Remove obsolete audio and buzzer control documentation files, including detailed guides and HTML interfaces, to streamline the repository and eliminate redundancy. This cleanup enhances maintainability and focuses on essential resources for the reTerminal DM4 audio and buzzer functionalities.

emmc-provisioning/scripts/install-usbboot-on-host.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Run on the Proxmox HOST (root) when the host has internet.
+# Builds usbboot (rpiboot) and installs to /opt/usbboot so the auto-flash can run.
+# If the host has no internet, run build-and-deploy-usbboot-to-host.sh from your Fedora machine instead.
+
+set -e
+apt-get update
+apt-get install -y libusb-1.0-0-dev git pkg-config build-essential
+cd /tmp
+rm -rf usbboot
+git clone --recurse-submodules --shallow-submodules --depth=1 https://github.com/raspberrypi/usbboot
+cd usbboot
+make
+mkdir -p /opt/usbboot
+cp rpiboot /opt/usbboot/
+# Copy gadget dir(s) so rpiboot -d works
+for dir in mass-storage-gadget64 mass-storage-gadget; do
+  [[ -d "$dir" ]] && cp -a "$dir" /opt/usbboot/
+done
+echo "usbboot installed at /opt/usbboot/rpiboot"
+
+# If rpiboot later fails with "No bootcode files" (broken symlinks in gadget), fix-gadget repairs it.
+# Run it now; prefer copy in /opt (from deploy) or in deploy dir.
+for fix in /opt/cm4-provisioning/fix-gadget-bootcode-on-host.sh /tmp/emmc-provisioning-deploy/scripts/fix-gadget-bootcode-on-host.sh; do
+  if [[ -f "$fix" ]]; then
+    echo "Running fix-gadget-bootcode-on-host.sh to ensure gadget has valid boot files..."
+    bash "$fix" || true
+    break
+  fi
+done