Alexis Lacasse / BSP_DISCO_F746NG

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stm32746g_discovery_audio.h@10:32ce84f82a72, 2018-06-05 (annotated)

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1536082
Date:
Tue Jun 05 19:44:28 2018 +0000
Revision:
10:32ce84f82a72
Parent:
1:ee089790cdbb
Child:
5:5a395e126678
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bcostm 1:ee089790cdbb 1 /**
bcostm 1:ee089790cdbb 2 ******************************************************************************
bcostm 1:ee089790cdbb 3 * @file stm32746g_discovery_audio.h
bcostm 1:ee089790cdbb 4 * @author MCD Application Team
bcostm 1:ee089790cdbb 5 * @version V1.0.0
bcostm 1:ee089790cdbb 6 * @date 25-June-2015
bcostm 1:ee089790cdbb 7 * @brief This file contains the common defines and functions prototypes for
bcostm 1:ee089790cdbb 8 * the stm32746g_discovery_audio.c driver.
bcostm 1:ee089790cdbb 9 ******************************************************************************
bcostm 1:ee089790cdbb 10 * @attention
bcostm 1:ee089790cdbb 11 *
bcostm 1:ee089790cdbb 12 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bcostm 1:ee089790cdbb 13 *
bcostm 1:ee089790cdbb 14 * Redistribution and use in source and binary forms, with or without modification,
bcostm 1:ee089790cdbb 15 * are permitted provided that the following conditions are met:
bcostm 1:ee089790cdbb 16 * 1. Redistributions of source code must retain the above copyright notice,
bcostm 1:ee089790cdbb 17 * this list of conditions and the following disclaimer.
bcostm 1:ee089790cdbb 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
bcostm 1:ee089790cdbb 19 * this list of conditions and the following disclaimer in the documentation
bcostm 1:ee089790cdbb 20 * and/or other materials provided with the distribution.
bcostm 1:ee089790cdbb 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bcostm 1:ee089790cdbb 22 * may be used to endorse or promote products derived from this software
bcostm 1:ee089790cdbb 23 * without specific prior written permission.
bcostm 1:ee089790cdbb 24 *
bcostm 1:ee089790cdbb 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bcostm 1:ee089790cdbb 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bcostm 1:ee089790cdbb 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bcostm 1:ee089790cdbb 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bcostm 1:ee089790cdbb 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bcostm 1:ee089790cdbb 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bcostm 1:ee089790cdbb 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bcostm 1:ee089790cdbb 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bcostm 1:ee089790cdbb 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bcostm 1:ee089790cdbb 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bcostm 1:ee089790cdbb 35 *
bcostm 1:ee089790cdbb 36 ******************************************************************************
bcostm 1:ee089790cdbb 37 */
bcostm 1:ee089790cdbb 38
bcostm 1:ee089790cdbb 39 /* Define to prevent recursive inclusion -------------------------------------*/
bcostm 1:ee089790cdbb 40 #ifndef __STM32746G_DISCOVERY_AUDIO_H
bcostm 1:ee089790cdbb 41 #define __STM32746G_DISCOVERY_AUDIO_H
