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stm32756g_eval_audio.h
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/**
******************************************************************************
* @file stm32756g_eval_audio.h
* @author MCD Application Team
* @brief This file contains the common defines and functions prototypes for
* the stm32756g_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 __STM32756G_EVAL_AUDIO_H
#define __STM32756G_EVAL_AUDIO_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
/* Include audio component Driver */
#include "../Components/wm8994/wm8994.h"
#include "stm32756g_eval.h"
#include "../../../Middlewares/ST/STM32_Audio/Addons/PDM/Inc/pdm2pcm_glo.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32756G_EVAL
* @{
*/
/** @addtogroup STM32756G_EVAL_AUDIO STM32756G_EVAL AUDIO
* @{
*/
/** @defgroup STM32756G_EVAL_AUDIO_Exported_Types STM32756G_EVAL_AUDIO Exported Types
* @{
*/
/**
* @}
*/
/** @defgroup STM32756G_EVAL_AUDIO_Exported_Constants STM32756G_EVAL_AUDIO Exported Constants
* @{
*/
/*------------------------------------------------------------------------------
USER SAI defines parameters
-----------------------------------------------------------------------------*/
/** CODEC_AudioFrame_SLOT_TDMMode In W8994 codec the Audio frame contains 4 slots : TDM Mode
* TDM format :
* +------------------|------------------|--------------------|-------------------+
* | CODEC_SLOT0 Left | CODEC_SLOT1 Left | CODEC_SLOT0 Right | CODEC_SLOT1 Right |
* +------------------------------------------------------------------------------+
*/
/* To have 2 separate audio stream in Both headphone and speaker the 4 slot must be activated */
#define CODEC_AUDIOFRAME_SLOT_0123 SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_1 | SAI_SLOTACTIVE_2 | SAI_SLOTACTIVE_3
/* To have an audio stream in headphone only SAI Slot 0 and Slot 2 must be activated */
#define CODEC_AUDIOFRAME_SLOT_02 SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_2
/* To have an audio stream in speaker only SAI Slot 1 and Slot 3 must be activated */
#define CODEC_AUDIOFRAME_SLOT_13 SAI_SLOTACTIVE_1 | SAI_SLOTACTIVE_3
/* SAI peripheral configuration defines */
#define AUDIO_SAIx SAI2_Block_B
#define AUDIO_SAIx_CLK_ENABLE() __HAL_RCC_SAI2_CLK_ENABLE()
#define AUDIO_SAIx_CLK_DISABLE() __HAL_RCC_SAI2_CLK_DISABLE()
#define AUDIO_SAIx_SCK_AF GPIO_AF8_SAI2
#define AUDIO_SAIx_FS_SD_MCLK_AF GPIO_AF10_SAI2
#define AUDIO_SAIx_MCLK_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
#define AUDIO_SAIx_MCLK_GPIO_PORT GPIOE
#define AUDIO_SAIx_MCLK_PIN GPIO_PIN_6
#define AUDIO_SAIx_SCK_SD_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define AUDIO_SAIx_SCK_SD_GPIO_PORT GPIOA
#define AUDIO_SAIx_SCK_PIN GPIO_PIN_2
#define AUDIO_SAIx_SD_PIN GPIO_PIN_0
#define AUDIO_SAIx_FS_ENABLE() __HAL_RCC_GPIOG_CLK_ENABLE()
#define AUDIO_SAIx_FS_GPIO_PORT GPIOG
#define AUDIO_SAIx_FS_PIN GPIO_PIN_9
/* SAI DMA Stream definitions */
#define AUDIO_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
#define AUDIO_SAIx_DMAx_STREAM DMA2_Stream6
#define AUDIO_SAIx_DMAx_CHANNEL DMA_CHANNEL_3
#define AUDIO_SAIx_DMAx_IRQ DMA2_Stream6_IRQn
#define AUDIO_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define AUDIO_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define DMA_MAX_SZE 0xFFFF
#define AUDIO_SAIx_DMAx_IRQHandler DMA2_Stream6_IRQHandler
/* Select the interrupt preemption priority for the DMA interrupt */
#define AUDIO_OUT_IRQ_PREPRIO ((uint32_t)0x0E) /* Select the preemption priority level(0 is the highest) */
/*------------------------------------------------------------------------------
AUDIO IN CONFIGURATION
------------------------------------------------------------------------------*/
/* SPI Configuration defines */
#define AUDIO_I2Sx SPI3
#define AUDIO_I2Sx_CLK_ENABLE() __HAL_RCC_SPI3_CLK_ENABLE()
#define AUDIO_I2Sx_CLK_DISABLE() __HAL_RCC_SPI3_CLK_DISABLE()
#define AUDIO_I2Sx_SCK_PIN GPIO_PIN_3
#define AUDIO_I2Sx_SCK_GPIO_PORT GPIOB
#define AUDIO_I2Sx_SCK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
#define AUDIO_I2Sx_SCK_GPIO_CLK_DISABLE() __HAL_RCC_GPIOB_CLK_DISABLE()
#define AUDIO_I2Sx_SCK_AF GPIO_AF6_SPI3
#define AUDIO_I2Sx_SD_PIN GPIO_PIN_6
#define AUDIO_I2Sx_SD_GPIO_PORT GPIOD
#define AUDIO_I2Sx_SD_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
#define AUDIO_I2Sx_SD_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
