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/cloud-init/set-rotation-once.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+# One-shot: set reTerminal DM (labwc/Wayland) rotation to Left via wlr-randr, then remove self.
+# Runs once as user pi at first login; deletes its autostart and this script so it never runs again.
+# Logs to /var/log/first-boot.log.
+FIRST_BOOT_LOG="/var/log/first-boot.log"
+log() { echo "[$(date -Iseconds)] [set-rotation-once] $*" >> "$FIRST_BOOT_LOG" 2>/dev/null || true; }
+
+log "started (labwc/wlr-randr)"
+log "waiting 5s for compositor ..."
+sleep 5
+
+OUTPUT=""
+if command -v wlr-randr &>/dev/null; then
+  OUTPUT=$(wlr-randr 2>/dev/null | awk '/^[A-Za-z0-9_-]+ /{print $1; exit}')
+fi
+if [[ -z "$OUTPUT" ]]; then
+  OUTPUT="DSI-1"
+  log "using default output: $OUTPUT"
+fi
+
+if [[ -n "$OUTPUT" ]] && command -v wlr-randr &>/dev/null; then
+  log "applying rotation left (transform 270) on $OUTPUT"
+  wlr-randr --output "$OUTPUT" --transform 270 2>&1 | while read -r line; do log "$line"; done
+else
+  log "WARNING: wlr-randr not found or no output"
+fi
+
+log "removing one-shot desktop and script"
+rm -f /home/pi/.config/autostart/set-rotation-once.desktop /home/pi/set-rotation-once.sh
+log "finished"