bcostm 1:ee089790cdbb 42
bcostm 1:ee089790cdbb 43 #ifdef __cplusplus
bcostm 1:ee089790cdbb 44 extern "C" {
bcostm 1:ee089790cdbb 45 #endif
bcostm 1:ee089790cdbb 46
bcostm 1:ee089790cdbb 47 /* Includes ------------------------------------------------------------------*/
bcostm 1:ee089790cdbb 48 /* Include audio component Driver */
bcostm 1:ee089790cdbb 49 #include "wm8994.h"
bcostm 1:ee089790cdbb 50 #include "stm32746g_discovery.h"
bcostm 1:ee089790cdbb 51
bcostm 1:ee089790cdbb 52 /** @addtogroup BSP
bcostm 1:ee089790cdbb 53 * @{
bcostm 1:ee089790cdbb 54 */
bcostm 1:ee089790cdbb 55
bcostm 1:ee089790cdbb 56 /** @addtogroup STM32746G_DISCOVERY
bcostm 1:ee089790cdbb 57 * @{
bcostm 1:ee089790cdbb 58 */
bcostm 1:ee089790cdbb 59
bcostm 1:ee089790cdbb 60 /** @defgroup STM32746G_DISCOVERY_AUDIO STM32746G_DISCOVERY_AUDIO
bcostm 1:ee089790cdbb 61 * @{
bcostm 1:ee089790cdbb 62 */
bcostm 1:ee089790cdbb 63
bcostm 1:ee089790cdbb 64 /** @defgroup STM32746G_DISCOVERY_AUDIO_Exported_Types STM32746G_DISCOVERY_AUDIO Exported Types
bcostm 1:ee089790cdbb 65 * @{
bcostm 1:ee089790cdbb 66 */
bcostm 1:ee089790cdbb 67 /**
bcostm 1:ee089790cdbb 68 * @}
bcostm 1:ee089790cdbb 69 */
bcostm 1:ee089790cdbb 70
bcostm 1:ee089790cdbb 71 /** @defgroup STM32746G_DISCOVERY_AUDIO_Exported_Constants STM32746G_DISCOVERY_AUDIO Exported Constants
bcostm 1:ee089790cdbb 72 * @{
bcostm 1:ee089790cdbb 73 */
bcostm 1:ee089790cdbb 74
bcostm 1:ee089790cdbb 75 /*------------------------------------------------------------------------------
bcostm 1:ee089790cdbb 76 USER SAI defines parameters
bcostm 1:ee089790cdbb 77 -----------------------------------------------------------------------------*/
bcostm 1:ee089790cdbb 78 /* CODEC_AudioFrame_SLOT_TDMMode
bcostm 1:ee089790cdbb 79 In W8994 codec the Audio frame contains 4 slots : TDM Mode
bcostm 1:ee089790cdbb 80 TDM format :
bcostm 1:ee089790cdbb 81 +------------------|------------------|--------------------|-------------------+
bcostm 1:ee089790cdbb 82 | CODEC_SLOT0 Left | CODEC_SLOT1 Left | CODEC_SLOT0 Right | CODEC_SLOT1 Right |
bcostm 1:ee089790cdbb 83 +------------------------------------------------------------------------------+
bcostm 1:ee089790cdbb 84 */
bcostm 1:ee089790cdbb 85 /* To have 2 separate audio stream in Both headphone and speaker the 4 slot must be activated */
bcostm 1:ee089790cdbb 86 #define CODEC_AUDIOFRAME_SLOT_0123 SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_1 | SAI_SLOTACTIVE_2 | SAI_SLOTACTIVE_3
bcostm 1:ee089790cdbb 87 /* To have an audio stream in headphone only SAI Slot 0 and Slot 2 must be activated */
bcostm 1:ee089790cdbb 88 #define CODEC_AUDIOFRAME_SLOT_02 SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_2
bcostm 1:ee089790cdbb 89 /* To have an audio stream in speaker only SAI Slot 1 and Slot 3 must be activated */
bcostm 1:ee089790cdbb 90 #define CODEC_AUDIOFRAME_SLOT_13 SAI_SLOTACTIVE_1 | SAI_SLOTACTIVE_3
bcostm 1:ee089790cdbb 91
bcostm 1:ee089790cdbb 92 /* SAI OUT peripheral configuration defines */
bcostm 1:ee089790cdbb 93 #define AUDIO_OUT_SAIx SAI2_Block_A
bcostm 1:ee089790cdbb 94 #define AUDIO_OUT_SAIx_CLK_ENABLE() __HAL_RCC_SAI2_CLK_ENABLE()
bcostm 1:ee089790cdbb 95 #define AUDIO_OUT_SAIx_CLK_DISABLE() __HAL_RCC_SAI2_CLK_DISABLE()
