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plus4的klipper版本
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whb0514
201
lib/hc32f460/driver/inc/hc32f460_i2s.h
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lib/hc32f460/driver/inc/hc32f460_i2s.h
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/*******************************************************************************
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* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
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*
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* This software component is licensed by HDSC under BSD 3-Clause license
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* (the "License"); You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*/
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/******************************************************************************/
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/** \file hc32f460_i2s.h
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**
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** A detailed description is available at
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** @link I2sGroup Inter-IC Sound Bus description @endlink
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**
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** - 2018-10-28 CDT First version for Device Driver Library of I2S.
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**
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******************************************************************************/
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#ifndef __HC32F460_I2S_H__
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#define __HC32F460_I2S_H__
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "hc32_common.h"
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/* C binding of definitions if building with C++ compiler */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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*******************************************************************************
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** \defgroup I2sGroup Inter-IC Sound(I2S)
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**
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******************************************************************************/
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//@{
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/*******************************************************************************
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* Global type definitions ('typedef')
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******************************************************************************/
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/**
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*******************************************************************************
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** \brief I2S function
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******************************************************************************/
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typedef enum en_i2s_func
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{
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TxEn = 0u, ///< Transfer enable function
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TxIntEn = 1u, ///< Transfer interrupt enable function
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RxEn = 2u, ///< receive enable function
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RxIntEn = 3u, ///< receive interrupt enable function
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ErrIntEn = 4u, ///< error interrupt enable function
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}en_i2s_func_t;
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/**
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*******************************************************************************
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** \brief I2S status flag
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******************************************************************************/
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typedef enum en_i2s_std
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{
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TxBufAlarmFlag = 0u,
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RxBufAlarmFlag = 1u,
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TxBufEmptFlag = 2u,
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TxBufFullFlag = 3u,
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RxBufEmptFlag = 4u,
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RxBufFullFlag = 5u,
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}en_i2s_std_t;
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/**
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*******************************************************************************
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** \brief I2S clr flag
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******************************************************************************/
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typedef enum en_i2s_err_flag
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{
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ClrTxErrFlag = 0u,
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ClrRxErrFlag = 1u,
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}en_i2s_err_flag_t;
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/**
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*******************************************************************************
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** \brief I2S mode
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******************************************************************************/
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typedef enum en_i2s_mode
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{
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I2sMaster = 0u, ///< I2S Master mode
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I2sSlave = 1u, ///< I2S Slave mode
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}en_i2s_mode_t;
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/**
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*******************************************************************************
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** \brief I2S full duplex mode
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******************************************************************************/
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typedef enum en_i2s_full_duplex_mode
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{
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I2s_HalfDuplex = 0u, ///< I2S half duplex
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I2s_FullDuplex = 1u, ///< I2S full duplex
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}en_i2s_full_duplex_mode_t;
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/**
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*******************************************************************************
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** \brief I2S standard
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******************************************************************************/
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typedef enum en_i2s_standard
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{
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Std_Philips = 0u, ///< I2S Philips standard
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Std_MSBJust = 1u, ///< I2S MSB justified standart
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Std_LSBJust = 2u, ///< I2S LSB justified standart
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Std_PCM = 3u, ///< I2S PCM standart
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}en_i2s_standard_t;
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/**
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*******************************************************************************
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** \brief I2S channel data length
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******************************************************************************/
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typedef enum en_i2s_ch_len
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{
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I2s_ChLen_16Bit = 0u,
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I2s_ChLen_32Bit = 1u,
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}en_i2s_ch_len_t;
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/**
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*******************************************************************************
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** \brief I2S data length
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******************************************************************************/
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typedef enum en_i2s_data_len
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{
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I2s_DataLen_16Bit = 0u,
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I2s_DataLen_24Bit = 1u,
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I2s_DataLen_32Bit = 2u,
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}en_i2s_data_len_t;
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/**
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*******************************************************************************
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** \brief I2S configuration structure
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******************************************************************************/
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typedef struct stc_i2s_config
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{
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en_i2s_mode_t enMode; ///< I2S mode
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en_i2s_full_duplex_mode_t enFullDuplexMode; ///< I2S full duplex mode
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uint32_t u32I2sInterClkFreq; ///< I2S internal clock frequency
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en_i2s_standard_t enStandrad; ///< I2S standard
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en_i2s_data_len_t enDataBits; ///< I2S data format, data bits
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en_i2s_ch_len_t enChanelLen; ///< I2S channel length
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en_functional_state_t enMcoOutEn; ///< I2S MCK output config
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en_functional_state_t enExckEn; ///< I2S EXCK function config
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uint32_t u32AudioFreq; ///< I2S audio frequecy
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}stc_i2s_config_t;
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/*******************************************************************************
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* Global pre-processor symbols/macros ('#define')
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******************************************************************************/
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/* define audio frequency */
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#define I2S_AudioFreq_192k (192000ul)
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#define I2S_AudioFreq_96k (96000ul)
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#define I2S_AudioFreq_48k (48000ul)
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#define I2S_AudioFreq_44k (44100ul)
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#define I2S_AudioFreq_32k (32000ul)
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#define I2S_AudioFreq_22k (22050ul)
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#define I2S_AudioFreq_16k (16000ul)
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#define I2S_AudioFreq_11k (11025ul)
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#define I2S_AudioFreq_8k (8000ul)
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#define I2S_AudioFreq_Default (2ul)
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/* if use external clock open this define */
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#define I2S_EXTERNAL_CLOCK_VAL (12288000ul)
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/* 0,1 or 2 config for tx or tx buffer interrupt warning level */
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#define RXBUF_IRQ_WL (1ul)
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#define TXBUF_IRQ_WL (1ul)
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/* 0: Short frame synchronization; 1: Long frame synchronization */
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#define PCM_SYNC_FRAME (0ul)
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/*******************************************************************************
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* Global variable definitions ('extern')
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******************************************************************************/
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/*******************************************************************************
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Global function prototypes (definition in C source)
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******************************************************************************/
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en_result_t I2s_Init(M4_I2S_TypeDef* pstcI2sReg, const stc_i2s_config_t* pstcI2sCfg);
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void I2S_SendData(M4_I2S_TypeDef* pstcI2sReg, uint32_t u32Data);
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uint32_t I2S_RevData(const M4_I2S_TypeDef* pstcI2sReg);
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void I2S_FuncCmd(M4_I2S_TypeDef* pstcI2sReg, en_i2s_func_t enFunc, en_functional_state_t enNewState);
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en_flag_status_t I2S_GetStatus(M4_I2S_TypeDef* pstcI2sReg, en_i2s_std_t enStd);
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en_flag_status_t I2S_GetErrFlag(M4_I2S_TypeDef* pstcI2sReg, en_i2s_err_flag_t enErrFlag);
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void I2S_ClrErrFlag(M4_I2S_TypeDef* pstcI2sReg, en_i2s_err_flag_t enErrFlag);
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en_result_t I2s_DeInit(M4_I2S_TypeDef* pstcI2sReg);
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//@} // I2sGroup
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HC32F460_I2S_H__ */
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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