First light from busmanager! (still not usable though)

wled00/pin_manager.h

@@ -0,0 +1,29 @@
+#ifndef WLED_PIN_MANAGER_H
+#define WLED_PIN_MANAGER_H
+/*
+ * Registers pins so there is no attempt for two interfaces to use the same pin
+ */
+#include <Arduino.h>
+
+class PinManagerClass {
+  private:
+  #ifdef ESP8266
+  uint8_t pinAlloc[3] = {0x00, 0x00, 0x00}; //24bit, 1 bit per pin, we use first 17bits
+  #else
+  uint8_t pinAlloc[5] = {0x00, 0x00, 0x00, 0x00, 0x00}; //40bit, 1 bit per pin, we use all bits
+  uint8_t ledcAlloc[2] = {0x00, 0x00}; //16 LEDC channels
+  #endif
+
+  public:
+  void deallocatePin(byte gpio);
+  bool allocatePin(byte gpio, bool output = true);
+  bool isPinAllocated(byte gpio);
+  bool isPinOk(byte gpio, bool output = true);
+  #ifdef ARDUINO_ARCH_ESP32
+  byte allocateLedc(byte channels);
+  void deallocateLedc(byte pos, byte channels);
+  #endif
+};
+
+extern PinManagerClass pinManager;
+#endif