bcostm 1:ee089790cdbb 96 #define AUDIO_OUT_SAIx_SCK_AF GPIO_AF10_SAI2
bcostm 1:ee089790cdbb 97 #define AUDIO_OUT_SAIx_FS_SD_MCLK_AF GPIO_AF10_SAI2
bcostm 1:ee089790cdbb 98
bcostm 1:ee089790cdbb 99 #define AUDIO_OUT_SAIx_MCLK_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
bcostm 1:ee089790cdbb 100 #define AUDIO_OUT_SAIx_MCLK_GPIO_PORT GPIOI
bcostm 1:ee089790cdbb 101 #define AUDIO_OUT_SAIx_MCLK_PIN GPIO_PIN_4
bcostm 1:ee089790cdbb 102 #define AUDIO_OUT_SAIx_SCK_SD_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
bcostm 1:ee089790cdbb 103 #define AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT GPIOI
bcostm 1:ee089790cdbb 104 #define AUDIO_OUT_SAIx_SCK_PIN GPIO_PIN_5
bcostm 1:ee089790cdbb 105 #define AUDIO_OUT_SAIx_SD_PIN GPIO_PIN_6
bcostm 1:ee089790cdbb 106 #define AUDIO_OUT_SAIx_FS_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
bcostm 1:ee089790cdbb 107 #define AUDIO_OUT_SAIx_FS_GPIO_PORT GPIOI
bcostm 1:ee089790cdbb 108 #define AUDIO_OUT_SAIx_FS_PIN GPIO_PIN_7
bcostm 1:ee089790cdbb 109
bcostm 1:ee089790cdbb 110 /* SAI DMA Stream definitions */
bcostm 1:ee089790cdbb 111 #define AUDIO_OUT_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
bcostm 1:ee089790cdbb 112 #define AUDIO_OUT_SAIx_DMAx_STREAM DMA2_Stream4
bcostm 1:ee089790cdbb 113 #define AUDIO_OUT_SAIx_DMAx_CHANNEL DMA_CHANNEL_3
bcostm 1:ee089790cdbb 114 #define AUDIO_OUT_SAIx_DMAx_IRQ DMA2_Stream4_IRQn
bcostm 1:ee089790cdbb 115 #define AUDIO_OUT_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
bcostm 1:ee089790cdbb 116 #define AUDIO_OUT_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
bcostm 1:ee089790cdbb 117 #define DMA_MAX_SZE ((uint16_t)0xFFFF)
bcostm 1:ee089790cdbb 118
bcostm 1:ee089790cdbb 119 #define AUDIO_OUT_SAIx_DMAx_IRQHandler DMA2_Stream4_IRQHandler
bcostm 1:ee089790cdbb 120
bcostm 1:ee089790cdbb 121 /* Select the interrupt preemption priority for the DMA interrupt */
bcostm 1:ee089790cdbb 122 #define AUDIO_OUT_IRQ_PREPRIO ((uint32_t)5) /* Select the preemption priority level(0 is the highest) */
bcostm 1:ee089790cdbb 123
bcostm 1:ee089790cdbb 124 /*------------------------------------------------------------------------------
bcostm 1:ee089790cdbb 125 AUDIO IN CONFIGURATION
bcostm 1:ee089790cdbb 126 ------------------------------------------------------------------------------*/
bcostm 1:ee089790cdbb 127 /* SAI IN peripheral configuration defines */
bcostm 1:ee089790cdbb 128 #define AUDIO_IN_SAIx SAI2_Block_B
bcostm 1:ee089790cdbb 129 #define AUDIO_IN_SAIx_CLK_ENABLE() __HAL_RCC_SAI2_CLK_ENABLE()
bcostm 1:ee089790cdbb 130 #define AUDIO_IN_SAIx_CLK_DISABLE() __HAL_RCC_SAI2_CLK_DISABLE()
bcostm 1:ee089790cdbb 131 #define AUDIO_IN_SAIx_SD_AF GPIO_AF10_SAI2
bcostm 1:ee089790cdbb 132
bcostm 1:ee089790cdbb 133 #define AUDIO_IN_SAIx_SD_ENABLE() __HAL_RCC_GPIOG_CLK_ENABLE()
bcostm 1:ee089790cdbb 134 #define AUDIO_IN_SAIx_SD_GPIO_PORT GPIOG
bcostm 1:ee089790cdbb 135 #define AUDIO_IN_SAIx_SD_PIN GPIO_PIN_10
bcostm 1:ee089790cdbb 136
bcostm 1:ee089790cdbb 137 #define AUDIO_IN_INT_GPIO_ENABLE() __HAL_RCC_GPIOH_CLK_ENABLE()
bcostm 1:ee089790cdbb 138 #define AUDIO_IN_INT_GPIO_PORT GPIOH
bcostm 1:ee089790cdbb 139 #define AUDIO_IN_INT_GPIO_PIN GPIO_PIN_15
