SPKT
BSP_DISCO_F746NG/stm32746g_discovery_audio.c@0:4e245f4bc8ac, 2019-06-07 (annotated)
- Committer:
- phungductung
- Date:
- Fri Jun 07 05:06:42 2019 +0000
- Revision:
- 0:4e245f4bc8ac
spkt
Who changed what in which revision?
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phungductung | 0:4e245f4bc8ac | 1 | /** |
phungductung | 0:4e245f4bc8ac | 2 | ****************************************************************************** |
phungductung | 0:4e245f4bc8ac | 3 | * @file stm32746g_discovery_audio.c |
phungductung | 0:4e245f4bc8ac | 4 | * @author MCD Application Team |
phungductung | 0:4e245f4bc8ac | 5 | * @version V1.0.0 |
phungductung | 0:4e245f4bc8ac | 6 | * @date 25-June-2015 |
phungductung | 0:4e245f4bc8ac | 7 | * @brief This file provides the Audio driver for the STM32746G-Discovery board. |
phungductung | 0:4e245f4bc8ac | 8 | @verbatim |
phungductung | 0:4e245f4bc8ac | 9 | How To use this driver: |
phungductung | 0:4e245f4bc8ac | 10 | ----------------------- |
phungductung | 0:4e245f4bc8ac | 11 | + This driver supports STM32F7xx devices on STM32746G-Discovery (MB1191) board. |
phungductung | 0:4e245f4bc8ac | 12 | + Call the function BSP_AUDIO_OUT_Init( |
phungductung | 0:4e245f4bc8ac | 13 | OutputDevice: physical output mode (OUTPUT_DEVICE_SPEAKER, |
phungductung | 0:4e245f4bc8ac | 14 | OUTPUT_DEVICE_HEADPHONE or OUTPUT_DEVICE_BOTH) |
phungductung | 0:4e245f4bc8ac | 15 | Volume : Initial volume to be set (0 is min (mute), 100 is max (100%) |
phungductung | 0:4e245f4bc8ac | 16 | AudioFreq : Audio frequency in Hz (8000, 16000, 22500, 32000...) |
phungductung | 0:4e245f4bc8ac | 17 | this parameter is relative to the audio file/stream type. |
phungductung | 0:4e245f4bc8ac | 18 | ) |
phungductung | 0:4e245f4bc8ac | 19 | This function configures all the hardware required for the audio application (codec, I2C, SAI, |
phungductung | 0:4e245f4bc8ac | 20 | GPIOs, DMA and interrupt if needed). This function returns AUDIO_OK if configuration is OK. |
phungductung | 0:4e245f4bc8ac | 21 | If the returned value is different from AUDIO_OK or the function is stuck then the communication with |
phungductung | 0:4e245f4bc8ac | 22 | the codec or the MFX has failed (try to un-plug the power or reset device in this case). |
phungductung | 0:4e245f4bc8ac | 23 | - OUTPUT_DEVICE_SPEAKER : only speaker will be set as output for the audio stream. |
phungductung | 0:4e245f4bc8ac | 24 | - OUTPUT_DEVICE_HEADPHONE: only headphones will be set as output for the audio stream. |
phungductung | 0:4e245f4bc8ac | 25 | - OUTPUT_DEVICE_BOTH : both Speaker and Headphone are used as outputs for the audio stream |
phungductung | 0:4e245f4bc8ac | 26 | at the same time. |
phungductung | 0:4e245f4bc8ac | 27 | Note. On STM32746G-Discovery SAI_DMA is configured in CIRCULAR mode. Due to this the application |
phungductung | 0:4e245f4bc8ac | 28 | does NOT need to call BSP_AUDIO_OUT_ChangeBuffer() to assure streaming. |
phungductung | 0:4e245f4bc8ac | 29 | + Call the function BSP_DISCOVERY_AUDIO_OUT_Play( |
phungductung | 0:4e245f4bc8ac | 30 | pBuffer: pointer to the audio data file address |
phungductung | 0:4e245f4bc8ac | 31 | Size : size of the buffer to be sent in Bytes |
phungductung | 0:4e245f4bc8ac | 32 | ) |
phungductung | 0:4e245f4bc8ac | 33 | to start playing (for the first time) from the audio file/stream. |
phungductung | 0:4e245f4bc8ac | 34 | + Call the function BSP_AUDIO_OUT_Pause() to pause playing |
phungductung | 0:4e245f4bc8ac | 35 | + Call the function BSP_AUDIO_OUT_Resume() to resume playing. |
phungductung | 0:4e245f4bc8ac | 36 | Note. After calling BSP_AUDIO_OUT_Pause() function for pause, only BSP_AUDIO_OUT_Resume() should be called |
phungductung | 0:4e245f4bc8ac | 37 | for resume (it is not allowed to call BSP_AUDIO_OUT_Play() in this case). |
phungductung | 0:4e245f4bc8ac | 38 | Note. This function should be called only when the audio file is played or paused (not stopped). |
phungductung | 0:4e245f4bc8ac | 39 | + For each mode, you may need to implement the relative callback functions into your code. |
phungductung | 0:4e245f4bc8ac | 40 | The Callback functions are named AUDIO_OUT_XXX_CallBack() and only their prototypes are declared in |
phungductung | 0:4e245f4bc8ac | 41 | the stm32746g_discovery_audio.h file. (refer to the example for more details on the callbacks implementations) |
phungductung | 0:4e245f4bc8ac | 42 | + To Stop playing, to modify the volume level, the frequency, the audio frame slot, |
phungductung | 0:4e245f4bc8ac | 43 | the device output mode the mute or the stop, use the functions: BSP_AUDIO_OUT_SetVolume(), |
phungductung | 0:4e245f4bc8ac | 44 | AUDIO_OUT_SetFrequency(), BSP_AUDIO_OUT_SetAudioFrameSlot(), BSP_AUDIO_OUT_SetOutputMode(), |
phungductung | 0:4e245f4bc8ac | 45 | BSP_AUDIO_OUT_SetMute() and BSP_AUDIO_OUT_Stop(). |
phungductung | 0:4e245f4bc8ac | 46 | + The driver API and the callback functions are at the end of the stm32746g_discovery_audio.h file. |
phungductung | 0:4e245f4bc8ac | 47 | |
phungductung | 0:4e245f4bc8ac | 48 | Driver architecture: |
phungductung | 0:4e245f4bc8ac | 49 | -------------------- |
phungductung | 0:4e245f4bc8ac | 50 | + This driver provides the High Audio Layer: consists of the function API exported in the stm32746g_discovery_audio.h file |
phungductung | 0:4e245f4bc8ac | 51 | (BSP_AUDIO_OUT_Init(), BSP_AUDIO_OUT_Play() ...) |
phungductung | 0:4e245f4bc8ac | 52 | + This driver provide also the Media Access Layer (MAL): which consists of functions allowing to access the media containing/ |
phungductung | 0:4e245f4bc8ac | 53 | providing the audio file/stream. These functions are also included as local functions into |
phungductung | 0:4e245f4bc8ac | 54 | the stm32746g_discovery_audio_codec.c file (SAIx_Out_Init() and SAIx_Out_DeInit(), SAIx_In_Init() and SAIx_In_DeInit()) |
phungductung | 0:4e245f4bc8ac | 55 | |
phungductung | 0:4e245f4bc8ac | 56 | Known Limitations: |
phungductung | 0:4e245f4bc8ac | 57 | ------------------ |
phungductung | 0:4e245f4bc8ac | 58 | 1- If the TDM Format used to play in parallel 2 audio Stream (the first Stream is configured in codec SLOT0 and second |
phungductung | 0:4e245f4bc8ac | 59 | Stream in SLOT1) the Pause/Resume, volume and mute feature will control the both streams. |
phungductung | 0:4e245f4bc8ac | 60 | 2- Parsing of audio file is not implemented (in order to determine audio file properties: Mono/Stereo, Data size, |
phungductung | 0:4e245f4bc8ac | 61 | File size, Audio Frequency, Audio Data header size ...). The configuration is fixed for the given audio file. |
phungductung | 0:4e245f4bc8ac | 62 | 3- Supports only Stereo audio streaming. |
phungductung | 0:4e245f4bc8ac | 63 | 4- Supports only 16-bits audio data size. |
phungductung | 0:4e245f4bc8ac | 64 | @endverbatim |
phungductung | 0:4e245f4bc8ac | 65 | ****************************************************************************** |
phungductung | 0:4e245f4bc8ac | 66 | * @attention |
phungductung | 0:4e245f4bc8ac | 67 | * |
phungductung | 0:4e245f4bc8ac | 68 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
phungductung | 0:4e245f4bc8ac | 69 | * |
phungductung | 0:4e245f4bc8ac | 70 | * Redistribution and use in source and binary forms, with or without modification, |
phungductung | 0:4e245f4bc8ac | 71 | * are permitted provided that the following conditions are met: |
phungductung | 0:4e245f4bc8ac | 72 | * 1. Redistributions of source code must retain the above copyright notice, |
phungductung | 0:4e245f4bc8ac | 73 | * this list of conditions and the following disclaimer. |
phungductung | 0:4e245f4bc8ac | 74 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
phungductung | 0:4e245f4bc8ac | 75 | * this list of conditions and the following disclaimer in the documentation |
phungductung | 0:4e245f4bc8ac | 76 | * and/or other materials provided with the distribution. |
phungductung | 0:4e245f4bc8ac | 77 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
phungductung | 0:4e245f4bc8ac | 78 | * may be used to endorse or promote products derived from this software |
phungductung | 0:4e245f4bc8ac | 79 | * without specific prior written permission. |
phungductung | 0:4e245f4bc8ac | 80 | * |
phungductung | 0:4e245f4bc8ac | 81 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
phungductung | 0:4e245f4bc8ac | 82 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
phungductung | 0:4e245f4bc8ac | 83 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
phungductung | 0:4e245f4bc8ac | 84 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
phungductung | 0:4e245f4bc8ac | 85 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
phungductung | 0:4e245f4bc8ac | 86 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
phungductung | 0:4e245f4bc8ac | 87 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
phungductung | 0:4e245f4bc8ac | 88 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
phungductung | 0:4e245f4bc8ac | 89 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
phungductung | 0:4e245f4bc8ac | 90 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
phungductung | 0:4e245f4bc8ac | 91 | * |
phungductung | 0:4e245f4bc8ac | 92 | ****************************************************************************** |
phungductung | 0:4e245f4bc8ac | 93 | */ |
phungductung | 0:4e245f4bc8ac | 94 | |
phungductung | 0:4e245f4bc8ac | 95 | /* Includes ------------------------------------------------------------------*/ |
phungductung | 0:4e245f4bc8ac | 96 | #include "stm32746g_discovery_audio.h" |
phungductung | 0:4e245f4bc8ac | 97 | |
phungductung | 0:4e245f4bc8ac | 98 | /** @addtogroup BSP |
phungductung | 0:4e245f4bc8ac | 99 | * @{ |
phungductung | 0:4e245f4bc8ac | 100 | */ |
phungductung | 0:4e245f4bc8ac | 101 | |
phungductung | 0:4e245f4bc8ac | 102 | /** @addtogroup STM32746G_DISCOVERY |
phungductung | 0:4e245f4bc8ac | 103 | * @{ |
phungductung | 0:4e245f4bc8ac | 104 | */ |
phungductung | 0:4e245f4bc8ac | 105 | |
phungductung | 0:4e245f4bc8ac | 106 | /** @defgroup STM32746G_DISCOVERY_AUDIO STM32746G_DISCOVERY AUDIO |
phungductung | 0:4e245f4bc8ac | 107 | * @brief This file includes the low layer driver for wm8994 Audio Codec |
phungductung | 0:4e245f4bc8ac | 108 | * available on STM32746G-Discovery board(MB1191). |
phungductung | 0:4e245f4bc8ac | 109 | * @{ |
phungductung | 0:4e245f4bc8ac | 110 | */ |
phungductung | 0:4e245f4bc8ac | 111 | |
phungductung | 0:4e245f4bc8ac | 112 | /** @defgroup STM32746G_DISCOVERY_AUDIO_Private_Types STM32746G_DISCOVERY AUDIO Private Types |
phungductung | 0:4e245f4bc8ac | 113 | * @{ |
phungductung | 0:4e245f4bc8ac | 114 | */ |
phungductung | 0:4e245f4bc8ac | 115 | /** |
phungductung | 0:4e245f4bc8ac | 116 | * @} |
phungductung | 0:4e245f4bc8ac | 117 | */ |
phungductung | 0:4e245f4bc8ac | 118 | |
phungductung | 0:4e245f4bc8ac | 119 | /** @defgroup STM32746G_DISCOVERY_AUDIO_Private_Defines STM32746G_DISCOVERY AUDIO Private Defines |
phungductung | 0:4e245f4bc8ac | 120 | * @{ |
phungductung | 0:4e245f4bc8ac | 121 | */ |
phungductung | 0:4e245f4bc8ac | 122 | /** |
phungductung | 0:4e245f4bc8ac | 123 | * @} |
phungductung | 0:4e245f4bc8ac | 124 | */ |
phungductung | 0:4e245f4bc8ac | 125 | |
phungductung | 0:4e245f4bc8ac | 126 | /** @defgroup STM32746G_DISCOVERY_AUDIO_Private_Macros STM32746G_DISCOVERY AUDIO Private Macros |
phungductung | 0:4e245f4bc8ac | 127 | * @{ |
phungductung | 0:4e245f4bc8ac | 128 | */ |
phungductung | 0:4e245f4bc8ac | 129 | /** |
phungductung | 0:4e245f4bc8ac | 130 | * @} |
phungductung | 0:4e245f4bc8ac | 131 | */ |
phungductung | 0:4e245f4bc8ac | 132 | |
phungductung | 0:4e245f4bc8ac | 133 | /** @defgroup STM32746G_DISCOVERY_AUDIO_Private_Variables STM32746G_DISCOVERY AUDIO Private Variables |
phungductung | 0:4e245f4bc8ac | 134 | * @{ |
phungductung | 0:4e245f4bc8ac | 135 | */ |
phungductung | 0:4e245f4bc8ac | 136 | AUDIO_DrvTypeDef *audio_drv; |
phungductung | 0:4e245f4bc8ac | 137 | SAI_HandleTypeDef haudio_out_sai={0}; |
phungductung | 0:4e245f4bc8ac | 138 | SAI_HandleTypeDef haudio_in_sai={0}; |
phungductung | 0:4e245f4bc8ac | 139 | TIM_HandleTypeDef haudio_tim; |
phungductung | 0:4e245f4bc8ac | 140 | |
phungductung | 0:4e245f4bc8ac | 141 | uint16_t __IO AudioInVolume = DEFAULT_AUDIO_IN_VOLUME; |
phungductung | 0:4e245f4bc8ac | 142 | |
phungductung | 0:4e245f4bc8ac | 143 | /** |
phungductung | 0:4e245f4bc8ac | 144 | * @} |
phungductung | 0:4e245f4bc8ac | 145 | */ |
phungductung | 0:4e245f4bc8ac | 146 | |
phungductung | 0:4e245f4bc8ac | 147 | /** @defgroup STM32746G_DISCOVERY_AUDIO_Private_Function_Prototypes STM32746G_DISCOVERY AUDIO Private Function Prototypes |
phungductung | 0:4e245f4bc8ac | 148 | * @{ |
