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LibrePilot/flight/pios/inc/pios_wavplay.h

53 lines
1.7 KiB
C

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