Admin message shutdown feature (#1124)

* Shutdown via proto admin message

src/main.cpp

@@ -699,8 +699,9 @@ axpDebugOutput.setup();
 #endif
 
 uint32_t rebootAtMsec; // If not zero we will reboot at this time (used to reboot shortly after the update completes)
+uint32_t shutdownAtMsec; // If not zero we will shutdown at this time (used to shutdown from python or mobile client)
 
-void rebootCheck()
+void powerCommandsCheck()
 {
     if (rebootAtMsec && millis() > rebootAtMsec) {
 #ifndef NO_ESP32
@@ -710,6 +711,30 @@ void rebootCheck()
         DEBUG_MSG("FIXME implement reboot for this platform");
 #endif
     }
+
+#if NRF52_SERIES
+    if (shutdownAtMsec) {
+        screen->startShutdownScreen();
+        playBeep();
+        ledOff(PIN_LED1);
+        ledOff(PIN_LED2);
+    }
+#endif
+
+    if (shutdownAtMsec && millis() > shutdownAtMsec) {
+        DEBUG_MSG("Shutting down from admin command\n");
+#ifdef TBEAM_V10
+        if (axp192_found == true) {
+            setLed(false);
+            power->shutdown();
+        }
+#elif NRF52_SERIES
+        playShutdownMelody();
+        power->shutdown();
+#else
+        DEBUG_MSG("FIXME implement shutdown for this platform");
+#endif
+    }
 }
 
 // If a thread does something that might need for it to be rescheduled ASAP it can set this flag
@@ -730,7 +755,7 @@ void loop()
 #ifdef NRF52_SERIES
     nrf52Loop();
 #endif
-    rebootCheck();
+    powerCommandsCheck();
 
     // For debugging
     // if (rIf) ((RadioLibInterface *)rIf)->isActivelyReceiving();

src/main.h

@@ -21,6 +21,7 @@ extern graphics::Screen *screen;
 const char *getDeviceName();
 
 extern uint32_t rebootAtMsec;
+extern uint32_t shutdownAtMsec;
 
 // If a thread does something that might need for it to be rescheduled ASAP it can set this flag
 // This will supress the current delay and instead try to run ASAP.

src/plugins/AdminPlugin.cpp

@@ -104,6 +104,12 @@ bool AdminPlugin::handleReceivedProtobuf(const MeshPacket &mp, AdminMessage *r)
         rebootAtMsec = (s < 0) ? 0 : (millis() + s * 1000);
         break;
     }
+    case AdminMessage_shutdown_seconds_tag: {
+        int32_t s = r->shutdown_seconds;
+        DEBUG_MSG("Shutdown in %d seconds\n", s);
+        shutdownAtMsec = (s < 0) ? 0 : (millis() + s * 1000);
+        break;
+    }
 
 #ifdef PORTDUINO
     case AdminMessage_exit_simulator_tag: