STM32756G_EVAL_AUDIO Private Variables

Variables
AUDIO_DrvTypeDef *	audio_drv
SAI_HandleTypeDef	haudio_out_sai
I2S_HandleTypeDef	haudio_in_i2s
TIM_HandleTypeDef	haudio_tim
PDMFilter_InitStruct	Filter [2]
uint8_t	Channel_Demux [128]
uint16_t __IO	AudioInVolume = DEFAULT_AUDIO_IN_VOLUME

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Variable Documentation

AUDIO_DrvTypeDef* audio_drv

Definition at line 136 of file stm32756g_eval_audio.c.

Referenced by BSP_AUDIO_OUT_Init(), BSP_AUDIO_OUT_Pause(), BSP_AUDIO_OUT_Play(), BSP_AUDIO_OUT_Resume(), BSP_AUDIO_OUT_SetMute(), BSP_AUDIO_OUT_SetOutputMode(), BSP_AUDIO_OUT_SetVolume(), BSP_AUDIO_OUT_Stop(), and CODEC_Reset().

uint16_t __IO AudioInVolume = DEFAULT_AUDIO_IN_VOLUME

Definition at line 161 of file stm32756g_eval_audio.c.

Referenced by BSP_AUDIO_IN_PDMToPCM(), and BSP_AUDIO_IN_SetVolume().

uint8_t Channel_Demux[128]

Initial value:

 {
    0x00, 0x01, 0x00, 0x01, 0x02, 0x03, 0x02, 0x03,
    0x00, 0x01, 0x00, 0x01, 0x02, 0x03, 0x02, 0x03,
    0x04, 0x05, 0x04, 0x05, 0x06, 0x07, 0x06, 0x07,
    0x04, 0x05, 0x04, 0x05, 0x06, 0x07, 0x06, 0x07,
    0x00, 0x01, 0x00, 0x01, 0x02, 0x03, 0x02, 0x03,
    0x00, 0x01, 0x00, 0x01, 0x02, 0x03, 0x02, 0x03,
    0x04, 0x05, 0x04, 0x05, 0x06, 0x07, 0x06, 0x07,
    0x04, 0x05, 0x04, 0x05, 0x06, 0x07, 0x06, 0x07,
    0x08, 0x09, 0x08, 0x09, 0x0a, 0x0b, 0x0a, 0x0b,
    0x08, 0x09, 0x08, 0x09, 0x0a, 0x0b, 0x0a, 0x0b,
    0x0c, 0x0d, 0x0c, 0x0d, 0x0e, 0x0f, 0x0e, 0x0f,
    0x0c, 0x0d, 0x0c, 0x0d, 0x0e, 0x0f, 0x0e, 0x0f,
    0x08, 0x09, 0x08, 0x09, 0x0a, 0x0b, 0x0a, 0x0b,
    0x08, 0x09, 0x08, 0x09, 0x0a, 0x0b, 0x0a, 0x0b,
    0x0c, 0x0d, 0x0c, 0x0d, 0x0e, 0x0f, 0x0e, 0x0f,
    0x0c, 0x0d, 0x0c, 0x0d, 0x0e, 0x0f, 0x0e, 0x0f
}

Definition at line 142 of file stm32756g_eval_audio.c.

Referenced by BSP_AUDIO_IN_PDMToPCM().

PDMFilter_InitStruct Filter[2]

Definition at line 141 of file stm32756g_eval_audio.c.

Referenced by BSP_AUDIO_IN_PDMToPCM(), and PDMDecoder_Init().

I2S_HandleTypeDef haudio_in_i2s

Definition at line 138 of file stm32756g_eval_audio.c.

Referenced by BSP_AUDIO_IN_DeInit(), BSP_AUDIO_IN_Init(), BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_Stop(), I2Sx_DeInit(), and I2Sx_Init().

SAI_HandleTypeDef haudio_out_sai

Definition at line 137 of file stm32756g_eval_audio.c.

Referenced by 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_SetAudioFrameSlot(), BSP_AUDIO_OUT_SetFrequency(), BSP_AUDIO_OUT_Stop(), SAIx_DeInit(), and SAIx_Init().

TIM_HandleTypeDef haudio_tim

Definition at line 139 of file stm32756g_eval_audio.c.

Referenced by TIMx_DeInit(), and TIMx_Init().