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/**
******************************************************************************
* @file stm32f401_discovery_audio.h
* @author MCD Application Team
* @brief This file contains the common defines and functions prototypes for
* stm32f401_discovery_audio.c driver.
******************************************************************************
* @attention
*
* Copyright (c) 2017 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 __STM32F401_DISCOVERY_AUDIO_H
#define __STM32F401_DISCOVERY_AUDIO_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
/* Include audio component Driver */
#include "../Components/cs43l22/cs43l22.h"
#include "stm32f401_discovery.h"
#include "../../../Middlewares/ST/STM32_Audio/Addons/PDM/Inc/pdm2pcm_glo.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32F401_DISCOVERY
* @{
*/
/** @addtogroup STM32F401_DISCOVERY_AUDIO
* @{
*/
/** @defgroup STM32F401_DISCOVERY_AUDIO_Exported_Types STM32F401 DISCOVERY AUDIO Exported Types
* @{
*/
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_AUDIO_OUT_Exported_Constants STM32F401 DISCOVERY AUDIO OUT Exported Constants
* @{
*/
/*------------------------------------------------------------------------------
AUDIO OUT CONFIGURATION
------------------------------------------------------------------------------*/
/* I2S peripheral configuration defines */
#define I2S3 SPI3
#define I2S3_CLK_ENABLE() __HAL_RCC_SPI3_CLK_ENABLE()
#define I2S3_CLK_DISABLE() __HAL_RCC_SPI3_CLK_DISABLE()
#define I2S3_SCK_SD_WS_AF GPIO_AF6_SPI3
#define I2S3_SCK_SD_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
#define I2S3_MCK_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
#define I2S3_WS_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define I2S3_WS_PIN GPIO_PIN_4
#define I2S3_SCK_PIN GPIO_PIN_10
#define I2S3_SD_PIN GPIO_PIN_12
#define I2S3_MCK_PIN GPIO_PIN_7
#define I2S3_SCK_SD_GPIO_PORT GPIOC
#define I2S3_WS_GPIO_PORT GPIOA
#define I2S3_MCK_GPIO_PORT GPIOC
/* I2S DMA Stream definitions */
#define I2S3_DMAx_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
#define I2S3_DMAx_CLK_DISABLE() __HAL_RCC_DMA1_CLK_DISABLE()
#define I2S3_DMAx_STREAM DMA1_Stream7
#define I2S3_DMAx_CHANNEL DMA_CHANNEL_0
#define I2S3_DMAx_IRQ DMA1_Stream7_IRQn
#define I2S3_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define I2S3_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define DMA_MAX_SZE 0xFFFF
#define I2S3_IRQHandler DMA1_Stream7_IRQHandler
/* 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) */
/*------------------------------------------------------------------------------
AUDIO IN CONFIGURATION
------------------------------------------------------------------------------*/
/* SPI Configuration defines */
#define I2S2 SPI2
#define I2S2_CLK_ENABLE() __HAL_RCC_SPI2_CLK_ENABLE()
#define I2S2_CLK_DISABLE() __HAL_RCC_SPI2_CLK_DISABLE()
#define I2S2_SCK_PIN GPIO_PIN_10
#define I2S2_SCK_GPIO_PORT GPIOB
#define I2S2_SCK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
#define I2S2_SCK_AF GPIO_AF5_SPI2
#define I2S2_MOSI_PIN GPIO_PIN_3
#define I2S2_MOSI_GPIO_PORT GPIOC
#define I2S2_MOSI_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
#define I2S2_MOSI_AF GPIO_AF5_SPI2
/* I2S DMA Stream Rx definitions */
#define I2S2_DMAx_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
#define I2S2_DMAx_CLK_DISABLE() __HAL_RCC_DMA1_CLK_DISABLE()
#define I2S2_DMAx_STREAM DMA1_Stream3
#define I2S2_DMAx_CHANNEL DMA_CHANNEL_0
#define I2S2_DMAx_IRQ DMA1_Stream3_IRQn
#define I2S2_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define I2S2_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define I2S2_IRQHandler DMA1_Stream3_IRQHandler
/* Select the interrupt preemption priority and subpriority for the IT/DMA interrupt */
