Merge branch 'integration' into memory_api

esphome/components/api/custom_api_device.h

@@ -56,6 +56,13 @@ class CustomAPIDevice {
     auto *service = new CustomAPIDeviceService<T, Ts...>(name, arg_names, (T *) this, callback);  // NOLINT
     global_api_server->register_user_service(service);
   }
+#else
+  template<typename T, typename... Ts>
+  void register_service(void (T::*callback)(Ts...), const std::string &name,
+                        const std::array<std::string, sizeof...(Ts)> &arg_names) {
+    static_assert(
+        false, "register_service() requires 'custom_services: true' in the 'api:' section of your YAML configuration");
+  }
 #endif
 
   /** Register a custom native API service that will show up in Home Assistant.
@@ -81,6 +88,11 @@ class CustomAPIDevice {
     auto *service = new CustomAPIDeviceService<T>(name, {}, (T *) this, callback);  // NOLINT
     global_api_server->register_user_service(service);
   }
+#else
+  template<typename T> void register_service(void (T::*callback)(), const std::string &name) {
+    static_assert(
+        false, "register_service() requires 'custom_services: true' in the 'api:' section of your YAML configuration");
+  }
 #endif
 
 #ifdef USE_API_HOMEASSISTANT_STATES
@@ -135,6 +147,20 @@ class CustomAPIDevice {
     auto f = std::bind(callback, (T *) this, entity_id, std::placeholders::_1);
     global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute), f);
   }
+#else
+  template<typename T>
+  void subscribe_homeassistant_state(void (T::*callback)(std::string), const std::string &entity_id,
+                                     const std::string &attribute = "") {
+    static_assert(false, "subscribe_homeassistant_state() requires 'homeassistant_states: true' in the 'api:' section "
+                         "of your YAML configuration");
+  }
+
+  template<typename T>
+  void subscribe_homeassistant_state(void (T::*callback)(std::string, std::string), const std::string &entity_id,
+                                     const std::string &attribute = "") {
+    static_assert(false, "subscribe_homeassistant_state() requires 'homeassistant_states: true' in the 'api:' section "
+                         "of your YAML configuration");
+  }
 #endif
 
 #ifdef USE_API_HOMEASSISTANT_SERVICES
@@ -222,6 +248,26 @@ class CustomAPIDevice {
     }
     global_api_server->send_homeassistant_service_call(resp);
   }
+#else
+  void call_homeassistant_service(const std::string &service_name) {
+    static_assert(false, "call_homeassistant_service() requires 'homeassistant_services: true' in the 'api:' section "
+                         "of your YAML configuration");
+  }
+
+  void call_homeassistant_service(const std::string &service_name, const std::map<std::string, std::string> &data) {
+    static_assert(false, "call_homeassistant_service() requires 'homeassistant_services: true' in the 'api:' section "
+                         "of your YAML configuration");
+  }
+
+  void fire_homeassistant_event(const std::string &event_name) {
+    static_assert(false, "fire_homeassistant_event() requires 'homeassistant_services: true' in the 'api:' section of "
+                         "your YAML configuration");
+  }
+
+  void fire_homeassistant_event(const std::string &service_name, const std::map<std::string, std::string> &data) {
+    static_assert(false, "fire_homeassistant_event() requires 'homeassistant_services: true' in the 'api:' section of "
+                         "your YAML configuration");
+  }
 #endif
 };
 

esphome/components/gt911/touchscreen/gt911_touchscreen.cpp

@@ -20,12 +20,11 @@ static const size_t MAX_BUTTONS = 4;  // max number of buttons scanned
 
 #define ERROR_CHECK(err) \
   if ((err) != i2c::ERROR_OK) { \
-    this->status_set_warning("Communication failure"); \
+    this->status_set_warning(ESP_LOG_MSG_COMM_FAIL); \
     return; \
   }
 
 void GT911Touchscreen::setup() {
-  i2c::ErrorCode err;
   if (this->reset_pin_ != nullptr) {
     this->reset_pin_->setup();
     this->reset_pin_->digital_write(false);
@@ -35,9 +34,14 @@ void GT911Touchscreen::setup() {
       this->interrupt_pin_->digital_write(false);
     }
     delay(2);
-    this->reset_pin_->digital_write(true);
+    this->reset_pin_->digital_write(true);  // wait 50ms after reset
-    delay(50);  // NOLINT
+    this->set_timeout(50, [this] { this->setup_internal_(); });
+    return;
   }
+  this->setup_internal_();
+}
+
+void GT911Touchscreen::setup_internal_() {
   if (this->interrupt_pin_ != nullptr) {
     // set pre-configured input mode
     this->interrupt_pin_->setup();
@@ -45,7 +49,7 @@ void GT911Touchscreen::setup() {
 
   // check the configuration of the int line.
   uint8_t data[4];
-  err = this->write(GET_SWITCHES, sizeof(GET_SWITCHES));
+  i2c::ErrorCode err = this->write(GET_SWITCHES, sizeof(GET_SWITCHES));
   if (err != i2c::ERROR_OK && this->address_ == PRIMARY_ADDRESS) {
     this->address_ = SECONDARY_ADDRESS;
     err = this->write(GET_SWITCHES, sizeof(GET_SWITCHES));
@@ -53,7 +57,7 @@ void GT911Touchscreen::setup() {
   if (err == i2c::ERROR_OK) {
     err = this->read(data, 1);
     if (err == i2c::ERROR_OK) {
-      ESP_LOGD(TAG, "Read from switches at address 0x%02X: 0x%02X", this->address_, data[0]);
+      ESP_LOGD(TAG, "Switches ADDR: 0x%02X DATA: 0x%02X", this->address_, data[0]);
       if (this->interrupt_pin_ != nullptr) {
         this->attach_interrupt_(this->interrupt_pin_,
                                 (data[0] & 1) ? gpio::INTERRUPT_FALLING_EDGE : gpio::INTERRUPT_RISING_EDGE);
@@ -75,16 +79,24 @@ void GT911Touchscreen::setup() {
       }
     }
     if (err != i2c::ERROR_OK) {
-      this->mark_failed("Failed to read calibration");
+      this->mark_failed("Calibration error");
       return;
     }
   }
+
   if (err != i2c::ERROR_OK) {
-    this->mark_failed("Failed to communicate");
+    this->mark_failed(ESP_LOG_MSG_COMM_FAIL);
+    return;
   }
+  this->setup_done_ = true;
 }
 
 void GT911Touchscreen::update_touches() {
+  this->skip_update_ = true;  // skip send touch events by default, set to false after successful error checks
+  if (!this->setup_done_) {
+    return;
+  }
+
   i2c::ErrorCode err;
   uint8_t touch_state = 0;
   uint8_t data[MAX_TOUCHES + 1][8];  // 8 bytes each for each point, plus extra space for the key byte
@@ -97,7 +109,6 @@ void GT911Touchscreen::update_touches() {
   uint8_t num_of_touches = touch_state & 0x07;
 
   if ((touch_state & 0x80) == 0 || num_of_touches > MAX_TOUCHES) {
-    this->skip_update_ = true;  // skip send touch events, touchscreen is not ready yet.
     return;
   }
 
@@ -107,6 +118,7 @@ void GT911Touchscreen::update_touches() {
   err = this->read(data[0], sizeof(data[0]) * num_of_touches + 1);
   ERROR_CHECK(err);
 
+  this->skip_update_ = false;  // All error checks passed, send touch events
   for (uint8_t i = 0; i != num_of_touches; i++) {
     uint16_t id = data[i][0];
     uint16_t x = encode_uint16(data[i][2], data[i][1]);

esphome/components/gt911/touchscreen/gt911_touchscreen.h

@@ -15,8 +15,20 @@ class GT911ButtonListener {
 
 class GT911Touchscreen : public touchscreen::Touchscreen, public i2c::I2CDevice {
  public:
+  /// @brief Initialize the GT911 touchscreen.
+  ///
+  /// If @ref reset_pin_ is set, the touchscreen will be hardware reset,
+  /// and the rest of the setup will be scheduled to run 50ms later using @ref set_timeout()
+  /// to allow the device to stabilize after reset.
+  ///
+  /// If @ref interrupt_pin_ is set, it will be temporarily configured during reset
+  /// to control I2C address selection.
+  ///
+  /// After the timeout, or immediately if no reset is performed, @ref setup_internal_()
+  /// is called to complete the initialization.
   void setup() override;
   void dump_config() override;
+  bool can_proceed() override { return this->setup_done_; }
 
   void set_interrupt_pin(InternalGPIOPin *pin) { this->interrupt_pin_ = pin; }
   void set_reset_pin(GPIOPin *pin) { this->reset_pin_ = pin; }
@@ -25,8 +37,20 @@ class GT911Touchscreen : public touchscreen::Touchscreen, public i2c::I2CDevice
  protected:
   void update_touches() override;
 
-  InternalGPIOPin *interrupt_pin_{};
+  /// @brief Perform the internal setup routine for the GT911 touchscreen.
-  GPIOPin *reset_pin_{};
+  ///
+  /// This function checks the I2C address, configures the interrupt pin (if available),
+  /// reads the touchscreen mode from the controller, and attempts to read calibration
+  /// data (maximum X and Y values) if not already set.
+  ///
+  /// On success, sets @ref setup_done_ to true.
+  /// On failure, calls @ref mark_failed() with an appropriate error message.
+  void setup_internal_();
+  /// @brief True if the touchscreen setup has completed successfully.
+  bool setup_done_{false};
+
+  InternalGPIOPin *interrupt_pin_{nullptr};
+  GPIOPin *reset_pin_{nullptr};
   std::vector<GT911ButtonListener *> button_listeners_;
   uint8_t button_state_{0xFF};  // last button state. Initial FF guarantees first update.
 };

esphome/components/i2s_audio/microphone/i2s_audio_microphone.cpp

@@ -24,9 +24,6 @@ static const uint32_t READ_DURATION_MS = 16;
 static const size_t TASK_STACK_SIZE = 4096;
 static const ssize_t TASK_PRIORITY = 23;
 
