ESPHome 2026.2.3
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esphome::hydreon_rgxx::HydreonRGxxComponent Class Reference

#include <hydreon_rgxx.h>

Inheritance diagram for esphome::hydreon_rgxx::HydreonRGxxComponent:
esphome::PollingComponent esphome::uart::UARTDevice esphome::Component

Public Member Functions

void set_sensor (sensor::Sensor *sensor, int index)
 
void set_too_cold_sensor (binary_sensor::BinarySensor *sensor)
 
void set_lens_bad_sensor (binary_sensor::BinarySensor *sensor)
 
void set_em_sat_sensor (binary_sensor::BinarySensor *sensor)
 
void set_model (RGModel model)
 
void set_resolution (RG15Resolution resolution)
 
void set_request_temperature (bool b)
 
void update () override
 Schedule data readings.
 
void loop () override
 Read data once available.
 
void setup () override
 Setup the sensor and test for a connection.
 
void dump_config () override
 
void set_disable_led (bool disable_led)
 
- Public Member Functions inherited from esphome::PollingComponent
 PollingComponent ()
 
 PollingComponent (uint32_t update_interval)
 Initialize this polling component with the given update interval in ms.
 
virtual void set_update_interval (uint32_t update_interval)
 Manually set the update interval in ms for this polling object.
 
void call_setup () override
 
virtual uint32_t get_update_interval () const
 Get the update interval in ms of this sensor.
 
void start_poller ()
 
void stop_poller ()
 
- Public Member Functions inherited from esphome::Component
virtual float get_setup_priority () const
 priority of setup().
 
float get_actual_setup_priority () const
 
void set_setup_priority (float priority)
 
virtual float get_loop_priority () const
 priority of loop().
 
void call ()
 
virtual void on_shutdown ()
 
virtual void on_safe_shutdown ()
 
virtual bool teardown ()
 Called during teardown to allow component to gracefully finish operations.
 
virtual void on_powerdown ()
 Called after teardown is complete to power down hardware.
 
uint8_t get_component_state () const
 
void reset_to_construction_state ()
 Reset this component back to the construction state to allow setup to run again.
 
bool is_in_loop_state () const
 Check if this component has completed setup and is in the loop state.
 
bool is_idle () const
 Check if this component is idle.
 
virtual void mark_failed ()
 Mark this component as failed.
 
 ESPDEPRECATED ("Use mark_failed(LOG_STR(\"static string literal\")) instead. Do NOT use .c_str() from temporary " "strings. Will stop working in 2026.6.0", "2025.12.0") void mark_failed(const char *message)
 
void mark_failed (const LogString *message)
 
void disable_loop ()
 Disable this component's loop.
 
void enable_loop ()
 Enable this component's loop.
 
void enable_loop_soon_any_context ()
 Thread and ISR-safe version of enable_loop() that can be called from any context.
 
bool is_failed () const
 
bool is_ready () const
 
virtual bool can_proceed ()
 
bool status_has_warning () const
 
bool status_has_error () const
 
void status_set_warning (const char *message=nullptr)
 
void status_set_warning (const LogString *message)
 
void status_set_error ()
 
 ESPDEPRECATED ("Use status_set_error(LOG_STR(\"static string literal\")) instead. Do NOT use .c_str() from temporary " "strings. Will stop working in 2026.6.0", "2025.12.0") void status_set_error(const char *message)
 
void status_set_error (const LogString *message)
 
void status_clear_warning ()
 
void status_clear_error ()
 
void status_momentary_warning (const char *name, uint32_t length=5000)
 Set warning status flag and automatically clear it after a timeout.
 
void status_momentary_error (const char *name, uint32_t length=5000)
 Set error status flag and automatically clear it after a timeout.
 
bool has_overridden_loop () const
 
void set_component_source (const LogString *source)
 Set where this component was loaded from for some debug messages.
 
const LogString * get_component_log_str () const
 Get the integration where this component was declared as a LogString for logging.
 
bool should_warn_of_blocking (uint32_t blocking_time)
 
- Public Member Functions inherited from esphome::uart::UARTDevice
 UARTDevice ()=default
 
