feat: add external component and some test configurations

components/wordcl/desky.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/uart/uart.h"
+#include "esphome/core/hal.h"
+
+namespace esphome {
+namespace desky {
+
+enum DeskyOperation : uint8_t {
+  DESKY_OPERATION_IDLE = 0,
+  DESKY_OPERATION_RAISING,
+  DESKY_OPERATION_LOWERING,
+};
+
+const char *desky_operation_to_str(DeskyOperation op);
+
+class Desky : public Component,  public sensor::Sensor, public uart::UARTDevice {
+ public:
+  float get_setup_priority() const override { return setup_priority::LATE; }
+  void setup() override;
+  void loop() override;
+  void dump_config() override;
+
+  void set_height_sensor(sensor::Sensor *sensor) { this->height_sensor_ = sensor; }
+  void set_up_pin(GPIOPin *pin) { this->up_pin_ = pin; }
+  void set_down_pin(GPIOPin *pin) { this->down_pin_ = pin; }
+  void set_request_pin(GPIOPin *pin) { this->request_pin_ = pin; }
+  void set_stopping_distance(int distance) { this->stopping_distance_ = distance; }
+  void set_timeout(int timeout) { this->timeout_ = timeout; }
+
+  void move_to(int height);
+  void stop();
+
+  DeskyOperation current_operation{DESKY_OPERATION_IDLE};
+
+ protected:
+  sensor::Sensor *height_sensor_{nullptr};
+  GPIOPin *up_pin_{nullptr};
+  GPIOPin *down_pin_{nullptr};
+  GPIOPin *request_pin_{nullptr};
+  int stopping_distance_;
+  int current_pos_{0};
+  int target_pos_{-1};
+  int timeout_{-1};
+  uint64_t start_time_;
+  uint64_t request_time_{0};
+};
+
+}  // namespace desky
+}  // namespace esphome