コード例 #1
0
ファイル: cs43l22.c プロジェクト: apmKrauser/RCU_FW
/**
  * @brief Resumes playing on the audio codec.
  * @param DeviceAddr: Device address on communication Bus. 
  * @retval 0 if correct communication, else wrong communication
  */
uint32_t cs43l22_Resume(uint16_t DeviceAddr)
{
  uint32_t counter = 0;
  volatile uint32_t index = 0x00;
  /* Resumes the audio file playing */  
  /* Unmute the output first */
  counter += cs43l22_SetMute(DeviceAddr, AUDIO_MUTE_OFF);

  for(index = 0x00; index < 0xFF; index++);
  
  counter += CODEC_IO_Write(DeviceAddr,0x04, OutputDev);

  /* Exit the Power save mode */
  counter += CODEC_IO_Write(DeviceAddr,0x02, 0x9E); 
  
  return counter;
}
コード例 #2
0
ファイル: cs43l22.c プロジェクト: apmKrauser/RCU_FW
/**
  * @brief Start the audio Codec play feature.
  * @note For this codec no Play options are required.
  * @param DeviceAddr: Device address on communication Bus.   
  * @retval 0 if correct communication, else wrong communication
  */
uint32_t cs43l22_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size)
{
  uint32_t counter = 0;
  
  if(Is_cs43l22_Stop == 1)
  {
    /* Enable Output device */  
    counter += cs43l22_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
    
    /* Power on the Codec */
    counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x9E);  
    Is_cs43l22_Stop = 0;
  }
  
  /* Return communication control value */
  return counter;  
}
コード例 #3
0
ファイル: cs43l22.c プロジェクト: Jegeva/STM32F469-Discovery
/**
  * @brief Start the audio Codec play feature.
  * @note For this codec no Play options are required.
  * @param DeviceAddr: Device address on communication Bus.   
  * @retval 0 if correct communication, else wrong communication
  */
uint32_t cs43l22_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size)
{
  uint32_t counter = 0;
  
  if(Is_cs43l22_Stop == 1)
  {
    /* Enable the digital soft ramp */
    counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_MISC_CTL, 0x06);
  
    /* Enable Output device */  
    counter += cs43l22_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
    
    /* Power on the Codec */
    counter += CODEC_IO_Write(DeviceAddr, CS43L22_REG_POWER_CTL1, 0x9E);  
    Is_cs43l22_Stop = 0;
  }
  
  /* Return communication control value */
  return counter;  
}