phungductung | 0:4e245f4bc8ac | 149 | */ |
phungductung | 0:4e245f4bc8ac | 150 | static void AUDIO_IN_INT_IRQHandler(void); // MBED |
phungductung | 0:4e245f4bc8ac | 151 | static void AUDIO_IN_SAIx_DMAx_IRQHandler(void); // MBED |
phungductung | 0:4e245f4bc8ac | 152 | static void AUDIO_OUT_SAIx_DMAx_IRQHandler(void); // MBED |
phungductung | 0:4e245f4bc8ac | 153 | static void SAIx_Out_Init(uint32_t AudioFreq); |
phungductung | 0:4e245f4bc8ac | 154 | static void SAIx_Out_DeInit(void); |
phungductung | 0:4e245f4bc8ac | 155 | static void SAIx_In_Init(uint32_t SaiOutMode, uint32_t SlotActive, uint32_t AudioFreq); |
phungductung | 0:4e245f4bc8ac | 156 | static void SAIx_In_DeInit(void); |
phungductung | 0:4e245f4bc8ac | 157 | /** |
phungductung | 0:4e245f4bc8ac | 158 | * @} |
phungductung | 0:4e245f4bc8ac | 159 | */ |
phungductung | 0:4e245f4bc8ac | 160 | |
phungductung | 0:4e245f4bc8ac | 161 | /** @defgroup STM32746G_DISCOVERY_AUDIO_OUT_Exported_Functions STM32746G_DISCOVERY AUDIO Out Exported Functions |
phungductung | 0:4e245f4bc8ac | 162 | * @{ |
phungductung | 0:4e245f4bc8ac | 163 | */ |
phungductung | 0:4e245f4bc8ac | 164 | |
phungductung | 0:4e245f4bc8ac | 165 | /** |
phungductung | 0:4e245f4bc8ac | 166 | * @brief Configures the audio peripherals. |
phungductung | 0:4e245f4bc8ac | 167 | * @param OutputDevice: OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE, |
phungductung | 0:4e245f4bc8ac | 168 | * or OUTPUT_DEVICE_BOTH. |
phungductung | 0:4e245f4bc8ac | 169 | * @param Volume: Initial volume level (from 0 (Mute) to 100 (Max)) |
phungductung | 0:4e245f4bc8ac | 170 | * @param AudioFreq: Audio frequency used to play the audio stream. |
phungductung | 0:4e245f4bc8ac | 171 | * @note The I2S PLL input clock must be done in the user application. |
phungductung | 0:4e245f4bc8ac | 172 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 173 | */ |
phungductung | 0:4e245f4bc8ac | 174 | uint8_t BSP_AUDIO_OUT_Init(uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq) |
phungductung | 0:4e245f4bc8ac | 175 | { |
phungductung | 0:4e245f4bc8ac | 176 | uint8_t ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 177 | uint32_t deviceid = 0x00; |
phungductung | 0:4e245f4bc8ac | 178 | |
phungductung | 0:4e245f4bc8ac | 179 | /* Disable SAI */ |
phungductung | 0:4e245f4bc8ac | 180 | SAIx_Out_DeInit(); |
phungductung | 0:4e245f4bc8ac | 181 | |
phungductung | 0:4e245f4bc8ac | 182 | /* PLL clock is set depending on the AudioFreq (44.1khz vs 48khz groups) */ |
phungductung | 0:4e245f4bc8ac | 183 | BSP_AUDIO_OUT_ClockConfig(&haudio_out_sai, AudioFreq, NULL); |
phungductung | 0:4e245f4bc8ac | 184 | |
phungductung | 0:4e245f4bc8ac | 185 | /* SAI data transfer preparation: |
phungductung | 0:4e245f4bc8ac | 186 | Prepare the Media to be used for the audio transfer from memory to SAI peripheral */ |
phungductung | 0:4e245f4bc8ac | 187 | haudio_out_sai.Instance = AUDIO_OUT_SAIx; |
phungductung | 0:4e245f4bc8ac | 188 | if(HAL_SAI_GetState(&haudio_out_sai) == HAL_SAI_STATE_RESET) |
phungductung | 0:4e245f4bc8ac | 189 | { |
phungductung | 0:4e245f4bc8ac | 190 | /* Init the SAI MSP: this __weak function can be redefined by the application*/ |
phungductung | 0:4e245f4bc8ac | 191 | BSP_AUDIO_OUT_MspInit(&haudio_out_sai, NULL); |
phungductung | 0:4e245f4bc8ac | 192 | } |
phungductung | 0:4e245f4bc8ac | 193 | SAIx_Out_Init(AudioFreq); |
phungductung | 0:4e245f4bc8ac | 194 | |
phungductung | 0:4e245f4bc8ac | 195 | /* wm8994 codec initialization */ |
phungductung | 0:4e245f4bc8ac | 196 | deviceid = wm8994_drv.ReadID(AUDIO_I2C_ADDRESS); |
phungductung | 0:4e245f4bc8ac | 197 | |
phungductung | 0:4e245f4bc8ac | 198 | if((deviceid) == WM8994_ID) |
phungductung | 0:4e245f4bc8ac | 199 | { |
phungductung | 0:4e245f4bc8ac | 200 | /* Reset the Codec Registers */ |
phungductung | 0:4e245f4bc8ac | 201 | wm8994_drv.Reset(AUDIO_I2C_ADDRESS); |
phungductung | 0:4e245f4bc8ac | 202 | /* Initialize the audio driver structure */ |
phungductung | 0:4e245f4bc8ac | 203 | audio_drv = &wm8994_drv; |
phungductung | 0:4e245f4bc8ac | 204 | ret = AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 205 | } |
phungductung | 0:4e245f4bc8ac | 206 | else |
phungductung | 0:4e245f4bc8ac | 207 | { |
phungductung | 0:4e245f4bc8ac | 208 | ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 209 | } |
phungductung | 0:4e245f4bc8ac | 210 | |
phungductung | 0:4e245f4bc8ac | 211 | if(ret == AUDIO_OK) |
phungductung | 0:4e245f4bc8ac | 212 | { |
phungductung | 0:4e245f4bc8ac | 213 | /* Initialize the codec internal registers */ |
phungductung | 0:4e245f4bc8ac | 214 | audio_drv->Init(AUDIO_I2C_ADDRESS, OutputDevice, Volume, AudioFreq); |
phungductung | 0:4e245f4bc8ac | 215 | } |
phungductung | 0:4e245f4bc8ac | 216 | |
phungductung | 0:4e245f4bc8ac | 217 | return ret; |
phungductung | 0:4e245f4bc8ac | 218 | } |
phungductung | 0:4e245f4bc8ac | 219 | |
phungductung | 0:4e245f4bc8ac | 220 | /** |
phungductung | 0:4e245f4bc8ac | 221 | * @brief Starts playing audio stream from a data buffer for a determined size. |
phungductung | 0:4e245f4bc8ac | 222 | * @param pBuffer: Pointer to the buffer |
phungductung | 0:4e245f4bc8ac | 223 | * @param Size: Number of audio data in BYTES unit. |
phungductung | 0:4e245f4bc8ac | 224 | * In memory, first element is for left channel, second element is for right channel |
phungductung | 0:4e245f4bc8ac | 225 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 226 | */ |
phungductung | 0:4e245f4bc8ac | 227 | uint8_t BSP_AUDIO_OUT_Play(uint16_t* pBuffer, uint32_t Size) |
phungductung | 0:4e245f4bc8ac | 228 | { |
phungductung | 0:4e245f4bc8ac | 229 | /* Call the audio Codec Play function */ |
phungductung | 0:4e245f4bc8ac | 230 | if(audio_drv->Play(AUDIO_I2C_ADDRESS, pBuffer, Size) != 0) |
phungductung | 0:4e245f4bc8ac | 231 | { |
phungductung | 0:4e245f4bc8ac | 232 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 233 | } |
phungductung | 0:4e245f4bc8ac | 234 | else |
phungductung | 0:4e245f4bc8ac | 235 | { |
phungductung | 0:4e245f4bc8ac | 236 | /* Update the Media layer and enable it for play */ |
phungductung | 0:4e245f4bc8ac | 237 | HAL_SAI_Transmit_DMA(&haudio_out_sai, (uint8_t*) pBuffer, DMA_MAX(Size / AUDIODATA_SIZE)); |
phungductung | 0:4e245f4bc8ac | 238 | |
phungductung | 0:4e245f4bc8ac | 239 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 240 | } |
phungductung | 0:4e245f4bc8ac | 241 | } |
phungductung | 0:4e245f4bc8ac | 242 | |
phungductung | 0:4e245f4bc8ac | 243 | /** |
phungductung | 0:4e245f4bc8ac | 244 | * @brief Sends n-Bytes on the SAI interface. |
phungductung | 0:4e245f4bc8ac | 245 | * @param pData: pointer on data address |
phungductung | 0:4e245f4bc8ac | 246 | * @param Size: number of data to be written |
phungductung | 0:4e245f4bc8ac | 247 | * @retval None |
phungductung | 0:4e245f4bc8ac | 248 | */ |
phungductung | 0:4e245f4bc8ac | 249 | void BSP_AUDIO_OUT_ChangeBuffer(uint16_t *pData, uint16_t Size) |
phungductung | 0:4e245f4bc8ac | 250 | { |
phungductung | 0:4e245f4bc8ac | 251 | HAL_SAI_Transmit_DMA(&haudio_out_sai, (uint8_t*) pData, Size); |
phungductung | 0:4e245f4bc8ac | 252 | } |
phungductung | 0:4e245f4bc8ac | 253 | |
phungductung | 0:4e245f4bc8ac | 254 | /** |
phungductung | 0:4e245f4bc8ac | 255 | * @brief This function Pauses the audio file stream. In case |
phungductung | 0:4e245f4bc8ac | 256 | * of using DMA, the DMA Pause feature is used. |
phungductung | 0:4e245f4bc8ac | 257 | * @note When calling BSP_AUDIO_OUT_Pause() function for pause, only |
phungductung | 0:4e245f4bc8ac | 258 | * BSP_AUDIO_OUT_Resume() function should be called for resume (use of BSP_AUDIO_OUT_Play() |
phungductung | 0:4e245f4bc8ac | 259 | * function for resume could lead to unexpected behaviour). |
phungductung | 0:4e245f4bc8ac | 260 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 261 | */ |
phungductung | 0:4e245f4bc8ac | 262 | uint8_t BSP_AUDIO_OUT_Pause(void) |
phungductung | 0:4e245f4bc8ac | 263 | { |
phungductung | 0:4e245f4bc8ac | 264 | /* Call the Audio Codec Pause/Resume function */ |
phungductung | 0:4e245f4bc8ac | 265 | if(audio_drv->Pause(AUDIO_I2C_ADDRESS) != 0) |
phungductung | 0:4e245f4bc8ac | 266 | { |
phungductung | 0:4e245f4bc8ac | 267 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 268 | } |
phungductung | 0:4e245f4bc8ac | 269 | else |
phungductung | 0:4e245f4bc8ac | 270 | { |
phungductung | 0:4e245f4bc8ac | 271 | /* Call the Media layer pause function */ |
phungductung | 0:4e245f4bc8ac | 272 | HAL_SAI_DMAPause(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 273 | |
phungductung | 0:4e245f4bc8ac | 274 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 275 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 276 | } |
phungductung | 0:4e245f4bc8ac | 277 | } |
phungductung | 0:4e245f4bc8ac | 278 | |
phungductung | 0:4e245f4bc8ac | 279 | /** |
phungductung | 0:4e245f4bc8ac | 280 | * @brief This function Resumes the audio file stream. |
phungductung | 0:4e245f4bc8ac | 281 | * @note When calling BSP_AUDIO_OUT_Pause() function for pause, only |
phungductung | 0:4e245f4bc8ac | 282 | * BSP_AUDIO_OUT_Resume() function should be called for resume (use of BSP_AUDIO_OUT_Play() |
phungductung | 0:4e245f4bc8ac | 283 | * function for resume could lead to unexpected behaviour). |
phungductung | 0:4e245f4bc8ac | 284 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 285 | */ |
phungductung | 0:4e245f4bc8ac | 286 | uint8_t BSP_AUDIO_OUT_Resume(void) |
phungductung | 0:4e245f4bc8ac | 287 | { |
phungductung | 0:4e245f4bc8ac | 288 | /* Call the Audio Codec Pause/Resume function */ |
phungductung | 0:4e245f4bc8ac | 289 | if(audio_drv->Resume(AUDIO_I2C_ADDRESS) != 0) |
phungductung | 0:4e245f4bc8ac | 290 | { |
phungductung | 0:4e245f4bc8ac | 291 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 292 | } |
phungductung | 0:4e245f4bc8ac | 293 | else |
phungductung | 0:4e245f4bc8ac | 294 | { |
phungductung | 0:4e245f4bc8ac | 295 | /* Call the Media layer pause/resume function */ |
phungductung | 0:4e245f4bc8ac | 296 | HAL_SAI_DMAResume(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 297 | |
phungductung | 0:4e245f4bc8ac | 298 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 299 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 300 | } |
phungductung | 0:4e245f4bc8ac | 301 | } |
phungductung | 0:4e245f4bc8ac | 302 | |
phungductung | 0:4e245f4bc8ac | 303 | /** |
phungductung | 0:4e245f4bc8ac | 304 | * @brief Stops audio playing and Power down the Audio Codec. |
phungductung | 0:4e245f4bc8ac | 305 | * @param Option: could be one of the following parameters |
phungductung | 0:4e245f4bc8ac | 306 | * - CODEC_PDWN_SW: for software power off (by writing registers). |
phungductung | 0:4e245f4bc8ac | 307 | * Then no need to reconfigure the Codec after power on. |
phungductung | 0:4e245f4bc8ac | 308 | * - CODEC_PDWN_HW: completely shut down the codec (physically). |
phungductung | 0:4e245f4bc8ac | 309 | * Then need to reconfigure the Codec after power on. |
phungductung | 0:4e245f4bc8ac | 310 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 311 | */ |
phungductung | 0:4e245f4bc8ac | 312 | uint8_t BSP_AUDIO_OUT_Stop(uint32_t Option) |
phungductung | 0:4e245f4bc8ac | 313 | { |
phungductung | 0:4e245f4bc8ac | 314 | /* Call the Media layer stop function */ |
phungductung | 0:4e245f4bc8ac | 315 | HAL_SAI_DMAStop(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 316 | |
phungductung | 0:4e245f4bc8ac | 317 | /* Call Audio Codec Stop function */ |
phungductung | 0:4e245f4bc8ac | 318 | if(audio_drv->Stop(AUDIO_I2C_ADDRESS, Option) != 0) |
phungductung | 0:4e245f4bc8ac | 319 | { |
phungductung | 0:4e245f4bc8ac | 320 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 321 | } |
phungductung | 0:4e245f4bc8ac | 322 | else |
phungductung | 0:4e245f4bc8ac | 323 | { |
phungductung | 0:4e245f4bc8ac | 324 | if(Option == CODEC_PDWN_HW) |
phungductung | 0:4e245f4bc8ac | 325 | { |
phungductung | 0:4e245f4bc8ac | 326 | /* Wait at least 100us */ |
phungductung | 0:4e245f4bc8ac | 327 | HAL_Delay(1); |
phungductung | 0:4e245f4bc8ac | 328 | } |
phungductung | 0:4e245f4bc8ac | 329 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 330 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 331 | } |
phungductung | 0:4e245f4bc8ac | 332 | } |
phungductung | 0:4e245f4bc8ac | 333 | |
phungductung | 0:4e245f4bc8ac | 334 | /** |
phungductung | 0:4e245f4bc8ac | 335 | * @brief Controls the current audio volume level. |
phungductung | 0:4e245f4bc8ac | 336 | * @param Volume: Volume level to be set in percentage from 0% to 100% (0 for |
phungductung | 0:4e245f4bc8ac | 337 | * Mute and 100 for Max volume level). |
phungductung | 0:4e245f4bc8ac | 338 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 339 | */ |
