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stm32303e_eval_audio.h
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/**
******************************************************************************
* @file stm32303e_eval_audio.h
* @author MCD Application Team
* @brief This file contains all the functions prototypes for the
* stm32303e_eval_audio.c driver.
******************************************************************************
* @attention
*
* Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32303E_EVAL_AUDIO_H
#define __STM32303E_EVAL_AUDIO_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
/* Include AUDIO component driver */
#include "../Components/cs42l52/cs42l52.h"
#include "stm32303e_eval.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32303E_EVAL
* @{
*/
/** @addtogroup STM32303E_EVAL_AUDIO
* @{
*/
/** @defgroup STM32303E_EVAL_AUDIO_Exported_Types Exported Types
* @{
*/
typedef enum
{
AUDIO_OK = 0x00,
AUDIO_ERROR = 0x01,
AUDIO_TIMEOUT = 0x02
}AUDIO_StatusTypeDef;
/**
* @}
*/
/** @defgroup STM32303E_EVAL_AUDIO_Exported_Constants Exported Constants
* @{
*/
/* Audio Codec hardware I2C address */
#define AUDIO_I2C_ADDRESS 0x94
/*----------------------------------------------------------------------------
AUDIO OUT CONFIGURATION
----------------------------------------------------------------------------*/
/* I2S peripheral configuration defines */
#define I2Sx SPI3
#define I2Sx_CLK_ENABLE() __HAL_RCC_SPI3_CLK_ENABLE()
#define I2Sx_CLK_DISABLE() __HAL_RCC_SPI3_CLK_DISABLE()
#define I2Sx_FORCE_RESET() __HAL_RCC_SPI3_FORCE_RESET()
#define I2Sx_RELEASE_RESET() __HAL_RCC_SPI3_RELEASE_RESET()
#define I2Sx_WS_PIN GPIO_PIN_4
#define I2Sx_MCK_PIN GPIO_PIN_9
#define I2Sx_SCK_PIN GPIO_PIN_10
#define I2Sx_DIN_PIN GPIO_PIN_12
#define I2Sx_WS_GPIO_PORT GPIOA
#define I2Sx_MCK_GPIO_PORT GPIOA
#define I2Sx_SCK_DIN_GPIO_PORT GPIOC
#define I2Sx_MCK_WS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define I2Sx_MCK_WS_GPIO_CLK_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
#define I2Sx_WS_AF GPIO_AF6_SPI3
#define I2Sx_MCK_AF GPIO_AF5_SPI3
#define I2Sx_SCK_DIN_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
#define I2Sx_SCK_DIN_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
#define I2Sx_SCK_DIN_AF GPIO_AF6_SPI3
/* I2S DMA Stream definitions */
#define I2Sx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
#define I2Sx_DMAx_CLK_DISABLE() __HAL_RCC_DMA2_CLK_DISABLE()
#define I2Sx_DMAx_CHANNEL DMA2_Channel2
#define I2Sx_DMAx_IRQ DMA2_Channel2_IRQn
#define I2Sx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define I2Sx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define DMA_MAX_SZE 0xFFFF
/* Select the interrupt preemption priority and subpriority for the DMA interrupt */
#define AUDIO_OUT_IRQ_PREPRIO 0x0E /* Select the preemption priority level(0 is the highest) */
#define AUDIO_OUT_IRQ_SUBPRIO 0 /* Select the sub-priority level (0 is the highest) */
/*----------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------
OPTIONAL Configuration defines parameters
------------------------------------------------------------------------------*/
#define AUDIODATA_SIZE 2 /* 16-bits audio data size */
#define DMA_MAX(_X_) (((_X_) <= DMA_MAX_SZE)? (_X_):DMA_MAX_SZE)
/**
* @}
*/
/** @defgroup STM32303E_EVAL_AUDIO_Exported_Variables Exported Variables
* @{
*/
/**
* @}
*/
/** @defgroup STM32303E_EVAL_AUDIO_Exported_Macros Exported Macros
* @{
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup STM32303E_EVAL_AUDIO_Exported_Functions Exported Functions
* @{
*/
uint8_t BSP_AUDIO_OUT_Init(uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
uint8_t BSP_AUDIO_OUT_Play(uint16_t* pBuffer, uint32_t Size);
uint8_t BSP_AUDIO_OUT_ChangeBuffer(uint16_t *pData, uint16_t Size);
uint8_t BSP_AUDIO_OUT_Pause(void);
uint8_t BSP_AUDIO_OUT_Resume(void);
uint8_t BSP_AUDIO_OUT_Stop(uint32_t Option);
uint8_t BSP_AUDIO_OUT_SetVolume(uint8_t Volume);
uint8_t BSP_AUDIO_OUT_SetFrequency(uint32_t AudioFreq);
uint8_t BSP_AUDIO_OUT_SetMute(uint32_t Command);
uint8_t BSP_AUDIO_OUT_SetOutputMode(uint8_t Output);
/* User Callbacks: user has to implement these functions in his code if they are needed. */
/* This function is called when the requested data has been completely transferred.*/
void BSP_AUDIO_OUT_TransferComplete_CallBack(void);
/* This function is called when half of the requested buffer has been transferred. */
void BSP_AUDIO_OUT_HalfTransfer_CallBack(void);
/* This function is called when an Interrupt due to transfer error on or peripheral
error occurs. */
void BSP_AUDIO_OUT_Error_CallBack(void);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32303E_EVAL_AUDIO_H */