AudioRecord

Dependencies:   STM32L4xx_HAL_Driver CMSIS_DSP_401

Revision:
0:d4e5ad7ad71c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stm32l476g_discovery_audio.h	Mon Nov 23 19:37:13 2015 +0000
@@ -0,0 +1,280 @@
+/**
+  ******************************************************************************
+  * @file    stm32l476g_discovery_audio.h
+  * @author  MCD Application Team
+  * @version V1.0.1
+  * @date    16-September-2015
+  * @brief   This file contains the common defines and functions prototypes for
+  *          the stm32l476g_discovery_audio.c driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 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 __STM32L476G_DISCOVERY_AUDIO_H
+#define __STM32L476G_DISCOVERY_AUDIO_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#if defined(BSP_AUDIO_USE_RTOS)
+#include "k_mem.h"
+#else
+#include <stdlib.h>
+#endif
+/* Include audio component Driver */
+
+#include "stm32l476g_discovery.h"
+
+/** @addtogroup BSP
+  * @{
+  */ 
+
+/** @addtogroup STM32L476G_DISCOVERY
+  * @{
+  */
+
+/** @addtogroup STM32L476G_DISCOVERY_AUDIO
+  * @{
+  */
+
+/** @defgroup STM32L476G_DISCOVERY_AUDIO_Exported_Types Exported Types
+  * @{
+  */
+typedef void (*Audio_CallbackTypeDef)(void);
+
+/**
+  * @}
+  */
+
+/** @defgroup STM32L476G_DISCOVERY_AUDIO_Exported_Constants Exported Constants
+  * @{
+  */
+/** @defgroup BSP_Audio_Out_Option BSP Audio Out Option
+  * @{
+  */
+#define BSP_AUDIO_OUT_CIRCULARMODE      ((uint32_t)0x00000001) /* BUFFER CIRCULAR MODE */
+#define BSP_AUDIO_OUT_NORMALMODE        ((uint32_t)0x00000002) /* BUFFER NORMAL MODE   */
+#define BSP_AUDIO_OUT_STEREOMODE        ((uint32_t)0x00000004) /* STEREO MODE          */
+#define BSP_AUDIO_OUT_MONOMODE          ((uint32_t)0x00000008) /* MONO MODE            */
+/**
+  * @}
+  */
+ 
+/** @defgroup BSP_Audio_Sample_Rate BSP Audio Sample Rate
+  * @{
+  */
+#define BSP_AUDIO_FREQUENCY_96K         SAI_AUDIO_FREQUENCY_96K
+#define BSP_AUDIO_FREQUENCY_48K         SAI_AUDIO_FREQUENCY_48K
+#define BSP_AUDIO_FREQUENCY_44K         SAI_AUDIO_FREQUENCY_44K
+#define BSP_AUDIO_FREQUENCY_32K         SAI_AUDIO_FREQUENCY_32K
+#define BSP_AUDIO_FREQUENCY_22K         SAI_AUDIO_FREQUENCY_22K
+#define BSP_AUDIO_FREQUENCY_16K         SAI_AUDIO_FREQUENCY_16K
+#define BSP_AUDIO_FREQUENCY_11K         SAI_AUDIO_FREQUENCY_11K
+#define BSP_AUDIO_FREQUENCY_8K          SAI_AUDIO_FREQUENCY_8K
+/**
+  * @}
+  */
+  
+/* AUDIO FREQUENCY */
+#define AUDIO_FREQUENCY_192K          ((uint32_t)192000)
+#define AUDIO_FREQUENCY_96K           ((uint32_t)96000)
+#define AUDIO_FREQUENCY_48K           ((uint32_t)48000)
+#define AUDIO_FREQUENCY_44K           ((uint32_t)44100)
+#define AUDIO_FREQUENCY_32K           ((uint32_t)32000)
+#define AUDIO_FREQUENCY_22K           ((uint32_t)22050)
+#define AUDIO_FREQUENCY_16K           ((uint32_t)16000)
+#define AUDIO_FREQUENCY_11K           ((uint32_t)11025)
