240 lines
10 KiB
C
240 lines
10 KiB
C
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/******************************************************************************
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* Copyright (C) 2019, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file i2s.h
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**
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** Header file for i2s Converter functions
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** @link I2S Group Some description @endlink
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**
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** - 2019-07-05 lsq First Version
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**
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******************************************************************************/
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#ifndef __I2S_H__
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#define __I2S_H__
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/******************************************************************************/
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/* Include files */
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/******************************************************************************/
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#include "ddl.h"
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/**
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******************************************************************************
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** \brief 以下宏定义对应寄存器的相应位
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******************************************************************************/
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#define I2S_IT_TXE ((uint8_t)7) // the TXEIE of I2Sx_CR
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#define I2S_IT_RXNEIE ((uint8_t)6) // the RXNEI of I2Sx_CR
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#define I2S_IT_ERRIE ((uint8_t)5) // the ERRIE of I2Sx_CR
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#define I2S_RDMA_EN ((uint8_t)1) // the RDMA of I2Sx_CR
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#define I2S_LDMA_EN ((uint8_t)0) // the LDMA of I2Sx_CR
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#define I2S_RXNE_L ((uint8_t)0) // the RXNE_L of I2Sx_SR
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#define I2S_TXE_L ((uint8_t)1) // the TXE_L of I2Sx_SR
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#define I2S_UDR_L ((uint8_t)2) // the UDR_L of I2Sx_SR
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#define I2S_UDR_R ((uint8_t)3) // the UDR_R of I2Sx_SR
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#define I2S_OVR_L ((uint8_t)6) // the OVR_L of I2Sx_SR
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#define I2S_BSY ((uint8_t)7) // the BSY of I2Sx_SR
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#define I2S_FRE ((uint8_t)8) // the FRE of I2Sx_SR
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#define I2S_OVR_R ((uint8_t)13)// the OVR_R of I2Sx_SR
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#define I2S_RXNE_R ((uint8_t)14)// the RXNE_R of I2Sx_SR
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#define I2S_TXE_R ((uint8_t)15)// the TXE_R of I2Sx_SR
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#define I2S_FLAG_UDF ((uint8_t)3) // the UDF of I2Sx_ICR
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#define I2S_FLAG_OVR ((uint8_t)6) // the OVR of I2Sx_ICR
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#define I2S_FLAG_FRE ((uint8_t)8) // the FRE of I2Sx_ICR
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/**
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******************************************************************************
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** \brief 音频采样率
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******************************************************************************/
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#define I2S_AudioFreq_192k (uint32_t)192000u // 192khz
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#define I2S_AudioFreq_96k (uint32_t)96000u // 96khz
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#define I2S_AudioFreq_48k (uint32_t)48000u // 48khz
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#define I2S_AudioFreq_44k (uint32_t)44100u // 44.1khz
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#define I2S_AudioFreq_32k (uint32_t)32000u // 32khz
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#define I2S_AudioFreq_22k (uint32_t)22050u // 22khz
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#define I2S_AudioFreq_16k (uint32_t)16000u // 16khz
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#define I2S_AudioFreq_11k (uint32_t)11025u // 11.025khz
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#define I2S_AudioFreq_8k (uint32_t)8000u // 8khz
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/**
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******************************************************************************
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** \brief 使能或者禁止指令
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******************************************************************************/
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typedef enum
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{
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DISABLE = 0, //禁止
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ENABLE = 1 //使能
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}en_en_state_t;
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/**
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******************************************************************************
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** \brief 状态标志位
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******************************************************************************/
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typedef enum
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{
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RESET = 0,
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SET = !RESET
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}en_flag_status_t;
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/**
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******************************************************************************
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** \brief I2S 功能通道选择设置
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******************************************************************************/
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typedef enum
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{
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I2S0 = 0u, // I2S通道0
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I2S1 = 1u, // I2S通道1
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}en_i2s_channel_t;
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/**
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******************************************************************************
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** \brief I2S 功能使能设置
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******************************************************************************/
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typedef enum
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{
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I2sEnable = 1u, // I2S模块使能
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I2sDisable = 0u, // I2S模块禁止
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}en_i2s_en_t;
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/**
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******************************************************************************
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** \brief I2S 模式配置
