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479 lines
19 KiB
479 lines
19 KiB
/**
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******************************************************************************
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* @file stm32l0xx_hal_i2s.h
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* @author MCD Application Team
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* @brief Header file of I2S HAL module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32L0xx_HAL_I2S_H
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#define __STM32L0xx_HAL_I2S_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L011xx) && !defined (STM32L021xx)
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/* Includes ------------------------------------------------------------------*/
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#include "stm32l0xx_hal_def.h"
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/** @addtogroup STM32L0xx_HAL_Driver
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* @{
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*/
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/** @defgroup I2S I2S
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/** @defgroup I2S_Exported_Types I2S Exported Types
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* @{
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*/
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/**
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* @brief I2S Init structure definition
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*/
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typedef struct
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{
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uint32_t Mode; /*!< Specifies the I2S operating mode.
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This parameter can be a value of @ref I2S_Mode */
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uint32_t Standard; /*!< Specifies the standard used for the I2S communication.
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This parameter can be a value of @ref I2S_Standard */
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uint32_t DataFormat; /*!< Specifies the data format for the I2S communication.
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This parameter can be a value of @ref I2S_Data_Format */
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uint32_t MCLKOutput; /*!< Specifies whether the I2S MCLK output is enabled or not.
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This parameter can be a value of @ref I2S_MCLK_Output */
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uint32_t AudioFreq; /*!< Specifies the frequency selected for the I2S communication.
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This parameter can be a value of @ref I2S_Audio_Frequency */
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uint32_t CPOL; /*!< Specifies the idle state of the I2S clock.
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This parameter can be a value of @ref I2S_Clock_Polarity */
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}I2S_InitTypeDef;
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/**
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* @brief HAL State structures definition
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*/
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typedef enum
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{
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HAL_I2S_STATE_RESET = 0x00U, /*!< I2S not yet initialized or disabled */
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HAL_I2S_STATE_READY = 0x01U, /*!< I2S initialized and ready for use */
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HAL_I2S_STATE_BUSY = 0x02U, /*!< I2S internal process is ongoing */
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HAL_I2S_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */
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HAL_I2S_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
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HAL_I2S_STATE_TIMEOUT = 0x03U, /*!< I2S timeout state */
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HAL_I2S_STATE_ERROR = 0x04U /*!< I2S error state */
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}HAL_I2S_StateTypeDef;
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/**
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* @brief I2S handle Structure definition
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*/
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typedef struct
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{
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SPI_TypeDef *Instance; /* I2S registers base address */
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I2S_InitTypeDef Init; /* I2S communication parameters */
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uint16_t *pTxBuffPtr; /* Pointer to I2S Tx transfer buffer */
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__IO uint16_t TxXferSize; /* I2S Tx transfer size */
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__IO uint16_t TxXferCount; /* I2S Tx transfer Counter */
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uint16_t *pRxBuffPtr; /* Pointer to I2S Rx transfer buffer */
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__IO uint16_t RxXferSize; /* I2S Rx transfer size */
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__IO uint16_t RxXferCount; /* I2S Rx transfer counter
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(This field is initialized at the
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same value as transfer size at the
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beginning of the transfer and
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decremented when a sample is received.