+#define AUDIO_FREQUENCY_8K            ((uint32_t)8000)  
+  
+/*------------------------------------------------------------------------------
+                          USER SAI defines parameters
+ -----------------------------------------------------------------------------*/
+/* SAI peripheral configuration defines */
+#define AUDIO_SAIx                             SAI1_Block_A
+#define AUDIO_SAIx_CLK_ENABLE()                __HAL_RCC_SAI1_CLK_ENABLE()
+#define AUDIO_SAIx_CLK_DISABLE()               __HAL_RCC_SAI1_CLK_DISABLE()
+#define AUDIO_SAIx_MCK_SCK_SD_FS_AF            GPIO_AF13_SAI1
+
+#define AUDIO_SAIx_MCK_SCK_SD_FS_ENABLE()      __HAL_RCC_GPIOE_CLK_ENABLE()
+#define AUDIO_SAIx_MCK_SCK_SD_FS_DISABLE()     __HAL_RCC_GPIOE_CLK_DISABLE()
+#define AUDIO_SAIx_FS_PIN                      GPIO_PIN_4
+#define AUDIO_SAIx_SCK_PIN                     GPIO_PIN_5
+#define AUDIO_SAIx_SD_PIN                      GPIO_PIN_6
+#define AUDIO_SAIx_MCK_PIN                     GPIO_PIN_2
+#define AUDIO_SAIx_MCK_SCK_SD_FS_GPIO_PORT     GPIOE
+
+/* SAI DMA Channel definitions */
+#define AUDIO_SAIx_DMAx_CLK_ENABLE()         __HAL_RCC_DMA2_CLK_ENABLE()
+#define AUDIO_SAIx_DMAx_CLK_DISABLE()        __HAL_RCC_DMA2_CLK_DISABLE()
+#define AUDIO_SAIx_DMAx_CHANNEL              DMA2_Channel1
+#define AUDIO_SAIx_DMAx_IRQ                  DMA2_Channel1_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                          (uint32_t)0xFFFF
+   
+#define AUDIO_SAIx_DMAx_IRQHandler           DMA2_Channel1_IRQHandler
+
+/* Select the interrupt preemption priority for the DMA interrupt */
+#define AUDIO_OUT_IRQ_PREPRIO           5   /* Select the preemption priority level(0 is the highest) */   
+
+/* Disable SAIx PLL */
+#define AUDIO_SAIx_PLL_DISABLE()             HAL_RCCEx_DisablePLLSAI1()
+
+/*------------------------------------------------------------------------------
+                        AUDIO IN CONFIGURATION
+------------------------------------------------------------------------------*/
+/* DFSDM Configuration defines */
+#define AUDIO_DFSDMx_LEFT_CHANNEL                       DFSDM_Channel2
+#define AUDIO_DFSDMx_LEFT_FILTER                        DFSDM_Filter0
+#define AUDIO_DFSDMx_CLK_ENABLE()                       __HAL_RCC_DFSDM_CLK_ENABLE()
+#define AUDIO_DFSDMx_CLK_DISABLE()                       __HAL_RCC_DFSDM_CLK_DISABLE()
+#define AUDIO_DFSDMx_CKOUT_PIN                          GPIO_PIN_9
+#define AUDIO_DFSDMx_DMIC_DATIN_PIN                     GPIO_PIN_7
+#define AUDIO_DFSDMx_CKOUT_DMIC_DATIN_GPIO_PORT         GPIOE
+#define AUDIO_DFSDMx_CKOUT_DMIC_DATIN_GPIO_CLK_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
+#define AUDIO_DFSDMx_CKOUT_DMIC_DATIN_GPIO_CLK_DISABLE() __HAL_RCC_GPIOE_CLK_DISABLE()
+#define AUDIO_DFSDMx_CKOUT_DMIC_DATIN_AF                GPIO_AF6_DFSDM
+
+/* DFSDM DMA Right and Left channels definitions */
+#define AUDIO_DFSDMx_DMAx_CLK_ENABLE()                  __HAL_RCC_DMA1_CLK_ENABLE()
