299 lines
13 KiB
C
299 lines
13 KiB
C
/**
|
|
******************************************************************************
|
|
* @file stm32746g_discovery_audio.h
|
|
* @author MCD Application Team
|
|
* @version V2.0.0
|
|
* @date 30-December-2016
|
|
* @brief This file contains the common defines and functions prototypes for
|
|
* the stm32746g_discovery_audio.c driver.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Define to prevent recursive inclusion -------------------------------------*/
|
|
#ifndef __STM32746G_DISCOVERY_AUDIO_H
|
|
#define __STM32746G_DISCOVERY_AUDIO_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
/* Include audio component Driver */
|
|
#include "wm8994.h"
|
|
#include "stm32746g_discovery.h"
|
|
|
|
/** @addtogroup BSP
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup STM32746G_DISCOVERY
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup STM32746G_DISCOVERY_AUDIO STM32746G_DISCOVERY_AUDIO
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup STM32746G_DISCOVERY_AUDIO_Exported_Types STM32746G_DISCOVERY_AUDIO Exported Types
|
|
* @{
|
|
*/
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup STM32746G_DISCOVERY_AUDIO_Exported_Constants STM32746G_DISCOVERY_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 OUT peripheral configuration defines */
|
|
#define AUDIO_OUT_SAIx SAI2_Block_A
|
|
#define AUDIO_OUT_SAIx_CLK_ENABLE() __HAL_RCC_SAI2_CLK_ENABLE()
|
|
#define AUDIO_OUT_SAIx_CLK_DISABLE() __HAL_RCC_SAI2_CLK_DISABLE()
|
|
#define AUDIO_OUT_SAIx_SCK_AF GPIO_AF10_SAI2
|
|
#define AUDIO_OUT_SAIx_FS_SD_MCLK_AF GPIO_AF10_SAI2
|
|
|
|
#define AUDIO_OUT_SAIx_MCLK_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
|
|
#define AUDIO_OUT_SAIx_MCLK_GPIO_PORT GPIOI
|
|
#define AUDIO_OUT_SAIx_MCLK_PIN GPIO_PIN_4
|
|
#define AUDIO_OUT_SAIx_SCK_SD_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
|
|
#define AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT GPIOI
|
|
#define AUDIO_OUT_SAIx_SCK_PIN GPIO_PIN_5
|
|
#define AUDIO_OUT_SAIx_SD_PIN GPIO_PIN_6
|
|
#define AUDIO_OUT_SAIx_FS_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
|
|
#define AUDIO_OUT_SAIx_FS_GPIO_PORT GPIOI
|
|
#define AUDIO_OUT_SAIx_FS_PIN GPIO_PIN_7
|
|
|
|
/* SAI DMA Stream definitions */
|
|
#define AUDIO_OUT_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
|
|
#define AUDIO_OUT_SAIx_DMAx_STREAM DMA2_Stream4
|
|
#define AUDIO_OUT_SAIx_DMAx_CHANNEL DMA_CHANNEL_3
|
|
#define AUDIO_OUT_SAIx_DMAx_IRQ DMA2_Stream4_IRQn
|
|
#define AUDIO_OUT_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
|
|
#define AUDIO_OUT_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
|
|
#define DMA_MAX_SZE ((uint16_t)0xFFFF)
|
|
|
|
#define AUDIO_OUT_SAIx_DMAx_IRQHandler DMA2_Stream4_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
|
|
------------------------------------------------------------------------------*/
|
|
/* SAI IN peripheral configuration defines */
|
|
#define AUDIO_IN_SAIx SAI2_Block_B
|
|
#define AUDIO_IN_SAIx_CLK_ENABLE() __HAL_RCC_SAI2_CLK_ENABLE()
|
|
#define AUDIO_IN_SAIx_CLK_DISABLE() __HAL_RCC_SAI2_CLK_DISABLE()
|
|
#define AUDIO_IN_SAIx_SD_AF GPIO_AF10_SAI2
|
|
|
|
#define AUDIO_IN_SAIx_SD_ENABLE() __HAL_RCC_GPIOG_CLK_ENABLE()
|
|
#define AUDIO_IN_SAIx_SD_GPIO_PORT GPIOG
|
|
#define AUDIO_IN_SAIx_SD_PIN GPIO_PIN_10
|
|
|
|
#define AUDIO_IN_INT_GPIO_ENABLE() __HAL_RCC_GPIOH_CLK_ENABLE()
|
|
#define AUDIO_IN_INT_GPIO_PORT GPIOH
|
|
#define AUDIO_IN_INT_GPIO_PIN GPIO_PIN_15
|
|
#define AUDIO_IN_INT_IRQ EXTI15_10_IRQn
|
|
|
|
/* SAI DMA Stream definitions */
|
|
#define AUDIO_IN_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
|
|
#define AUDIO_IN_SAIx_DMAx_STREAM DMA2_Stream7
|
|
#define AUDIO_IN_SAIx_DMAx_CHANNEL DMA_CHANNEL_0
|
|
#define AUDIO_IN_SAIx_DMAx_IRQ DMA2_Stream7_IRQn
|
|
#define AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
|
|
#define AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
|
|
|
|
#define AUDIO_IN_SAIx_DMAx_IRQHandler DMA2_Stream7_IRQHandler
|
|
#define AUDIO_IN_INT_IRQHandler EXTI15_10_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) */
|
|
|
|
/*------------------------------------------------------------------------------
|
|
CONFIGURATION: Audio Driver Configuration parameters
|
|
------------------------------------------------------------------------------*/
|
|
|
|
#define AUDIODATA_SIZE ((uint16_t)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_44K
|
|
//#define DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_44K
|
|
#define DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_48K
|
|
//#define DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_11K
|
|
#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 ((uint8_t)64)
|
|
#define DEFAULT_AUDIO_OUT_VOLUME ((uint8_t)90)
|
|
|
|
/*------------------------------------------------------------------------------
|
|
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 STM32746G_DISCOVERY_AUDIO_Exported_Variables STM32746G_DISCOVERY_AUDIO Exported Variables
|
|
* @{
|
|
*/
|
|
extern __IO uint16_t AudioInVolume;
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup STM32746G_DISCOVERY_AUDIO_Exported_Macros STM32746G_DISCOVERY_AUDIO Exported Macros
|
|
* @{
|
|
*/
|
|
#define DMA_MAX(x) (((x) <= DMA_MAX_SZE)? (x):DMA_MAX_SZE)
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @addtogroup STM32746G_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);
|
|
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 STM32746G_DISCOVERY_AUDIO_IN_Exported_Functions STM32746G_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_InitEx(uint16_t InputDevice, uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr);
|
|
uint8_t BSP_AUDIO_IN_OUT_Init(uint16_t InputDevice, uint16_t OutputDevice, uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr, uint8_t InputVolume, uint8_t OutputVolume);
|
|
uint8_t BSP_AUDIO_IN_Record(uint16_t *pData, uint32_t Size);
|
|
uint8_t BSP_AUDIO_IN_Stop(uint32_t Option);
|
|
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);
|
|
/* 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(SAI_HandleTypeDef *hsai, void *Params);
|
|
void BSP_AUDIO_IN_MspDeInit(SAI_HandleTypeDef *hsai, void *Params);
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __STM32746G_DISCOVERY_AUDIO_H */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|