C1 音频拓扑: Windows/ChromeOS 收集脚本与 README 更新
- 新增 collect_windows_audio_topology.ps1 (C1b) - 新增 collect_chromeos_audio_topology.sh (C1c) - README 标注 C1/C1a/C1b 完成，补充 C1c 说明与验证步骤 - audio_topology/README 补充 Windows/ChromeOS 用法与脚本验证说明 - 附一份 Windows 拓扑收集示例输出 Co-authored-by: Cursor <cursoragent@cursor.com>
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audio_topology/collect_chromeos_audio_topology.sh
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117
audio_topology/collect_chromeos_audio_topology.sh
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#!/bin/bash
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#
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# Chromebox 10 代 - 原生 ChromeOS 音频硬件拓扑收集脚本
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# 用于 C1c 任务：在原生 ChromeOS 下收集硬件拓扑，供与 Coreboot+Linux/Windows 对比
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#
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# 用法（在 ChromeOS 上）:
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# 1. 打开 crosh：浏览器按 Ctrl+Alt+T
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# 2. 输入 shell 进入 bash
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# 3. 将本脚本传到设备后运行，或把下面整段复制粘贴到 shell 中执行
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#
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# 输出：默认写入 /tmp/audio_topology_chromeos_$(hostname)_$(date).txt
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# 请用 文件 应用打开 /tmp 复制到下载目录，或 cat 该文件复制内容到电脑
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#
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# 注意：ChromeOS 使用 CRAS，无 PulseAudio；部分信息需在浏览器打开 chrome://system
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# 在「audio」一节可复制粘贴到本输出文件末尾作为补充
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set -e
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OUTPUT_DIR="${OUTPUT_DIR:-/tmp}"
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OUTPUT="${1:-${OUTPUT_DIR}/audio_topology_chromeos_$(hostname)_$(date +%Y%m%d_%H%M%S).txt}"
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log() { echo "[$(date +%H:%M:%S)] $*"; }
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section() {
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echo "" >> "$OUTPUT"
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echo "========================================" >> "$OUTPUT"
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echo "### $1" >> "$OUTPUT"
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echo "========================================" >> "$OUTPUT"
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echo "" >> "$OUTPUT"
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}
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run_cmd() {
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local desc="$1"
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shift
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echo "# $desc" >> "$OUTPUT"
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echo '```' >> "$OUTPUT"
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"$@" >> "$OUTPUT" 2>&1 || echo "(command failed or not available)" >> "$OUTPUT"
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echo '```' >> "$OUTPUT"
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echo "" >> "$OUTPUT"
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}
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log "Collecting ChromeOS audio topology..."
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log "Output: $OUTPUT"
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: > "$OUTPUT"
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echo "# Chromebox 10 - ChromeOS (native) audio topology" >> "$OUTPUT"
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echo "# Collected: $(date -Iseconds 2>/dev/null || date)" >> "$OUTPUT"
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echo "# Host: $(hostname)" >> "$OUTPUT"
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echo "# Note: Add content from chrome://system -> audio section manually if needed." >> "$OUTPUT"
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echo "" >> "$OUTPUT"
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# --- System ---
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section "System"
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run_cmd "uname -a" uname -a
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run_cmd "Release (if exists)" cat /etc/lsb-release 2>/dev/null || true
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# --- ALSA (kernel layer, CRAS sits on top) ---
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section "ALSA /proc/asound"
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run_cmd "cat /proc/asound/cards" cat /proc/asound/cards 2>/dev/null || echo "(no /proc/asound/cards)" >> "$OUTPUT"
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run_cmd "cat /proc/asound/pcm" cat /proc/asound/pcm 2>/dev/null || true
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run_cmd "ls -la /proc/asound" ls -la /proc/asound 2>/dev/null || true
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for card_dir in /proc/asound/card[0-9]*; do
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[ -d "$card_dir" ] || continue
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card=$(basename "$card_dir")
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echo "# $card dir:" >> "$OUTPUT"
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echo '```' >> "$OUTPUT"
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ls -la "$card_dir" 2>/dev/null >> "$OUTPUT" || true
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echo '```' >> "$OUTPUT"
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done
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# --- Codec (HDA) ---
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section "HDA Codec"
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for codec in /proc/asound/card*/codec*; do
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[ -f "$codec" ] || continue
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echo "# $codec" >> "$OUTPUT"
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echo '```' >> "$OUTPUT"
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cat "$codec" 2>/dev/null >> "$OUTPUT" || true
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echo '```' >> "$OUTPUT"
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done
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# --- HDMI ELD ---
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section "HDMI ELD"
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for eld in /proc/asound/card*/eld*; do
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[ -f "$eld" ] || continue
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echo "# $eld" >> "$OUTPUT"
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echo '```' >> "$OUTPUT"
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cat "$eld" 2>/dev/null >> "$OUTPUT" || true
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echo '```' >> "$OUTPUT"
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done
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# --- sysfs sound ---
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section "/sys/class/sound"
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run_cmd "ls -la /sys/class/sound" ls -la /sys/class/sound 2>/dev/null || true
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# --- PCI (if available) ---
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section "PCI audio (if lspci exists)"
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if command -v lspci &>/dev/null; then
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run_cmd "lspci -nn | grep -i audio" bash -c "lspci -nn | grep -i audio || echo '(none)'"
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else
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echo "# lspci not available on this ChromeOS image" >> "$OUTPUT"
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echo "" >> "$OUTPUT"
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fi
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# --- CRAS / ALSA utils (if present) ---
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section "Audio tools (optional)"
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run_cmd "which cras_test aplay amixer" bash -c "which cras_test aplay amixer 2>/dev/null || true"
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if command -v cras_test &>/dev/null; then
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run_cmd "cras_test --help 2>&1 | head -5" bash -c "cras_test --help 2>&1 | head -5" || true
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fi
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# --- DMI / board (if readable) ---
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section "Board (DMI-like)"
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for f in /sys/class/dmi/id/board_name /sys/class/dmi/id/product_name /sys/class/dmi/id/sys_vendor; do
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[ -f "$f" ] && echo "$f: $(cat "$f" 2>/dev/null)" >> "$OUTPUT"
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done
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log "Done. Output: $OUTPUT"
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log "Copy this file to your PC and save under audio_topology/collected/"
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