This file provides the Audio driver for the STM32469I-Discovery board. More...
Include dependency graph for stm32469i_discovery_audio.c:
Go to the source code of this file.
Macros | |
| #define | OUTPUT_DEVICE_HEADPHONE1 OUTPUT_DEVICE_HEADPHONE |
| #define | OUTPUT_DEVICE_HEADPHONE2 OUTPUT_DEVICE_SPEAKER |
| #define | SAIClockDivider(__FREQUENCY__) |
Functions | |
| __weak void | BSP_AUDIO_IN_ClockConfig (I2S_HandleTypeDef *hi2s, void *Params) |
| Clock Config. More... | |
| void | BSP_AUDIO_IN_DeInit (void) |
| Deinit the audio IN peripherals. More... | |
| __weak void | BSP_AUDIO_IN_Error_Callback (void) |
| Audio IN Error callback function. More... | |
| __weak void | BSP_AUDIO_IN_HalfTransfer_CallBack (void) |
| Manages the DMA Half Transfer complete event. More... | |
| uint8_t | BSP_AUDIO_IN_Init (uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr) |
| Initializes wave recording. More... | |
| __weak void | BSP_AUDIO_IN_MspDeInit (I2S_HandleTypeDef *hi2s, void *Params) |
| DeInitializes BSP_AUDIO_IN MSP. More... | |
| __weak void | BSP_AUDIO_IN_MspInit (I2S_HandleTypeDef *hi2s, void *Params) |
| BSP AUDIO IN MSP Init. More... | |
| uint8_t | BSP_AUDIO_IN_Pause (void) |
| Pauses the audio file stream. More... | |
| uint8_t | BSP_AUDIO_IN_PDMToPCM (uint16_t *PDMBuf, uint16_t *PCMBuf) |
| Converts audio format from PDM to PCM. More... | |
| uint8_t | BSP_AUDIO_IN_Record (uint16_t *pbuf, uint32_t size) |
| Starts audio recording. More... | |
| uint8_t | BSP_AUDIO_IN_Resume (void) |
| Resumes the audio file stream. More... | |
| uint8_t | BSP_AUDIO_IN_SetVolume (uint8_t Volume) |
| Controls the audio in volume level. More... | |
| uint8_t | BSP_AUDIO_IN_Stop (void) |
| Stops audio recording. More... | |
| __weak void | BSP_AUDIO_IN_TransferComplete_CallBack (void) |
| User callback when record buffer is filled. More... | |
| void | BSP_AUDIO_OUT_ChangeAudioConfig (uint32_t AudioOutOption) |
| Changes the Audio Out Configuration. More... | |
| void | BSP_AUDIO_OUT_ChangeBuffer (uint16_t *pData, uint16_t Size) |
| Sends n-Bytes on the SAI interface. More... | |
| __weak void | BSP_AUDIO_OUT_ClockConfig (SAI_HandleTypeDef *hsai, uint32_t AudioFreq, void *Params) |
| Clock Config. More... | |
| void | BSP_AUDIO_OUT_DeInit (void) |
| Deinit the audio peripherals. More... | |
| __weak void | BSP_AUDIO_OUT_Error_CallBack (void) |
| Manages the DMA FIFO error event. More... | |
| __weak void | BSP_AUDIO_OUT_HalfTransfer_CallBack (void) |
| Manages the DMA Half Transfer complete event. More... | |
| uint8_t | BSP_AUDIO_OUT_Init (uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq) |
| Configures the audio peripherals. More... | |
| __weak void | BSP_AUDIO_OUT_MspDeInit (SAI_HandleTypeDef *hsai, void *Params) |
| Deinitializes BSP_AUDIO_OUT MSP. More... | |
| __weak void | BSP_AUDIO_OUT_MspInit (SAI_HandleTypeDef *hsai, void *Params) |
| Initializes BSP_AUDIO_OUT MSP. More... | |
| uint8_t | BSP_AUDIO_OUT_Pause (void) |
| This function Pauses the audio file stream. In case of using DMA, the DMA Pause feature is used. More... | |
| uint8_t | BSP_AUDIO_OUT_Play (uint16_t *pBuffer, uint32_t Size) |
| Starts playing audio stream from a data buffer for a determined size. More... | |
| uint8_t | BSP_AUDIO_OUT_Resume (void) |
| This function Resumes the audio file stream. WARNING: When calling BSP_AUDIO_OUT_Pause() function for pause, only BSP_AUDIO_OUT_Resume() function should be called for resume (use of BSP_AUDIO_OUT_Play() function for resume could lead to unexpected behavior). More... | |
