NexusPi Git Node
Commit 3157b8e4a8922bfa832032f0976036058448850d
Parents : b3b6cd4
Author : James L <jrl290@gmail.com>
Date : 2026-03-20T23:08:03-04:00
v1.0.23: Show node public hash in WiFi config portal
Add Reticulum destination hash indicator at the top of the captive-portal
config page so users can identify the device.
- Store the 32-char hex destination hash in RTC_NOINIT memory after RNS
starts on a normal boot (survives software reboots into config mode)
- BoundaryConfig.h reads the RTC value and renders a styled hash box at
the top of the HTML page, above the config form
- Falls back to a friendly placeholder if the device has never completed
a normal boot (hash not yet assigned)
- Rebuild precompiled firmware for Heltec V3 and V4 boundary variants
Changes
4 files changed, 38 insertions(+), 2 deletions(-)
Diff
diff --git a/BoundaryConfig.h b/BoundaryConfig.h
index 2b0bca4..a846d59 100755
--- a/BoundaryConfig.h
+++ b/BoundaryConfig.h
@@ -24,6 +24,11 @@
#include <WebServer.h>
#include <DNSServer.h>
+// ─── Node hash (cached in RTC by normal boot, read here without starting RNS) ─
+#define NODE_HASH_RTC_MAGIC 0x504B4841UL
+extern uint32_t rtc_node_hash_magic;
+extern char rtc_node_hash_hex[33];
+
// ─── Config Portal State ─────────────────────────────────────────────────────
static bool config_portal_active = false;
static WebServer* config_server = nullptr;
@@ -126,12 +131,25 @@ static void config_send_html() {
"button:hover{background:#c73e54;}"
".ok{background:#16213e;padding:20px;border-radius:8px;text-align:center;}"
".ok h1{color:#0f0;}"
+ ".node-hash{background:#0f1a30;border:1px solid #0f3460;border-radius:6px;"
+ "padding:10px 14px;margin:0 0 16px;}"
+ ".node-hash .nh-label{display:block;font-size:0.75em;color:#888;margin-bottom:4px;}"
+ ".node-hash code{font-family:monospace;font-size:0.95em;color:#7ecfff;"
+ "word-break:break-all;letter-spacing:0.05em;}"
"</style></head><body>"
"<h1>📡 RNode Boundary Node</h1>"
- "<form method='POST' action='/save'>"
);
- // ── WiFi STA Section ──
+ // ── Node public hash ──
+ html += F("<div class='node-hash'><span class='nh-label'>🔑 Node Hash (Reticulum destination)</span><code>");
+ if (rtc_node_hash_magic == NODE_HASH_RTC_MAGIC && rtc_node_hash_hex[0] != '\0') {
+ html += String(rtc_node_hash_hex);
+ } else {
+ html += F("<span style='color:#888;font-style:italic;'>Not yet assigned — will be set on first normal boot</span>");
+ }
+ html += F("</code></div>");
+
+ html += F("<form method='POST' action='/save'>");
html += F(
"<h2>📶 WiFi Network</h2>"
"<label>WiFi</label>"
diff --git a/RNode_Firmware.ino b/RNode_Firmware.ino
index 00ec5f4..ebaac89 100755
--- a/RNode_Firmware.ino
+++ b/RNode_Firmware.ino
@@ -259,6 +259,13 @@ RTC_NOINIT_ATTR uint32_t boundary_skip_config;
RTC_NOINIT_ATTR uint32_t bootloop_magic;
RTC_NOINIT_ATTR uint32_t bootloop_count;
RTC_NOINIT_ATTR uint32_t bootloop_first_boot_ms;
+
+// Node public hash — cached in RTC so the config portal can display it without
+// needing to start RNS. Populated after the transport destination is created
+// on a normal boot; survives software reboots into the captive portal.
+#define NODE_HASH_RTC_MAGIC 0x504B4841UL // "PKHA"
+RTC_NOINIT_ATTR uint32_t rtc_node_hash_magic;
+RTC_NOINIT_ATTR char rtc_node_hash_hex[33]; // 32 hex chars + NUL
#endif
#endif // HAS_RNS
@@ -927,6 +934,17 @@ void setup() {
*/
RNS::Destination destination(RNS::Transport::identity(), RNS::Type::Destination::IN, RNS::Type::Destination::SINGLE, "rnstransport", "local");
+ // Cache this node's destination hash in RTC memory so the captive-portal
+ // config page can show it without needing RNS to be running.
+ {
+ std::string h = destination.hash().toHex();
+ size_t len = h.length();
+ if (len > 32) len = 32;
+ memcpy(rtc_node_hash_hex, h.c_str(), len);
+ rtc_node_hash_hex[len] = '\0';
+ rtc_node_hash_magic = NODE_HASH_RTC_MAGIC;
+ }
+
HEAD("RNS is READY!", RNS::LOG_TRACE);
#ifdef BOUNDARY_MODE
HEAD("*** BOUNDARY MODE ACTIVE ***", RNS::LOG_TRACE);
diff --git a/Release/rnode_firmware_heltec32v3.bin b/Release/rnode_firmware_heltec32v3.bin
index 22d7d56..afe67c5 100755
Binary files a/Release/rnode_firmware_heltec32v3.bin and b/Release/rnode_firmware_heltec32v3.bin differ
diff --git a/Release/rnode_firmware_heltec32v4_boundary.bin b/Release/rnode_firmware_heltec32v4_boundary.bin
index 8dd627b..406b57d 100755
Binary files a/Release/rnode_firmware_heltec32v4_boundary.bin and b/Release/rnode_firmware_heltec32v4_boundary.bin differ
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