12.3. AOΒΆ

Debugging Information

/ # cat /proc/audio_debug/cviteka_dac ------------- CVI AO ATTRIBUTE ------------- AoDev Workmode SampleRate BitWidth  0 master 64000 16 ------------- CVI AO STATUS ------------- I2S3 is off SDMA clk is off DAC is off (0) L-Mute R-Mute  no no L-Vol R-Vol  32 32

Debugging Information Analysis

recordcurrentAudio outputDeviceParameterandStatusInformation.

Parameter Description

Parameter

Description

AoDev

AODevice number

Workmode

AOOperating mode:

master: I2S master mode

slave: I2SfromMode

SampleRate

Sample rate. Range [8k ~ 48K]

BitWidth

Sampling precision. Range: [16bit]

I2S3

I2S status for ADC codec connection

on: Enable

off: Close

SDMA clk

sysDMA clockStatus

on: Enable

off: Close

DAC

DAC codec Status

0x0: Close

0x3: Enable

L-Vol

leftAudio Channel. Range [0~32]

R-Vol

rightAudio Channel. Range [0~32]