deuxyeux/RTNode-HeltecV4
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v1.0.23: Show node public hash in WiFi config portal

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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
This commit is contained in:
James L
2026-03-20 23:08:03 -04:00
parent b3b6cd4302
commit 3157b8e4a8
4 changed files with 38 additions and 2 deletions
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18
RNode_Firmware.ino
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@@ -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);