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******************************************************************************/
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typedef enum
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{
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I2sSlaveSend = 0u, //从模式发送
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I2sSlaveRec = 1u, //从模式接收
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I2sMasterSend = 2u, //主模式发送
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I2sMasterRec = 3u, //主模式接收
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}en_spi_mode_t;
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/**
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******************************************************************************
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** \brief I2S PCMSYNC同步帧标志
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******************************************************************************/
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typedef enum
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{
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I2sPcmsyncShort = 0u, //短帧同步
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I2sPcmsyncLong = 1u //长帧同步
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}en_i2s_pcmsync_t;
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/**
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******************************************************************************
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** \brief I2S 输入时钟选择
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******************************************************************************/
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typedef enum
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{
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I2sPclk = 0u, //主模式下I2S时钟：PCLLK
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I2sHclk = 1u //主模式下I2S时钟：HCLLK
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}en_i2s_cksel_t;
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/**
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******************************************************************************
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** \brief I2S标准选择
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******************************************************************************/
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typedef enum
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{
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i2sstdPhilips = 0u, //I2S Philips标准
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i2sstdMSBL = 1u, //MSB对齐标准(左对齐)
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i2sstdLSBR = 2u, //LSB对齐标准(右对齐)
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i2sstdPCM = 3u //PCM标准
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}en_i2s_i3sstd_t;
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/**
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******************************************************************************
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** \brief I2S 要传输的数据长度
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******************************************************************************/
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typedef enum
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{
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i2sDatlen16Bit = 0u, //16位数据长度
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i2sDatlen24Bit = 1u, //24位数据长度
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i2sDatlen32Bit = 2u //32位数据长度
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}en_i2s_datlen_t;
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/**
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******************************************************************************
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** \brief I2S 通道数据长度
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******************************************************************************/
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typedef enum
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{
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i2sChlen16Bit = 0u, //通道数据长度：16位
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i2sChlen32Bit = 1u //通道数据长度：32位
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}en_i2s_chlen_t;
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/**
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*******************************************************************************
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** \brief I2S 配置结构体
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******************************************************************************/
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typedef struct
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{
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en_spi_mode_t i2s_Mode; //I2S 模式配置位
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en_i2s_pcmsync_t i2s_PcmSync; //I2S 帧同步
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en_i2s_cksel_t i2s_Cksel; //I2S 主模式下始终选择：0：PCLK 1:HCLK
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en_i2s_i3sstd_t i2s_Std; //I2S 标准选择 0：I2S Philips 1:MAS左对齐 2：LSB右对齐 3：PCM标准
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en_i2s_datlen_t i2s_Datalen; //I2S 要传输的数据长度
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en_i2s_chlen_t i2s_Chlen; //I2S 每个音频通道的位数，0：16位 1：32位，
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en_en_state_t i2s_Mckoe; //I2S 主时钟MCK输出使能
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uint32_t i2s_AudioFreq; //I2S audio frequecy
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uint8_t i2s_Div; //I2S PR寄存器的DIV，位数8位：线性预分频器
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uint8_t i2s_Odd; //I2S PR寄存器的ODD，位数1位：预分频器的奇数因子
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uint8_t i2s_Fract; //I2S PR寄存器的FRACT小数分频，位数6位
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}stc_i2s_config_t;
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/*******************************************************************************
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** \brief I2Sx相关函数声明
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******************************************************************************/
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extern void I2S_ConfIt(M0P_I2S_TypeDef *i2sx, uint8_t i2s_it, en_en_state_t NewState);
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extern void I2s_ConfDma(M0P_I2S_TypeDef *i2sx, uint8_t rl_dma_en, en_en_state_t NewState);
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extern en_flag_status_t I2s_GetStatus(M0P_I2S_TypeDef *i2sx, uint8_t i2s_status);
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extern void I2s_ClearITPendingBit(M0P_I2S_TypeDef *i2sx, uint8_t i2s_it_flag);
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extern void I2s_SendDataL(M0P_I2S_TypeDef *i2sx, uint16_t Data);
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extern void I2s_SendDataR(M0P_I2S_TypeDef *i2sx, uint16_t Data);
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extern uint16_t I2s_ReceiveDataL(M0P_I2S_TypeDef *i2sx);
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extern uint16_t I2s_ReceiveDataR(M0P_I2S_TypeDef *i2sx);
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extern void I2s_Init(M0P_I2S_TypeDef *i2sx, stc_i2s_config_t *i2s_conf);
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extern void I2S_Cmd(M0P_I2S_TypeDef *i2sx, en_en_state_t NewState);
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#endif //__I2S_H__
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/******************************************************************************/
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/* EOF (not truncated) */
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/******************************************************************************/
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