137 lines
3.3 KiB
C
137 lines
3.3 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef _IOT_MIC_API_H
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#define _IOT_MIC_API_H
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#include "iot_i2s_api.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \defgroup BSP_APIs MIC APIs
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* @brief MIC APIs
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*
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*
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*/
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/** @addtogroup MIC_APIs
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* @{
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*
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*/
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/**
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* @brief Usage:
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*/
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typedef struct _iot_mic_cfg {
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uint8_t port;
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uint8_t bck_pin;
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uint8_t data_pin;
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} iot_mic_cfg_t;
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typedef struct _iot_mic_array_cfg {
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uint8_t num;
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uint8_t phase;
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uint8_t hp_bypass;
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uint8_t sinc16;
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uint8_t rx_hp_dsample;
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uint32_t clk;
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uint32_t lphp_filter;
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iot_i2s_dma_rcv_func recv;
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iot_mic_cfg_t mic_cfg[I2S_MAX-1];
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} iot_mic_array_cfg_t;
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typedef struct _iot_i2s_pin {
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uint8_t port;
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uint8_t bck_pin;
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uint8_t lrck_pin;
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uint8_t data_pin;
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}iot_i2s_pin_t;
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typedef struct _iot_ana_mic_cfg {
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uint8_t num;
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uint32_t clk;
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i2s_bits_sample_t bit_mode;
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i2s_msb_right_t msb_right;
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i2s_rx_cfg_t rx_cfg;
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iot_i2s_dma_rcv_func recv;
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iot_i2s_pin_t mic_cfg[I2S_MAX-1];
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} iot_ana_mic_cfg_t;
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/**
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* @brief iot_ana_mic_array_init() - mic array init func
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* @param cfg mic array configure instruction
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*
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* @return 1 -- failed
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* @return 0 -- success
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*
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*/
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uint8_t iot_ana_mic_array_init(iot_ana_mic_cfg_t *cfg);
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/**
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* @brief iot_mic_array_init() - mic array init func
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* @param cfg mic array configure instruction
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*
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* @return 1 -- failed
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* @return 0 -- success
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*
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*/
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uint8_t iot_mic_array_init(iot_mic_array_cfg_t *cfg);
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/**
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* @brief iot_mic_array_start() - start mic array
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* @param port IIS port number
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*
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* @return 1 -- invalid param, 11 -- unsupport operation
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* @return 0 -- success
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*
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*/
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uint8_t iot_mic_array_start(uint8_t port);
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/**
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* @brief iot_get_i2s_mic_array_data() - get i2s mic data
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* @param port IIS port number
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* @param size the size of reveiving mic data
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* @param fst_addr the first address of mic data
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* @param fst_size the first length of mic data
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* @param snd_addr the second address of mic data
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if snd_addr = 0, means second address is invalid
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* @param snd_size the second address of mic data
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*
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* @return 1 -- invalid param, 11 -- no enough data
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* @return 0 -- success
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*
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*/
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uint8_t iot_get_i2s_mic_array_data(uint8_t port, uint32_t size,\
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uint32_t * fst_addr, uint32_t *fst_size,
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uint32_t *snd_addr, uint32_t *snd_size);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif // _IOT_MIC_API_H
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