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/network-client/provisioning-client.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+# Run this script on a reTerminal that has booted over the network (or any Pi with network).
+# It registers with the provisioning dashboard and waits for Backup or Deploy, then performs the action.
+# Usage: PROVISIONING_SERVER=http://192.168.1.10:5000 ./provisioning-client.sh
+# Requires: curl, and for deploy/backup: enough space and write access to eMMC (e.g. /dev/mmcblk0).
+
+set -e
+BASE_URL="${PROVISIONING_SERVER:-http://192.168.1.10:5000}"
+BASE_URL="${BASE_URL%/}"
+EMMC_DEV="${EMMC_DEV:-/dev/mmcblk0}"
+MAC=$(cat /sys/class/net/eth0/address 2>/dev/null || cat /sys/class/net/enp*/address 2>/dev/null | head -1 || echo "unknown")
+IP=$(hostname -I 2>/dev/null | awk '{print $1}' || echo "")
+
+echo "Registering with $BASE_URL (MAC=$MAC IP=$IP)..."
+curl -s -X POST -H "Content-Type: application/json" -d "{\"mac\":\"$MAC\",\"ip\":\"$IP\"}" "$BASE_URL/api/register-device" || true
+
+echo "Polling for action (Backup or Deploy)..."
+while true; do
+  resp=$(curl -s "$BASE_URL/api/device-action-poll?mac=$MAC" 2>/dev/null || echo '{"action":"wait"}')
+  action=$(echo "$resp" | grep -o '"action":"[^"]*"' | cut -d'"' -f4)
+  url=$(echo "$resp" | grep -o '"url":"[^"]*"' | cut -d'"' -f4)
+  upload_url=$(echo "$resp" | grep -o '"upload_url":"[^"]*"' | cut -d'"' -f4)
+
+  if [[ "$action" == "deploy" && -n "$url" ]]; then
+    echo "Deploy: downloading image and writing to $EMMC_DEV..."
+    if [[ ! -b "$EMMC_DEV" ]]; then
+      echo "Error: $EMMC_DEV not found"
+      sleep 10
+      continue
+    fi
+    curl -sL "$url" | dd of="$EMMC_DEV" bs=4M status=progress conv=fsync
+    echo "Deploy done. Reboot to run from eMMC."
+    exit 0
+  fi
+
+  if [[ "$action" == "backup" && -n "$upload_url" ]]; then
+    echo "Backup: reading $EMMC_DEV and uploading..."
+    if [[ ! -b "$EMMC_DEV" ]]; then
+      echo "Error: $EMMC_DEV not found"
+      sleep 10
+      continue
+    fi
+    dd if="$EMMC_DEV" bs=4M status=progress 2>/dev/null | curl -s -X POST -T - "$upload_url"
+    echo "Backup done."
+    exit 0
+  fi
+
+  sleep 5
+done