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NbSamplesReceived = RxBufferSize-RxBufferCount) */
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DMA_HandleTypeDef *hdmatx; /* I2S Tx DMA handle parameters */
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DMA_HandleTypeDef *hdmarx; /* I2S Rx DMA handle parameters */
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__IO HAL_LockTypeDef Lock; /* I2S locking object */
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__IO HAL_I2S_StateTypeDef State; /* I2S communication state */
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__IO uint32_t ErrorCode; /* I2S Error code */
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}I2S_HandleTypeDef;
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/**
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* @}
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*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup I2S_Exported_Constants I2S Exported Constants
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* @{
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*/
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/**
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* @defgroup I2S_ErrorCode I2S Error Code
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* @{
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*/
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#define HAL_I2S_ERROR_NONE ((uint32_t)0x00U) /*!< No error */
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#define HAL_I2S_ERROR_UDR ((uint32_t)0x01U) /*!< I2S Underrun error */
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#define HAL_I2S_ERROR_OVR ((uint32_t)0x02U) /*!< I2S Overrun error */
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#define HAL_I2S_ERROR_FRE ((uint32_t)0x04U) /*!< I2S Frame format error */
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#define HAL_I2S_ERROR_DMA ((uint32_t)0x08U) /*!< DMA transfer error */
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/**
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* @}
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*/
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/** @defgroup I2S_Mode I2S Mode
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* @{
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*/
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#define I2S_MODE_SLAVE_TX ((uint32_t) 0x00000000U)
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#define I2S_MODE_SLAVE_RX ((uint32_t) SPI_I2SCFGR_I2SCFG_0)
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#define I2S_MODE_MASTER_TX ((uint32_t) SPI_I2SCFGR_I2SCFG_1)
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#define I2S_MODE_MASTER_RX ((uint32_t)(SPI_I2SCFGR_I2SCFG_0 |\
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SPI_I2SCFGR_I2SCFG_1))
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/**
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* @}
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*/
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/** @defgroup I2S_Standard I2S Standard
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* @{
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*/
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#define I2S_STANDARD_PHILIPS ((uint32_t) 0x00000000U)
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#define I2S_STANDARD_MSB ((uint32_t) SPI_I2SCFGR_I2SSTD_0)
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#define I2S_STANDARD_LSB ((uint32_t) SPI_I2SCFGR_I2SSTD_1)
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#define I2S_STANDARD_PCM_SHORT ((uint32_t)(SPI_I2SCFGR_I2SSTD_0 |\
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SPI_I2SCFGR_I2SSTD_1))
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#define I2S_STANDARD_PCM_LONG ((uint32_t)(SPI_I2SCFGR_I2SSTD_0 |\
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SPI_I2SCFGR_I2SSTD_1 |\
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SPI_I2SCFGR_PCMSYNC))
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/** @defgroup I2S_Legacy I2S Legacy
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* @{
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*/
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#define I2S_STANDARD_PHILLIPS I2S_STANDARD_PHILIPS
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/**
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* @}
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*/
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/**
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* @}
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*/
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/** @defgroup I2S_Data_Format I2S Data Format
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* @{
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*/
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#define I2S_DATAFORMAT_16B ((uint32_t) 0x00000000U)
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#define I2S_DATAFORMAT_16B_EXTENDED ((uint32_t) SPI_I2SCFGR_CHLEN)
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#define I2S_DATAFORMAT_24B ((uint32_t)(SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_0))
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#define I2S_DATAFORMAT_32B ((uint32_t)(SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_1))
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/**
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* @}
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*/
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/** @defgroup I2S_MCLK_Output I2S MCLK Output
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* @{
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*/
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#define I2S_MCLKOUTPUT_ENABLE ((uint32_t)SPI_I2SPR_MCKOE)
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#define I2S_MCLKOUTPUT_DISABLE ((uint32_t)0x00000000U)
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/**
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* @}
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*/
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/** @defgroup I2S_Audio_Frequency I2S Audio Frequency
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* @{
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*/
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#define I2S_AUDIOFREQ_192K ((uint32_t)192000U)
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#define I2S_AUDIOFREQ_96K ((uint32_t)96000U)
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#define I2S_AUDIOFREQ_48K ((uint32_t)48000U)
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#define I2S_AUDIOFREQ_44K ((uint32_t)44100U)
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#define I2S_AUDIOFREQ_32K ((uint32_t)32000U)
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#define I2S_AUDIOFREQ_22K ((uint32_t)22050U)
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#define I2S_AUDIOFREQ_16K ((uint32_t)16000U)
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#define I2S_AUDIOFREQ_11K ((uint32_t)11025U)
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#define I2S_AUDIOFREQ_8K ((uint32_t)8000U)
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#define I2S_AUDIOFREQ_DEFAULT ((uint32_t)2U)
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/**
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* @}
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*/
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/** @defgroup I2S_Clock_Polarity I2S Clock Polarity
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* @{
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*/
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#define I2S_CPOL_LOW ((uint32_t)0x00000000U)
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#define I2S_CPOL_HIGH ((uint32_t)SPI_I2SCFGR_CKPOL)
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/**
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* @}
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*/
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/** @defgroup I2S_Interrupt_configuration_definition I2S Interrupt configuration definition
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* @{
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*/
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#define I2S_IT_TXE SPI_CR2_TXEIE
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#define I2S_IT_RXNE SPI_CR2_RXNEIE
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#define I2S_IT_ERR SPI_CR2_ERRIE
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/**
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* @}
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*/
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/** @defgroup I2S_Flag_definition I2S Flag definition
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* @{
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*/
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#define I2S_FLAG_TXE SPI_SR_TXE
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#define I2S_FLAG_RXNE SPI_SR_RXNE
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#define I2S_FLAG_UDR SPI_SR_UDR
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#define I2S_FLAG_OVR SPI_SR_OVR
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#define I2S_FLAG_FRE SPI_SR_FRE
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#define I2S_FLAG_CHSIDE SPI_SR_CHSIDE
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#define I2S_FLAG_BSY SPI_SR_BSY
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/** @defgroup I2S_Exported_Macros I2S Exported Macros
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* @{
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*/
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/** @brief Reset I2S handle state
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* @param __HANDLE__: specifies the I2S Handle.