phungductung | 0:4e245f4bc8ac | 340 | uint8_t BSP_AUDIO_OUT_SetVolume(uint8_t Volume) |
phungductung | 0:4e245f4bc8ac | 341 | { |
phungductung | 0:4e245f4bc8ac | 342 | /* Call the codec volume control function with converted volume value */ |
phungductung | 0:4e245f4bc8ac | 343 | if(audio_drv->SetVolume(AUDIO_I2C_ADDRESS, Volume) != 0) |
phungductung | 0:4e245f4bc8ac | 344 | { |
phungductung | 0:4e245f4bc8ac | 345 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 346 | } |
phungductung | 0:4e245f4bc8ac | 347 | else |
phungductung | 0:4e245f4bc8ac | 348 | { |
phungductung | 0:4e245f4bc8ac | 349 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 350 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 351 | } |
phungductung | 0:4e245f4bc8ac | 352 | } |
phungductung | 0:4e245f4bc8ac | 353 | |
phungductung | 0:4e245f4bc8ac | 354 | /** |
phungductung | 0:4e245f4bc8ac | 355 | * @brief Enables or disables the MUTE mode by software |
phungductung | 0:4e245f4bc8ac | 356 | * @param Cmd: Could be AUDIO_MUTE_ON to mute sound or AUDIO_MUTE_OFF to |
phungductung | 0:4e245f4bc8ac | 357 | * unmute the codec and restore previous volume level. |
phungductung | 0:4e245f4bc8ac | 358 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 359 | */ |
phungductung | 0:4e245f4bc8ac | 360 | uint8_t BSP_AUDIO_OUT_SetMute(uint32_t Cmd) |
phungductung | 0:4e245f4bc8ac | 361 | { |
phungductung | 0:4e245f4bc8ac | 362 | /* Call the Codec Mute function */ |
phungductung | 0:4e245f4bc8ac | 363 | if(audio_drv->SetMute(AUDIO_I2C_ADDRESS, Cmd) != 0) |
phungductung | 0:4e245f4bc8ac | 364 | { |
phungductung | 0:4e245f4bc8ac | 365 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 366 | } |
phungductung | 0:4e245f4bc8ac | 367 | else |
phungductung | 0:4e245f4bc8ac | 368 | { |
phungductung | 0:4e245f4bc8ac | 369 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 370 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 371 | } |
phungductung | 0:4e245f4bc8ac | 372 | } |
phungductung | 0:4e245f4bc8ac | 373 | |
phungductung | 0:4e245f4bc8ac | 374 | /** |
phungductung | 0:4e245f4bc8ac | 375 | * @brief Switch dynamically (while audio file is played) the output target |
phungductung | 0:4e245f4bc8ac | 376 | * (speaker or headphone). |
phungductung | 0:4e245f4bc8ac | 377 | * @param Output: The audio output target: OUTPUT_DEVICE_SPEAKER, |
phungductung | 0:4e245f4bc8ac | 378 | * OUTPUT_DEVICE_HEADPHONE or OUTPUT_DEVICE_BOTH |
phungductung | 0:4e245f4bc8ac | 379 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 380 | */ |
phungductung | 0:4e245f4bc8ac | 381 | uint8_t BSP_AUDIO_OUT_SetOutputMode(uint8_t Output) |
phungductung | 0:4e245f4bc8ac | 382 | { |
phungductung | 0:4e245f4bc8ac | 383 | /* Call the Codec output device function */ |
phungductung | 0:4e245f4bc8ac | 384 | if(audio_drv->SetOutputMode(AUDIO_I2C_ADDRESS, Output) != 0) |
phungductung | 0:4e245f4bc8ac | 385 | { |
phungductung | 0:4e245f4bc8ac | 386 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 387 | } |
phungductung | 0:4e245f4bc8ac | 388 | else |
phungductung | 0:4e245f4bc8ac | 389 | { |
phungductung | 0:4e245f4bc8ac | 390 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 391 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 392 | } |
phungductung | 0:4e245f4bc8ac | 393 | } |
phungductung | 0:4e245f4bc8ac | 394 | |
phungductung | 0:4e245f4bc8ac | 395 | /** |
phungductung | 0:4e245f4bc8ac | 396 | * @brief Updates the audio frequency. |
phungductung | 0:4e245f4bc8ac | 397 | * @param AudioFreq: Audio frequency used to play the audio stream. |
phungductung | 0:4e245f4bc8ac | 398 | * @note This API should be called after the BSP_AUDIO_OUT_Init() to adjust the |
phungductung | 0:4e245f4bc8ac | 399 | * audio frequency. |
phungductung | 0:4e245f4bc8ac | 400 | * @retval None |
phungductung | 0:4e245f4bc8ac | 401 | */ |
phungductung | 0:4e245f4bc8ac | 402 | void BSP_AUDIO_OUT_SetFrequency(uint32_t AudioFreq) |
phungductung | 0:4e245f4bc8ac | 403 | { |
phungductung | 0:4e245f4bc8ac | 404 | /* PLL clock is set depending by the AudioFreq (44.1khz vs 48khz groups) */ |
phungductung | 0:4e245f4bc8ac | 405 | BSP_AUDIO_OUT_ClockConfig(&haudio_out_sai, AudioFreq, NULL); |
phungductung | 0:4e245f4bc8ac | 406 | |
phungductung | 0:4e245f4bc8ac | 407 | /* Disable SAI peripheral to allow access to SAI internal registers */ |
phungductung | 0:4e245f4bc8ac | 408 | __HAL_SAI_DISABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 409 | |
phungductung | 0:4e245f4bc8ac | 410 | /* Update the SAI audio frequency configuration */ |
phungductung | 0:4e245f4bc8ac | 411 | haudio_out_sai.Init.AudioFrequency = AudioFreq; |
phungductung | 0:4e245f4bc8ac | 412 | HAL_SAI_Init(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 413 | |
phungductung | 0:4e245f4bc8ac | 414 | /* Enable SAI peripheral to generate MCLK */ |
phungductung | 0:4e245f4bc8ac | 415 | __HAL_SAI_ENABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 416 | } |
phungductung | 0:4e245f4bc8ac | 417 | |
phungductung | 0:4e245f4bc8ac | 418 | /** |
phungductung | 0:4e245f4bc8ac | 419 | * @brief Updates the Audio frame slot configuration. |
phungductung | 0:4e245f4bc8ac | 420 | * @param AudioFrameSlot: specifies the audio Frame slot |
phungductung | 0:4e245f4bc8ac | 421 | * This parameter can be one of the following values |
phungductung | 0:4e245f4bc8ac | 422 | * @arg CODEC_AUDIOFRAME_SLOT_0123 |
phungductung | 0:4e245f4bc8ac | 423 | * @arg CODEC_AUDIOFRAME_SLOT_02 |
phungductung | 0:4e245f4bc8ac | 424 | * @arg CODEC_AUDIOFRAME_SLOT_13 |
phungductung | 0:4e245f4bc8ac | 425 | * @note This API should be called after the BSP_AUDIO_OUT_Init() to adjust the |
phungductung | 0:4e245f4bc8ac | 426 | * audio frame slot. |
phungductung | 0:4e245f4bc8ac | 427 | * @retval None |
phungductung | 0:4e245f4bc8ac | 428 | */ |
phungductung | 0:4e245f4bc8ac | 429 | void BSP_AUDIO_OUT_SetAudioFrameSlot(uint32_t AudioFrameSlot) |
phungductung | 0:4e245f4bc8ac | 430 | { |
phungductung | 0:4e245f4bc8ac | 431 | /* Disable SAI peripheral to allow access to SAI internal registers */ |
phungductung | 0:4e245f4bc8ac | 432 | __HAL_SAI_DISABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 433 | |
phungductung | 0:4e245f4bc8ac | 434 | /* Update the SAI audio frame slot configuration */ |
phungductung | 0:4e245f4bc8ac | 435 | haudio_out_sai.SlotInit.SlotActive = AudioFrameSlot; |
phungductung | 0:4e245f4bc8ac | 436 | HAL_SAI_Init(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 437 | |
phungductung | 0:4e245f4bc8ac | 438 | /* Enable SAI peripheral to generate MCLK */ |
phungductung | 0:4e245f4bc8ac | 439 | __HAL_SAI_ENABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 440 | } |
phungductung | 0:4e245f4bc8ac | 441 | |
phungductung | 0:4e245f4bc8ac | 442 | /** |
phungductung | 0:4e245f4bc8ac | 443 | * @brief Deinit the audio peripherals. |
phungductung | 0:4e245f4bc8ac | 444 | * @retval None |
phungductung | 0:4e245f4bc8ac | 445 | */ |
phungductung | 0:4e245f4bc8ac | 446 | void BSP_AUDIO_OUT_DeInit(void) |
phungductung | 0:4e245f4bc8ac | 447 | { |
phungductung | 0:4e245f4bc8ac | 448 | SAIx_Out_DeInit(); |
phungductung | 0:4e245f4bc8ac | 449 | /* DeInit the SAI MSP : this __weak function can be rewritten by the application */ |
phungductung | 0:4e245f4bc8ac | 450 | BSP_AUDIO_OUT_MspDeInit(&haudio_out_sai, NULL); |
phungductung | 0:4e245f4bc8ac | 451 | } |
phungductung | 0:4e245f4bc8ac | 452 | |
phungductung | 0:4e245f4bc8ac | 453 | /** |
phungductung | 0:4e245f4bc8ac | 454 | * @brief Tx Transfer completed callbacks. |
phungductung | 0:4e245f4bc8ac | 455 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 456 | * @retval None |
phungductung | 0:4e245f4bc8ac | 457 | */ |
phungductung | 0:4e245f4bc8ac | 458 | void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai) |
phungductung | 0:4e245f4bc8ac | 459 | { |
phungductung | 0:4e245f4bc8ac | 460 | /* Manage the remaining file size and new address offset: This function |
phungductung | 0:4e245f4bc8ac | 461 | should be coded by user (its prototype is already declared in stm32746g_discovery_audio.h) */ |
phungductung | 0:4e245f4bc8ac | 462 | BSP_AUDIO_OUT_TransferComplete_CallBack(); |
phungductung | 0:4e245f4bc8ac | 463 | } |
phungductung | 0:4e245f4bc8ac | 464 | |
phungductung | 0:4e245f4bc8ac | 465 | /** |
phungductung | 0:4e245f4bc8ac | 466 | * @brief Tx Half Transfer completed callbacks. |
phungductung | 0:4e245f4bc8ac | 467 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 468 | * @retval None |
phungductung | 0:4e245f4bc8ac | 469 | */ |
phungductung | 0:4e245f4bc8ac | 470 | void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai) |
phungductung | 0:4e245f4bc8ac | 471 | { |
phungductung | 0:4e245f4bc8ac | 472 | /* Manage the remaining file size and new address offset: This function |
phungductung | 0:4e245f4bc8ac | 473 | should be coded by user (its prototype is already declared in stm32746g_discovery_audio.h) */ |
phungductung | 0:4e245f4bc8ac | 474 | BSP_AUDIO_OUT_HalfTransfer_CallBack(); |
phungductung | 0:4e245f4bc8ac | 475 | } |
phungductung | 0:4e245f4bc8ac | 476 | |
phungductung | 0:4e245f4bc8ac | 477 | /** |
phungductung | 0:4e245f4bc8ac | 478 | * @brief SAI error callbacks. |
phungductung | 0:4e245f4bc8ac | 479 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 480 | * @retval None |
phungductung | 0:4e245f4bc8ac | 481 | */ |
phungductung | 0:4e245f4bc8ac | 482 | void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai) |
phungductung | 0:4e245f4bc8ac | 483 | { |
phungductung | 0:4e245f4bc8ac | 484 | HAL_SAI_StateTypeDef audio_out_state; |
phungductung | 0:4e245f4bc8ac | 485 | HAL_SAI_StateTypeDef audio_in_state; |
phungductung | 0:4e245f4bc8ac | 486 | |
phungductung | 0:4e245f4bc8ac | 487 | audio_out_state = HAL_SAI_GetState(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 488 | audio_in_state = HAL_SAI_GetState(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 489 | |
phungductung | 0:4e245f4bc8ac | 490 | /* Determines if it is an audio out or audio in error */ |
phungductung | 0:4e245f4bc8ac | 491 | if ((audio_out_state == HAL_SAI_STATE_BUSY) || (audio_out_state == HAL_SAI_STATE_BUSY_TX)) |
phungductung | 0:4e245f4bc8ac | 492 | // || (audio_out_state == HAL_SAI_STATE_TIMEOUT) || (audio_out_state == HAL_SAI_STATE_ERROR)) // Removed in STM32746G-Discovery BSP Driver V1.1.1 |
phungductung | 0:4e245f4bc8ac | 493 | { |
phungductung | 0:4e245f4bc8ac | 494 | BSP_AUDIO_OUT_Error_CallBack(); |
phungductung | 0:4e245f4bc8ac | 495 | } |
phungductung | 0:4e245f4bc8ac | 496 | |
phungductung | 0:4e245f4bc8ac | 497 | if ((audio_in_state == HAL_SAI_STATE_BUSY) || (audio_in_state == HAL_SAI_STATE_BUSY_RX)) |
phungductung | 0:4e245f4bc8ac | 498 | // || (audio_in_state == HAL_SAI_STATE_TIMEOUT) || (audio_in_state == HAL_SAI_STATE_ERROR)) // Removed in STM32746G-Discovery BSP Driver V1.1.1 |
phungductung | 0:4e245f4bc8ac | 499 | { |
phungductung | 0:4e245f4bc8ac | 500 | BSP_AUDIO_IN_Error_CallBack(); |
phungductung | 0:4e245f4bc8ac | 501 | } |
phungductung | 0:4e245f4bc8ac | 502 | } |
phungductung | 0:4e245f4bc8ac | 503 | |
phungductung | 0:4e245f4bc8ac | 504 | /** |
phungductung | 0:4e245f4bc8ac | 505 | * @brief Manages the DMA full Transfer complete event. |
phungductung | 0:4e245f4bc8ac | 506 | * @retval None |
phungductung | 0:4e245f4bc8ac | 507 | */ |
phungductung | 0:4e245f4bc8ac | 508 | __weak void BSP_AUDIO_OUT_TransferComplete_CallBack(void) |
phungductung | 0:4e245f4bc8ac | 509 | { |
phungductung | 0:4e245f4bc8ac | 510 | } |
phungductung | 0:4e245f4bc8ac | 511 | |
phungductung | 0:4e245f4bc8ac | 512 | /** |
phungductung | 0:4e245f4bc8ac | 513 | * @brief Manages the DMA Half Transfer complete event. |
phungductung | 0:4e245f4bc8ac | 514 | * @retval None |
phungductung | 0:4e245f4bc8ac | 515 | */ |
phungductung | 0:4e245f4bc8ac | 516 | __weak void BSP_AUDIO_OUT_HalfTransfer_CallBack(void) |
phungductung | 0:4e245f4bc8ac | 517 | { |
phungductung | 0:4e245f4bc8ac | 518 | } |
phungductung | 0:4e245f4bc8ac | 519 | |
phungductung | 0:4e245f4bc8ac | 520 | /** |
phungductung | 0:4e245f4bc8ac | 521 | * @brief Manages the DMA FIFO error event. |
phungductung | 0:4e245f4bc8ac | 522 | * @retval None |
phungductung | 0:4e245f4bc8ac | 523 | */ |
phungductung | 0:4e245f4bc8ac | 524 | __weak void BSP_AUDIO_OUT_Error_CallBack(void) |
phungductung | 0:4e245f4bc8ac | 525 | { |
phungductung | 0:4e245f4bc8ac | 526 | } |
phungductung | 0:4e245f4bc8ac | 527 | |
phungductung | 0:4e245f4bc8ac | 528 | /** |
phungductung | 0:4e245f4bc8ac | 529 | * @brief Initializes BSP_AUDIO_OUT MSP. |
phungductung | 0:4e245f4bc8ac | 530 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 531 | * @param Params |