bcostm 1:ee089790cdbb 140 #define AUDIO_IN_INT_IRQ EXTI15_10_IRQn
bcostm 1:ee089790cdbb 141
bcostm 1:ee089790cdbb 142 /* SAI DMA Stream definitions */
bcostm 1:ee089790cdbb 143 #define AUDIO_IN_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
bcostm 1:ee089790cdbb 144 #define AUDIO_IN_SAIx_DMAx_STREAM DMA2_Stream7
bcostm 1:ee089790cdbb 145 #define AUDIO_IN_SAIx_DMAx_CHANNEL DMA_CHANNEL_0
bcostm 1:ee089790cdbb 146 #define AUDIO_IN_SAIx_DMAx_IRQ DMA2_Stream7_IRQn
bcostm 1:ee089790cdbb 147 #define AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
bcostm 1:ee089790cdbb 148 #define AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
bcostm 1:ee089790cdbb 149
bcostm 1:ee089790cdbb 150 #define AUDIO_IN_SAIx_DMAx_IRQHandler DMA2_Stream7_IRQHandler
bcostm 1:ee089790cdbb 151 #define AUDIO_IN_INT_IRQHandler EXTI15_10_IRQHandler
bcostm 1:ee089790cdbb 152
bcostm 1:ee089790cdbb 153 /* Select the interrupt preemption priority and subpriority for the IT/DMA interrupt */
bcostm 1:ee089790cdbb 154 #define AUDIO_IN_IRQ_PREPRIO ((uint32_t)6) /* Select the preemption priority level(0 is the highest) */
bcostm 1:ee089790cdbb 155
bcostm 1:ee089790cdbb 156 /*------------------------------------------------------------------------------
bcostm 1:ee089790cdbb 157 CONFIGURATION: Audio Driver Configuration parameters
bcostm 1:ee089790cdbb 158 ------------------------------------------------------------------------------*/
bcostm 1:ee089790cdbb 159
bcostm 1:ee089790cdbb 160 #define AUDIODATA_SIZE ((uint16_t)2) /* 16-bits audio data size */
bcostm 1:ee089790cdbb 161
bcostm 1:ee089790cdbb 162 /* Audio status definition */
bcostm 1:ee089790cdbb 163 #define AUDIO_OK ((uint8_t)0)
bcostm 1:ee089790cdbb 164 #define AUDIO_ERROR ((uint8_t)1)
bcostm 1:ee089790cdbb 165 #define AUDIO_TIMEOUT ((uint8_t)2)
bcostm 1:ee089790cdbb 166
bcostm 1:ee089790cdbb 167 /* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 2) */
bcostm 1:ee089790cdbb 168 #define DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_16K
bcostm 1:ee089790cdbb 169 #define DEFAULT_AUDIO_IN_BIT_RESOLUTION ((uint8_t)16)
bcostm 1:ee089790cdbb 170 #define DEFAULT_AUDIO_IN_CHANNEL_NBR ((uint8_t)2) /* Mono = 1, Stereo = 2 */
bcostm 1:ee089790cdbb 171 #define DEFAULT_AUDIO_IN_VOLUME ((uint16_t)64)
bcostm 1:ee089790cdbb 172
bcostm 1:ee089790cdbb 173 /*------------------------------------------------------------------------------
bcostm 1:ee089790cdbb 174 OPTIONAL Configuration defines parameters
bcostm 1:ee089790cdbb 175 ------------------------------------------------------------------------------*/
bcostm 1:ee089790cdbb 176
bcostm 1:ee089790cdbb 177 /* Delay for the Codec to be correctly reset */
bcostm 1:ee089790cdbb 178 #define CODEC_RESET_DELAY ((uint8_t)5)
bcostm 1:ee089790cdbb 179
bcostm 1:ee089790cdbb 180
bcostm 1:ee089790cdbb 181 /*------------------------------------------------------------------------------
bcostm 1:ee089790cdbb 182 OUTPUT DEVICES definition
bcostm 1:ee089790cdbb 183 ------------------------------------------------------------------------------*/
bcostm 1:ee089790cdbb 184
bcostm 1:ee089790cdbb 185 /* Alias on existing output devices to adapt to Birdie discovery board 2 headphones output */
