Added new call-back functions: notifyDccAccTurnoutBoard and notifyDccAccTurnoutOutput

Added new example NmraDccAccessoryDecoder_Pulsed_8
changed version to 1.2.0

examples/NmraDccAccessoryDecoder_Pulsed_8/PinPulser.h

@@ -0,0 +1,27 @@
+#include <Arduino.h>
+
+#define PIN_PULSER_MAX_PINS    16
+
+enum PP_State
+{
+  PP_IDLE = 0,
+  PP_OUTPUT_ON_DELAY,
+  PP_CDU_RECHARGE_DELAY,
+};
+
+class PinPulser
+{
+  private:
+    uint16_t      onMs;
+    uint16_t      cduRechargeMs;
+    PP_State      state = PP_IDLE;
+    unsigned long targetMs = 0;
+    uint8_t       activeOutputState = HIGH;
+    uint8_t       pinQueue[PIN_PULSER_MAX_PINS + 1];
+
+  public:
+    void init(uint16_t onMs, uint16_t cduRechargeMs, uint8_t activeOutputState);
+    uint8_t addPin(uint8_t pin);
+    PP_State process(void);
+};
+