phungductung | 0:4e245f4bc8ac | 532 | * @retval None |
phungductung | 0:4e245f4bc8ac | 533 | */ |
phungductung | 0:4e245f4bc8ac | 534 | __weak void BSP_AUDIO_OUT_MspInit(SAI_HandleTypeDef *hsai, void *Params) |
phungductung | 0:4e245f4bc8ac | 535 | { |
phungductung | 0:4e245f4bc8ac | 536 | static DMA_HandleTypeDef hdma_sai_tx; |
phungductung | 0:4e245f4bc8ac | 537 | GPIO_InitTypeDef gpio_init_structure; |
phungductung | 0:4e245f4bc8ac | 538 | |
phungductung | 0:4e245f4bc8ac | 539 | /* Enable SAI clock */ |
phungductung | 0:4e245f4bc8ac | 540 | AUDIO_OUT_SAIx_CLK_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 541 | |
phungductung | 0:4e245f4bc8ac | 542 | /* Enable GPIO clock */ |
phungductung | 0:4e245f4bc8ac | 543 | AUDIO_OUT_SAIx_MCLK_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 544 | AUDIO_OUT_SAIx_SCK_SD_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 545 | AUDIO_OUT_SAIx_FS_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 546 | /* CODEC_SAI pins configuration: FS, SCK, MCK and SD pins ------------------*/ |
phungductung | 0:4e245f4bc8ac | 547 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_FS_PIN; |
phungductung | 0:4e245f4bc8ac | 548 | gpio_init_structure.Mode = GPIO_MODE_AF_PP; |
phungductung | 0:4e245f4bc8ac | 549 | gpio_init_structure.Pull = GPIO_NOPULL; |
phungductung | 0:4e245f4bc8ac | 550 | gpio_init_structure.Speed = GPIO_SPEED_HIGH; |
phungductung | 0:4e245f4bc8ac | 551 | gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF; |
phungductung | 0:4e245f4bc8ac | 552 | HAL_GPIO_Init(AUDIO_OUT_SAIx_FS_GPIO_PORT, &gpio_init_structure); |
phungductung | 0:4e245f4bc8ac | 553 | |
phungductung | 0:4e245f4bc8ac | 554 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_SCK_PIN; |
phungductung | 0:4e245f4bc8ac | 555 | gpio_init_structure.Mode = GPIO_MODE_AF_PP; |
phungductung | 0:4e245f4bc8ac | 556 | gpio_init_structure.Pull = GPIO_NOPULL; |
phungductung | 0:4e245f4bc8ac | 557 | gpio_init_structure.Speed = GPIO_SPEED_HIGH; |
phungductung | 0:4e245f4bc8ac | 558 | gpio_init_structure.Alternate = AUDIO_OUT_SAIx_SCK_AF; |
phungductung | 0:4e245f4bc8ac | 559 | HAL_GPIO_Init(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, &gpio_init_structure); |
phungductung | 0:4e245f4bc8ac | 560 | |
phungductung | 0:4e245f4bc8ac | 561 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_SD_PIN; |
phungductung | 0:4e245f4bc8ac | 562 | gpio_init_structure.Mode = GPIO_MODE_AF_PP; |
phungductung | 0:4e245f4bc8ac | 563 | gpio_init_structure.Pull = GPIO_NOPULL; |
phungductung | 0:4e245f4bc8ac | 564 | gpio_init_structure.Speed = GPIO_SPEED_HIGH; |
phungductung | 0:4e245f4bc8ac | 565 | gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF; |
phungductung | 0:4e245f4bc8ac | 566 | HAL_GPIO_Init(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, &gpio_init_structure); |
phungductung | 0:4e245f4bc8ac | 567 | |
phungductung | 0:4e245f4bc8ac | 568 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_MCLK_PIN; |
phungductung | 0:4e245f4bc8ac | 569 | gpio_init_structure.Mode = GPIO_MODE_AF_PP; |
phungductung | 0:4e245f4bc8ac | 570 | gpio_init_structure.Pull = GPIO_NOPULL; |
phungductung | 0:4e245f4bc8ac | 571 | gpio_init_structure.Speed = GPIO_SPEED_HIGH; |
phungductung | 0:4e245f4bc8ac | 572 | gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF; |
phungductung | 0:4e245f4bc8ac | 573 | HAL_GPIO_Init(AUDIO_OUT_SAIx_MCLK_GPIO_PORT, &gpio_init_structure); |
phungductung | 0:4e245f4bc8ac | 574 | |
phungductung | 0:4e245f4bc8ac | 575 | /* Enable the DMA clock */ |
phungductung | 0:4e245f4bc8ac | 576 | AUDIO_OUT_SAIx_DMAx_CLK_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 577 | |
phungductung | 0:4e245f4bc8ac | 578 | if(hsai->Instance == AUDIO_OUT_SAIx) |
phungductung | 0:4e245f4bc8ac | 579 | { |
phungductung | 0:4e245f4bc8ac | 580 | /* Configure the hdma_saiTx handle parameters */ |
phungductung | 0:4e245f4bc8ac | 581 | hdma_sai_tx.Init.Channel = AUDIO_OUT_SAIx_DMAx_CHANNEL; |
phungductung | 0:4e245f4bc8ac | 582 | hdma_sai_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; |
phungductung | 0:4e245f4bc8ac | 583 | hdma_sai_tx.Init.PeriphInc = DMA_PINC_DISABLE; |
phungductung | 0:4e245f4bc8ac | 584 | hdma_sai_tx.Init.MemInc = DMA_MINC_ENABLE; |
phungductung | 0:4e245f4bc8ac | 585 | hdma_sai_tx.Init.PeriphDataAlignment = AUDIO_OUT_SAIx_DMAx_PERIPH_DATA_SIZE; |
phungductung | 0:4e245f4bc8ac | 586 | hdma_sai_tx.Init.MemDataAlignment = AUDIO_OUT_SAIx_DMAx_MEM_DATA_SIZE; |
phungductung | 0:4e245f4bc8ac | 587 | hdma_sai_tx.Init.Mode = DMA_CIRCULAR; |
phungductung | 0:4e245f4bc8ac | 588 | hdma_sai_tx.Init.Priority = DMA_PRIORITY_HIGH; |
phungductung | 0:4e245f4bc8ac | 589 | hdma_sai_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE; |
phungductung | 0:4e245f4bc8ac | 590 | hdma_sai_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; |
phungductung | 0:4e245f4bc8ac | 591 | hdma_sai_tx.Init.MemBurst = DMA_MBURST_SINGLE; |
phungductung | 0:4e245f4bc8ac | 592 | hdma_sai_tx.Init.PeriphBurst = DMA_PBURST_SINGLE; |
phungductung | 0:4e245f4bc8ac | 593 | |
phungductung | 0:4e245f4bc8ac | 594 | hdma_sai_tx.Instance = AUDIO_OUT_SAIx_DMAx_STREAM; |
phungductung | 0:4e245f4bc8ac | 595 | |
phungductung | 0:4e245f4bc8ac | 596 | /* Associate the DMA handle */ |
phungductung | 0:4e245f4bc8ac | 597 | __HAL_LINKDMA(hsai, hdmatx, hdma_sai_tx); |
phungductung | 0:4e245f4bc8ac | 598 | |
phungductung | 0:4e245f4bc8ac | 599 | /* Deinitialize the Stream for new transfer */ |
phungductung | 0:4e245f4bc8ac | 600 | HAL_DMA_DeInit(&hdma_sai_tx); |
phungductung | 0:4e245f4bc8ac | 601 | |
phungductung | 0:4e245f4bc8ac | 602 | /* Configure the DMA Stream */ |
phungductung | 0:4e245f4bc8ac | 603 | HAL_DMA_Init(&hdma_sai_tx); |
phungductung | 0:4e245f4bc8ac | 604 | } |
phungductung | 0:4e245f4bc8ac | 605 | #if ( __MBED__ == 1) |
phungductung | 0:4e245f4bc8ac | 606 | // Enable interrupt |
phungductung | 0:4e245f4bc8ac | 607 | IRQn_Type irqn = (IRQn_Type)(AUDIO_OUT_SAIx_DMAx_IRQ); |
phungductung | 0:4e245f4bc8ac | 608 | NVIC_ClearPendingIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 609 | NVIC_DisableIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 610 | NVIC_SetPriority(irqn, AUDIO_OUT_IRQ_PREPRIO); |
phungductung | 0:4e245f4bc8ac | 611 | NVIC_SetVector(irqn, (uint32_t)AUDIO_OUT_SAIx_DMAx_IRQHandler); |
phungductung | 0:4e245f4bc8ac | 612 | NVIC_EnableIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 613 | |
phungductung | 0:4e245f4bc8ac | 614 | #else |
phungductung | 0:4e245f4bc8ac | 615 | /* SAI DMA IRQ Channel configuration */ |
phungductung | 0:4e245f4bc8ac | 616 | HAL_NVIC_SetPriority(AUDIO_OUT_SAIx_DMAx_IRQ, AUDIO_OUT_IRQ_PREPRIO, 0); |
phungductung | 0:4e245f4bc8ac | 617 | HAL_NVIC_EnableIRQ(AUDIO_OUT_SAIx_DMAx_IRQ); |
phungductung | 0:4e245f4bc8ac | 618 | #endif |
phungductung | 0:4e245f4bc8ac | 619 | } |
phungductung | 0:4e245f4bc8ac | 620 | |
phungductung | 0:4e245f4bc8ac | 621 | /** |
phungductung | 0:4e245f4bc8ac | 622 | * @brief Deinitializes SAI MSP. |
phungductung | 0:4e245f4bc8ac | 623 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 624 | * @param Params |
phungductung | 0:4e245f4bc8ac | 625 | * @retval None |
phungductung | 0:4e245f4bc8ac | 626 | */ |
phungductung | 0:4e245f4bc8ac | 627 | __weak void BSP_AUDIO_OUT_MspDeInit(SAI_HandleTypeDef *hsai, void *Params) |
phungductung | 0:4e245f4bc8ac | 628 | { |
phungductung | 0:4e245f4bc8ac | 629 | GPIO_InitTypeDef gpio_init_structure; |
phungductung | 0:4e245f4bc8ac | 630 | |
phungductung | 0:4e245f4bc8ac | 631 | /* SAI DMA IRQ Channel deactivation */ |
phungductung | 0:4e245f4bc8ac | 632 | HAL_NVIC_DisableIRQ(AUDIO_OUT_SAIx_DMAx_IRQ); |
phungductung | 0:4e245f4bc8ac | 633 | |
phungductung | 0:4e245f4bc8ac | 634 | if(hsai->Instance == AUDIO_OUT_SAIx) |
phungductung | 0:4e245f4bc8ac | 635 | { |
phungductung | 0:4e245f4bc8ac | 636 | /* Deinitialize the DMA stream */ |
phungductung | 0:4e245f4bc8ac | 637 | HAL_DMA_DeInit(hsai->hdmatx); |
phungductung | 0:4e245f4bc8ac | 638 | } |
phungductung | 0:4e245f4bc8ac | 639 | |
phungductung | 0:4e245f4bc8ac | 640 | /* Disable SAI peripheral */ |
phungductung | 0:4e245f4bc8ac | 641 | __HAL_SAI_DISABLE(hsai); |
phungductung | 0:4e245f4bc8ac | 642 | |
phungductung | 0:4e245f4bc8ac | 643 | /* Deactives CODEC_SAI pins FS, SCK, MCK and SD by putting them in input mode */ |
phungductung | 0:4e245f4bc8ac | 644 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_FS_PIN; |
phungductung | 0:4e245f4bc8ac | 645 | HAL_GPIO_DeInit(AUDIO_OUT_SAIx_FS_GPIO_PORT, gpio_init_structure.Pin); |
phungductung | 0:4e245f4bc8ac | 646 | |
phungductung | 0:4e245f4bc8ac | 647 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_SCK_PIN; |
phungductung | 0:4e245f4bc8ac | 648 | HAL_GPIO_DeInit(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, gpio_init_structure.Pin); |
phungductung | 0:4e245f4bc8ac | 649 | |
phungductung | 0:4e245f4bc8ac | 650 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_SD_PIN; |
phungductung | 0:4e245f4bc8ac | 651 | HAL_GPIO_DeInit(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, gpio_init_structure.Pin); |
phungductung | 0:4e245f4bc8ac | 652 | |
phungductung | 0:4e245f4bc8ac | 653 | gpio_init_structure.Pin = AUDIO_OUT_SAIx_MCLK_PIN; |
phungductung | 0:4e245f4bc8ac | 654 | HAL_GPIO_DeInit(AUDIO_OUT_SAIx_MCLK_GPIO_PORT, gpio_init_structure.Pin); |
phungductung | 0:4e245f4bc8ac | 655 | |
phungductung | 0:4e245f4bc8ac | 656 | /* Disable SAI clock */ |
phungductung | 0:4e245f4bc8ac | 657 | AUDIO_OUT_SAIx_CLK_DISABLE(); |
phungductung | 0:4e245f4bc8ac | 658 | |
phungductung | 0:4e245f4bc8ac | 659 | /* GPIO pins clock and DMA clock can be shut down in the application |
phungductung | 0:4e245f4bc8ac | 660 | by surcharging this __weak function */ |
phungductung | 0:4e245f4bc8ac | 661 | } |
phungductung | 0:4e245f4bc8ac | 662 | |
phungductung | 0:4e245f4bc8ac | 663 | /** |
phungductung | 0:4e245f4bc8ac | 664 | * @brief Clock Config. |
phungductung | 0:4e245f4bc8ac | 665 | * @param hsai: might be required to set audio peripheral predivider if any. |
phungductung | 0:4e245f4bc8ac | 666 | * @param AudioFreq: Audio frequency used to play the audio stream. |
phungductung | 0:4e245f4bc8ac | 667 | * @param Params |
phungductung | 0:4e245f4bc8ac | 668 | * @note This API is called by BSP_AUDIO_OUT_Init() and BSP_AUDIO_OUT_SetFrequency() |
phungductung | 0:4e245f4bc8ac | 669 | * Being __weak it can be overwritten by the application |
phungductung | 0:4e245f4bc8ac | 670 | * @retval None |
phungductung | 0:4e245f4bc8ac | 671 | */ |
phungductung | 0:4e245f4bc8ac | 672 | __weak void BSP_AUDIO_OUT_ClockConfig(SAI_HandleTypeDef *hsai, uint32_t AudioFreq, void *Params) |
phungductung | 0:4e245f4bc8ac | 673 | { |
phungductung | 0:4e245f4bc8ac | 674 | RCC_PeriphCLKInitTypeDef rcc_ex_clk_init_struct; |
phungductung | 0:4e245f4bc8ac | 675 | |
phungductung | 0:4e245f4bc8ac | 676 | HAL_RCCEx_GetPeriphCLKConfig(&rcc_ex_clk_init_struct); |
phungductung | 0:4e245f4bc8ac | 677 | |
phungductung | 0:4e245f4bc8ac | 678 | /* Set the PLL configuration according to the audio frequency */ |
phungductung | 0:4e245f4bc8ac | 679 | if((AudioFreq == AUDIO_FREQUENCY_11K) || (AudioFreq == AUDIO_FREQUENCY_22K) || (AudioFreq == AUDIO_FREQUENCY_44K)) |
phungductung | 0:4e245f4bc8ac | 680 | { |
phungductung | 0:4e245f4bc8ac | 681 | /* Configure PLLI2S prescalers */ |
phungductung | 0:4e245f4bc8ac | 682 | /* PLLI2S_VCO: VCO_429M |
phungductung | 0:4e245f4bc8ac | 683 | I2S_CLK(first level) = PLLI2S_VCO/PLLI2SQ = 429/2 = 214.5 Mhz |
phungductung | 0:4e245f4bc8ac | 684 | I2S_CLK_x = I2S_CLK(first level)/PLLI2SDIVQ = 214.5/19 = 11.289 Mhz */ |
phungductung | 0:4e245f4bc8ac | 685 | rcc_ex_clk_init_struct.PeriphClockSelection = RCC_PERIPHCLK_SAI2; |
phungductung | 0:4e245f4bc8ac | 686 | rcc_ex_clk_init_struct.Sai2ClockSelection = RCC_SAI2CLKSOURCE_PLLI2S; |
phungductung | 0:4e245f4bc8ac | 687 | rcc_ex_clk_init_struct.PLLI2S.PLLI2SN = 429; |
phungductung | 0:4e245f4bc8ac | 688 | rcc_ex_clk_init_struct.PLLI2S.PLLI2SQ = 2; |
phungductung | 0:4e245f4bc8ac | 689 | rcc_ex_clk_init_struct.PLLI2SDivQ = 19; |
phungductung | 0:4e245f4bc8ac | 690 | |
phungductung | 0:4e245f4bc8ac | 691 | HAL_RCCEx_PeriphCLKConfig(&rcc_ex_clk_init_struct); |
phungductung | 0:4e245f4bc8ac | 692 | |
phungductung | 0:4e245f4bc8ac | 693 | } |
phungductung | 0:4e245f4bc8ac | 694 | else /* AUDIO_FREQUENCY_8K, AUDIO_FREQUENCY_16K, AUDIO_FREQUENCY_48K), AUDIO_FREQUENCY_96K */ |
phungductung | 0:4e245f4bc8ac | 695 | { |
phungductung | 0:4e245f4bc8ac | 696 | /* I2S clock config |
phungductung | 0:4e245f4bc8ac | 697 | PLLI2S_VCO: VCO_344M |