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* @retval None
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*/
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#define __HAL_I2S_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2S_STATE_RESET)
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/** @brief Enable the specified SPI peripheral (in I2S mode).
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* @param __HANDLE__: specifies the I2S Handle.
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* @retval None
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*/
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#define __HAL_I2S_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->I2SCFGR, SPI_I2SCFGR_I2SE))
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/** @brief Disable the specified SPI peripheral (in I2S mode).
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* @param __HANDLE__: specifies the I2S Handle.
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* @retval None
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*/
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#define __HAL_I2S_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->I2SCFGR, SPI_I2SCFGR_I2SE))
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/** @brief Enable the specified I2S interrupts.
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* @param __HANDLE__: specifies the I2S Handle.
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* @param __INTERRUPT__: specifies the interrupt source to enable or disable.
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* This parameter can be one of the following values:
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* @arg I2S_IT_TXE: Tx buffer empty interrupt enable
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* @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
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* @arg I2S_IT_ERR: Error interrupt enable
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* @retval None
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*/
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#define __HAL_I2S_ENABLE_IT(__HANDLE__, __INTERRUPT__) (SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)))
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/** @brief Disable the specified I2S interrupts.
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* @param __HANDLE__: specifies the I2S Handle.
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* @param __INTERRUPT__: specifies the interrupt source to enable or disable.
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* This parameter can be one of the following values:
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* @arg I2S_IT_TXE: Tx buffer empty interrupt enable
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* @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
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* @arg I2S_IT_ERR: Error interrupt enable
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* @retval None
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*/
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#define __HAL_I2S_DISABLE_IT(__HANDLE__, __INTERRUPT__) (CLEAR_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)))
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/** @brief Checks if the specified I2S interrupt source is enabled or disabled.
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* @param __HANDLE__: specifies the I2S Handle.
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* This parameter can be I2S where x: 1, 2, or 3 to select the I2S peripheral.
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* @param __INTERRUPT__: specifies the I2S interrupt source to check.
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* This parameter can be one of the following values:
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* @arg I2S_IT_TXE: Tx buffer empty interrupt enable
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* @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
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* @arg I2S_IT_ERR: Error interrupt enable
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* @retval The new state of __IT__ (TRUE or FALSE).
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*/
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#define __HAL_I2S_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
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/** @brief Checks whether the specified I2S flag is set or not.
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* @param __HANDLE__: specifies the I2S Handle.
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* @param __FLAG__: specifies the flag to check.
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* This parameter can be one of the following values:
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* @arg I2S_FLAG_RXNE: Receive buffer not empty flag
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* @arg I2S_FLAG_TXE: Transmit buffer empty flag
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* @arg I2S_FLAG_UDR: Underrun flag
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* @arg I2S_FLAG_OVR: Overrun flag
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* @arg I2S_FLAG_CHSIDE: Channel Side flag
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* @arg I2S_FLAG_BSY: Busy flag
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* @retval The new state of __FLAG__ (TRUE or FALSE).
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*/
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#define __HAL_I2S_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
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/** @brief Clears the I2S OVR pending flag.
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* @param __HANDLE__: specifies the I2S Handle.
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* @retval None
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*/
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#define __HAL_I2S_CLEAR_OVRFLAG(__HANDLE__) do{__IO uint32_t tmpreg = (__HANDLE__)->Instance->DR;\
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tmpreg = (__HANDLE__)->Instance->SR;\
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UNUSED(tmpreg);\
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}while(0)
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/** @brief Clears the I2S UDR pending flag.
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* @param __HANDLE__: specifies the I2S Handle.
