133 lines
4.9 KiB
C
133 lines
4.9 KiB
C
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/**************************************************************************//**
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* @file i2s.h
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* @version V1.00
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* $Revision: 2 $
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* $Date: 18/08/05 2:12p $
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* @brief I2S driver header file
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*
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* @note
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (C) 2018 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#ifndef __NU_I2S_H__
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#define __NU_I2S_H__
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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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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup I2S_Driver I2S Driver
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@{
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*/
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/** @addtogroup I2S_EXPORTED_CONSTANTS I2S Exported Constants
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@{
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*/
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#define I2S_ERR_BUSY -1 /*!< Interface is busy */
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#define I2S_ERR_IO -2 /*!< IO contril error */
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#define I2S_DISABLE 0 /*!< Enable I2S */
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#define I2S_ENABLE 1 /*!< Disable I2S */
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#define I2S_PLAY 0 /*!< Play I2S audio */
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#define I2S_REC 1 /*!< Reocrd I2S audio */
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#define PCM_PLAY 0 /*!< Play PCM audio */
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#define PCM_REC 1 /*!< Record PCM audio */
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#define I2S_SET_PLAY 0 /*!< Start or stop to play */
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#define I2S_START_PLAY 0 /*!< Start to play */
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#define I2S_STOP_PLAY 1 /*!< Stop to play */
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#define I2S_SET_RECORD 1 /*!< Start or stop to record */
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#define I2S_START_REC 0 /*!< Start to record */
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#define I2S_STOP_REC 1 /*!< Stop to record */
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#define I2S_SELECT_BLOCK 2 /*!< Select block function */
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#define I2S_BLOCK_I2S 0 /*!< Select I2S function */
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#define I2S_BLOCK_PCM 1 /*!< Select PCM function */
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#define I2S_SELECT_BIT 3 /*!< Select data bit width */
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#define I2S_BIT_WIDTH_8 0 /*!< 8-bit */
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#define I2S_BIT_WIDTH_16 1 /*!< 16-bit */
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#define I2S_BIT_WIDTH_24 2 /*!< 24-bit */
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#define I2S_SET_PLAY_DMA_INT_SEL 4 /*!< Select play DMA interrupt request */
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#define I2S_SET_REC_DMA_INT_SEL 5 /*!< Select record DMA interrupt request */
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#define I2S_DMA_INT_END 0 /*!< End of buffer */
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#define I2S_DMA_INT_HALF 1 /*!< Half of buffer */
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#define I2S_DMA_INT_QUARTER 2 /*!< Quarter of buffer */
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#define I2S_DMA_INT_EIGHTH 3 /*!< Eighth of buffer */
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#define I2S_SET_ZEROCROSS 6 /*!< Enable or disable zero cross function */
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#define I2S_SET_DMACOUNTER 7 /*!< Enable or disable DMA counter function */
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#define I2S_SET_CHANNEL 8 /*!< Set channel number */
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#define I2S_CHANNEL_P_I2S_ONE 2 /*!< I2S one channel */
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#define I2S_CHANNEL_P_I2S_TWO 3 /*!< I2S two channels */
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#define I2S_CHANNEL_P_PCM_TWO 3 /*!< PCM two slots */
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#define I2S_CHANNEL_P_PCM_TWO_SLOT1 0 /*!< PCM two slots with all slot1 data */
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#define I2S_CHANNEL_P_PCM_TWO_SLOT0 1 /*!< PCM two slots with all slot0 data */
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#define I2S_CHANNEL_P_PCM_ONE_SLOT0 2 /*!< PCM one slot with all slot0 data */
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#define I2S_CHANNEL_R_I2S_LEFT_PCM_SLOT0 1 /*!< I2S left channel or PCM slot0 */
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#define I2S_CHANNEL_R_I2S_RIGHT_PCM_SLOT1 2 /*!< I2S right channel or PCM slot1 */
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#define I2S_CHANNEL_R_I2S_TWO 3 /*!< I2S two channels */
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#define I2S_SET_MODE 9 /*!< Select master or slave mode */
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#define I2S_MODE_MASTER 0 /*!< master mode */
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#define I2S_MODE_SLAVE 1 /*!< slave mode */
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#define I2S_SET_SPLITDATA 10 /*!< Enable or disable split data function */
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#define I2S_SET_DMA_ADDRESS 11 /*!< Set DMA address */
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#define I2S_SET_DMA_LENGTH 12 /*!< Set DMA length */
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#define I2S_GET_DMA_CUR_ADDRESS 13 /*!< Get current DMA address */
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#define I2S_SET_I2S_FORMAT 14 /*!< Select I2S format */
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#define I2S_FORMAT_I2S 0 /*!< I2S format */
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#define I2S_FORMAT_MSB 1 /*!< MSB foramt */
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#define I2S_SET_I2S_CALLBACKFUN 15 /*!< Install play or record call-back function */
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#define I2S_SET_PCMSLOT 16 /*!< Set PCM interface start position of slot */
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#define PCM_SLOT1_IN 0 /*!< Slot-1 in position */
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#define PCM_SLOT1_OUT 1 /*!< Slot-1 out position */
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#define PCM_SLOT2_IN 2 /*!< Slot-2 in position */
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#define PCM_SLOT2_OUT 3 /*!< Slot-2 out position */
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#define I2S_SET_PCM_FS_PERIOD 17 /*!< Set PCM FS pulse period */
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/*@}*/ /* end of group ARM9_I2S_EXPORTED_CONSTANTS */
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/** @addtogroup ARM9_I2S_EXPORTED_FUNCTIONS I2S Exported Functions
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@{
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*/
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int32_t i2sOpen(void);
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void i2sInit(void);
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int32_t i2sIoctl(uint32_t cmd, uint32_t arg0, uint32_t arg1);
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void i2sSetSampleRate(uint32_t u32SourceClockRate, uint32_t u32SampleRate, uint32_t u32DataBit, uint32_t u32Channel);
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void i2sSetMCLKFrequency(uint32_t u32SourceClockRate, uint32_t u32SampleRate);
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void i2sSetPCMBCLKFrequency(uint32_t u32SourceClockRate, uint32_t u32Rate);
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/*@}*/ /* end of group I2S_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group I2S_Driver */
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/*@}*/ /* end of group Standard_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif //__NU_I2S_H__
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/*** (C) COPYRIGHT 2018 Nuvoton Technology Corp. ***/
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