STM32373C_EVAL BSP User Manual: stm32373c_eval_audio.c File Reference

STM32373C EVAL BSP Drivers

stm32373c_eval_audio.c File Reference

This file provides the Audio driver for the STM32373C_EVAL evaluation board(MB988). More...

Go to the source code of this file.

Functions

static void I2Sx_MspInit (void)
 AUDIO OUT I2S MSP Init.
static AUDIO_StatusTypeDef I2Sx_Init (uint32_t AudioFreq)
 Initializes the Audio Codec audio interface (I2S)
uint8_t BSP_AUDIO_OUT_Init (uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq)
 Configure the audio peripherals.
uint8_t BSP_AUDIO_OUT_Play (uint16_t *pBuffer, uint32_t Size)
 Starts playing audio stream from a data buffer for a determined size.
uint8_t BSP_AUDIO_OUT_ChangeBuffer (uint16_t *pData, uint16_t Size)
 Sends n-Bytes on the I2S interface.
uint8_t BSP_AUDIO_OUT_Pause (void)
 This function Pauses the audio file stream.
uint8_t BSP_AUDIO_OUT_Resume (void)
 This function Resumes the audio file stream.
uint8_t BSP_AUDIO_OUT_Stop (uint32_t Option)
 Stops audio playing and Power down the Audio Codec.
uint8_t BSP_AUDIO_OUT_SetVolume (uint8_t Volume)
 Controls the current audio volume level.
uint8_t BSP_AUDIO_OUT_SetMute (uint32_t Cmd)
 Enables or disables the MUTE mode by software.
uint8_t BSP_AUDIO_OUT_SetOutputMode (uint8_t Output)
 Switch dynamically (while audio file is played) the output target (speaker or headphone).
uint8_t BSP_AUDIO_OUT_SetFrequency (uint32_t AudioFreq)
 Update the audio frequency.
void HAL_I2S_TxCpltCallback (I2S_HandleTypeDef *hi2s)
 Tx Transfer completed callbacks.
void HAL_I2S_TxHalfCpltCallback (I2S_HandleTypeDef *hi2s)
 Tx Transfer Half completed callbacks.
void HAL_I2S_ErrorCallback (I2S_HandleTypeDef *hi2s)
 I2S error callbacks.
__weak void BSP_AUDIO_OUT_TransferComplete_CallBack (void)
 Manages the DMA full Transfer complete event.
__weak void BSP_AUDIO_OUT_HalfTransfer_CallBack (void)
 Manages the DMA Half Transfer complete event.
__weak void BSP_AUDIO_OUT_Error_CallBack (void)
 Audio OUT Error callback function.

Variables

static AUDIO_DrvTypeDef * pAudioDrv = NULL
I2S_HandleTypeDef hAudioOutI2s

Detailed Description

This file provides the Audio driver for the STM32373C_EVAL evaluation board(MB988).

Author:
MCD Application Team
Attention:

© COPYRIGHT(c) 2016 STMicroelectronics

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of STMicroelectronics nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file stm32373c_eval_audio.c.

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