12.2. AIΒΆ
Debugging Information
/ # cat /proc/audio_debug/cviteka_adc ------------- CVI AI ATTRIBUTE ------------- AiDev Workmode SampleRate BitWidth 0 slave 128000 16 ------------- CVI AI STATUS ------------- I2S0 is off SDMA clk is off ADC is off (0) L-Mute R-Mute no no L-Vol R-Vol 0 0 Debugging Information Analysis
recordcurrentAudio inputDeviceParameterandStatusInformation.
Parameter Description
Parameter | Description |
|---|---|
AiDev | AIDevice number |
Workmode | AIOperating mode: master: I2S master mode slave: I2SfromMode |
SampleRate | Sample rate. Range [8k ~ 48K] |
BitWidth | Sampling precision. Range: [16bit] |
I2S0 | I2S status for ADC codec connection on: Enable off: Close |
SDMA clk | sysDMA clockStatus on: Enable off: Close |
ADC | ADC codec Status 0x0: Close 0x3: Enable |
L-Mute | leftAudio ChannelMuteMode: yes: MuteModeEnable no: MuteModeClose |
R-Mute | rightAudio ChannelMuteMode: yes: MuteModeEnable no: MuteModeClose |
L-Vol | leftAudio Channel. Range [0~24] |
R-Vol | rightAudio Channel. Range [0~24] |