change tx_mode without needing a restart

src/emsesp.cpp

@@ -700,6 +700,9 @@ void EMSESP::console_commands(Shell & shell, unsigned int context) {
                 settings.ems_tx_mode(tx_mode);
                 settings.commit();
                 shell.printfln(F_(tx_mode_fmt), settings.ems_tx_mode());
+                // reset the UART
+                EMSuart::stop();
+                EMSuart::start(tx_mode);
             } else {
                 shell.println(F("Must be 1 for EMS generic, 2 for EMS+, 3 for HT3, 4 for experimental"));
             }

src/system.cpp

@@ -45,8 +45,6 @@ uuid::log::Logger System::logger_{F_(logger_name), uuid::log::Facility::KERN};
 uuid::syslog::SyslogService System::syslog_;
 #endif
 
-EMSuart System::emsuart_;
-
 #if defined(ESP8266)
 RTCVars System::state_;
 #endif
@@ -170,7 +168,7 @@ void System::start() {
     if (safe_mode()) {
     } else {
         save_safe_mode(false); // next time boot up in normal mode
-        emsuart_.start(settings.ems_tx_mode());
+        EMSuart::start(settings.ems_tx_mode());
     }
 #endif
 }

src/system.h

@@ -105,8 +105,6 @@ class System {
     static uint32_t heap_start_;
     static int      reset_counter_;
 
-    static EMSuart emsuart_;
-
 #if defined(ESP8266)
     static RTCVars state_;
 #endif