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* @retval None
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*/
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#define __HAL_I2S_CLEAR_UDRFLAG(__HANDLE__)((__HANDLE__)->Instance->SR)
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @defgroup I2S_Exported_Functions I2S Exported Functions
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* @{
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*/
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/** @defgroup I2S_Exported_Functions_Group1 Initialization and de-initialization functions
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* @{
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*/
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/* Initialization/de-initialization functions ********************************/
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HAL_StatusTypeDef HAL_I2S_Init(I2S_HandleTypeDef *hi2s);
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HAL_StatusTypeDef HAL_I2S_DeInit (I2S_HandleTypeDef *hi2s);
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void HAL_I2S_MspInit(I2S_HandleTypeDef *hi2s);
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void HAL_I2S_MspDeInit(I2S_HandleTypeDef *hi2s);
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/**
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* @}
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*/
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/** @defgroup I2S_Exported_Functions_Group2 IO operation functions
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* @{
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*/
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/* I/O operation functions ***************************************************/
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/* Blocking mode: Polling */
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HAL_StatusTypeDef HAL_I2S_Transmit(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
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HAL_StatusTypeDef HAL_I2S_Receive(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
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/* Non-Blocking mode: Interrupt */
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HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
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HAL_StatusTypeDef HAL_I2S_Receive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
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void HAL_I2S_IRQHandler(I2S_HandleTypeDef *hi2s);
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/* Non-Blocking mode: DMA */
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HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
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HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
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HAL_StatusTypeDef HAL_I2S_DMAPause(I2S_HandleTypeDef *hi2s);
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HAL_StatusTypeDef HAL_I2S_DMAResume(I2S_HandleTypeDef *hi2s);
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HAL_StatusTypeDef HAL_I2S_DMAStop(I2S_HandleTypeDef *hi2s);
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/* Callbacks used in non blocking modes (Interrupt and DMA) *******************/
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void HAL_I2S_TxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
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void HAL_I2S_TxCpltCallback(I2S_HandleTypeDef *hi2s);
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void HAL_I2S_RxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
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void HAL_I2S_RxCpltCallback(I2S_HandleTypeDef *hi2s);
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void HAL_I2S_ErrorCallback(I2S_HandleTypeDef *hi2s);
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/**
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* @}
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*/
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/** @defgroup I2S_Exported_Functions_Group3 Peripheral Control and State functions
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* @{
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*/
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/* Peripheral Control and State functions ************************************/
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HAL_I2S_StateTypeDef HAL_I2S_GetState(I2S_HandleTypeDef *hi2s);
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uint32_t HAL_I2S_GetError(I2S_HandleTypeDef *hi2s);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Private macros ------------------------------------------------------------*/
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/** @defgroup I2S_Private I2S Private
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* @{
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*/
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#define IS_I2S_MODE(MODE) (((MODE) == I2S_MODE_SLAVE_TX) || \
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((MODE) == I2S_MODE_SLAVE_RX) || \
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((MODE) == I2S_MODE_MASTER_TX) || \
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((MODE) == I2S_MODE_MASTER_RX))
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#define IS_I2S_STANDARD(STANDARD) (((STANDARD) == I2S_STANDARD_PHILIPS) || \
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((STANDARD) == I2S_STANDARD_MSB) || \
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((STANDARD) == I2S_STANDARD_LSB) || \
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((STANDARD) == I2S_STANDARD_PCM_SHORT) || \
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((STANDARD) == I2S_STANDARD_PCM_LONG))
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#define IS_I2S_DATA_FORMAT(FORMAT) (((FORMAT) == I2S_DATAFORMAT_16B) || \
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((FORMAT) == I2S_DATAFORMAT_16B_EXTENDED) || \
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((FORMAT) == I2S_DATAFORMAT_24B) || \
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((FORMAT) == I2S_DATAFORMAT_32B))
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#define IS_I2S_MCLK_OUTPUT(OUTPUT) (((OUTPUT) == I2S_MCLKOUTPUT_ENABLE) || \
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((OUTPUT) == I2S_MCLKOUTPUT_DISABLE))
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#define IS_I2S_AUDIO_FREQ(FREQ) ((((FREQ) >= I2S_AUDIOFREQ_8K) && \
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((FREQ) <= I2S_AUDIOFREQ_192K)) || \
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((FREQ) == I2S_AUDIOFREQ_DEFAULT))
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#define IS_I2S_CPOL(CPOL) (((CPOL) == I2S_CPOL_LOW) || \
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((CPOL) == I2S_CPOL_HIGH))
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/**
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* @}
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*/
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/* Define the private group ***********************************/
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/**************************************************************/
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/** @defgroup I2S_Private I2S Private
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* @{
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*/
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/**
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* @}
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*/
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/**************************************************************/
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|
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/**
|
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* @}
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|
*/
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|
|
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/**
|
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* @}
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*/
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#endif /* !STM32L031xx && !STM32L041xx && !STM32L011xx && !STM32L021xx */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __STM32L0xx_HAL_I2S_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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