rtt-f030/bsp/apollo2/board/pdm.h

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/*
* File : pdm.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
*
* 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 2 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017-12-04 Haley the first version
*/
#ifndef __PDM_H_
#define __PDM_H_
#include <rtthread.h>
/**
* @brief External function definitions
*
*/
int rt_hw_pdm_init(void);
rt_uint8_t am_pdm_data_get(rt_uint8_t *buff, rt_uint16_t size);
void am_pdm_start(void);
void am_pdm_stop(void);
#endif // __PDM_H_