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53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/**
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******************************************************************************
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* @addtogroup PIOS PIOS Core hardware abstraction layer
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* @{
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* @addtogroup PIOS_WAVPLAY Code for wave audio generator
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* @brief Wave audio generator
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* @{
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*
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* @file pios_wavplay.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
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* @brief audio generator
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* @see The GNU Public License (GPL) Version 3
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*
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******************************************************************************
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*/
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/*
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* This program 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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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PIOS_WAVPLAY_H
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#define PIOS_WAVPLAY_H
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#include <pios_stm32.h>
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#define BUFFERSIZE 512 //Defines the buffer size to hold data from the SD card.
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struct pios_dac_cfg {
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TIM_TypeDef *timer;
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TIM_TimeBaseInitTypeDef time_base_init;
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struct stm32_irq irq;
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struct stm32_dma dma;
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uint32_t channel;
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DAC_InitTypeDef dac_init;
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struct stm32_gpio dac_io;
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};
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extern void PIOS_WavPlay_Init(const struct pios_dac_cfg * cfg);
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extern uint8_t WavePlayer_Start(void);
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#endif /* PIOS_WAVPLAY_H */
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