bcostm 1:ee089790cdbb 186 #define OUTPUT_DEVICE_HEADPHONE1 OUTPUT_DEVICE_HEADPHONE
bcostm 1:ee089790cdbb 187 #define OUTPUT_DEVICE_HEADPHONE2 OUTPUT_DEVICE_SPEAKER /* Headphone2 is connected to Speaker output of the wm8994 */
bcostm 1:ee089790cdbb 188
bcostm 1:ee089790cdbb 189 /**
bcostm 1:ee089790cdbb 190 * @}
bcostm 1:ee089790cdbb 191 */
bcostm 1:ee089790cdbb 192
bcostm 1:ee089790cdbb 193 /** @defgroup STM32746G_DISCOVERY_AUDIO_Exported_Variables STM32746G_DISCOVERY_AUDIO Exported Variables
bcostm 1:ee089790cdbb 194 * @{
bcostm 1:ee089790cdbb 195 */
bcostm 1:ee089790cdbb 196 extern __IO uint16_t AudioInVolume;
bcostm 1:ee089790cdbb 197 /**
bcostm 1:ee089790cdbb 198 * @}
bcostm 1:ee089790cdbb 199 */
bcostm 1:ee089790cdbb 200
bcostm 1:ee089790cdbb 201 /** @defgroup STM32746G_DISCOVERY_AUDIO_Exported_Macros STM32746G_DISCOVERY_AUDIO Exported Macros
bcostm 1:ee089790cdbb 202 * @{
bcostm 1:ee089790cdbb 203 */
bcostm 1:ee089790cdbb 204 #define DMA_MAX(x) (((x) <= DMA_MAX_SZE)? (x):DMA_MAX_SZE)
bcostm 1:ee089790cdbb 205 /**
bcostm 1:ee089790cdbb 206 * @}
bcostm 1:ee089790cdbb 207 */
bcostm 1:ee089790cdbb 208
bcostm 1:ee089790cdbb 209 /** @addtogroup STM32746G_DISCOVERY_AUDIO_OUT_Exported_Functions
bcostm 1:ee089790cdbb 210 * @{
bcostm 1:ee089790cdbb 211 */
bcostm 1:ee089790cdbb 212 uint8_t BSP_AUDIO_OUT_Init(uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
bcostm 1:ee089790cdbb 213 uint8_t BSP_AUDIO_OUT_Play(uint16_t* pBuffer, uint32_t Size);
bcostm 1:ee089790cdbb 214 void BSP_AUDIO_OUT_ChangeBuffer(uint16_t *pData, uint16_t Size);
bcostm 1:ee089790cdbb 215 uint8_t BSP_AUDIO_OUT_Pause(void);
bcostm 1:ee089790cdbb 216 uint8_t BSP_AUDIO_OUT_Resume(void);
bcostm 1:ee089790cdbb 217 uint8_t BSP_AUDIO_OUT_Stop(uint32_t Option);
bcostm 1:ee089790cdbb 218 uint8_t BSP_AUDIO_OUT_SetVolume(uint8_t Volume);
bcostm 1:ee089790cdbb 219 void BSP_AUDIO_OUT_SetFrequency(uint32_t AudioFreq);
bcostm 1:ee089790cdbb 220 void BSP_AUDIO_OUT_SetAudioFrameSlot(uint32_t AudioFrameSlot);
bcostm 1:ee089790cdbb 221 uint8_t BSP_AUDIO_OUT_SetMute(uint32_t Cmd);
bcostm 1:ee089790cdbb 222 uint8_t BSP_AUDIO_OUT_SetOutputMode(uint8_t Output);
bcostm 1:ee089790cdbb 223 void BSP_AUDIO_OUT_DeInit(void);
bcostm 1:ee089790cdbb 224
bcostm 1:ee089790cdbb 225 /* User Callbacks: user has to implement these functions in his code if they are needed. */
bcostm 1:ee089790cdbb 226 /* This function is called when the requested data has been completely transferred.*/
bcostm 1:ee089790cdbb 227 void BSP_AUDIO_OUT_TransferComplete_CallBack(void);
bcostm 1:ee089790cdbb 228
bcostm 1:ee089790cdbb 229 /* This function is called when half of the requested buffer has been transferred. */
bcostm 1:ee089790cdbb 230 void BSP_AUDIO_OUT_HalfTransfer_CallBack(void);
bcostm 1:ee089790cdbb 231
bcostm 1:ee089790cdbb 232 /* This function is called when an Interrupt due to transfer error on or peripheral
bcostm 1:ee089790cdbb 233 error occurs. */
bcostm 1:ee089790cdbb 234 void BSP_AUDIO_OUT_Error_CallBack(void);
bcostm 1:ee089790cdbb 235
bcostm 1:ee089790cdbb 236 /* These function can be modified in case the current settings (e.g. DMA stream)
bcostm 1:ee089790cdbb 237 need to be changed for specific application needs */