#define AUDIO_IN_IRQ_PREPRIO 0x0F /* Select the preemption priority level(0 is the highest) */
/*------------------------------------------------------------------------------
CONFIGURATION: Audio Driver Configuration parameters
------------------------------------------------------------------------------*/
#define AUDIODATA_SIZE 2 /* 16-bits audio data size */
/* Audio status definition */
#define AUDIO_OK 0
#define AUDIO_ERROR 1
#define AUDIO_TIMEOUT 2
/* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 2) */
#define DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_16K
#define DEFAULT_AUDIO_IN_BIT_RESOLUTION 16
#define DEFAULT_AUDIO_IN_CHANNEL_NBR 1 /* Mono = 1, Stereo = 2 */
#define DEFAULT_AUDIO_IN_VOLUME 64
/* PDM buffer input size */
#define INTERNAL_BUFF_SIZE 128*DEFAULT_AUDIO_IN_FREQ/16000*DEFAULT_AUDIO_IN_CHANNEL_NBR
/* PCM buffer output size */
#define PCM_OUT_SIZE DEFAULT_AUDIO_IN_FREQ/1000
#define CHANNEL_DEMUX_MASK 0x55
/*------------------------------------------------------------------------------
OPTIONAL Configuration defines parameters
------------------------------------------------------------------------------*/
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_AUDIO_Exported_Variables STM32F401 DISCOVERY AUDIO Exported Variables
* @{
*/
extern __IO uint16_t AudioInVolume;
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_AUDIO_Exported_Macros STM32F401 DISCOVERY AUDIO Exported Macros
* @{
*/
#define DMA_MAX(_X_) (((_X_) <= DMA_MAX_SZE)? (_X_):DMA_MAX_SZE)
#define HTONS(A) ((((uint16_t)(A) & 0xff00) >> 8) | (((uint16_t)(A) & 0x00ff) << 8))
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_AUDIO_OUT_Exported_Functions STM32F401 DISCOVERY AUDIO OUT 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);
void 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);
void BSP_AUDIO_OUT_SetFrequency(uint32_t AudioFreq);
uint8_t BSP_AUDIO_OUT_SetMute(uint32_t Cmd);
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);
/* These function can be modified in case the current settings (e.g. DMA stream)
need to be changed for specific application needs */
void BSP_AUDIO_OUT_ClockConfig(I2S_HandleTypeDef *hi2s, uint32_t AudioFreq, void *Params);
void BSP_AUDIO_OUT_MspInit(I2S_HandleTypeDef *hi2s, void *Params);
void BSP_AUDIO_OUT_MspDeInit(I2S_HandleTypeDef *hi2s, void *Params);
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_AUDIO_IN_Exported_Functions STM32F401 DISCOVERY AUDIO IN Exported Functions
* @{
*/
uint8_t BSP_AUDIO_IN_Init(uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr);
uint8_t BSP_AUDIO_IN_Record(uint16_t *pData, uint32_t Size);
uint8_t BSP_AUDIO_IN_Stop(void);
uint8_t BSP_AUDIO_IN_Pause(void);
uint8_t BSP_AUDIO_IN_Resume(void);
uint8_t BSP_AUDIO_IN_SetVolume(uint8_t Volume);
uint8_t BSP_AUDIO_IN_PDMToPCM(uint16_t *PDMBuf, uint16_t *PCMBuf);
/* User Callbacks: user has to implement these functions in his code if they are needed. */
/* This function should be implemented by the user application.
It is called into this driver when the current buffer is filled to prepare the next
buffer pointer and its size. */
void BSP_AUDIO_IN_TransferComplete_CallBack(void);
void BSP_AUDIO_IN_HalfTransfer_CallBack(void);
/* This function is called when an Interrupt due to transfer error on or peripheral
error occurs. */
void BSP_AUDIO_IN_Error_Callback(void);
/* These function can be modified in case the current settings (e.g. DMA stream)
need to be changed for specific application needs */
void BSP_AUDIO_IN_ClockConfig(I2S_HandleTypeDef *hi2s, uint32_t AudioFreq, void *Params);
void BSP_AUDIO_IN_MspInit(I2S_HandleTypeDef *hi2s, void *Params);
void BSP_AUDIO_IN_MspDeInit(I2S_HandleTypeDef *hi2s, void *Params);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32F401_DISCOVERY_AUDIO_H */