stm324xg_eval_audio.h File Reference

This file contains the common defines and functions prototypes for the stm324xg_eval_audio.c driver. More...

#include "../Components/cs43l22/cs43l22.h" #include "stm324xg_eval.h"

Go to the source code of this file.

Defines
#define	AUDIO_RESET_PIN   IO_PIN_2
#define	AUDIO_I2Sx   SPI2
#define	AUDIO_I2Sx_CLK_ENABLE()   __SPI2_CLK_ENABLE()
#define	AUDIO_I2Sx_SCK_SD_WS_AF   GPIO_AF5_SPI2
#define	AUDIO_I2Sx_SCK_SD_WS_CLK_ENABLE()   __GPIOI_CLK_ENABLE()
#define	AUDIO_I2Sx_MCK_CLK_ENABLE()   __GPIOC_CLK_ENABLE()
#define	AUDIO_I2Sx_WS_PIN   GPIO_PIN_0
#define	AUDIO_I2Sx_SCK_PIN   GPIO_PIN_1
#define	AUDIO_I2Sx_SD_PIN   GPIO_PIN_3
#define	AUDIO_I2Sx_MCK_PIN   GPIO_PIN_6
#define	AUDIO_I2Sx_SCK_SD_WS_GPIO_PORT   GPIOI
#define	AUDIO_I2Sx_MCK_GPIO_PORT   GPIOC
#define	AUDIO_I2Sx_DMAx_CLK_ENABLE()   __DMA1_CLK_ENABLE()
#define	AUDIO_I2Sx_DMAx_STREAM   DMA1_Stream4
#define	AUDIO_I2Sx_DMAx_CHANNEL   DMA_CHANNEL_0
#define	AUDIO_I2Sx_DMAx_IRQ   DMA1_Stream4_IRQn
#define	AUDIO_I2Sx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_HALFWORD
#define	AUDIO_I2Sx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_HALFWORD
#define	DMA_MAX_SZE   0xFFFF
#define	AUDIO_I2Sx_DMAx_IRQHandler   DMA1_Stream4_IRQHandler
#define	AUDIO_IRQ_PREPRIO   5 /* Select the preemption priority level(0 is the highest) */
#define	AUDIODATA_SIZE   2 /* 16-bits audio data size */
#define	AUDIO_OK   0x00
#define	AUDIO_ERROR   0x01
#define	AUDIO_TIMEOUT   0x02
#define	CODEC_RESET_DELAY   5
#define	DMA_MAX(x)   (((x) <= DMA_MAX_SZE)? (x):DMA_MAX_SZE)
Functions
uint8_t	BSP_AUDIO_OUT_Init (uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq)
	Configures 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.
void	BSP_AUDIO_OUT_ChangeBuffer (uint16_t *pData, uint16_t Size)
	Sends n-Bytes on the I2S interface.
uint8_t	BSP_AUDIO_OUT_Pause (void)
	Pauses the audio file stream.
uint8_t	BSP_AUDIO_OUT_Resume (void)
	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.
void	BSP_AUDIO_OUT_SetFrequency (uint32_t AudioFreq)
	Updates the audio frequency.
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).
void	BSP_AUDIO_OUT_TransferComplete_CallBack (void)
	Manages the DMA full Transfer complete event.
void	BSP_AUDIO_OUT_HalfTransfer_CallBack (void)
	Manages the DMA Half Transfer complete event.
void	BSP_AUDIO_OUT_Error_CallBack (void)
	Manages the DMA FIFO error event.

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Detailed Description

This file contains the common defines and functions prototypes for the stm324xg_eval_audio.c driver.

Author:

MCD Application Team

Version:

V2.2.1

Date:

15-January-2016

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 stm324xg_eval_audio.h.