gpio_one_wire.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "esphome/components/one_wire/one_wire.h"
 
namespace esphome::gpio {
 
class GPIOOneWireBus : public one_wire::OneWireBus, public Component {
 public:
  void setup() override;
  void dump_config() override;
  float get_setup_priority() const override { return setup_priority::BUS; }
 
  void set_pin(InternalGPIOPin *pin) {
    this->t_pin_ = pin;
    this->pin_ = pin->to_isr();
  }
 
  void write8(uint8_t val) override;
  void write64(uint64_t val) override;
  uint8_t read8() override;
  uint64_t read64() override;
 
 protected:
  InternalGPIOPin *t_pin_;
  ISRInternalGPIOPin pin_;
  uint8_t last_discrepancy_{0};
  bool last_device_flag_{false};
  uint64_t address_;
 
  int reset_int() override;
  void reset_search() override;
  uint64_t search_int() override;
  void write_bit_(bool bit);
  bool read_bit_();
  bool read_bit_(uint32_t *t);
};
 
}  // namespace esphome::gpio