Rewrite blinds in external component

components/somfy/somfy.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <string>
+
+#include "esphome/components/cover/cover.h"
+#include "esphome/components/mqtt/mqtt_component.h"
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/core/log.h"
+#include "esphome/core/preferences.h"
+
+namespace esphome {
+namespace somfy {
+
+class SomfyRTSCover : public cover::Cover, public Component {
+ public:
+  void set_rf_pin(uint8_t rf_pin) { this->rf_pin_ = rf_pin; }
+  void set_remote_id(uint32_t remote_id) { this->remote_id_ = remote_id; }
+
+  cover::CoverTraits get_traits() override;
+  void setup() override;
+  void dump_config() override;
+  void control(const cover::CoverCall &call) override;
+
+ protected:
+  /* Wake up the blinds motor controller and send the command.
+   * Overall, with repeats and syncs, takes about 510ms.
+   *
+   * mqtt.publish is synchronous unless idf_send_async is set, and may
+   * introduce an unknown delay into the method execution timeline.
+   */
+  void send(uint8_t command);
+
+  uint8_t rf_pin_;
+  uint32_t remote_id_;
+  uint32_t rolling_code_;
+  std::string mqtt_topic_prefix_;
+  ESPPreferenceObject rolling_code_pref_;
+};
+
+}  // namespace somfy
+}  // namespace esphome