#define AUDIO_I2Sx_SD_AF GPIO_AF5_SPI3
/* I2S DMA Stream Rx definitions */
#define AUDIO_I2Sx_DMAx_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
#define AUDIO_I2Sx_DMAx_CLK_DISABLE() __HAL_RCC_DMA1_CLK_DISABLE()
#define AUDIO_I2Sx_DMAx_STREAM DMA1_Stream2
#define AUDIO_I2Sx_DMAx_CHANNEL DMA_CHANNEL_0
#define AUDIO_I2Sx_DMAx_IRQ DMA1_Stream2_IRQn
#define AUDIO_I2Sx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define AUDIO_I2Sx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define AUDIO_I2Sx_DMAx_IRQHandler DMA1_Stream2_IRQHandler
/* Select the interrupt preemption priority and subpriority for the IT/DMA interrupt */
#define AUDIO_IN_IRQ_PREPRIO ((uint32_t)0x0F) /* Select the preemption priority level(0 is the highest) */
/* Two channels are used:
- one channel as input which is connected to I2S SCK in stereo mode
- one channel as outupt which divides the frequency on the input
*/
#define AUDIO_TIMx_CLK_ENABLE() __HAL_RCC_TIM3_CLK_ENABLE()
#define AUDIO_TIMx_CLK_DISABLE() __HAL_RCC_TIM3_CLK_DISABLE()
#define AUDIO_TIMx TIM3
#define AUDIO_TIMx_IN_CHANNEL TIM_CHANNEL_1
#define AUDIO_TIMx_OUT_CHANNEL TIM_CHANNEL_2 /* Select channel 2 as output */
#define AUDIO_TIMx_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
#define AUDIO_TIMx_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
#define AUDIO_TIMx_GPIO_PORT GPIOC
#define AUDIO_TIMx_IN_GPIO_PIN GPIO_PIN_6
#define AUDIO_TIMx_OUT_GPIO_PIN GPIO_PIN_7
#define AUDIO_TIMx_AF GPIO_AF2_TIM3
/*------------------------------------------------------------------------------
CONFIGURATION: Audio Driver Configuration parameters
------------------------------------------------------------------------------*/
#define AUDIODATA_SIZE 2 /* 16-bits audio data size */
/* Audio status definition */
#define AUDIO_OK ((uint8_t)0)
#define AUDIO_ERROR ((uint8_t)1)
#define AUDIO_TIMEOUT ((uint8_t)2)
/* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 2) */
#define DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_16K
#define DEFAULT_AUDIO_IN_BIT_RESOLUTION ((uint8_t)16)
#define DEFAULT_AUDIO_IN_CHANNEL_NBR ((uint8_t)2) /* Mono = 1, Stereo = 2 */
#define DEFAULT_AUDIO_IN_VOLUME ((uint16_t)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*2)
#define CHANNEL_DEMUX_MASK ((uint8_t)0x55)
/*------------------------------------------------------------------------------
OPTIONAL Configuration defines parameters
------------------------------------------------------------------------------*/
/* Delay for the Codec to be correctly reset */
#define CODEC_RESET_DELAY ((uint8_t)5)
/*------------------------------------------------------------------------------
OUTPUT DEVICES definition
------------------------------------------------------------------------------*/
/* Alias on existing output devices to adapt for 2 headphones output */
#define OUTPUT_DEVICE_HEADPHONE1 OUTPUT_DEVICE_HEADPHONE
#define OUTPUT_DEVICE_HEADPHONE2 OUTPUT_DEVICE_SPEAKER /* Headphone2 is connected to Speaker output of the wm8994 */
/**
* @}
*/
/** @defgroup STM32756G_EVAL_AUDIO_Exported_Variables STM32756G_EVAL_AUDIO Exported Variables
* @{
*/
extern __IO uint16_t AudioInVolume;
/**
* @}
*/
/** @defgroup STM32756G_EVAL_AUDIO_Exported_Macros STM32756G_EVAL_AUDIO Exported Macros
* @{
*/
#define DMA_MAX(x) (((x) <= DMA_MAX_SZE)? (x):DMA_MAX_SZE)
/**
* @}
*/
/** @defgroup STM32756G_EVAL_AUDIO_OUT_Exported_Functions STM32756G_EVAL_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);
void BSP_AUDIO_OUT_SetAudioFrameSlot(uint32_t AudioFrameSlot);
uint8_t BSP_AUDIO_OUT_SetMute(uint32_t Cmd);
uint8_t BSP_AUDIO_OUT_SetOutputMode(uint8_t Output);
void BSP_AUDIO_OUT_DeInit(void);
/* 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(SAI_HandleTypeDef *hsai, uint32_t AudioFreq, void *Params);
void BSP_AUDIO_OUT_MspInit(SAI_HandleTypeDef *hsai, void *Params);
void BSP_AUDIO_OUT_MspDeInit(SAI_HandleTypeDef *hsai, void *Params);
/**
* @}
*/
/** @defgroup STM32756G_EVAL_AUDIO_IN_Exported_Functions STM32756G_EVAL_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);
void BSP_AUDIO_IN_DeInit(void);
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_MspInit(I2S_HandleTypeDef *hi2s, void *Params);
void BSP_AUDIO_IN_MspDeInit(I2S_HandleTypeDef *hi2s, void *Params);
void BSP_AUDIO_IN_ClockConfig(I2S_HandleTypeDef *hi2s, uint32_t AudioFreq, void *Params);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32756G_EVAL_AUDIO_H */