phungductung | 0:4e245f4bc8ac | 698 | I2S_CLK(first level) = PLLI2S_VCO/PLLI2SQ = 344/7 = 49.142 Mhz |
phungductung | 0:4e245f4bc8ac | 699 | I2S_CLK_x = I2S_CLK(first level)/PLLI2SDIVQ = 49.142/1 = 49.142 Mhz */ |
phungductung | 0:4e245f4bc8ac | 700 | rcc_ex_clk_init_struct.PeriphClockSelection = RCC_PERIPHCLK_SAI2; |
phungductung | 0:4e245f4bc8ac | 701 | rcc_ex_clk_init_struct.Sai2ClockSelection = RCC_SAI2CLKSOURCE_PLLI2S; |
phungductung | 0:4e245f4bc8ac | 702 | rcc_ex_clk_init_struct.PLLI2S.PLLI2SN = 344; |
phungductung | 0:4e245f4bc8ac | 703 | rcc_ex_clk_init_struct.PLLI2S.PLLI2SQ = 7; |
phungductung | 0:4e245f4bc8ac | 704 | rcc_ex_clk_init_struct.PLLI2SDivQ = 1; |
phungductung | 0:4e245f4bc8ac | 705 | |
phungductung | 0:4e245f4bc8ac | 706 | HAL_RCCEx_PeriphCLKConfig(&rcc_ex_clk_init_struct); |
phungductung | 0:4e245f4bc8ac | 707 | } |
phungductung | 0:4e245f4bc8ac | 708 | } |
phungductung | 0:4e245f4bc8ac | 709 | |
phungductung | 0:4e245f4bc8ac | 710 | /******************************************************************************* |
phungductung | 0:4e245f4bc8ac | 711 | Static Functions |
phungductung | 0:4e245f4bc8ac | 712 | *******************************************************************************/ |
phungductung | 0:4e245f4bc8ac | 713 | |
phungductung | 0:4e245f4bc8ac | 714 | /** |
phungductung | 0:4e245f4bc8ac | 715 | * @brief Initializes the output Audio Codec audio interface (SAI). |
phungductung | 0:4e245f4bc8ac | 716 | * @param AudioFreq: Audio frequency to be configured for the SAI peripheral. |
phungductung | 0:4e245f4bc8ac | 717 | * @note The default SlotActive configuration is set to CODEC_AUDIOFRAME_SLOT_0123 |
phungductung | 0:4e245f4bc8ac | 718 | * and user can update this configuration using |
phungductung | 0:4e245f4bc8ac | 719 | * @retval None |
phungductung | 0:4e245f4bc8ac | 720 | */ |
phungductung | 0:4e245f4bc8ac | 721 | static void SAIx_Out_Init(uint32_t AudioFreq) |
phungductung | 0:4e245f4bc8ac | 722 | { |
phungductung | 0:4e245f4bc8ac | 723 | /* Initialize the haudio_out_sai Instance parameter */ |
phungductung | 0:4e245f4bc8ac | 724 | haudio_out_sai.Instance = AUDIO_OUT_SAIx; |
phungductung | 0:4e245f4bc8ac | 725 | |
phungductung | 0:4e245f4bc8ac | 726 | /* Disable SAI peripheral to allow access to SAI internal registers */ |
phungductung | 0:4e245f4bc8ac | 727 | __HAL_SAI_DISABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 728 | |
phungductung | 0:4e245f4bc8ac | 729 | /* Configure SAI_Block_x |
phungductung | 0:4e245f4bc8ac | 730 | LSBFirst: Disabled |
phungductung | 0:4e245f4bc8ac | 731 | DataSize: 16 */ |
phungductung | 0:4e245f4bc8ac | 732 | haudio_out_sai.Init.AudioFrequency = AudioFreq; |
phungductung | 0:4e245f4bc8ac | 733 | haudio_out_sai.Init.AudioMode = SAI_MODEMASTER_TX; |
phungductung | 0:4e245f4bc8ac | 734 | haudio_out_sai.Init.NoDivider = SAI_MASTERDIVIDER_ENABLED; |
phungductung | 0:4e245f4bc8ac | 735 | haudio_out_sai.Init.Protocol = SAI_FREE_PROTOCOL; |
phungductung | 0:4e245f4bc8ac | 736 | haudio_out_sai.Init.DataSize = SAI_DATASIZE_16; |
phungductung | 0:4e245f4bc8ac | 737 | haudio_out_sai.Init.FirstBit = SAI_FIRSTBIT_MSB; |
phungductung | 0:4e245f4bc8ac | 738 | haudio_out_sai.Init.ClockStrobing = SAI_CLOCKSTROBING_RISINGEDGE; |
phungductung | 0:4e245f4bc8ac | 739 | haudio_out_sai.Init.Synchro = SAI_ASYNCHRONOUS; |
phungductung | 0:4e245f4bc8ac | 740 | haudio_out_sai.Init.OutputDrive = SAI_OUTPUTDRIVE_ENABLED; |
phungductung | 0:4e245f4bc8ac | 741 | haudio_out_sai.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_1QF; |
phungductung | 0:4e245f4bc8ac | 742 | |
phungductung | 0:4e245f4bc8ac | 743 | /* Configure SAI_Block_x Frame |
phungductung | 0:4e245f4bc8ac | 744 | Frame Length: 64 |
phungductung | 0:4e245f4bc8ac | 745 | Frame active Length: 32 |
phungductung | 0:4e245f4bc8ac | 746 | FS Definition: Start frame + Channel Side identification |
phungductung | 0:4e245f4bc8ac | 747 | FS Polarity: FS active Low |
phungductung | 0:4e245f4bc8ac | 748 | FS Offset: FS asserted one bit before the first bit of slot 0 */ |
phungductung | 0:4e245f4bc8ac | 749 | haudio_out_sai.FrameInit.FrameLength = 64; |
phungductung | 0:4e245f4bc8ac | 750 | haudio_out_sai.FrameInit.ActiveFrameLength = 32; |
phungductung | 0:4e245f4bc8ac | 751 | haudio_out_sai.FrameInit.FSDefinition = SAI_FS_CHANNEL_IDENTIFICATION; |
phungductung | 0:4e245f4bc8ac | 752 | haudio_out_sai.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW; |
phungductung | 0:4e245f4bc8ac | 753 | haudio_out_sai.FrameInit.FSOffset = SAI_FS_BEFOREFIRSTBIT; |
phungductung | 0:4e245f4bc8ac | 754 | |
phungductung | 0:4e245f4bc8ac | 755 | /* Configure SAI Block_x Slot |
phungductung | 0:4e245f4bc8ac | 756 | Slot First Bit Offset: 0 |
phungductung | 0:4e245f4bc8ac | 757 | Slot Size : 16 |
phungductung | 0:4e245f4bc8ac | 758 | Slot Number: 4 |
phungductung | 0:4e245f4bc8ac | 759 | Slot Active: All slot actives */ |
phungductung | 0:4e245f4bc8ac | 760 | haudio_out_sai.SlotInit.FirstBitOffset = 0; |
phungductung | 0:4e245f4bc8ac | 761 | haudio_out_sai.SlotInit.SlotSize = SAI_SLOTSIZE_DATASIZE; |
phungductung | 0:4e245f4bc8ac | 762 | haudio_out_sai.SlotInit.SlotNumber = 4; |
phungductung | 0:4e245f4bc8ac | 763 | haudio_out_sai.SlotInit.SlotActive = CODEC_AUDIOFRAME_SLOT_0123; |
phungductung | 0:4e245f4bc8ac | 764 | |
phungductung | 0:4e245f4bc8ac | 765 | HAL_SAI_Init(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 766 | |
phungductung | 0:4e245f4bc8ac | 767 | /* Enable SAI peripheral to generate MCLK */ |
phungductung | 0:4e245f4bc8ac | 768 | __HAL_SAI_ENABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 769 | } |
phungductung | 0:4e245f4bc8ac | 770 | |
phungductung | 0:4e245f4bc8ac | 771 | |
phungductung | 0:4e245f4bc8ac | 772 | |
phungductung | 0:4e245f4bc8ac | 773 | /** |
phungductung | 0:4e245f4bc8ac | 774 | * @brief Deinitializes the output Audio Codec audio interface (SAI). |
phungductung | 0:4e245f4bc8ac | 775 | * @retval None |
phungductung | 0:4e245f4bc8ac | 776 | */ |
phungductung | 0:4e245f4bc8ac | 777 | static void SAIx_Out_DeInit(void) |
phungductung | 0:4e245f4bc8ac | 778 | { |
phungductung | 0:4e245f4bc8ac | 779 | /* Initialize the haudio_out_sai Instance parameter */ |
phungductung | 0:4e245f4bc8ac | 780 | haudio_out_sai.Instance = AUDIO_OUT_SAIx; |
phungductung | 0:4e245f4bc8ac | 781 | |
phungductung | 0:4e245f4bc8ac | 782 | /* Disable SAI peripheral */ |
phungductung | 0:4e245f4bc8ac | 783 | __HAL_SAI_DISABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 784 | |
phungductung | 0:4e245f4bc8ac | 785 | HAL_SAI_DeInit(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 786 | } |
phungductung | 0:4e245f4bc8ac | 787 | |
phungductung | 0:4e245f4bc8ac | 788 | /** |
phungductung | 0:4e245f4bc8ac | 789 | * @} |
phungductung | 0:4e245f4bc8ac | 790 | */ |
phungductung | 0:4e245f4bc8ac | 791 | |
phungductung | 0:4e245f4bc8ac | 792 | /** @defgroup STM32746G_DISCOVERY_AUDIO_Out_Private_Functions STM32746G_DISCOVERY_AUDIO Out Private Functions |
phungductung | 0:4e245f4bc8ac | 793 | * @{ |
phungductung | 0:4e245f4bc8ac | 794 | */ |
phungductung | 0:4e245f4bc8ac | 795 | |
phungductung | 0:4e245f4bc8ac | 796 | /** |
phungductung | 0:4e245f4bc8ac | 797 | * @brief Initializes wave recording. |
phungductung | 0:4e245f4bc8ac | 798 | * @param InputDevice: INPUT_DEVICE_DIGITAL_MICROPHONE_2 or INPUT_DEVICE_INPUT_LINE_1 |
phungductung | 0:4e245f4bc8ac | 799 | * @param Volume: Initial volume level (in range 0(Mute)..80(+0dB)..100(+17.625dB)) |
phungductung | 0:4e245f4bc8ac | 800 | * @param AudioFreq: Audio frequency to be configured for the SAI peripheral. |
phungductung | 0:4e245f4bc8ac | 801 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 802 | */ |
phungductung | 0:4e245f4bc8ac | 803 | uint8_t BSP_AUDIO_IN_Init(uint16_t InputDevice, uint8_t Volume, uint32_t AudioFreq) |
phungductung | 0:4e245f4bc8ac | 804 | { |
phungductung | 0:4e245f4bc8ac | 805 | uint8_t ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 806 | uint32_t deviceid = 0x00; |
phungductung | 0:4e245f4bc8ac | 807 | uint32_t slot_active; |
phungductung | 0:4e245f4bc8ac | 808 | |
phungductung | 0:4e245f4bc8ac | 809 | if ((InputDevice != INPUT_DEVICE_INPUT_LINE_1) && /* Only INPUT_LINE_1 and MICROPHONE_2 inputs supported */ |
phungductung | 0:4e245f4bc8ac | 810 | (InputDevice != INPUT_DEVICE_DIGITAL_MICROPHONE_2)) |
phungductung | 0:4e245f4bc8ac | 811 | { |
phungductung | 0:4e245f4bc8ac | 812 | ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 813 | } |
phungductung | 0:4e245f4bc8ac | 814 | else |
phungductung | 0:4e245f4bc8ac | 815 | { |
phungductung | 0:4e245f4bc8ac | 816 | /* Disable SAI */ |
phungductung | 0:4e245f4bc8ac | 817 | SAIx_In_DeInit(); |
phungductung | 0:4e245f4bc8ac | 818 | |
phungductung | 0:4e245f4bc8ac | 819 | /* PLL clock is set depending on the AudioFreq (44.1khz vs 48khz groups) */ |
phungductung | 0:4e245f4bc8ac | 820 | BSP_AUDIO_OUT_ClockConfig(&haudio_in_sai, AudioFreq, NULL); /* Clock config is shared between AUDIO IN and OUT */ |
phungductung | 0:4e245f4bc8ac | 821 | |
phungductung | 0:4e245f4bc8ac | 822 | /* SAI data transfer preparation: |
phungductung | 0:4e245f4bc8ac | 823 | Prepare the Media to be used for the audio transfer from SAI peripheral to memory */ |
phungductung | 0:4e245f4bc8ac | 824 | haudio_in_sai.Instance = AUDIO_IN_SAIx; |
phungductung | 0:4e245f4bc8ac | 825 | if(HAL_SAI_GetState(&haudio_in_sai) == HAL_SAI_STATE_RESET) |
phungductung | 0:4e245f4bc8ac | 826 | { |
phungductung | 0:4e245f4bc8ac | 827 | /* Init the SAI MSP: this __weak function can be redefined by the application*/ |
phungductung | 0:4e245f4bc8ac | 828 | BSP_AUDIO_OUT_MspInit(&haudio_in_sai, NULL); /* Initialize GPIOs for SAI2 block A Master signals */ |
phungductung | 0:4e245f4bc8ac | 829 | BSP_AUDIO_IN_MspInit(&haudio_in_sai, NULL); |
phungductung | 0:4e245f4bc8ac | 830 | } |
phungductung | 0:4e245f4bc8ac | 831 | |
phungductung | 0:4e245f4bc8ac | 832 | /* Configure SAI in master RX mode : |
phungductung | 0:4e245f4bc8ac | 833 | * - SAI2_block_A in master RX mode |
phungductung | 0:4e245f4bc8ac | 834 | * - SAI2_block_B in slave RX mode synchronous from SAI2_block_A |
phungductung | 0:4e245f4bc8ac | 835 | */ |
phungductung | 0:4e245f4bc8ac | 836 | if (InputDevice == INPUT_DEVICE_DIGITAL_MICROPHONE_2) |
phungductung | 0:4e245f4bc8ac | 837 | { |
phungductung | 0:4e245f4bc8ac | 838 | slot_active = CODEC_AUDIOFRAME_SLOT_13; |
phungductung | 0:4e245f4bc8ac | 839 | } |
phungductung | 0:4e245f4bc8ac | 840 | else |
phungductung | 0:4e245f4bc8ac | 841 | { |
phungductung | 0:4e245f4bc8ac | 842 | slot_active = CODEC_AUDIOFRAME_SLOT_02; |
phungductung | 0:4e245f4bc8ac | 843 | } |
phungductung | 0:4e245f4bc8ac | 844 | SAIx_In_Init(SAI_MODEMASTER_RX, slot_active, AudioFreq); |
phungductung | 0:4e245f4bc8ac | 845 | |
phungductung | 0:4e245f4bc8ac | 846 | /* wm8994 codec initialization */ |
phungductung | 0:4e245f4bc8ac | 847 | deviceid = wm8994_drv.ReadID(AUDIO_I2C_ADDRESS); |
phungductung | 0:4e245f4bc8ac | 848 | |
phungductung | 0:4e245f4bc8ac | 849 | if((deviceid) == WM8994_ID) |
phungductung | 0:4e245f4bc8ac | 850 | { |
phungductung | 0:4e245f4bc8ac | 851 | /* Reset the Codec Registers */ |
phungductung | 0:4e245f4bc8ac | 852 | wm8994_drv.Reset(AUDIO_I2C_ADDRESS); |
phungductung | 0:4e245f4bc8ac | 853 | /* Initialize the audio driver structure */ |
phungductung | 0:4e245f4bc8ac | 854 | audio_drv = &wm8994_drv; |
phungductung | 0:4e245f4bc8ac | 855 | ret = AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 856 | } |
phungductung | 0:4e245f4bc8ac | 857 | else |
phungductung | 0:4e245f4bc8ac | 858 | { |
phungductung | 0:4e245f4bc8ac | 859 | ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 860 | } |
phungductung | 0:4e245f4bc8ac | 861 | |
phungductung | 0:4e245f4bc8ac | 862 | if(ret == AUDIO_OK) |
phungductung | 0:4e245f4bc8ac | 863 | { |
phungductung | 0:4e245f4bc8ac | 864 | /* Initialize the codec internal registers */ |
phungductung | 0:4e245f4bc8ac | 865 | audio_drv->Init(AUDIO_I2C_ADDRESS, InputDevice, Volume, AudioFreq); |
phungductung | 0:4e245f4bc8ac | 866 | } |
phungductung | 0:4e245f4bc8ac | 867 | } |
phungductung | 0:4e245f4bc8ac | 868 | return ret; |
phungductung | 0:4e245f4bc8ac | 869 | } |
phungductung | 0:4e245f4bc8ac | 870 | |
phungductung | 0:4e245f4bc8ac | 871 | /** |
phungductung | 0:4e245f4bc8ac | 872 | * @brief Initializes wave recording and playback in parallel. |
phungductung | 0:4e245f4bc8ac | 873 | * @param InputDevice: INPUT_DEVICE_DIGITAL_MICROPHONE_2 |
phungductung | 0:4e245f4bc8ac | 874 | * @param OutputDevice: OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE, |
phungductung | 0:4e245f4bc8ac | 875 | * or OUTPUT_DEVICE_BOTH. |
