DNM V6X serial PRBOES AUX PWMdisabled

src/drivers/pwm_out/PWMOut.cpp

@@ -332,5 +332,7 @@ px4io driver is used for main ones.
 
 extern "C" __EXPORT int pwm_out_main(int argc, char *argv[])
 {
+  PROBE_INIT(0x1ff);
+  return 0;
 	return PWMOut::main(argc, argv);
 }

src/modules/mavlink/mavlink_main.cpp

@@ -766,7 +766,9 @@ void Mavlink::send_finish()
 
 	// send message to UART
 	if (get_protocol() == Protocol::SERIAL) {
+		PROBE(8, 0);
 		ret = ::write(_uart_fd, _buf, _buf_fill);
+		PROBE(8, 1);
 	}
 
 #if defined(MAVLINK_UDP)