83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __HAL_I2S_H__
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#define __HAL_I2S_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "plat_types.h"
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#include "hal_aud.h"
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#include "hal_cmu.h"
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enum HAL_I2S_MODE_T {
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HAL_I2S_MODE_NULL,
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HAL_I2S_MODE_MASTER,
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HAL_I2S_MODE_SLAVE,
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};
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enum HAL_I2S_SYNC_TYPE_T {
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HAL_I2S_SYNC_TYPE_NONE,
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HAL_I2S_SYNC_TYPE_BT,
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HAL_I2S_SYNC_TYPE_GPIO,
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};
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struct HAL_I2S_CONFIG_T {
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bool use_dma;
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bool chan_sep_buf;
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bool sync_start;
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uint8_t cycles;
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uint8_t bits;
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uint8_t channel_num;
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enum AUD_CHANNEL_MAP_T channel_map;
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uint32_t sample_rate;
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};
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int hal_i2s_open(enum HAL_I2S_ID_T id, enum AUD_STREAM_T stream, enum HAL_I2S_MODE_T mode);
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int hal_i2s_close(enum HAL_I2S_ID_T id, enum AUD_STREAM_T stream);
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int hal_i2s_start_stream(enum HAL_I2S_ID_T id, enum AUD_STREAM_T stream);
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int hal_i2s_stop_stream(enum HAL_I2S_ID_T id, enum AUD_STREAM_T stream);
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int hal_i2s_setup_stream(enum HAL_I2S_ID_T id, enum AUD_STREAM_T stream, const struct HAL_I2S_CONFIG_T *cfg);
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int hal_i2s_send(enum HAL_I2S_ID_T id, const uint8_t *value, uint32_t value_len);
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uint8_t hal_i2s_recv(enum HAL_I2S_ID_T id, uint8_t *value, uint32_t value_len);
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void hal_i2s_enable_delay(enum HAL_I2S_ID_T id);
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void hal_i2s_disable_delay(enum HAL_I2S_ID_T id);
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void hal_i2s_enable(enum HAL_I2S_ID_T id);
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//================================================================================
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// I2S Packet Mode
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//================================================================================
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int hal_i2s_packet_open(void);
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int hal_i2s_packet_close(void);
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int hal_i2s_start_transfer(void);
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int hal_i2s_stop_transfer(void);
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void hal_i2s_tx_sync_enable(enum HAL_I2S_SYNC_TYPE_T type);
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void hal_i2s_tx_sync_disable(void);
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void hal_i2s_rx_sync_enable(enum HAL_I2S_SYNC_TYPE_T type);
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void hal_i2s_rx_sync_disable(void);
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void hal_i2s_clk_sync_enable(enum HAL_I2S_SYNC_TYPE_T type);
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void hal_i2s_clk_sync_disable(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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