phungductung | 0:4e245f4bc8ac | 876 | * @param Volume: Initial volume level (in range 0(Mute)..80(+0dB)..100(+17.625dB)) |
phungductung | 0:4e245f4bc8ac | 877 | * @param AudioFreq: Audio frequency to be configured for the SAI peripheral. |
phungductung | 0:4e245f4bc8ac | 878 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 879 | */ |
phungductung | 0:4e245f4bc8ac | 880 | uint8_t BSP_AUDIO_IN_OUT_Init(uint16_t InputDevice, uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq) |
phungductung | 0:4e245f4bc8ac | 881 | { |
phungductung | 0:4e245f4bc8ac | 882 | uint8_t ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 883 | uint32_t deviceid = 0x00; |
phungductung | 0:4e245f4bc8ac | 884 | uint32_t slot_active; |
phungductung | 0:4e245f4bc8ac | 885 | |
phungductung | 0:4e245f4bc8ac | 886 | if (InputDevice != INPUT_DEVICE_DIGITAL_MICROPHONE_2) /* Only MICROPHONE_2 input supported */ |
phungductung | 0:4e245f4bc8ac | 887 | { |
phungductung | 0:4e245f4bc8ac | 888 | ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 889 | } |
phungductung | 0:4e245f4bc8ac | 890 | else |
phungductung | 0:4e245f4bc8ac | 891 | { |
phungductung | 0:4e245f4bc8ac | 892 | /* Disable SAI */ |
phungductung | 0:4e245f4bc8ac | 893 | SAIx_In_DeInit(); |
phungductung | 0:4e245f4bc8ac | 894 | SAIx_Out_DeInit(); |
phungductung | 0:4e245f4bc8ac | 895 | |
phungductung | 0:4e245f4bc8ac | 896 | /* PLL clock is set depending on the AudioFreq (44.1khz vs 48khz groups) */ |
phungductung | 0:4e245f4bc8ac | 897 | BSP_AUDIO_OUT_ClockConfig(&haudio_in_sai, AudioFreq, NULL); /* Clock config is shared between AUDIO IN and OUT */ |
phungductung | 0:4e245f4bc8ac | 898 | |
phungductung | 0:4e245f4bc8ac | 899 | /* SAI data transfer preparation: |
phungductung | 0:4e245f4bc8ac | 900 | Prepare the Media to be used for the audio transfer from SAI peripheral to memory */ |
phungductung | 0:4e245f4bc8ac | 901 | haudio_in_sai.Instance = AUDIO_IN_SAIx; |
phungductung | 0:4e245f4bc8ac | 902 | if(HAL_SAI_GetState(&haudio_in_sai) == HAL_SAI_STATE_RESET) |
phungductung | 0:4e245f4bc8ac | 903 | { |
phungductung | 0:4e245f4bc8ac | 904 | /* Init the SAI MSP: this __weak function can be redefined by the application*/ |
phungductung | 0:4e245f4bc8ac | 905 | BSP_AUDIO_IN_MspInit(&haudio_in_sai, NULL); |
phungductung | 0:4e245f4bc8ac | 906 | } |
phungductung | 0:4e245f4bc8ac | 907 | |
phungductung | 0:4e245f4bc8ac | 908 | /* SAI data transfer preparation: |
phungductung | 0:4e245f4bc8ac | 909 | Prepare the Media to be used for the audio transfer from memory to SAI peripheral */ |
phungductung | 0:4e245f4bc8ac | 910 | haudio_out_sai.Instance = AUDIO_OUT_SAIx; |
phungductung | 0:4e245f4bc8ac | 911 | if(HAL_SAI_GetState(&haudio_out_sai) == HAL_SAI_STATE_RESET) |
phungductung | 0:4e245f4bc8ac | 912 | { |
phungductung | 0:4e245f4bc8ac | 913 | /* Init the SAI MSP: this __weak function can be redefined by the application*/ |
phungductung | 0:4e245f4bc8ac | 914 | BSP_AUDIO_OUT_MspInit(&haudio_out_sai, NULL); |
phungductung | 0:4e245f4bc8ac | 915 | } |
phungductung | 0:4e245f4bc8ac | 916 | |
phungductung | 0:4e245f4bc8ac | 917 | /* Configure SAI in master mode : |
phungductung | 0:4e245f4bc8ac | 918 | * - SAI2_block_A in master TX mode |
phungductung | 0:4e245f4bc8ac | 919 | * - SAI2_block_B in slave RX mode synchronous from SAI2_block_A |
phungductung | 0:4e245f4bc8ac | 920 | */ |
phungductung | 0:4e245f4bc8ac | 921 | if (InputDevice == INPUT_DEVICE_DIGITAL_MICROPHONE_2) |
phungductung | 0:4e245f4bc8ac | 922 | { |
phungductung | 0:4e245f4bc8ac | 923 | slot_active = CODEC_AUDIOFRAME_SLOT_13; |
phungductung | 0:4e245f4bc8ac | 924 | } |
phungductung | 0:4e245f4bc8ac | 925 | else |
phungductung | 0:4e245f4bc8ac | 926 | { |
phungductung | 0:4e245f4bc8ac | 927 | slot_active = CODEC_AUDIOFRAME_SLOT_02; |
phungductung | 0:4e245f4bc8ac | 928 | } |
phungductung | 0:4e245f4bc8ac | 929 | SAIx_In_Init(SAI_MODEMASTER_TX, slot_active, AudioFreq); |
phungductung | 0:4e245f4bc8ac | 930 | |
phungductung | 0:4e245f4bc8ac | 931 | /* wm8994 codec initialization */ |
phungductung | 0:4e245f4bc8ac | 932 | deviceid = wm8994_drv.ReadID(AUDIO_I2C_ADDRESS); |
phungductung | 0:4e245f4bc8ac | 933 | |
phungductung | 0:4e245f4bc8ac | 934 | if((deviceid) == WM8994_ID) |
phungductung | 0:4e245f4bc8ac | 935 | { |
phungductung | 0:4e245f4bc8ac | 936 | /* Reset the Codec Registers */ |
phungductung | 0:4e245f4bc8ac | 937 | wm8994_drv.Reset(AUDIO_I2C_ADDRESS); |
phungductung | 0:4e245f4bc8ac | 938 | /* Initialize the audio driver structure */ |
phungductung | 0:4e245f4bc8ac | 939 | audio_drv = &wm8994_drv; |
phungductung | 0:4e245f4bc8ac | 940 | ret = AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 941 | } |
phungductung | 0:4e245f4bc8ac | 942 | else |
phungductung | 0:4e245f4bc8ac | 943 | { |
phungductung | 0:4e245f4bc8ac | 944 | ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 945 | } |
phungductung | 0:4e245f4bc8ac | 946 | |
phungductung | 0:4e245f4bc8ac | 947 | if(ret == AUDIO_OK) |
phungductung | 0:4e245f4bc8ac | 948 | { |
phungductung | 0:4e245f4bc8ac | 949 | /* Initialize the codec internal registers */ |
phungductung | 0:4e245f4bc8ac | 950 | audio_drv->Init(AUDIO_I2C_ADDRESS, InputDevice | OutputDevice, Volume, AudioFreq); |
phungductung | 0:4e245f4bc8ac | 951 | } |
phungductung | 0:4e245f4bc8ac | 952 | } |
phungductung | 0:4e245f4bc8ac | 953 | return ret; |
phungductung | 0:4e245f4bc8ac | 954 | } |
phungductung | 0:4e245f4bc8ac | 955 | |
phungductung | 0:4e245f4bc8ac | 956 | |
phungductung | 0:4e245f4bc8ac | 957 | /** |
phungductung | 0:4e245f4bc8ac | 958 | * @brief Starts audio recording. |
phungductung | 0:4e245f4bc8ac | 959 | * @param pbuf: Main buffer pointer for the recorded data storing |
phungductung | 0:4e245f4bc8ac | 960 | * @param size: size of the recorded buffer in number of elements (typically number of half-words) |
phungductung | 0:4e245f4bc8ac | 961 | * Be careful that it is not the same unit than BSP_AUDIO_OUT_Play function |
phungductung | 0:4e245f4bc8ac | 962 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 963 | */ |
phungductung | 0:4e245f4bc8ac | 964 | uint8_t BSP_AUDIO_IN_Record(uint16_t* pbuf, uint32_t size) |
phungductung | 0:4e245f4bc8ac | 965 | { |
phungductung | 0:4e245f4bc8ac | 966 | uint32_t ret = AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 967 | |
phungductung | 0:4e245f4bc8ac | 968 | /* Start the process receive DMA */ |
phungductung | 0:4e245f4bc8ac | 969 | HAL_SAI_Receive_DMA(&haudio_in_sai, (uint8_t*)pbuf, size); |
phungductung | 0:4e245f4bc8ac | 970 | |
phungductung | 0:4e245f4bc8ac | 971 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 972 | ret = AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 973 | |
phungductung | 0:4e245f4bc8ac | 974 | return ret; |
phungductung | 0:4e245f4bc8ac | 975 | } |
phungductung | 0:4e245f4bc8ac | 976 | |
phungductung | 0:4e245f4bc8ac | 977 | /** |
phungductung | 0:4e245f4bc8ac | 978 | * @brief Stops audio recording. |
phungductung | 0:4e245f4bc8ac | 979 | * @param Option: could be one of the following parameters |
phungductung | 0:4e245f4bc8ac | 980 | * - CODEC_PDWN_SW: for software power off (by writing registers). |
phungductung | 0:4e245f4bc8ac | 981 | * Then no need to reconfigure the Codec after power on. |
phungductung | 0:4e245f4bc8ac | 982 | * - CODEC_PDWN_HW: completely shut down the codec (physically). |
phungductung | 0:4e245f4bc8ac | 983 | * Then need to reconfigure the Codec after power on. |
phungductung | 0:4e245f4bc8ac | 984 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 985 | */ |
phungductung | 0:4e245f4bc8ac | 986 | uint8_t BSP_AUDIO_IN_Stop(uint32_t Option) |
phungductung | 0:4e245f4bc8ac | 987 | { |
phungductung | 0:4e245f4bc8ac | 988 | /* Call the Media layer stop function */ |
phungductung | 0:4e245f4bc8ac | 989 | HAL_SAI_DMAStop(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 990 | |
phungductung | 0:4e245f4bc8ac | 991 | /* Call Audio Codec Stop function */ |
phungductung | 0:4e245f4bc8ac | 992 | if(audio_drv->Stop(AUDIO_I2C_ADDRESS, Option) != 0) |
phungductung | 0:4e245f4bc8ac | 993 | { |
phungductung | 0:4e245f4bc8ac | 994 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 995 | } |
phungductung | 0:4e245f4bc8ac | 996 | else |
phungductung | 0:4e245f4bc8ac | 997 | { |
phungductung | 0:4e245f4bc8ac | 998 | if(Option == CODEC_PDWN_HW) |
phungductung | 0:4e245f4bc8ac | 999 | { |
phungductung | 0:4e245f4bc8ac | 1000 | /* Wait at least 100us */ |
phungductung | 0:4e245f4bc8ac | 1001 | HAL_Delay(1); |
phungductung | 0:4e245f4bc8ac | 1002 | } |
phungductung | 0:4e245f4bc8ac | 1003 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 1004 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 1005 | } |
phungductung | 0:4e245f4bc8ac | 1006 | } |
phungductung | 0:4e245f4bc8ac | 1007 | |
phungductung | 0:4e245f4bc8ac | 1008 | /** |
phungductung | 0:4e245f4bc8ac | 1009 | * @brief Pauses the audio file stream. |
phungductung | 0:4e245f4bc8ac | 1010 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 1011 | */ |
phungductung | 0:4e245f4bc8ac | 1012 | uint8_t BSP_AUDIO_IN_Pause(void) |
phungductung | 0:4e245f4bc8ac | 1013 | { |
phungductung | 0:4e245f4bc8ac | 1014 | /* Call the Media layer pause function */ |
phungductung | 0:4e245f4bc8ac | 1015 | HAL_SAI_DMAPause(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 1016 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 1017 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 1018 | } |
phungductung | 0:4e245f4bc8ac | 1019 | |
phungductung | 0:4e245f4bc8ac | 1020 | /** |
phungductung | 0:4e245f4bc8ac | 1021 | * @brief Resumes the audio file stream. |
phungductung | 0:4e245f4bc8ac | 1022 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 1023 | */ |
phungductung | 0:4e245f4bc8ac | 1024 | uint8_t BSP_AUDIO_IN_Resume(void) |
phungductung | 0:4e245f4bc8ac | 1025 | { |
phungductung | 0:4e245f4bc8ac | 1026 | /* Call the Media layer pause/resume function */ |
phungductung | 0:4e245f4bc8ac | 1027 | HAL_SAI_DMAResume(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 1028 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 1029 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 1030 | } |
phungductung | 0:4e245f4bc8ac | 1031 | |
phungductung | 0:4e245f4bc8ac | 1032 | /** |
phungductung | 0:4e245f4bc8ac | 1033 | * @brief Controls the audio in volume level. |
phungductung | 0:4e245f4bc8ac | 1034 | * @param Volume: Volume level in range 0(Mute)..80(+0dB)..100(+17.625dB) |
phungductung | 0:4e245f4bc8ac | 1035 | * @retval AUDIO_OK if correct communication, else wrong communication |
phungductung | 0:4e245f4bc8ac | 1036 | */ |
phungductung | 0:4e245f4bc8ac | 1037 | uint8_t BSP_AUDIO_IN_SetVolume(uint8_t Volume) |
phungductung | 0:4e245f4bc8ac | 1038 | { |
phungductung | 0:4e245f4bc8ac | 1039 | /* Call the codec volume control function with converted volume value */ |
phungductung | 0:4e245f4bc8ac | 1040 | if(audio_drv->SetVolume(AUDIO_I2C_ADDRESS, Volume) != 0) |
phungductung | 0:4e245f4bc8ac | 1041 | { |
phungductung | 0:4e245f4bc8ac | 1042 | return AUDIO_ERROR; |
phungductung | 0:4e245f4bc8ac | 1043 | } |
phungductung | 0:4e245f4bc8ac | 1044 | else |
phungductung | 0:4e245f4bc8ac | 1045 | { |
phungductung | 0:4e245f4bc8ac | 1046 | /* Set the Global variable AudioInVolume */ |
phungductung | 0:4e245f4bc8ac | 1047 | AudioInVolume = Volume; |
phungductung | 0:4e245f4bc8ac | 1048 | /* Return AUDIO_OK when all operations are correctly done */ |
phungductung | 0:4e245f4bc8ac | 1049 | return AUDIO_OK; |
phungductung | 0:4e245f4bc8ac | 1050 | } |
phungductung | 0:4e245f4bc8ac | 1051 | } |
phungductung | 0:4e245f4bc8ac | 1052 | |
phungductung | 0:4e245f4bc8ac | 1053 | /** |
phungductung | 0:4e245f4bc8ac | 1054 | * @brief Deinit the audio IN peripherals. |
phungductung | 0:4e245f4bc8ac | 1055 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1056 | */ |
phungductung | 0:4e245f4bc8ac | 1057 | void BSP_AUDIO_IN_DeInit(void) |
phungductung | 0:4e245f4bc8ac | 1058 | { |
phungductung | 0:4e245f4bc8ac | 1059 | SAIx_In_DeInit(); |
phungductung | 0:4e245f4bc8ac | 1060 | /* DeInit the SAI MSP : this __weak function can be rewritten by the application */ |
phungductung | 0:4e245f4bc8ac | 1061 | BSP_AUDIO_IN_MspDeInit(&haudio_in_sai, NULL); |
phungductung | 0:4e245f4bc8ac | 1062 | } |
phungductung | 0:4e245f4bc8ac | 1063 | |
phungductung | 0:4e245f4bc8ac | 1064 | /** |
phungductung | 0:4e245f4bc8ac | 1065 | * @brief Rx Transfer completed callbacks. |
phungductung | 0:4e245f4bc8ac | 1066 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 1067 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1068 | */ |
phungductung | 0:4e245f4bc8ac | 1069 | void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai) |
