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esphome/esphome/components/remote_transmitter/remote_transmitter.h
2025-10-29 12:40:22 -04:00

105 lines
3.0 KiB
C++

#pragma once
#include "esphome/components/remote_base/remote_base.h"
#include "esphome/core/component.h"
#include <vector>
#if defined(USE_ESP32)
#include <driver/rmt_tx.h>
#endif
namespace esphome {
namespace remote_transmitter {
#ifdef USE_ESP32
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
// IDF version 5.5.1 and above is required because of a bug in
// the RMT encoder: https://github.com/espressif/esp-idf/issues/17244
typedef union { // NOLINT(modernize-use-using)
struct {
uint16_t duration : 15;
uint16_t level : 1;
};
uint16_t val;
} rmt_symbol_half_t;
struct RemoteTransmitterComponentStore {
uint32_t times{0};
uint32_t index{0};
};
#endif
#endif
class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
public Component
#ifdef USE_ESP32
,
public remote_base::RemoteRMTChannel
#endif
{
public:
explicit RemoteTransmitterComponent(InternalGPIOPin *pin) : remote_base::RemoteTransmitterBase(pin) {}
void setup() override;
void dump_config() override;
// transmitter setup must run after receiver setup to allow the same GPIO to be used by both
float get_setup_priority() const override { return setup_priority::DATA - 1; }
void set_carrier_duty_percent(uint8_t carrier_duty_percent) { this->carrier_duty_percent_ = carrier_duty_percent; }
void digital_write(bool value);
#if defined(USE_ESP32)
void set_with_dma(bool with_dma) { this->with_dma_ = with_dma; }
void set_eot_level(bool eot_level) { this->eot_level_ = eot_level; }
void set_non_blocking(bool non_blocking) { this->non_blocking_ = non_blocking; }
#endif
Trigger<> *get_transmit_trigger() const { return this->transmit_trigger_; };
Trigger<> *get_complete_trigger() const { return this->complete_trigger_; };
protected:
void send_internal(uint32_t send_times, uint32_t send_wait) override;
#if defined(USE_ESP8266) || defined(USE_LIBRETINY)
void calculate_on_off_time_(uint32_t carrier_frequency, uint32_t *on_time_period, uint32_t *off_time_period);
void mark_(uint32_t on_time, uint32_t off_time, uint32_t usec);
void space_(uint32_t usec);
void await_target_time_();
uint32_t target_time_;
#endif
#ifdef USE_ESP32
void configure_rmt_();
void wait_for_rmt_();
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
RemoteTransmitterComponentStore store_{};
std::vector<rmt_symbol_half_t> rmt_temp_;
#else
std::vector<rmt_symbol_word_t> rmt_temp_;
#endif
uint32_t current_carrier_frequency_{38000};
bool initialized_{false};
bool with_dma_{false};
bool eot_level_{false};
rmt_channel_handle_t channel_{NULL};
rmt_encoder_handle_t encoder_{NULL};
esp_err_t error_code_{ESP_OK};
std::string error_string_{""};
bool inverted_{false};
bool non_blocking_{false};
#endif
uint8_t carrier_duty_percent_;
Trigger<> *transmit_trigger_{new Trigger<>()};
Trigger<> *complete_trigger_{new Trigger<>()};
};
} // namespace remote_transmitter
} // namespace esphome