reticulum - Added support for flashing the RNode firmware on a Heltec v4 offline

REGRESSION.md

@@ -140,7 +140,8 @@
 ## LoRa
 
 * [ ] LoRa listed in Conky
-* [ ] Heltec v4 PnP
+* [ ] Heltec v4 PnP (/dev/et-lora)
+  * [ ] Offline firmware: rnodeconf --autoinstall --nocheck --fw-version 1.86 
 * [ ] et-reticulum
   * [ ] All blueprints
   * [ ] All permutations of radios and LoRa connected/disconnected

scripts/install-offline-rnode-firmware.json

@@ -0,0 +1,9 @@
+[
+  {
+    "url": "https://github.com/markqvist/RNode_Firmware/releases/download/1.86/rnode_firmware_heltec32v4pa.zip",
+    "file": "rnode_firmware_heltec32v4pa.zip",
+    "dir": "update/1.86",
+    "version": "1.86",
+    "hash": "75ed47d6a4259e9d073cda680b7323eda420659e117ca4ce42c119b2c9513805"
+  }
+]

scripts/install-offline-rnode-firmware.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+# Author  : Gaston Gonzalez
+# Date    : 2 July 2026
+# Purpose : Cache supported RNode firmware for offline installs using:
+#
+#           rnodeconf --autoinstall --nocheck --fw-version VERSION
+#
+# Here are the supported devices and the command to install the firmware
+# offline.
+#
+# Heltec LoRa32 v4
+# $ rnodeconf --autoinstall --nocheck --fw-version 1.86
+
+set -e
+trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG
+trap 'et-log "\"${last_command}\" command failed with exit code $?."' ERR
+
+. ./env.sh
+. ../overlay/opt/emcomm-tools/bin/et-common
+
+et-log "Installing offline RNode firmware..."
+
+OFFLINE_FILES_JSON="install-offline-rnode-firmware.json"
+OFFLINE_SAVE_DIR="/etc/skel/.config/rnodeconf"
+OFFLINE_UPDATE_DIR="/etc/skel/.config/rnodeconf/update"
+
+[[ ! -e "${OFFLINE_SAVE_DIR}" ]] && mkdir -v -p ${OFFLINE_SAVE_DIR}
+
+jq -c '.[]' "${OFFLINE_FILES_JSON}" | while read -r item; do
+  URL=$(echo "$item" | jq -r '.url')
+  FILE=$(echo "$item" | jq -r '.file')
+  DIR=$(echo "$item" | jq -r '.dir')
+  VERSION=$(echo "$item" | jq -r '.version')
+  HASH=$(echo "$item" | jq -r '.hash')
+  ABS_DIR="${OFFLINE_SAVE_DIR}/${DIR}"
+
+  # 1. Create missing directories
+  mkdir -v -p "${ABS_DIR}"
+
+  # 2. Download resources
+  download_with_retries ${URL} ${FILE}
+
+  # 3. Move to offline folder
+  mv "${FILE}" "${ABS_DIR}/"
+
+  # 4. Create version file
+  VERSION_FILE="${OFFLINE_UPDATE_DIR}/${VERSION}/${FILE}.version"
+  et-log "Creating firmware version file: ${VERSION_FILE}"
+  echo "${VERSION} ${HASH}" > ${VERSION_FILE}
+done

scripts/install.sh

@@ -122,6 +122,7 @@ exitIfNotRoot
 ./install-reticulum.sh
 ./install-meshchat.sh
 ./install-modem73.sh
+./install-offline-rnode-firmware.sh
 
 # Debrand Ubuntu
 ./debrand.sh