Fluid Ardule Setup Log (PCM5102A + UNO Verification)

2026-04-07

dtparam=audio=off
dtparam=i2s=on
dtoverlay=hifiberry-dac

aplay -l

결과:

card 1: sndrpihifiberry
device 0

문제: - hw:0,0 → 실패 - hw:1,0 → dmix 오류

해결:

ogg123 -d alsa -o device=plughw:1,0 Bond.ogg

또는

ogg123 Bond.ogg

pcm.softvol {
    type softvol
    slave.pcm "hw:CARD=sndrpihifiberry,DEV=0"
    control {
        name "PCM"
        card sndrpihifiberry
    }
}

pcm.!default {
    type plug
    slave.pcm "softvol"
}

ctl.!default {
    type hw
    card sndrpihifiberry
}

amixer set PCM 70%

시리얼 출력:

BTN:UP
BTN:SEL_LP
ENC:+1
POT:523

• I2S DAC 정상 동작
• ALSA 설정 완료
• UNO 입력 정상