Exported Constants

Modules
	BSP Audio Out Option
	BSP Audio Sample Rate
Defines
#define	DMA_MAX_SZE   (uint32_t)0xFFFF
#define	AUDIO_SAIx_PLL_DISABLE()   HAL_RCCEx_DisablePLLSAI1()
#define	AUDIODATA_SIZE   2 /* 16-bits audio data size */
#define	AUDIO_OK   0
#define	AUDIO_ERROR   1
#define	AUDIO_TIMEOUT   2
#define	DEFAULT_AUDIO_OUT_FREQ   BSP_AUDIO_FREQUENCY_48K
#define	DEFAULT_AUDIO_OUT_BIT_RESOLUTION   ((uint8_t)16)
#define	DEFAULT_AUDIO_OUT_CHANNEL_NBR   ((uint8_t)2) /* Mono = 1, Stereo = 2 */
#define	DEFAULT_AUDIO_OUT_VOLUME   ((uint16_t)80)
#define	DEFAULT_AUDIO_IN_FREQ   BSP_AUDIO_FREQUENCY_16K
#define	DEFAULT_AUDIO_IN_BIT_RESOLUTION   16
#define	DEFAULT_AUDIO_IN_CHANNEL_NBR   1 /* Mono = 1, Stereo = 2 */
#define	DEFAULT_AUDIO_IN_VOLUME   80
#define	CODEC_RESET_DELAY   5
#define	INPUT_DEVICE_DIGITAL_MIC1   0x20 /* Left microphone */
#define	INPUT_DEVICE_DIGITAL_MIC2   0x40 /* Right microphone */
#define	INPUT_DEVICE_DIGITAL_MIC   (INPUT_DEVICE_DIGITAL_MIC1 | INPUT_DEVICE_DIGITAL_MIC2)
#define	INPUT_DEVICE_ANALOG_MIC   INPUT_DEVICE_MIC1

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Define Documentation

#define AUDIO_ERROR   1

Definition at line 121 of file stm32l4r9i_discovery_audio.h.

Referenced by AUDIO_DFSDMx_DeInit(), AUDIO_DFSDMx_Init(), AUDIO_SAIPLLConfig(), AUDIO_SAIx_DeInit(), AUDIO_SAIx_Init(), BSP_AUDIO_IN_DeInit(), BSP_AUDIO_IN_InitEx(), BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_SetFrequency(), BSP_AUDIO_IN_Stop(), BSP_AUDIO_OUT_ChangeBuffer(), BSP_AUDIO_OUT_DeInit(), BSP_AUDIO_OUT_Init(), BSP_AUDIO_OUT_Pause(), BSP_AUDIO_OUT_Play(), BSP_AUDIO_OUT_Resume(), BSP_AUDIO_OUT_SetFrequency(), BSP_AUDIO_OUT_SetMute(), BSP_AUDIO_OUT_SetOutputMode(), BSP_AUDIO_OUT_SetVolume(), and BSP_AUDIO_OUT_Stop().

#define AUDIO_OK   0

Definition at line 120 of file stm32l4r9i_discovery_audio.h.

Referenced by AUDIO_DFSDMx_DeInit(), AUDIO_DFSDMx_Init(), AUDIO_SAIPLLConfig(), AUDIO_SAIx_DeInit(), AUDIO_SAIx_Init(), BSP_AUDIO_IN_DeInit(), BSP_AUDIO_IN_InitEx(), BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_SetFrequency(), BSP_AUDIO_IN_Stop(), BSP_AUDIO_OUT_ChangeBuffer(), BSP_AUDIO_OUT_DeInit(), BSP_AUDIO_OUT_Init(), BSP_AUDIO_OUT_Pause(), BSP_AUDIO_OUT_Play(), BSP_AUDIO_OUT_Resume(), BSP_AUDIO_OUT_SetFrequency(), BSP_AUDIO_OUT_SetMute(), BSP_AUDIO_OUT_SetOutputMode(), BSP_AUDIO_OUT_SetVolume(), and BSP_AUDIO_OUT_Stop().

