добавлены дефайны для теста разводки оптики

запущено все на s3
скорректированны пины и шим на s3

OpticalChannelTester/App.cpp

@@ -127,6 +127,7 @@ void App::update() {
     else if (now - bootCheckStartedMs_ >= FACTORY_RESET_HOLD_MS) finishInitialization(true);
     return;
   }
+  serviceRxPinStateLog();
   if (state_ != AppState::IDLE && state_ != AppState::MENU && state_ != AppState::FINISHED &&
       startEvent == ButtonEvent::LONG) { abortTest(); return; }
   if (state_ != AppState::IDLE && state_ != AppState::MENU && state_ != AppState::FINISHED &&
@@ -208,6 +209,19 @@ void App::sanitizeRange() {
   settings_.endIndex %= countOf(END_FREQ_OPTIONS_HZ);
 }
 
+void App::serviceRxPinStateLog() {
+#ifdef RX_PIN_CHANGE_TEST
+  const bool level = digitalRead(GPIO_RX) == HIGH;
+  const bool outsideTest = state_ == AppState::IDLE || state_ == AppState::MENU ||
+    state_ == AppState::SLAVE_READY || state_ == AppState::FINISHED;
+  if (rxPinStateKnown_ && level != rxPinState_ && outsideTest)
+    Log::printf("RX TEST", "GPIO=%u state=%s (%u)", GPIO_RX,
+      level ? "HIGH" : "LOW", level ? 1U : 0U);
+  rxPinState_ = level;
+  rxPinStateKnown_ = true;
+#endif
+}
+
 void App::changeMenu(int d) {
   sanitizeRange();
   uint8_t *value = nullptr; size_t count = 0;