Улучшения

- улушчено отображение на OLED
- убраны настройки шага частоты и количества повторов
- сделан перебор только реализуемых частот
- увеличена точность, на 1МГц 1.25%, в остальных до 1%
- точное измерение TOTAL TIME

OpticalChannelTester/Receiver.h

@@ -15,13 +15,14 @@
 class PulseReceiver {
  public:
   bool begin();
-  bool start(uint32_t expectedHz);
+  bool start(uint32_t expectedHz, float expectedDutyPct);
   void stop();
   void resetStream();
   size_t readPeriods(PulsePeriod *periods, size_t capacity, TickType_t waitTicks = 0);
   bool overflowed();
   uint32_t takeDroppedItems();
   uint32_t tickHz() const;
+  uint32_t plannedTickHz(uint32_t expectedHz, float expectedDutyPct) const;
   uint16_t receiveChunkSymbols() const { return receiveChunkSymbols_; }
   bool highRateBackend() const {
 #if OPTICAL_USE_RMT_DMA && CONFIG_IDF_TARGET_ESP32S3
@@ -38,8 +39,10 @@ class PulseReceiver {
   static constexpr size_t BLOCK_SYMBOLS = RMT_MAX_RECEIVE_SYMBOLS;
   struct SymbolBlock { uint16_t count; rmt_symbol_word_t symbols[BLOCK_SYMBOLS]; };
   static bool IRAM_ATTR onRmt(rmt_channel_handle_t, const rmt_rx_done_event_data_t *, void *);
+  bool configureRmt(uint32_t resolutionHz);
   bool nextRmtEdge(Edge &edge, TickType_t waitTicks);
   rmt_channel_handle_t channel_ = nullptr;
+  uint32_t captureResolutionHz_ = 0;
   rmt_symbol_word_t receiveBuffer_[RMT_MAX_RECEIVE_SYMBOLS];
   uint16_t receiveChunkSymbols_ = 0;
   SymbolBlock isrBlock_ = {};