usbd_audio_if.c

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/* Includes ------------------------------------------------------------------*/
#include "usbd_audio_if.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static int8_t Audio_Init(uint32_t  AudioFreq, uint32_t BitRes, uint32_t ChnlNbr);
static int8_t Audio_DeInit(uint32_t options);
static int8_t Audio_Record(void);
static int8_t Audio_VolumeCtl(int16_t Volume);
static int8_t Audio_MuteCtl(uint8_t cmd);
static int8_t Audio_Stop(void);
static int8_t Audio_Pause(void);
static int8_t Audio_Resume(void);
static int8_t Audio_CommandMgr(uint8_t cmd);

/* Private variables ---------------------------------------------------------*/
extern USBD_HandleTypeDef hUSBDDevice;
USBD_AUDIO_ItfTypeDef USBD_AUDIO_fops = {
  Audio_Init,
  Audio_DeInit,
  Audio_Record,
  Audio_VolumeCtl,
  Audio_MuteCtl,
  Audio_Stop,
  Audio_Pause,
  Audio_Resume,
  Audio_CommandMgr,
};


/* Private functions ---------------------------------------------------------*/
static int8_t Audio_Init(uint32_t  AudioFreq, uint32_t BitRes, uint32_t ChnlNbr)
{

  return AUDIO_OK;
}

static int8_t Audio_DeInit(uint32_t options)
{
  return AUDIO_OK;
}

static int8_t Audio_Record(void)
{
  return AUDIO_OK;
}

static int8_t Audio_VolumeCtl(int16_t Volume)
{
  return AUDIO_OK;

}

static int8_t Audio_MuteCtl(uint8_t cmd)
{
  return AUDIO_OK;
}


static int8_t Audio_Stop(void)
{  
  return AUDIO_OK;
}

static int8_t Audio_Pause(void)
{
  return 0;
}


static int8_t Audio_Resume(void)
{  
  return AUDIO_OK;
}

static int8_t Audio_CommandMgr(uint8_t cmd)
{
  return AUDIO_OK;
}
void Send_Audio_to_USB(int16_t * audioData, uint16_t PCMSamples){
  
  USBD_AUDIO_Data_Transfer(&hUSBDDevice, (int16_t *)audioData, PCMSamples);
}









/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/