#define AUDIO_SAIx_PLL_DISABLE

(

)

HAL_RCCEx_DisablePLLSAI1()

Definition at line 111 of file stm32l4r9i_discovery_audio.h.

Referenced by BSP_AUDIO_IN_DeInit(), and BSP_AUDIO_OUT_DeInit().

#define AUDIO_TIMEOUT   2

Definition at line 122 of file stm32l4r9i_discovery_audio.h.

#define AUDIODATA_SIZE   2 /* 16-bits audio data size */

Definition at line 117 of file stm32l4r9i_discovery_audio.h.

#define CODEC_RESET_DELAY   5

Definition at line 141 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_IN_BIT_RESOLUTION   16

Definition at line 132 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_IN_CHANNEL_NBR   1 /* Mono = 1, Stereo = 2 */

Definition at line 133 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_IN_FREQ   BSP_AUDIO_FREQUENCY_16K

Definition at line 131 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_IN_VOLUME   80

Definition at line 134 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_OUT_BIT_RESOLUTION   ((uint8_t)16)

Definition at line 126 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_OUT_CHANNEL_NBR   ((uint8_t)2) /* Mono = 1, Stereo = 2 */

Definition at line 127 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_OUT_FREQ   BSP_AUDIO_FREQUENCY_48K

Definition at line 125 of file stm32l4r9i_discovery_audio.h.

#define DEFAULT_AUDIO_OUT_VOLUME   ((uint16_t)80)

Definition at line 128 of file stm32l4r9i_discovery_audio.h.

#define DMA_MAX_SZE   (uint32_t)0xFFFF

Definition at line 108 of file stm32l4r9i_discovery_audio.h.

#define INPUT_DEVICE_ANALOG_MIC   INPUT_DEVICE_MIC1

Definition at line 151 of file stm32l4r9i_discovery_audio.h.

Referenced by BSP_AUDIO_IN_DeInit(), BSP_AUDIO_IN_InitEx(), BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_SetFrequency(), BSP_AUDIO_IN_Stop(), BSP_AUDIO_OUT_DeInit(), and BSP_AUDIO_OUT_Init().

#define INPUT_DEVICE_DIGITAL_MIC   (INPUT_DEVICE_DIGITAL_MIC1 | INPUT_DEVICE_DIGITAL_MIC2)

Definition at line 149 of file stm32l4r9i_discovery_audio.h.

Referenced by BSP_AUDIO_IN_Init(), BSP_AUDIO_IN_InitEx(), HAL_DFSDM_FilterRegConvCpltCallback(), and HAL_DFSDM_FilterRegConvHalfCpltCallback().

#define INPUT_DEVICE_DIGITAL_MIC1   0x20 /* Left microphone */

Definition at line 147 of file stm32l4r9i_discovery_audio.h.

Referenced by AUDIO_DFSDMx_DeInit(), AUDIO_DFSDMx_Init(), BSP_AUDIO_IN_InitEx(), BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_Stop(), HAL_DFSDM_ChannelMspDeInit(), HAL_DFSDM_ChannelMspInit(), HAL_DFSDM_FilterRegConvCpltCallback(), and HAL_DFSDM_FilterRegConvHalfCpltCallback().

#define INPUT_DEVICE_DIGITAL_MIC2   0x40 /* Right microphone */

Definition at line 148 of file stm32l4r9i_discovery_audio.h.

Referenced by AUDIO_DFSDMx_DeInit(), AUDIO_DFSDMx_Init(), BSP_AUDIO_IN_InitEx(), BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_Stop(), HAL_DFSDM_ChannelMspDeInit(), HAL_DFSDM_ChannelMspInit(), HAL_DFSDM_FilterMspInit(), HAL_DFSDM_FilterRegConvCpltCallback(), and HAL_DFSDM_FilterRegConvHalfCpltCallback().