+#define AUDIO_DFSDMx_DMAx_CLK_DISABLE()                 __HAL_RCC_DMA1_CLK_DISABLE()
+#define AUDIO_DFSDMx_DMAx_LEFT_CHANNEL                  DMA1_Channel4
+#define AUDIO_DFSDMx_DMAx_LEFT_IRQ                      DMA1_Channel4_IRQn
+#define AUDIO_DFSDMx_DMAx_PERIPH_DATA_SIZE              DMA_PDATAALIGN_WORD
+#define AUDIO_DFSDMx_DMAx_MEM_DATA_SIZE                 DMA_MDATAALIGN_WORD
+   
+#define AUDIO_DFSDM_DMAx_LEFT_IRQHandler                DMA1_Channel4_IRQHandler
+  
+/* Select the interrupt preemption priority and subpriority for the IT/DMA interrupt */
+#define AUDIO_IN_IRQ_PREPRIO                6   /* 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               BSP_AUDIO_FREQUENCY_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
+
+/*------------------------------------------------------------------------------
+                    OPTIONAL Configuration defines parameters
+------------------------------------------------------------------------------*/
+
+/* Delay for the Codec to be correctly reset */
+#define CODEC_RESET_DELAY           5
+
+/**
+  * @}
+  */
+ 
+/** @defgroup STM32L476G_DISCOVERY_AUDIO_Exported_Variables Exported Variables
+  * @{
+  */
+extern SAI_HandleTypeDef          BSP_AUDIO_hSai;
+extern DFSDM_Filter_HandleTypeDef BSP_AUDIO_hDfsdmLeftFilter;
+
+ /**
+  * @}
+  */
+   
+/** @defgroup STM32L476G_DISCOVERY_AUDIO_Exported_Macros Exported Macros
+  * @{
+  */
+#define DMA_MAX(_X_)                (((_X_) <= DMA_MAX_SZE)? (_X_):DMA_MAX_SZE)
+
+/**
+  * @}
+  */
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup STM32L476G_DISCOVERY_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_DeInit(void);
+uint8_t BSP_AUDIO_OUT_Play(uint16_t* pData, 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);
+void    BSP_AUDIO_OUT_ChangeAudioConfig(uint32_t AudioOutOption);
+uint8_t BSP_AUDIO_OUT_SetMute(uint32_t Cmd);
+uint8_t BSP_AUDIO_OUT_SetOutputMode(uint8_t Output);
+void    BSP_AUDIO_OUT_RegisterCallbacks(Audio_CallbackTypeDef ErrorCallback, 
+                                        Audio_CallbackTypeDef HalfTransferCallback, 
+                                        Audio_CallbackTypeDef TransferCompleteCallback);
+
+uint8_t BSP_AUDIO_IN_Init(uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr);
+uint8_t BSP_AUDIO_IN_DeInit(void);
+uint8_t BSP_AUDIO_IN_Record(uint16_t *pData, uint32_t Size);
+uint8_t BSP_AUDIO_IN_SetFrequency(uint32_t AudioFreq);
+uint8_t BSP_AUDIO_IN_Stop(void);
+uint8_t BSP_AUDIO_IN_Pause(void);
+uint8_t BSP_AUDIO_IN_Resume(void);
+void    BSP_AUDIO_IN_RegisterCallbacks(Audio_CallbackTypeDef ErrorCallback, 
+                                       Audio_CallbackTypeDef HalfTransferCallback, 
+                                       Audio_CallbackTypeDef TransferCompleteCallback);
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L476G_DISCOVERY_AUDIO_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+