| void | BSP_AUDIO_OUT_SetAudioFrameSlot (uint32_t AudioFrameSlot) |
| Updates the Audio frame slot configuration. More... | |
| void | BSP_AUDIO_OUT_SetFrequency (uint32_t AudioFreq) |
| Updates the audio frequency. More... | |
| uint8_t | BSP_AUDIO_OUT_SetMute (uint32_t Cmd) |
| Enables or disables the MUTE mode by software. More... | |
| uint8_t | BSP_AUDIO_OUT_SetOutputMode (uint8_t Output) |
| Switch dynamically (while audio file is being played) the output target (speaker or headphone). More... | |
| uint8_t | BSP_AUDIO_OUT_SetVolume (uint8_t Volume) |
| Controls the current audio volume level. More... | |
| uint8_t | BSP_AUDIO_OUT_Stop (uint32_t Option) |
| Stops audio playing and Power down the Audio Codec. More... | |
| __weak void | BSP_AUDIO_OUT_TransferComplete_CallBack (void) |
| Manages the DMA full Transfer complete event. More... | |
| void | HAL_I2S_ErrorCallback (I2S_HandleTypeDef *hi2s) |
| I2S error callbacks. More... | |
| void | HAL_I2S_RxCpltCallback (I2S_HandleTypeDef *hi2s) |
| Rx Transfer completed callbacks. More... | |
| void | HAL_I2S_RxHalfCpltCallback (I2S_HandleTypeDef *hi2s) |
| Rx Half Transfer completed callbacks. More... | |
| void | HAL_SAI_ErrorCallback (SAI_HandleTypeDef *hsai) |
| SAI error callbacks. More... | |
| void | HAL_SAI_TxCpltCallback (SAI_HandleTypeDef *hsai) |
| Tx Transfer completed callbacks. More... | |
| void | HAL_SAI_TxHalfCpltCallback (SAI_HandleTypeDef *hsai) |
| Tx Half Transfer completed callbacks. More... | |
| static void | I2Sx_DeInit (void) |
| Deinitializes the Audio Codec audio interface (I2S). More... | |
| static void | I2Sx_Init (uint32_t AudioFreq) |
| Initializes the Audio Codec audio interface (I2S) More... | |
| static void | PDMDecoder_Init (uint32_t AudioFreq, uint32_t ChnlNbrIn, uint32_t ChnlNbrOut) |
| Initializes the PDM library. More... | |
| static void | SAIx_DeInit (void) |
| Deinitializes the Audio Codec audio interface (SAI). More... | |
| static uint8_t | SAIx_Init (uint32_t AudioFreq) |
| Initializes the Audio Codec audio interface (SAI). More... | |
| static void | TIMx_DeInit (void) |
| Configure TIM as a clock divider by 2. I2S_SCK is externally connected to TIMx input channel. More... | |
| static void | TIMx_IC_MspDeInit (TIM_HandleTypeDef *htim) |
| Initializes the TIM INput Capture MSP. More... | |
| static void | TIMx_IC_MspInit (TIM_HandleTypeDef *htim) |
| Initializes the TIM INput Capture MSP. More... | |
| static void | TIMx_Init (void) |
| Configure TIM as a clock divider by 2. I2S_SCK is externally connected to TIMx input channel. More... | |
Variables | |
| AUDIO_DrvTypeDef * | audio_drv |
| uint16_t __IO | AudioInVolume = DEFAULT_AUDIO_IN_VOLUME |
| uint8_t | Channel_Demux [128] |
| I2S_HandleTypeDef | haudio_in_i2s |
| SAI_HandleTypeDef | haudio_out_sai |
| TIM_HandleTypeDef | haudio_tim |
| PDM_Filter_Config_t | PDM_FilterConfig [2] |
| PDM_Filter_Handler_t | PDM_FilterHandler [2] |
Detailed Description
This file provides the Audio driver for the STM32469I-Discovery board.
- Version
- V2.0.0
- Date
- 27-January-2017
- Attention
© COPYRIGHT(c) 2017 STMicroelectronics
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
- Neither the name of STMicroelectronics nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Definition in file stm32469i_discovery_audio.c.