Fix reboot in stm32

flix/cli.ino

@@ -193,7 +193,7 @@ void doCommand(String str, bool echo = false) {
 		attitude = Quaternion();
 		gyroBiasFilter.reset();
 	} else if (command == "reboot") {
-		ESP.restart();
+		reboot();
 	} else {
 		print("Invalid command: %s\n", command.c_str());
 	}

flix/util.h

@@ -70,6 +70,14 @@ public:
 };
 #endif
 
+void reboot() {
+#if defined(ESP32)
+	ESP.restart();
+#elif defined(ARDUINO_ARCH_STM32)
+	NVIC_SystemReset();
+#endif
+}
+
 // Rate limiter
 class Rate {
 public: