Доработки по тесту драйвера

OpticalChannelTester/Receiver.h

@@ -12,7 +12,7 @@
 #define OPTICAL_USE_MCPWM_CAPTURE 0
 #endif
 
-enum class CaptureSource : uint8_t { RX, TX };
+enum class CaptureSource : uint8_t { RX, TX, WINDOW_END };
 
 struct CaptureEvent {
   uint64_t tick;
@@ -43,6 +43,8 @@ class PulseReceiver {
  private:
   struct Edge { uint32_t tick; uint8_t rising; uint8_t source; };
   static constexpr uint16_t DRIVER_RING_CAPACITY = 512;
+  static_assert((DRIVER_RING_CAPACITY & (DRIVER_RING_CAPACITY - 1U)) == 0,
+    "driver capture ring must be a power of two");
   struct TimedEdge { uint64_t tick; bool rising; };
   bool startCapture(bool withTx);
   bool consumeEdge(const Edge &edge, PulsePeriod &period);
@@ -78,6 +80,8 @@ class PulseReceiver {
   uint32_t expectedHz_ = 0;
   float expectedDutyPct_ = 50.0f;
   bool polarityKnown_ = false, activeStartRising_ = false;
+  TimedEdge polarityEdges_[3] = {};
+  uint8_t polarityEdgeCount_ = 0;
   bool waitingForActiveEnd_ = true;
   uint64_t activeStart_ = 0, activeEnd_ = 0;
   bool haveRawTick_ = false;