ESP IDF support.

components/uart/truma_uart_component_esp32_arduino.h

@@ -9,7 +9,6 @@ namespace uart {
 
 class truma_ESP32ArduinoUARTComponent : public ESP32ArduinoUARTComponent {
  public:
-  bool is_hw_serial() { return true; }
   HardwareSerial *get_hw_serial() { return this->hw_serial_; }
   uint8_t get_hw_serial_number() { return this->number_; }
 };

components/uart/truma_uart_component_esp_idf.h

@@ -9,8 +9,9 @@ namespace uart {
 
 class truma_IDFUARTComponent : public IDFUARTComponent {
  public:
-  bool is_hw_serial() { return true; }
   uint8_t get_hw_serial_number() { return this->uart_num_; }
+  // `QueueHandle_t uart_event_queue_;` is also added to base class.
+  QueueHandle_t *get_uart_event_queue() { return &this->uart_event_queue_; }
 };
 
 }  // namespace uart

components/uart/uart_component_esp_idf.cpp

@@ -79,7 +79,11 @@ void IDFUARTComponent::setup() {
     return;
   }
 
-  err = uart_driver_install(this->uart_num_, this->rx_buffer_size_, 0, 0, nullptr, 0);
+  err = uart_driver_install(this->uart_num_, this->rx_buffer_size_,
+                            0,  // UART TX ring buffer size.
+                                // If set to zero, driver will not use TX buffer, TX function will block task until all
+                                // data have been sent out.
+                            20, &(this->uart_event_queue_), 0);
   if (err != ESP_OK) {
     ESP_LOGW(TAG, "uart_driver_install failed: %s", esp_err_to_name(err));
     this->mark_failed();

components/uart/uart_component_esp_idf.h

@@ -26,6 +26,7 @@ class IDFUARTComponent : public UARTComponent, public Component {
  protected:
   void check_logger_conflict() override;
   uart_port_t uart_num_;
+  QueueHandle_t uart_event_queue_;
   uart_config_t get_config_();
   SemaphoreHandle_t lock_;