Добавлено тестировние платы в меню:

- Тест Tx Оптики
- Тест Rx Оптики
- Тест АЦП

OpticalChannelTester/App.h

@@ -8,7 +8,7 @@
 #include "SettingsStore.h"
 
 enum class AppState : uint8_t {
-  IDLE, MENU, SOLO_MEASURE, SOLO_DRIVER, MASTER_DISCOVER, MASTER_WAIT_READY,
+  IDLE, MENU, BOARD_TEST, SOLO_MEASURE, SOLO_DRIVER, MASTER_DISCOVER, MASTER_WAIT_READY,
   MASTER_WAIT_RESULT, MASTER_FINALIZE, SLAVE_READY, SLAVE_WAIT_START, SLAVE_MEASURE,
   SLAVE_WAIT_ACK, FINISHED
 };
@@ -26,6 +26,9 @@ class App {
   void cycleRunMode();
   void sanitizeRange();
   void startTest();
+  void startBoardTest();
+  void updateBoardTest(uint32_t now);
+  void stopBoardTest();
   bool armSlave(bool preserveDisplay = false);
   bool prepareStage(bool showProgress = true);
   bool startLocalMeasurement(float hz, float duty);
@@ -52,7 +55,6 @@ class App {
   void updateHeartbeat();
   bool packetForCurrent(const ProtocolPacket &p) const;
   void serviceIdlePowerSave();
-  void serviceRxPinStateLog();
   void serviceSerialConsole();
   void handleSerialCommand(char *line);
   void printSerialHelp();
@@ -100,6 +102,9 @@ class App {
   uint32_t lastOpticalWakeToggleMs_ = 0;
   bool opticalWakeActive_ = false;
   bool rxPinStateKnown_ = false, rxPinState_ = false;
+  uint32_t boardTestUpdatedMs_ = 0;
+  uint32_t boardDisplayUpdatedMs_ = 0;
+  bool boardPwmLightOn_ = false;
   mutable uint32_t lastUsbHostSeenMs_ = 0;
   char serialLine_[96] = {};
   uint8_t serialLineLength_ = 0;