106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012, 2013
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX 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 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file include/gaudin/lld/gaudin_lld.h
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* @brief GAUDIN - Audio Input driver header file.
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*
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* @defgroup Driver Driver
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* @ingroup GAUDIN
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* @{
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*/
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#ifndef _GAUDIN_LLD_H
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#define _GAUDIN_LLD_H
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#include "gfx.h"
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#if GFX_USE_GADC || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Type definitions */
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/*===========================================================================*/
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/**
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* @brief The structure passed to start a audio conversion
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* @note We use the structure instead of parameters purely to save
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* interrupt stack space which is very limited in some platforms.
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* @{
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*/
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typedef struct gaudin_params_t {
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uint16_t channel;
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uint32_t frequency;
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audin_sample_t *buffer;
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size_t bufcount;
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size_t samplesPerEvent;
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} gaudin_params;
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/* @} */
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/**
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* @brief These routines are the callbacks that the driver uses.
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* @details Defined in the high level GAUDIN code.
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*
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* @icode
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* @notapi
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* @{
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*/
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extern void GAUDIN_ISR_CompleteI(audin_sample_t *buffer, size_t n);
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extern void GAUDIN_ISR_ErrorI(void);
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/**
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* @}
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*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Initialise the driver
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*
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* @api
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*/
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void gaudin_lld_init(const gaudin_params *paud);
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/**
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* @brief Start the audio input sampling
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*
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* @api
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*/
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void gadc_lld_start(void);
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/**
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* @brief Stop the audio input sampling
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*
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* @api
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*/
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void gadc_lld_stop(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GFX_USE_GADC */
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#endif /* _GADC_LLD_H */
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/** @} */
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