mirror of
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81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
/*
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* Copyright (c) 2020 Bouffalolab.
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*
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* This file is part of
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* *** Bouffalolab Software Dev Kit ***
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* (see www.bouffalolab.com).
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of Bouffalo Lab nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __BL_DAC_AUDIO_H__
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#define __BL_DAC_AUDIO_H__
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#include <stdint.h>
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#include <bl602_dma.h>
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#include <bl_dma.h>
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#include "bl602_dac.h"
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typedef int (*audio_callback_rx_ready_t)(void *usrdata, uint8_t *audiodata, int len, int is_overflow);
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typedef int (*audio_callback_tx_ready_t)(void *uerdata, uint8_t *audiodata, int len, int is_underrun);
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typedef struct {
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uint8_t pingpang;
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DMA_LLI_Ctrl_Type lli_list[2];
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uint8_t *lli_tx_buffer;
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uint32_t lli_tx_buffer_size;
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int is_underrun;
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audio_callback_tx_ready_t usr_cb;
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void *p_usr_arg;
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} bl_audio_dac_dev_t;
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int bl_audio_dac_init (bl_audio_dac_dev_t *p_dev);
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int bl_audio_dac_deinit (bl_audio_dac_dev_t *p_dev);
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int bl_audio_dac_start (bl_audio_dac_dev_t *p_dev);
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int bl_audio_dac_stop (bl_audio_dac_dev_t *p_dev);
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int bl_audio_dac_tx_buffer_config (bl_audio_dac_dev_t *p_dev,
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void **ptr_mem,
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uint32_t bufsize);
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int bl_audio_dac_rx_buffer_config (bl_audio_dac_dev_t *p_dev,
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void **ptr_mem,
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uint32_t bufsize);
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int bl_audio_dac_tx_ready_config(bl_audio_dac_dev_t *p_dev,
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audio_callback_tx_ready_t cb,
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void *p_arg);
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int bl_audio_dac_rx_ready_config(bl_audio_dac_dev_t *p_dev,
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audio_callback_rx_ready_t cb,
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void *p_arg);
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int bl_audio_dac_samplerate_set (bl_audio_dac_dev_t *p_dev,
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GPIP_DAC_MOD_Type samplerate);
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#endif
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