david
8cd796e3dd
- USB gadget (UAC1 + MIDI) with boot persistence - USB host mode with auto-detection - Pure Data synth patch with ALSA + UDP netreceive MIDI input - MIDI rawmidi-to-UDP bridge (midi-bridge.py) - LED matrix visualization (led-matrix-viz.py via arduino-router RPC) - MCU sketch for LED matrix control (Arduino_RouterBridge + ArduinoGraphics) - Conftest/OPA Rego policy validation suite for .pd files - gen_synth_pd.py: programmatic .pd file generator - System services: midi-bridge, led-matrix-viz, pd-synth-auto, usb-role-detect - Justfile with deploy, enable, diagnostic recipes - Diagnostic script (diag.sh)
39 lines
1.0 KiB
Bash
39 lines
1.0 KiB
Bash
#!/bin/bash
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set -euo pipefail
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# Reset USB controller and re-bind gadget
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UDC="4e00000.usb"
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GADGET="/sys/kernel/config/usb_gadget/g1"
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# Find the driver binding
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DRIVER=""
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for d in /sys/bus/platform/drivers/*/; do
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dname=$(basename "$d")
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if [ -L "$d/$UDC" ] 2>/dev/null; then
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DRIVER="$dname"
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break
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fi
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done
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if [ -z "$DRIVER" ]; then
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# Try looking at the UDC device itself
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UDC_PATH=$(readlink -f /sys/class/udc/$UDC/device 2>/dev/null || echo "")
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if [ -n "$UDC_PATH" ]; then
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DRIVER=$(basename "$(dirname "$UDC_PATH")" 2>/dev/null || echo "")
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fi
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fi
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echo "Driver: ${DRIVER:-unknown}"
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# Unbind
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if [ -n "$DRIVER" ]; then
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echo "$UDC" > "/sys/bus/platform/drivers/$DRIVER/unbind" 2>/dev/null && echo "Unbound" || echo "Unbind failed"
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sleep 2
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echo "$UDC" > "/sys/bus/platform/drivers/$DRIVER/bind" 2>/dev/null && echo "Rebound" || echo "Rebind failed"
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sleep 1
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fi
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# Bind gadget
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echo "$UDC" > "$GADGET/UDC" 2>&1 && echo "Gadget bound" || echo "Gadget bind failed"
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cat /sys/class/udc/$UDC/state
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