_PARMS(args)) (args)
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#define tas5706a_setVolume(args...) PP_CAT(tas5706a_setVolume ## _, COUNT_PARMS(args)) (args)
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#endif
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typedef enum Tas5706aCh
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{
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TAS_CH1,
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TAS_CH2,
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TAS_CNT,
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} Tas5706aCh;
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/**
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* TAS minimum volume (%).
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*/
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#define TAS_VOL_MIN 0
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/**
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* TAS maximum volume (%).
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*/
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#define TAS_VOL_MAX 100
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typedef uint8_t tas5706a_vol_t;
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/**
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* Set the volume for the specified channel.
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*
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* The volume must be expressed in % and will be at maximum CONFIG_TAS_MAX_VOL.
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*
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* \param i2c The i2c context.
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* \param ch The channel to be controlled.
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* \param vol The volume you want to set.
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*/
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void tas5706a_setVolume_3(I2c *i2c, Tas5706aCh ch, tas5706a_vol_t vol);
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/**
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* Set TAS chip to low power mode.
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*
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* When in low power mode, the TAS will not play any sound. You should put the TAS chip in low
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* power whenever possible to prevent overheating and to save power.
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*
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* \param i2c The i2c context.
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* \param val True if you want to enable low power mode, false otherwise.
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*/
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void tas5706a_setLowPower_2(I2c *i2c, bool val);
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/**
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* Initialize the TAS chip.
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*
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* \param i2c The i2c context.
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*/
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void tas5706a_init_1(I2c *i2c);
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#if !CONFIG_I2C_DISABLE_OLD_API
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DEPRECATED INLINE void tas5706a_setVolume_2(Tas5706aCh ch, tas5706a_vol_t vol)
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{
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tas5706a_setVolume_3(&local_i2c_old_api, ch, vol);
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}
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DEPRECATED INLINE void tas5706a_setLowPower_1(bool val)
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{
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tas5706a_setLowPower_2(&local_i2c_old_api, val);
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}
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DEPRECATED INLINE void tas5706a_init_0(void)
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{
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tas5706a_init_1(&local_i2c_old_api);
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}
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#endif /* !CONFIG_I2C_DISABLE_OLD_API */
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#endif /* DRV_TAS5706A_H */
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