-// Use an exponential moving average to correct a DC offset with weight factor 1/1000
-static const int32_t DC_OFFSET_MOVING_AVERAGE_COEFFICIENT_DENOMINATOR = 1000;
-
 static const char *const TAG = "i2s_audio.microphone";
 
 enum MicrophoneEventGroupBits : uint32_t {
@@ -381,26 +378,57 @@ void I2SAudioMicrophone::mic_task(void *params) {
 }
 
 void I2SAudioMicrophone::fix_dc_offset_(std::vector<uint8_t> &data) {
+  /**
+   * From https://www.musicdsp.org/en/latest/Filters/135-dc-filter.html:
+   *
+   *     y(n) = x(n) - x(n-1) + R * y(n-1)
+   *     R = 1 - (pi * 2 * frequency / samplerate)
+   *
+   * From https://en.wikipedia.org/wiki/Hearing_range:
+   *     The human range is commonly given as 20Hz up.
+   *
+   * From https://en.wikipedia.org/wiki/High-resolution_audio:
+   *     A reasonable upper bound for sample rate seems to be 96kHz.
+   *
+   * Calculate R value for 20Hz on a 96kHz sample rate:
+   *     R = 1 - (pi * 2 * 20 / 96000)
+   *     R = 0.9986910031
+   *
+   * Transform floating point to bit-shifting approximation:
+   *     output = input - prev_input + R * prev_output
+   *     output = input - prev_input + (prev_output - (prev_output >> S))
+   *
+   * Approximate bit-shift value S from R:
+   *     R = 1 - (1 >> S)
+   *     R = 1 - (1 / 2^S)
+   *     R = 1 - 2^-S
+   *     0.9986910031 = 1 - 2^-S
+   *     S = 9.57732 ~= 10
+   *
+   * Actual R from S:
+   *     R = 1 - 2^-10 = 0.9990234375
+   *
+   * Confirm this has effect outside human hearing on 96000kHz sample:
+   *     0.9990234375 = 1 - (pi * 2 * f / 96000)
+   *     f = 14.9208Hz
+   *
+   * Confirm this has effect outside human hearing on PDM 16kHz sample:
+   *     0.9990234375 = 1 - (pi * 2 * f / 16000)
+   *     f = 2.4868Hz
+   *
+   */
+  const uint8_t dc_filter_shift = 10;
   const size_t bytes_per_sample = this->audio_stream_info_.samples_to_bytes(1);
   const uint32_t total_samples = this->audio_stream_info_.bytes_to_samples(data.size());
-
-  if (total_samples == 0) {
-    return;
-  }
-
-  int64_t offset_accumulator = 0;
   for (uint32_t sample_index = 0; sample_index < total_samples; ++sample_index) {
     const uint32_t byte_index = sample_index * bytes_per_sample;
-    int32_t sample = audio::unpack_audio_sample_to_q31(&data[byte_index], bytes_per_sample);
+    int32_t input = audio::unpack_audio_sample_to_q31(&data[byte_index], bytes_per_sample);
-    offset_accumulator += sample;
+    int32_t output = input - this->dc_offset_prev_input_ +
-    sample -= this->dc_offset_;
+                     (this->dc_offset_prev_output_ - (this->dc_offset_prev_output_ >> dc_filter_shift));
-    audio::pack_q31_as_audio_sample(sample, &data[byte_index], bytes_per_sample);
+    this->dc_offset_prev_input_ = input;
+    this->dc_offset_prev_output_ = output;
+    audio::pack_q31_as_audio_sample(output, &data[byte_index], bytes_per_sample);
   }
-
-  const int32_t new_offset = offset_accumulator / total_samples;
-  this->dc_offset_ = new_offset / DC_OFFSET_MOVING_AVERAGE_COEFFICIENT_DENOMINATOR +
-                     (DC_OFFSET_MOVING_AVERAGE_COEFFICIENT_DENOMINATOR - 1) * this->dc_offset_ /
-                         DC_OFFSET_MOVING_AVERAGE_COEFFICIENT_DENOMINATOR;
 }
 
 size_t I2SAudioMicrophone::read_(uint8_t *buf, size_t len, TickType_t ticks_to_wait) {

esphome/components/i2s_audio/microphone/i2s_audio_microphone.h

@@ -82,7 +82,8 @@ class I2SAudioMicrophone : public I2SAudioIn, public microphone::Microphone, pub
 
   bool correct_dc_offset_;
   bool locked_driver_{false};
-  int32_t dc_offset_{0};
+  int32_t dc_offset_prev_input_{0};
+  int32_t dc_offset_prev_output_{0};
 };
 
 }  // namespace i2s_audio