add Resol VBus support (#3976)

Co-authored-by: Samuel Sieb <samuel@sieb.net>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
fixes https://github.com/esphome/feature-requests/issues/1949

esphome/components/vbus/vbus.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/uart/uart.h"
+
+namespace esphome {
+namespace vbus {
+
+using message_parser_t = std::function<float(std::vector<uint8_t> &)>;
+
+class VBus;
+
+class VBusListener {
+ public:
+  void set_command(uint16_t command) { this->command_ = command; }
+  void set_source(uint16_t source) { this->source_ = source; }
+  void set_dest(uint16_t dest) { this->dest_ = dest; }
+
+  void on_message(uint16_t command, uint16_t source, uint16_t dest, std::vector<uint8_t> &message);
+
+ protected:
+  uint16_t command_{0xffff};
+  uint16_t source_{0xffff};
+  uint16_t dest_{0xffff};
+
+  virtual void handle_message(std::vector<uint8_t> &message) = 0;
+};
+
+class VBus : public uart::UARTDevice, public Component {
+ public:
+  void dump_config() override;
+  void loop() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+  void register_listener(VBusListener *listener) { this->listeners_.push_back(listener); }
+
+ protected:
+  int state_{0};
+  std::vector<uint8_t> buffer_;
+  uint8_t protocol_;
+  uint16_t source_;
+  uint16_t dest_;
+  uint16_t command_;
+  uint8_t frames_;
+  uint8_t cframe_;
+  uint8_t fbytes_[6];
+  int fbcount_;
+  std::vector<VBusListener *> listeners_{};
+};
+
+}  // namespace vbus
+}  // namespace esphome