 UARTDevice (UARTComponent *parent)
 
void set_uart_parent (UARTComponent *parent)
 
void write_byte (uint8_t data)
 
void set_rx_full_threshold (size_t rx_full_threshold)
 
void set_rx_full_threshold_ms (size_t time)
 
size_t get_rx_full_threshold ()
 
void set_rx_timeout (size_t rx_timeout)
 
size_t get_rx_timeout ()
 
void write_array (const uint8_t *data, size_t len)
 
void write_array (const std::vector< uint8_t > &data)
 
template<size_t N>
void write_array (const std::array< uint8_t, N > &data)
 
void write_str (const char *str)
 
bool read_byte (uint8_t *data)
 
bool peek_byte (uint8_t *data)
 
bool read_array (uint8_t *data, size_t len)
 
template<size_t N>
optional< std::array< uint8_t, N > > read_array ()
 
size_t available ()
 
void flush ()
 
int read ()
 
size_t write (uint8_t data)
 
int peek ()
 
void check_uart_settings (uint32_t baud_rate, uint8_t stop_bits=1, UARTParityOptions parity=UART_CONFIG_PARITY_NONE, uint8_t data_bits=8)
 Check that the configuration of the UART bus matches the provided values and otherwise print a warning.
 

Protected Member Functions

void process_line_ ()
 
void schedule_reboot_ ()
 Communication with the sensor is asynchronous.
 
bool buffer_starts_with_ (const std::string &prefix)
 
bool buffer_starts_with_ (const char *prefix)
 
int num_sensors_missing_ ()
 
- Protected Member Functions inherited from esphome::Component
virtual void call_loop ()
 
virtual void call_dump_config ()
 
void set_component_state_ (uint8_t state)
 Helper to set component state (clears state bits and sets new state)
 
void set_interval (uint32_t id, uint32_t interval, std::function< void()> &&f)
 Set an interval function with a numeric ID (zero heap allocation).
 
void set_interval (InternalSchedulerID id, uint32_t interval, std::function< void()> &&f)
 
void set_interval (uint32_t interval, std::function< void()> &&f)
 
bool cancel_interval (uint32_t id)
 
bool cancel_interval (InternalSchedulerID id)
 
ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std ESPDEPRECATED ("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const char *name
 
 ESPDEPRECATED ("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(uint32_t id
 
 ESPDEPRECATED ("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(uint32_t initial_wait_time
 
ESPDEPRECATED("cancel_retry is deprecated and will be removed in 2026.8.0.", "2026.2.0") bool cancel_retry(const std ESPDEPRECATED ("cancel_retry is deprecated and will be removed in 2026.8.0.", "2026.2.0") bool cancel_retry(const char *name)
 
 ESPDEPRECATED ("cancel_retry is deprecated and will be removed in 2026.8.0.", "2026.2.0") bool cancel_retry(uint32_t id)
 
void set_timeout (uint32_t id, uint32_t timeout, std::function< void()> &&f)
 Set a timeout function with a numeric ID (zero heap allocation).
 
void set_timeout (InternalSchedulerID id, uint32_t timeout, std::function< void()> &&f)
 
void set_timeout (uint32_t timeout, std::function< void()> &&f)
 
bool cancel_timeout (uint32_t id)
 
bool cancel_timeout (InternalSchedulerID id)
 
void defer (std::function< void()> &&f)
 Defer a callback to the next loop() call.
 
void defer (uint32_t id, std::function< void()> &&f)
 Defer a callback with a numeric ID (zero heap allocation)
 
bool cancel_defer (uint32_t id)
 

Protected Attributes

sensor::Sensorsensors_ [NUM_SENSORS] = {nullptr}
 
binary_sensor::BinarySensortoo_cold_sensor_ {nullptr}
 
binary_sensor::BinarySensorlens_bad_sensor_ {nullptr}
 
binary_sensor::BinarySensorem_sat_sensor_ {nullptr}
 
int16_t boot_count_ = 0
 
int16_t no_response_count_ = 0
 
std::string buffer_
 
RGModel model_ = RG9
 
RG15Resolution resolution_ = FORCE_HIGH
 
int sw_version_ = 0
 
bool too_cold_ = false
 
bool lens_bad_ = false
 
bool em_sat_ = false
 
bool request_temperature_ = false
 
bool disable_led_ = false
 
int sensors_received_ = -1
 
- Protected Attributes inherited from esphome::PollingComponent
uint32_t update_interval_
 
- Protected Attributes inherited from esphome::Component
ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") void set_interval(const std voi set_interval )(const char *name, uint32_t interval, std::function< void()> &&f)
 Set an interval function with a unique name.
 
ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") bool cancel_interval(const std boo cancel_interval )(const char *name)
 Cancel an interval function.
 
ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t initial_wait_time
 
ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t uint8_t max_attempts
 
ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t uint8_t std::function< RetryResult(uint8_t)> && f
 
ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t uint8_t std::function< RetryResult(uint8_t)> float backoff_increase_factor = 1.0f)
 
uint32_t initial_wait_time
 
uint32_t uint8_t max_attempts
 
uint32_t uint8_t std::function< RetryResult(uint8_t)> && f
 
uint32_t uint8_t std::function< RetryResult(uint8_t)> float backoff_increase_factor = 1.0f)
 
uint8_t max_attempts
 
uint8_t std::function< RetryResult(uint8_t)> && f
 
uint8_t std::function< RetryResult(uint8_t)> float backoff_increase_factor = 1.0f)
 
ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") void set_timeout(const std voi set_timeout )(const char *name, uint32_t timeout, std::function< void()> &&f)
 Set a timeout function with a unique name.
 
ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") bool cancel_timeout(const std boo cancel_timeout )(const char *name)
 Cancel a timeout function.
 
ESPDEPRECATED("Use const char* overload instead. Removed in 2026.7.0", "2026.1.0") void defer(const std voi defer )(const char *name, std::function< void()> &&f)
 Defer a callback to the next loop() call.
 
ESPDEPRECATED("Use const char* overload instead. Removed in 2026.7.0", "2026.1.0") bool cancel_defer(const std boo cancel_defer )(const char *name)
 Cancel a defer callback using the specified name, name must not be empty.
 
const LogString * component_source_ {nullptr}
 
uint16_t warn_if_blocking_over_ {WARN_IF_BLOCKING_OVER_MS}
 Warn if blocked for this many ms (max 65.5s)
 
uint8_t component_state_ {0x00}
 State of this component - each bit has a purpose: Bits 0-2: Component state (0x00=CONSTRUCTION, 0x01=SETUP, 0x02=LOOP, 0x03=FAILED, 0x04=LOOP_DONE) Bit 3: STATUS_LED_WARNING Bit 4: STATUS_LED_ERROR Bits 5-7: Unused - reserved for future expansion.
 
volatile bool pending_enable_loop_ {false}
 ISR-safe flag for enable_loop_soon_any_context.
 
- Protected Attributes inherited from esphome::uart::UARTDevice
UARTComponentparent_ {nullptr}
 

Detailed Description

Definition at line 36 of file hydreon_rgxx.h.

Member Function Documentation

◆ buffer_starts_with_() [1/2]

bool esphome::hydreon_rgxx::HydreonRGxxComponent::buffer_starts_with_ ( const char * prefix)
protected

◆ buffer_starts_with_() [2/2]

bool esphome::hydreon_rgxx::HydreonRGxxComponent::buffer_starts_with_ ( const std::string & prefix)
protected

◆ dump_config()

void esphome::hydreon_rgxx::HydreonRGxxComponent::dump_config ( )
overridevirtual

Reimplemented from esphome::Component.

Definition at line 14 of file hydreon_rgxx.cpp.

◆ loop()

void esphome::hydreon_rgxx::HydreonRGxxComponent::loop ( )
overridevirtual

Read data once available.

Reimplemented from esphome::Component.

Definition at line 113 of file hydreon_rgxx.cpp.

◆ num_sensors_missing_()

int esphome::hydreon_rgxx::HydreonRGxxComponent::num_sensors_missing_ ( )
protected

Definition at line 50 of file hydreon_rgxx.cpp.

◆ process_line_()

void esphome::hydreon_rgxx::HydreonRGxxComponent::process_line_ ( )
protected

Definition at line 161 of file hydreon_rgxx.cpp.

◆ schedule_reboot_()

void esphome::hydreon_rgxx::HydreonRGxxComponent::schedule_reboot_ ( )
protected

Communication with the sensor is asynchronous.

We send requests and let esphome continue doing its thing. Once we have received a complete line, we process it.

Catching communication failures is done in two layers:

  1. We check if all requested data has been received before we send out the next request. If data keeps missing, we escalate.
  2. Request the sensor to reboot. We retry based on a timeout. If the sensor does not respond after several boot attempts, we give up.

Definition at line 141 of file hydreon_rgxx.cpp.

◆ set_disable_led()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_disable_led ( bool disable_led)
inline

Definition at line 56 of file hydreon_rgxx.h.

◆ set_em_sat_sensor()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_em_sat_sensor ( binary_sensor::BinarySensor * sensor)
inline

Definition at line 42 of file hydreon_rgxx.h.

◆ set_lens_bad_sensor()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_lens_bad_sensor ( binary_sensor::BinarySensor * sensor)
inline

Definition at line 41 of file hydreon_rgxx.h.

