From d215c1203880d3fec7f7aebbe11d0c62f2045b0f Mon Sep 17 00:00:00 2001
From: UA1ZBE <ua1zbe@yandex.ru>
Date: Wed, 22 Jul 2026 10:41:45 +0300
Subject: [PATCH] Add uptime command

---
 src/main.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index f2f3301..832f77f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -148,7 +148,7 @@ 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,reboot");
+            defer_response("help:ohrana on,ohrana off,relay1 on,relay1 off,relay2 on,relay2 off,relay,status,ver,scan,uptime,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) {
@@ -180,6 +180,16 @@ public:
             float sum = 0;
             for (int j = 0; j < 20; j++) { sum += radio_driver.getCurrentRSSI(); delay(50); }
             char r[32]; snprintf(r, sizeof(r), "noise:%.0fdBm", sum / 20); defer_response(r);
+        } else if (strcmp(cmd, "uptime") == 0) {
+            unsigned long sec = (millis() - g_boot_time) / 1000;
+            int d = sec / 86400; sec %= 86400;
+            int h = sec / 3600; sec %= 3600;
+            int m = sec / 60;
+            char r[64];
+            if (d > 0) snprintf(r, sizeof(r), "uptime:%dd %dh %dm", d, h, m);
+            else if (h > 0) snprintf(r, sizeof(r), "uptime:%dh %dm", h, m);
+            else snprintf(r, sizeof(r), "uptime:%dm", m);
+            defer_response(r);
         } else if (strcmp(cmd, "reboot") == 0) {
             send_text("rebooting");
             delay(100);