bcostm 1:ee089790cdbb 238 void BSP_AUDIO_OUT_ClockConfig(SAI_HandleTypeDef *hsai, uint32_t AudioFreq, void *Params);
bcostm 1:ee089790cdbb 239 void BSP_AUDIO_OUT_MspInit(SAI_HandleTypeDef *hsai, void *Params);
bcostm 1:ee089790cdbb 240 void BSP_AUDIO_OUT_MspDeInit(SAI_HandleTypeDef *hsai, void *Params);
bcostm 1:ee089790cdbb 241
bcostm 1:ee089790cdbb 242 /**
bcostm 1:ee089790cdbb 243 * @}
bcostm 1:ee089790cdbb 244 */
bcostm 1:ee089790cdbb 245
bcostm 1:ee089790cdbb 246 /** @defgroup STM32746G_DISCOVERY_AUDIO_IN_Exported_Functions STM32746G_DISCOVERY_AUDIO_IN Exported Functions
bcostm 1:ee089790cdbb 247 * @{
bcostm 1:ee089790cdbb 248 */
bcostm 1:ee089790cdbb 249 uint8_t BSP_AUDIO_IN_Init(uint16_t InputDevice, uint8_t Volume, uint32_t AudioFreq);
bcostm 1:ee089790cdbb 250 uint8_t BSP_AUDIO_IN_OUT_Init(uint16_t InputDevice, uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
bcostm 1:ee089790cdbb 251 uint8_t BSP_AUDIO_IN_Record(uint16_t *pData, uint32_t Size);
bcostm 1:ee089790cdbb 252 uint8_t BSP_AUDIO_IN_Stop(uint32_t Option);
bcostm 1:ee089790cdbb 253 uint8_t BSP_AUDIO_IN_Pause(void);
bcostm 1:ee089790cdbb 254 uint8_t BSP_AUDIO_IN_Resume(void);
bcostm 1:ee089790cdbb 255 uint8_t BSP_AUDIO_IN_SetVolume(uint8_t Volume);
bcostm 1:ee089790cdbb 256 void BSP_AUDIO_IN_DeInit(void);
bcostm 1:ee089790cdbb 257 /* User Callbacks: user has to implement these functions in his code if they are needed. */
bcostm 1:ee089790cdbb 258 /* This function should be implemented by the user application.
bcostm 1:ee089790cdbb 259 It is called into this driver when the current buffer is filled to prepare the next
bcostm 1:ee089790cdbb 260 buffer pointer and its size. */
bcostm 1:ee089790cdbb 261 void BSP_AUDIO_IN_TransferComplete_CallBack(void);
bcostm 1:ee089790cdbb 262 void BSP_AUDIO_IN_HalfTransfer_CallBack(void);
bcostm 1:ee089790cdbb 263
bcostm 1:ee089790cdbb 264 /* This function is called when an Interrupt due to transfer error on or peripheral
bcostm 1:ee089790cdbb 265 error occurs. */
bcostm 1:ee089790cdbb 266 void BSP_AUDIO_IN_Error_CallBack(void);
bcostm 1:ee089790cdbb 267
bcostm 1:ee089790cdbb 268 /* These function can be modified in case the current settings (e.g. DMA stream)
bcostm 1:ee089790cdbb 269 need to be changed for specific application needs */
bcostm 1:ee089790cdbb 270 void BSP_AUDIO_IN_MspInit(SAI_HandleTypeDef *hsai, void *Params);
bcostm 1:ee089790cdbb 271 void BSP_AUDIO_IN_MspDeInit(SAI_HandleTypeDef *hsai, void *Params);
bcostm 1:ee089790cdbb 272
bcostm 1:ee089790cdbb 273 /**
bcostm 1:ee089790cdbb 274 * @}
bcostm 1:ee089790cdbb 275 */
bcostm 1:ee089790cdbb 276
bcostm 1:ee089790cdbb 277 /**
bcostm 1:ee089790cdbb 278 * @}
bcostm 1:ee089790cdbb 279 */
bcostm 1:ee089790cdbb 280
bcostm 1:ee089790cdbb 281 /**
bcostm 1:ee089790cdbb 282 * @}
bcostm 1:ee089790cdbb 283 */
bcostm 1:ee089790cdbb 284
bcostm 1:ee089790cdbb 285 /**
bcostm 1:ee089790cdbb 286 * @}
bcostm 1:ee089790cdbb 287 */
bcostm 1:ee089790cdbb 288
bcostm 1:ee089790cdbb 289 #ifdef __cplusplus
bcostm 1:ee089790cdbb 290 }
bcostm 1:ee089790cdbb 291 #endif
bcostm 1:ee089790cdbb 292
bcostm 1:ee089790cdbb 293 #endif /* __STM32746G_DISCOVERY_AUDIO_H */
bcostm 1:ee089790cdbb 294
bcostm 1:ee089790cdbb 295 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/