◆ set_model()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_model ( RGModel model)
inline

Definition at line 44 of file hydreon_rgxx.h.

◆ set_request_temperature()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_request_temperature ( bool b)
inline

Definition at line 46 of file hydreon_rgxx.h.

◆ set_resolution()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_resolution ( RG15Resolution resolution)
inline

Definition at line 45 of file hydreon_rgxx.h.

◆ set_sensor()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_sensor ( sensor::Sensor * sensor,
int index )
inline

Definition at line 38 of file hydreon_rgxx.h.

◆ set_too_cold_sensor()

void esphome::hydreon_rgxx::HydreonRGxxComponent::set_too_cold_sensor ( binary_sensor::BinarySensor * sensor)
inline

Definition at line 40 of file hydreon_rgxx.h.

◆ setup()

void esphome::hydreon_rgxx::HydreonRGxxComponent::setup ( )
overridevirtual

Setup the sensor and test for a connection.

Reimplemented from esphome::Component.

Definition at line 43 of file hydreon_rgxx.cpp.

◆ update()

void esphome::hydreon_rgxx::HydreonRGxxComponent::update ( )
overridevirtual

Schedule data readings.

Implements esphome::PollingComponent.

Definition at line 67 of file hydreon_rgxx.cpp.

Field Documentation

◆ boot_count_

int16_t esphome::hydreon_rgxx::HydreonRGxxComponent::boot_count_ = 0
protected

Definition at line 72 of file hydreon_rgxx.h.

◆ buffer_

std::string esphome::hydreon_rgxx::HydreonRGxxComponent::buffer_
protected

Definition at line 74 of file hydreon_rgxx.h.

◆ disable_led_

bool esphome::hydreon_rgxx::HydreonRGxxComponent::disable_led_ = false
protected

Definition at line 84 of file hydreon_rgxx.h.

◆ em_sat_

bool esphome::hydreon_rgxx::HydreonRGxxComponent::em_sat_ = false
protected

Definition at line 82 of file hydreon_rgxx.h.

◆ em_sat_sensor_

binary_sensor::BinarySensor* esphome::hydreon_rgxx::HydreonRGxxComponent::em_sat_sensor_ {nullptr}
protected

Definition at line 69 of file hydreon_rgxx.h.

◆ lens_bad_

bool esphome::hydreon_rgxx::HydreonRGxxComponent::lens_bad_ = false
protected

Definition at line 81 of file hydreon_rgxx.h.

◆ lens_bad_sensor_

binary_sensor::BinarySensor* esphome::hydreon_rgxx::HydreonRGxxComponent::lens_bad_sensor_ {nullptr}
protected

Definition at line 68 of file hydreon_rgxx.h.

◆ model_

RGModel esphome::hydreon_rgxx::HydreonRGxxComponent::model_ = RG9
protected

Definition at line 76 of file hydreon_rgxx.h.

◆ no_response_count_

int16_t esphome::hydreon_rgxx::HydreonRGxxComponent::no_response_count_ = 0
protected

Definition at line 73 of file hydreon_rgxx.h.

◆ request_temperature_

bool esphome::hydreon_rgxx::HydreonRGxxComponent::request_temperature_ = false
protected

Definition at line 83 of file hydreon_rgxx.h.

◆ resolution_

RG15Resolution esphome::hydreon_rgxx::HydreonRGxxComponent::resolution_ = FORCE_HIGH
protected

Definition at line 77 of file hydreon_rgxx.h.

◆ sensors_

sensor::Sensor* esphome::hydreon_rgxx::HydreonRGxxComponent::sensors_[NUM_SENSORS] = {nullptr}
protected

Definition at line 65 of file hydreon_rgxx.h.

◆ sensors_received_

int esphome::hydreon_rgxx::HydreonRGxxComponent::sensors_received_ = -1
protected

Definition at line 87 of file hydreon_rgxx.h.

◆ sw_version_

int esphome::hydreon_rgxx::HydreonRGxxComponent::sw_version_ = 0
protected

Definition at line 79 of file hydreon_rgxx.h.

◆ too_cold_

bool esphome::hydreon_rgxx::HydreonRGxxComponent::too_cold_ = false
protected

Definition at line 80 of file hydreon_rgxx.h.

◆ too_cold_sensor_

binary_sensor::BinarySensor* esphome::hydreon_rgxx::HydreonRGxxComponent::too_cold_sensor_ {nullptr}
protected

Definition at line 67 of file hydreon_rgxx.h.


The documentation for this class was generated from the following files: