From acc36cf3adef68cb3a86b93a512a0daf66ab9f1f Mon Sep 17 00:00:00 2001
From: UA1ZBE <ua1zbe@yandex.ru>
Date: Wed, 22 Jul 2026 13:32:35 +0300
Subject: [PATCH] add name set, beacon commands

---
 src/main.cpp | 34 +++++++++++++++++++++++++++++++++-
 src/target.h |  1 +
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index 0b14cad..4e1f6a9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -41,6 +41,7 @@ static bool g_hall_alert = false;
 static bool g_motion_alert = false;
 static bool g_relay2_state = false;
 static bool g_temp_requested = false;
+static char g_device_name[32] = {0};
 static unsigned long g_temp_last_request = 0;
 static float g_last_temperature = -127.0f;
 static unsigned long g_last_hall_alert = 0;
@@ -87,6 +88,23 @@ bool loadSecurityConfig() {
     return true;
 }
 
+void saveDeviceName() {
+    File f = InternalFS.open(NAME_FILE, FILE_O_WRITE);
+    if (!f) return;
+    f.write((const uint8_t*)g_device_name, sizeof(g_device_name));
+    f.close();
+}
+
+void loadDeviceName() {
+    File f = InternalFS.open(NAME_FILE, FILE_O_READ);
+    if (!f) return;
+    if (f.read((uint8_t*)g_device_name, sizeof(g_device_name)) != sizeof(g_device_name)) {
+        memset(g_device_name, 0, sizeof(g_device_name));
+    }
+    f.close();
+    g_device_name[sizeof(g_device_name) - 1] = 0;
+}
+
 class SecurityMesh : public mesh::Mesh {
 public:
     mesh::GroupChannel mesh_channel;
@@ -170,7 +188,7 @@ public:
         while (*cmd == ' ') cmd++;
 
         if (strcmp(cmd, "help") == 0) {
-            defer_response("help:ohrana on,ohrana off,relay1 on,relay1 off,relay2 on,relay2 off,relay,status,ver,scan,snr,uptime,kontrol,time,reboot");
+            defer_response("help:ohrana on,ohrana off,relay1 on,relay1 off,relay2 on,relay2 off,relay,status,ver,scan,snr,name,name set,beacon,uptime,kontrol,time,reboot");
         } else if (strcmp(cmd, "ohrana on") == 0) {
             g_armed = true; digitalWrite(PIN_RELAY_1, LOW); saveSecurityConfig(); defer_response("ohrana on ok");
         } else if (strcmp(cmd, "ohrana off") == 0) {
@@ -267,6 +285,19 @@ public:
         } else if (strcmp(cmd, "snr") == 0) {
             char r[48]; snprintf(r, sizeof(r), "rssi:%.0fdBm snr:%.1fdB", last_rssi, last_snr);
             defer_response(r);
+        } else if (strcmp(cmd, "name") == 0) {
+            if (g_device_name[0]) defer_response(g_device_name);
+            else defer_response("name not set");
+        } else if (strncmp(cmd, "name set ", 9) == 0) {
+            const char* n = cmd + 9;
+            int l = strlen(n); if (l > 31) l = 31;
+            memcpy(g_device_name, n, l); g_device_name[l] = 0;
+            saveDeviceName();
+            defer_response(g_device_name);
+        } else if (strcmp(cmd, "beacon") == 0) {
+            auto pkt = createAdvert(self_id, (const uint8_t*)g_device_name, strlen(g_device_name));
+            if (pkt) { sendFlood(pkt); defer_response("beacon ok"); }
+            else defer_response("beacon fail");
         } else if (strcmp(cmd, "reboot") == 0) {
             send_text("rebooting");
             delay(100);
@@ -309,6 +340,7 @@ void setup() {
 
     InternalFS.begin();
     loadSecurityConfig();
+    loadDeviceName();
     if (g_armed) digitalWrite(PIN_RELAY_1, LOW); else digitalWrite(PIN_RELAY_1, HIGH);
     digitalWrite(PIN_RELAY_2, g_relay2_state ? LOW : HIGH);
 
diff --git a/src/target.h b/src/target.h
index 4120f50..ed9731a 100644
--- a/src/target.h
+++ b/src/target.h
@@ -115,6 +115,7 @@
 
 #define CONFIG_FILE     "/security.cfg"
 #define CHANNEL_FILE    "/channel.cfg"
+#define NAME_FILE       "/name.cfg"
 #define WDT_TIMEOUT_MS  10000
 
 #include <RadioLib.h>