phungductung | 0:4e245f4bc8ac | 1070 | { |
phungductung | 0:4e245f4bc8ac | 1071 | /* Call the record update function to get the next buffer to fill and its size (size is ignored) */ |
phungductung | 0:4e245f4bc8ac | 1072 | BSP_AUDIO_IN_TransferComplete_CallBack(); |
phungductung | 0:4e245f4bc8ac | 1073 | } |
phungductung | 0:4e245f4bc8ac | 1074 | |
phungductung | 0:4e245f4bc8ac | 1075 | /** |
phungductung | 0:4e245f4bc8ac | 1076 | * @brief Rx Half Transfer completed callbacks. |
phungductung | 0:4e245f4bc8ac | 1077 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 1078 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1079 | */ |
phungductung | 0:4e245f4bc8ac | 1080 | void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai) |
phungductung | 0:4e245f4bc8ac | 1081 | { |
phungductung | 0:4e245f4bc8ac | 1082 | /* Manage the remaining file size and new address offset: This function |
phungductung | 0:4e245f4bc8ac | 1083 | should be coded by user (its prototype is already declared in stm32746g_discovery_audio.h) */ |
phungductung | 0:4e245f4bc8ac | 1084 | BSP_AUDIO_IN_HalfTransfer_CallBack(); |
phungductung | 0:4e245f4bc8ac | 1085 | } |
phungductung | 0:4e245f4bc8ac | 1086 | |
phungductung | 0:4e245f4bc8ac | 1087 | /** |
phungductung | 0:4e245f4bc8ac | 1088 | * @brief User callback when record buffer is filled. |
phungductung | 0:4e245f4bc8ac | 1089 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1090 | */ |
phungductung | 0:4e245f4bc8ac | 1091 | __weak void BSP_AUDIO_IN_TransferComplete_CallBack(void) |
phungductung | 0:4e245f4bc8ac | 1092 | { |
phungductung | 0:4e245f4bc8ac | 1093 | /* This function should be implemented by the user application. |
phungductung | 0:4e245f4bc8ac | 1094 | It is called into this driver when the current buffer is filled |
phungductung | 0:4e245f4bc8ac | 1095 | to prepare the next buffer pointer and its size. */ |
phungductung | 0:4e245f4bc8ac | 1096 | } |
phungductung | 0:4e245f4bc8ac | 1097 | |
phungductung | 0:4e245f4bc8ac | 1098 | /** |
phungductung | 0:4e245f4bc8ac | 1099 | * @brief Manages the DMA Half Transfer complete event. |
phungductung | 0:4e245f4bc8ac | 1100 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1101 | */ |
phungductung | 0:4e245f4bc8ac | 1102 | __weak void BSP_AUDIO_IN_HalfTransfer_CallBack(void) |
phungductung | 0:4e245f4bc8ac | 1103 | { |
phungductung | 0:4e245f4bc8ac | 1104 | /* This function should be implemented by the user application. |
phungductung | 0:4e245f4bc8ac | 1105 | It is called into this driver when the current buffer is filled |
phungductung | 0:4e245f4bc8ac | 1106 | to prepare the next buffer pointer and its size. */ |
phungductung | 0:4e245f4bc8ac | 1107 | } |
phungductung | 0:4e245f4bc8ac | 1108 | |
phungductung | 0:4e245f4bc8ac | 1109 | /** |
phungductung | 0:4e245f4bc8ac | 1110 | * @brief Audio IN Error callback function. |
phungductung | 0:4e245f4bc8ac | 1111 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1112 | */ |
phungductung | 0:4e245f4bc8ac | 1113 | __weak void BSP_AUDIO_IN_Error_CallBack(void) |
phungductung | 0:4e245f4bc8ac | 1114 | { |
phungductung | 0:4e245f4bc8ac | 1115 | /* This function is called when an Interrupt due to transfer error on or peripheral |
phungductung | 0:4e245f4bc8ac | 1116 | error occurs. */ |
phungductung | 0:4e245f4bc8ac | 1117 | } |
phungductung | 0:4e245f4bc8ac | 1118 | |
phungductung | 0:4e245f4bc8ac | 1119 | /** |
phungductung | 0:4e245f4bc8ac | 1120 | * @brief Initializes BSP_AUDIO_IN MSP. |
phungductung | 0:4e245f4bc8ac | 1121 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 1122 | * @param Params |
phungductung | 0:4e245f4bc8ac | 1123 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1124 | */ |
phungductung | 0:4e245f4bc8ac | 1125 | __weak void BSP_AUDIO_IN_MspInit(SAI_HandleTypeDef *hsai, void *Params) |
phungductung | 0:4e245f4bc8ac | 1126 | { |
phungductung | 0:4e245f4bc8ac | 1127 | static DMA_HandleTypeDef hdma_sai_rx; |
phungductung | 0:4e245f4bc8ac | 1128 | GPIO_InitTypeDef gpio_init_structure; |
phungductung | 0:4e245f4bc8ac | 1129 | |
phungductung | 0:4e245f4bc8ac | 1130 | /* Enable SAI clock */ |
phungductung | 0:4e245f4bc8ac | 1131 | AUDIO_IN_SAIx_CLK_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 1132 | |
phungductung | 0:4e245f4bc8ac | 1133 | /* Enable SD GPIO clock */ |
phungductung | 0:4e245f4bc8ac | 1134 | AUDIO_IN_SAIx_SD_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 1135 | /* CODEC_SAI pin configuration: SD pin */ |
phungductung | 0:4e245f4bc8ac | 1136 | gpio_init_structure.Pin = AUDIO_IN_SAIx_SD_PIN; |
phungductung | 0:4e245f4bc8ac | 1137 | gpio_init_structure.Mode = GPIO_MODE_AF_PP; |
phungductung | 0:4e245f4bc8ac | 1138 | gpio_init_structure.Pull = GPIO_NOPULL; |
phungductung | 0:4e245f4bc8ac | 1139 | gpio_init_structure.Speed = GPIO_SPEED_FAST; |
phungductung | 0:4e245f4bc8ac | 1140 | gpio_init_structure.Alternate = AUDIO_IN_SAIx_SD_AF; |
phungductung | 0:4e245f4bc8ac | 1141 | HAL_GPIO_Init(AUDIO_IN_SAIx_SD_GPIO_PORT, &gpio_init_structure); |
phungductung | 0:4e245f4bc8ac | 1142 | |
phungductung | 0:4e245f4bc8ac | 1143 | /* Enable Audio INT GPIO clock */ |
phungductung | 0:4e245f4bc8ac | 1144 | AUDIO_IN_INT_GPIO_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 1145 | /* Audio INT pin configuration: input */ |
phungductung | 0:4e245f4bc8ac | 1146 | gpio_init_structure.Pin = AUDIO_IN_INT_GPIO_PIN; |
phungductung | 0:4e245f4bc8ac | 1147 | gpio_init_structure.Mode = GPIO_MODE_INPUT; |
phungductung | 0:4e245f4bc8ac | 1148 | gpio_init_structure.Pull = GPIO_NOPULL; |
phungductung | 0:4e245f4bc8ac | 1149 | gpio_init_structure.Speed = GPIO_SPEED_FAST; |
phungductung | 0:4e245f4bc8ac | 1150 | HAL_GPIO_Init(AUDIO_IN_INT_GPIO_PORT, &gpio_init_structure); |
phungductung | 0:4e245f4bc8ac | 1151 | |
phungductung | 0:4e245f4bc8ac | 1152 | /* Enable the DMA clock */ |
phungductung | 0:4e245f4bc8ac | 1153 | AUDIO_IN_SAIx_DMAx_CLK_ENABLE(); |
phungductung | 0:4e245f4bc8ac | 1154 | |
phungductung | 0:4e245f4bc8ac | 1155 | if(hsai->Instance == AUDIO_IN_SAIx) |
phungductung | 0:4e245f4bc8ac | 1156 | { |
phungductung | 0:4e245f4bc8ac | 1157 | /* Configure the hdma_sai_rx handle parameters */ |
phungductung | 0:4e245f4bc8ac | 1158 | hdma_sai_rx.Init.Channel = AUDIO_IN_SAIx_DMAx_CHANNEL; |
phungductung | 0:4e245f4bc8ac | 1159 | hdma_sai_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; |
phungductung | 0:4e245f4bc8ac | 1160 | hdma_sai_rx.Init.PeriphInc = DMA_PINC_DISABLE; |
phungductung | 0:4e245f4bc8ac | 1161 | hdma_sai_rx.Init.MemInc = DMA_MINC_ENABLE; |
phungductung | 0:4e245f4bc8ac | 1162 | hdma_sai_rx.Init.PeriphDataAlignment = AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE; |
phungductung | 0:4e245f4bc8ac | 1163 | hdma_sai_rx.Init.MemDataAlignment = AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE; |
phungductung | 0:4e245f4bc8ac | 1164 | hdma_sai_rx.Init.Mode = DMA_CIRCULAR; |
phungductung | 0:4e245f4bc8ac | 1165 | hdma_sai_rx.Init.Priority = DMA_PRIORITY_HIGH; |
phungductung | 0:4e245f4bc8ac | 1166 | hdma_sai_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; |
phungductung | 0:4e245f4bc8ac | 1167 | hdma_sai_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; |
phungductung | 0:4e245f4bc8ac | 1168 | hdma_sai_rx.Init.MemBurst = DMA_MBURST_SINGLE; |
phungductung | 0:4e245f4bc8ac | 1169 | hdma_sai_rx.Init.PeriphBurst = DMA_MBURST_SINGLE; |
phungductung | 0:4e245f4bc8ac | 1170 | |
phungductung | 0:4e245f4bc8ac | 1171 | hdma_sai_rx.Instance = AUDIO_IN_SAIx_DMAx_STREAM; |
phungductung | 0:4e245f4bc8ac | 1172 | |
phungductung | 0:4e245f4bc8ac | 1173 | /* Associate the DMA handle */ |
phungductung | 0:4e245f4bc8ac | 1174 | __HAL_LINKDMA(hsai, hdmarx, hdma_sai_rx); |
phungductung | 0:4e245f4bc8ac | 1175 | |
phungductung | 0:4e245f4bc8ac | 1176 | /* Deinitialize the Stream for new transfer */ |
phungductung | 0:4e245f4bc8ac | 1177 | HAL_DMA_DeInit(&hdma_sai_rx); |
phungductung | 0:4e245f4bc8ac | 1178 | |
phungductung | 0:4e245f4bc8ac | 1179 | /* Configure the DMA Stream */ |
phungductung | 0:4e245f4bc8ac | 1180 | HAL_DMA_Init(&hdma_sai_rx); |
phungductung | 0:4e245f4bc8ac | 1181 | } |
phungductung | 0:4e245f4bc8ac | 1182 | |
phungductung | 0:4e245f4bc8ac | 1183 | /* SAI DMA IRQ Channel configuration */ |
phungductung | 0:4e245f4bc8ac | 1184 | #if ( __MBED__ == 1) |
phungductung | 0:4e245f4bc8ac | 1185 | IRQn_Type irqn = (IRQn_Type)(AUDIO_IN_SAIx_DMAx_IRQ); |
phungductung | 0:4e245f4bc8ac | 1186 | NVIC_ClearPendingIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 1187 | NVIC_DisableIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 1188 | NVIC_SetPriority(irqn, AUDIO_IN_IRQ_PREPRIO); |
phungductung | 0:4e245f4bc8ac | 1189 | NVIC_SetVector(irqn, (uint32_t)AUDIO_IN_SAIx_DMAx_IRQHandler); |
phungductung | 0:4e245f4bc8ac | 1190 | NVIC_EnableIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 1191 | #else |
phungductung | 0:4e245f4bc8ac | 1192 | HAL_NVIC_SetPriority(AUDIO_IN_SAIx_DMAx_IRQ, AUDIO_IN_IRQ_PREPRIO, 0); |
phungductung | 0:4e245f4bc8ac | 1193 | HAL_NVIC_EnableIRQ(AUDIO_IN_SAIx_DMAx_IRQ); |
phungductung | 0:4e245f4bc8ac | 1194 | #endif |
phungductung | 0:4e245f4bc8ac | 1195 | |
phungductung | 0:4e245f4bc8ac | 1196 | /* Audio INT IRQ Channel configuration */ |
phungductung | 0:4e245f4bc8ac | 1197 | #if ( __MBED__ == 1) |
phungductung | 0:4e245f4bc8ac | 1198 | irqn = (IRQn_Type)(AUDIO_IN_INT_IRQ); |
phungductung | 0:4e245f4bc8ac | 1199 | NVIC_ClearPendingIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 1200 | NVIC_DisableIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 1201 | NVIC_SetPriority(irqn, AUDIO_IN_IRQ_PREPRIO); |
phungductung | 0:4e245f4bc8ac | 1202 | NVIC_SetVector(irqn, (uint32_t)AUDIO_IN_INT_IRQHandler); |
phungductung | 0:4e245f4bc8ac | 1203 | NVIC_EnableIRQ(irqn); |
phungductung | 0:4e245f4bc8ac | 1204 | #else |
phungductung | 0:4e245f4bc8ac | 1205 | HAL_NVIC_SetPriority(AUDIO_IN_INT_IRQ, AUDIO_IN_IRQ_PREPRIO, 0); |
phungductung | 0:4e245f4bc8ac | 1206 | HAL_NVIC_EnableIRQ(AUDIO_IN_INT_IRQ); |
phungductung | 0:4e245f4bc8ac | 1207 | #endif |
phungductung | 0:4e245f4bc8ac | 1208 | } |
phungductung | 0:4e245f4bc8ac | 1209 | |
phungductung | 0:4e245f4bc8ac | 1210 | /** |
phungductung | 0:4e245f4bc8ac | 1211 | * @brief DeInitializes BSP_AUDIO_IN MSP. |
phungductung | 0:4e245f4bc8ac | 1212 | * @param hsai: SAI handle |
phungductung | 0:4e245f4bc8ac | 1213 | * @param Params |
phungductung | 0:4e245f4bc8ac | 1214 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1215 | */ |
phungductung | 0:4e245f4bc8ac | 1216 | __weak void BSP_AUDIO_IN_MspDeInit(SAI_HandleTypeDef *hsai, void *Params) |
phungductung | 0:4e245f4bc8ac | 1217 | { |
phungductung | 0:4e245f4bc8ac | 1218 | GPIO_InitTypeDef gpio_init_structure; |
phungductung | 0:4e245f4bc8ac | 1219 | |
phungductung | 0:4e245f4bc8ac | 1220 | static DMA_HandleTypeDef hdma_sai_rx; |
phungductung | 0:4e245f4bc8ac | 1221 | |
phungductung | 0:4e245f4bc8ac | 1222 | /* SAI IN DMA IRQ Channel deactivation */ |
phungductung | 0:4e245f4bc8ac | 1223 | HAL_NVIC_DisableIRQ(AUDIO_IN_SAIx_DMAx_IRQ); |
phungductung | 0:4e245f4bc8ac | 1224 | |
phungductung | 0:4e245f4bc8ac | 1225 | if(hsai->Instance == AUDIO_IN_SAIx) |
phungductung | 0:4e245f4bc8ac | 1226 | { |
phungductung | 0:4e245f4bc8ac | 1227 | /* Deinitialize the Stream for new transfer */ |
phungductung | 0:4e245f4bc8ac | 1228 | HAL_DMA_DeInit(&hdma_sai_rx); |
phungductung | 0:4e245f4bc8ac | 1229 | } |
phungductung | 0:4e245f4bc8ac | 1230 | |
phungductung | 0:4e245f4bc8ac | 1231 | /* Disable SAI block */ |
phungductung | 0:4e245f4bc8ac | 1232 | __HAL_SAI_DISABLE(hsai); |
phungductung | 0:4e245f4bc8ac | 1233 | |
phungductung | 0:4e245f4bc8ac | 1234 | /* Disable pin: SD pin */ |
phungductung | 0:4e245f4bc8ac | 1235 | gpio_init_structure.Pin = AUDIO_IN_SAIx_SD_PIN; |
phungductung | 0:4e245f4bc8ac | 1236 | HAL_GPIO_DeInit(AUDIO_IN_SAIx_SD_GPIO_PORT, gpio_init_structure.Pin); |
phungductung | 0:4e245f4bc8ac | 1237 | |
phungductung | 0:4e245f4bc8ac | 1238 | /* Disable SAI clock */ |
phungductung | 0:4e245f4bc8ac | 1239 | AUDIO_IN_SAIx_CLK_DISABLE(); |
phungductung | 0:4e245f4bc8ac | 1240 | |
phungductung | 0:4e245f4bc8ac | 1241 | /* GPIO pins clock and DMA clock can be shut down in the application |
phungductung | 0:4e245f4bc8ac | 1242 | by surcharging this __weak function */ |
phungductung | 0:4e245f4bc8ac | 1243 | } |
phungductung | 0:4e245f4bc8ac | 1244 | |
phungductung | 0:4e245f4bc8ac | 1245 | |
phungductung | 0:4e245f4bc8ac | 1246 | /******************************************************************************* |
phungductung | 0:4e245f4bc8ac | 1247 | Static Functions |
phungductung | 0:4e245f4bc8ac | 1248 | *******************************************************************************/ |
phungductung | 0:4e245f4bc8ac | 1249 | |
phungductung | 0:4e245f4bc8ac | 1250 | /** |
phungductung | 0:4e245f4bc8ac | 1251 | * @brief Initializes the input Audio Codec audio interface (SAI). |
phungductung | 0:4e245f4bc8ac | 1252 | * @param SaiOutMode: SAI_MODEMASTER_TX (for record and playback in parallel) |
phungductung | 0:4e245f4bc8ac | 1253 | * or SAI_MODEMASTER_RX (for record only). |
phungductung | 0:4e245f4bc8ac | 1254 | * @param SlotActive: CODEC_AUDIOFRAME_SLOT_02 or CODEC_AUDIOFRAME_SLOT_13 |
phungductung | 0:4e245f4bc8ac | 1255 | * @param AudioFreq: Audio frequency to be configured for the SAI peripheral. |
phungductung | 0:4e245f4bc8ac | 1256 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1257 | */ |
phungductung | 0:4e245f4bc8ac | 1258 | static void SAIx_In_Init(uint32_t SaiOutMode, uint32_t SlotActive, uint32_t AudioFreq) |
phungductung | 0:4e245f4bc8ac | 1259 | { |
phungductung | 0:4e245f4bc8ac | 1260 | /* Initialize SAI2 block A in MASTER RX */ |
phungductung | 0:4e245f4bc8ac | 1261 | /* Initialize the haudio_out_sai Instance parameter */ |
phungductung | 0:4e245f4bc8ac | 1262 | haudio_out_sai.Instance = AUDIO_OUT_SAIx; |
phungductung | 0:4e245f4bc8ac | 1263 | |
phungductung | 0:4e245f4bc8ac | 1264 | /* Disable SAI peripheral to allow access to SAI internal registers */ |
phungductung | 0:4e245f4bc8ac | 1265 | __HAL_SAI_DISABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 1266 | |
phungductung | 0:4e245f4bc8ac | 1267 | /* Configure SAI_Block_x |
phungductung | 0:4e245f4bc8ac | 1268 | LSBFirst: Disabled |
phungductung | 0:4e245f4bc8ac | 1269 | DataSize: 16 */ |
phungductung | 0:4e245f4bc8ac | 1270 | haudio_out_sai.Init.AudioFrequency = AudioFreq; |
phungductung | 0:4e245f4bc8ac | 1271 | haudio_out_sai.Init.AudioMode = SaiOutMode; |
phungductung | 0:4e245f4bc8ac | 1272 | haudio_out_sai.Init.NoDivider = SAI_MASTERDIVIDER_ENABLED; |
phungductung | 0:4e245f4bc8ac | 1273 | haudio_out_sai.Init.Protocol = SAI_FREE_PROTOCOL; |
phungductung | 0:4e245f4bc8ac | 1274 | haudio_out_sai.Init.DataSize = SAI_DATASIZE_16; |
phungductung | 0:4e245f4bc8ac | 1275 | haudio_out_sai.Init.FirstBit = SAI_FIRSTBIT_MSB; |
phungductung | 0:4e245f4bc8ac | 1276 | haudio_out_sai.Init.ClockStrobing = SAI_CLOCKSTROBING_RISINGEDGE; |
phungductung | 0:4e245f4bc8ac | 1277 | haudio_out_sai.Init.Synchro = SAI_ASYNCHRONOUS; |
phungductung | 0:4e245f4bc8ac | 1278 | haudio_out_sai.Init.OutputDrive = SAI_OUTPUTDRIVE_ENABLED; |
phungductung | 0:4e245f4bc8ac | 1279 | haudio_out_sai.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_1QF; |
phungductung | 0:4e245f4bc8ac | 1280 | |
phungductung | 0:4e245f4bc8ac | 1281 | /* Configure SAI_Block_x Frame |
phungductung | 0:4e245f4bc8ac | 1282 | Frame Length: 64 |
phungductung | 0:4e245f4bc8ac | 1283 | Frame active Length: 32 |
phungductung | 0:4e245f4bc8ac | 1284 | FS Definition: Start frame + Channel Side identification |
phungductung | 0:4e245f4bc8ac | 1285 | FS Polarity: FS active Low |
phungductung | 0:4e245f4bc8ac | 1286 | FS Offset: FS asserted one bit before the first bit of slot 0 */ |
phungductung | 0:4e245f4bc8ac | 1287 | haudio_out_sai.FrameInit.FrameLength = 64; |
phungductung | 0:4e245f4bc8ac | 1288 | haudio_out_sai.FrameInit.ActiveFrameLength = 32; |
phungductung | 0:4e245f4bc8ac | 1289 | haudio_out_sai.FrameInit.FSDefinition = SAI_FS_CHANNEL_IDENTIFICATION; |
phungductung | 0:4e245f4bc8ac | 1290 | haudio_out_sai.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW; |
phungductung | 0:4e245f4bc8ac | 1291 | haudio_out_sai.FrameInit.FSOffset = SAI_FS_BEFOREFIRSTBIT; |
phungductung | 0:4e245f4bc8ac | 1292 | |
phungductung | 0:4e245f4bc8ac | 1293 | /* Configure SAI Block_x Slot |
phungductung | 0:4e245f4bc8ac | 1294 | Slot First Bit Offset: 0 |
phungductung | 0:4e245f4bc8ac | 1295 | Slot Size : 16 |
phungductung | 0:4e245f4bc8ac | 1296 | Slot Number: 4 |
phungductung | 0:4e245f4bc8ac | 1297 | Slot Active: All slot actives */ |
phungductung | 0:4e245f4bc8ac | 1298 | haudio_out_sai.SlotInit.FirstBitOffset = 0; |
phungductung | 0:4e245f4bc8ac | 1299 | haudio_out_sai.SlotInit.SlotSize = SAI_SLOTSIZE_DATASIZE; |
phungductung | 0:4e245f4bc8ac | 1300 | haudio_out_sai.SlotInit.SlotNumber = 4; |
phungductung | 0:4e245f4bc8ac | 1301 | haudio_out_sai.SlotInit.SlotActive = SlotActive; |
phungductung | 0:4e245f4bc8ac | 1302 | |
phungductung | 0:4e245f4bc8ac | 1303 | HAL_SAI_Init(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 1304 | |
phungductung | 0:4e245f4bc8ac | 1305 | /* Initialize SAI2 block B in SLAVE RX synchronous from SAI2 block A */ |
phungductung | 0:4e245f4bc8ac | 1306 | /* Initialize the haudio_in_sai Instance parameter */ |
phungductung | 0:4e245f4bc8ac | 1307 | haudio_in_sai.Instance = AUDIO_IN_SAIx; |
phungductung | 0:4e245f4bc8ac | 1308 | |
phungductung | 0:4e245f4bc8ac | 1309 | /* Disable SAI peripheral to allow access to SAI internal registers */ |
phungductung | 0:4e245f4bc8ac | 1310 | __HAL_SAI_DISABLE(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 1311 | |
phungductung | 0:4e245f4bc8ac | 1312 | /* Configure SAI_Block_x |
phungductung | 0:4e245f4bc8ac | 1313 | LSBFirst: Disabled |
phungductung | 0:4e245f4bc8ac | 1314 | DataSize: 16 */ |
phungductung | 0:4e245f4bc8ac | 1315 | haudio_in_sai.Init.AudioFrequency = AudioFreq; |
phungductung | 0:4e245f4bc8ac | 1316 | haudio_in_sai.Init.AudioMode = SAI_MODESLAVE_RX; |
phungductung | 0:4e245f4bc8ac | 1317 | haudio_in_sai.Init.NoDivider = SAI_MASTERDIVIDER_ENABLED; |
phungductung | 0:4e245f4bc8ac | 1318 | haudio_in_sai.Init.Protocol = SAI_FREE_PROTOCOL; |
phungductung | 0:4e245f4bc8ac | 1319 | haudio_in_sai.Init.DataSize = SAI_DATASIZE_16; |
phungductung | 0:4e245f4bc8ac | 1320 | haudio_in_sai.Init.FirstBit = SAI_FIRSTBIT_MSB; |
phungductung | 0:4e245f4bc8ac | 1321 | haudio_in_sai.Init.ClockStrobing = SAI_CLOCKSTROBING_RISINGEDGE; |
phungductung | 0:4e245f4bc8ac | 1322 | haudio_in_sai.Init.Synchro = SAI_SYNCHRONOUS; |
phungductung | 0:4e245f4bc8ac | 1323 | haudio_in_sai.Init.OutputDrive = SAI_OUTPUTDRIVE_DISABLED; |
phungductung | 0:4e245f4bc8ac | 1324 | haudio_in_sai.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_1QF; |
phungductung | 0:4e245f4bc8ac | 1325 | |
phungductung | 0:4e245f4bc8ac | 1326 | /* Configure SAI_Block_x Frame |
phungductung | 0:4e245f4bc8ac | 1327 | Frame Length: 64 |
phungductung | 0:4e245f4bc8ac | 1328 | Frame active Length: 32 |
phungductung | 0:4e245f4bc8ac | 1329 | FS Definition: Start frame + Channel Side identification |
phungductung | 0:4e245f4bc8ac | 1330 | FS Polarity: FS active Low |
phungductung | 0:4e245f4bc8ac | 1331 | FS Offset: FS asserted one bit before the first bit of slot 0 */ |
phungductung | 0:4e245f4bc8ac | 1332 | haudio_in_sai.FrameInit.FrameLength = 64; |
phungductung | 0:4e245f4bc8ac | 1333 | haudio_in_sai.FrameInit.ActiveFrameLength = 32; |
phungductung | 0:4e245f4bc8ac | 1334 | haudio_in_sai.FrameInit.FSDefinition = SAI_FS_CHANNEL_IDENTIFICATION; |
phungductung | 0:4e245f4bc8ac | 1335 | haudio_in_sai.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW; |
phungductung | 0:4e245f4bc8ac | 1336 | haudio_in_sai.FrameInit.FSOffset = SAI_FS_BEFOREFIRSTBIT; |
phungductung | 0:4e245f4bc8ac | 1337 | |
phungductung | 0:4e245f4bc8ac | 1338 | /* Configure SAI Block_x Slot |
phungductung | 0:4e245f4bc8ac | 1339 | Slot First Bit Offset: 0 |
phungductung | 0:4e245f4bc8ac | 1340 | Slot Size : 16 |
phungductung | 0:4e245f4bc8ac | 1341 | Slot Number: 4 |
phungductung | 0:4e245f4bc8ac | 1342 | Slot Active: All slot active */ |
phungductung | 0:4e245f4bc8ac | 1343 | haudio_in_sai.SlotInit.FirstBitOffset = 0; |
phungductung | 0:4e245f4bc8ac | 1344 | haudio_in_sai.SlotInit.SlotSize = SAI_SLOTSIZE_DATASIZE; |
phungductung | 0:4e245f4bc8ac | 1345 | haudio_in_sai.SlotInit.SlotNumber = 4; |
phungductung | 0:4e245f4bc8ac | 1346 | haudio_in_sai.SlotInit.SlotActive = SlotActive; |
phungductung | 0:4e245f4bc8ac | 1347 | |
phungductung | 0:4e245f4bc8ac | 1348 | HAL_SAI_Init(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 1349 | |
phungductung | 0:4e245f4bc8ac | 1350 | /* Enable SAI peripheral to generate MCLK */ |
phungductung | 0:4e245f4bc8ac | 1351 | __HAL_SAI_ENABLE(&haudio_out_sai); |
phungductung | 0:4e245f4bc8ac | 1352 | |
phungductung | 0:4e245f4bc8ac | 1353 | /* Enable SAI peripheral */ |
phungductung | 0:4e245f4bc8ac | 1354 | __HAL_SAI_ENABLE(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 1355 | } |
phungductung | 0:4e245f4bc8ac | 1356 | |
phungductung | 0:4e245f4bc8ac | 1357 | |
phungductung | 0:4e245f4bc8ac | 1358 | |
phungductung | 0:4e245f4bc8ac | 1359 | /** |
phungductung | 0:4e245f4bc8ac | 1360 | * @brief Deinitializes the output Audio Codec audio interface (SAI). |
phungductung | 0:4e245f4bc8ac | 1361 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1362 | */ |
phungductung | 0:4e245f4bc8ac | 1363 | static void SAIx_In_DeInit(void) |
phungductung | 0:4e245f4bc8ac | 1364 | { |
phungductung | 0:4e245f4bc8ac | 1365 | /* Initialize the haudio_in_sai Instance parameter */ |
phungductung | 0:4e245f4bc8ac | 1366 | haudio_in_sai.Instance = AUDIO_IN_SAIx; |
phungductung | 0:4e245f4bc8ac | 1367 | |
phungductung | 0:4e245f4bc8ac | 1368 | /* Disable SAI peripheral */ |
phungductung | 0:4e245f4bc8ac | 1369 | __HAL_SAI_DISABLE(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 1370 | |
phungductung | 0:4e245f4bc8ac | 1371 | HAL_SAI_DeInit(&haudio_in_sai); |
phungductung | 0:4e245f4bc8ac | 1372 | } |
phungductung | 0:4e245f4bc8ac | 1373 | |
phungductung | 0:4e245f4bc8ac | 1374 | #if ( __MBED__ == 1) |
phungductung | 0:4e245f4bc8ac | 1375 | /** |
phungductung | 0:4e245f4bc8ac | 1376 | * @brief This function handles External line 15_10 interrupt request. |
phungductung | 0:4e245f4bc8ac | 1377 | * @param None |
phungductung | 0:4e245f4bc8ac | 1378 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1379 | */ |
phungductung | 0:4e245f4bc8ac | 1380 | static void AUDIO_IN_INT_IRQHandler(void) |
phungductung | 0:4e245f4bc8ac | 1381 | { |
phungductung | 0:4e245f4bc8ac | 1382 | /* Interrupt handler shared between SD_DETECT pin, USER_KEY button and touch screen interrupt */ |
phungductung | 0:4e245f4bc8ac | 1383 | if (__HAL_GPIO_EXTI_GET_IT(AUDIO_IN_INT_GPIO_PIN) != RESET) |
phungductung | 0:4e245f4bc8ac | 1384 | { |
phungductung | 0:4e245f4bc8ac | 1385 | HAL_GPIO_EXTI_IRQHandler(AUDIO_IN_INT_GPIO_PIN); /* Audio Interrupt */ |
phungductung | 0:4e245f4bc8ac | 1386 | } |
phungductung | 0:4e245f4bc8ac | 1387 | } |
phungductung | 0:4e245f4bc8ac | 1388 | |
phungductung | 0:4e245f4bc8ac | 1389 | /** |
phungductung | 0:4e245f4bc8ac | 1390 | * @brief This function handles DMA2 Stream 7 interrupt request. |
phungductung | 0:4e245f4bc8ac | 1391 | * @param None |
phungductung | 0:4e245f4bc8ac | 1392 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1393 | */ |
phungductung | 0:4e245f4bc8ac | 1394 | static void AUDIO_IN_SAIx_DMAx_IRQHandler(void) |
phungductung | 0:4e245f4bc8ac | 1395 | { |
phungductung | 0:4e245f4bc8ac | 1396 | HAL_DMA_IRQHandler(haudio_in_sai.hdmarx); |
phungductung | 0:4e245f4bc8ac | 1397 | } |
phungductung | 0:4e245f4bc8ac | 1398 | |
phungductung | 0:4e245f4bc8ac | 1399 | /** |
phungductung | 0:4e245f4bc8ac | 1400 | * @brief This function handles DMA2 Stream 6 interrupt request. |
phungductung | 0:4e245f4bc8ac | 1401 | * @param None |
phungductung | 0:4e245f4bc8ac | 1402 | * @retval None |
phungductung | 0:4e245f4bc8ac | 1403 | */ |
phungductung | 0:4e245f4bc8ac | 1404 | static void AUDIO_OUT_SAIx_DMAx_IRQHandler(void) |
phungductung | 0:4e245f4bc8ac | 1405 | { |
phungductung | 0:4e245f4bc8ac | 1406 | HAL_DMA_IRQHandler(haudio_out_sai.hdmatx); |
phungductung | 0:4e245f4bc8ac | 1407 | } |
phungductung | 0:4e245f4bc8ac | 1408 | #endif |
phungductung | 0:4e245f4bc8ac | 1409 | |
phungductung | 0:4e245f4bc8ac | 1410 | /** |
phungductung | 0:4e245f4bc8ac | 1411 | * @} |
phungductung | 0:4e245f4bc8ac | 1412 | */ |
phungductung | 0:4e245f4bc8ac | 1413 | |
phungductung | 0:4e245f4bc8ac | 1414 | /** |
phungductung | 0:4e245f4bc8ac | 1415 | * @} |
phungductung | 0:4e245f4bc8ac | 1416 | */ |
phungductung | 0:4e245f4bc8ac | 1417 | |
phungductung | 0:4e245f4bc8ac | 1418 | /** |
phungductung | 0:4e245f4bc8ac | 1419 | * @} |
phungductung | 0:4e245f4bc8ac | 1420 | */ |
phungductung | 0:4e245f4bc8ac | 1421 | |
phungductung | 0:4e245f4bc8ac | 1422 | /** |
phungductung | 0:4e245f4bc8ac | 1423 | * @} |
phungductung | 0:4e245f4bc8ac | 1424 | */ |
phungductung | 0:4e245f4bc8ac | 1425 | |
phungductung | 0:4e245f4bc8ac | 1426 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |