ds248x_one_wire_bus.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/components/one_wire/one_wire_bus.h"
 
namespace esphome::ds248x {
 
class DS248xComponent;
 
class DS248xOneWireBus : public one_wire::OneWireBus, public Component {
 public:
  void setup() override;
  void dump_config() override;
  float get_setup_priority() const override { return setup_priority::BUS - 1.0f; }
 
  void set_parent(DS248xComponent *parent) { this->parent_ = parent; }
 
  void set_channel(uint8_t channel) { this->channel_ = channel; }
 
  uint8_t get_channel() const { return this->channel_; }
 
  // OneWireBus interface implementation
  int reset_int() override;
  void write8(uint8_t val) override;
  void write64(uint64_t val) override;
  uint8_t read8() override;
  uint64_t read64() override;
 
 protected:
  void reset_search() override;
  uint64_t search_int() override;
 
  bool ensure_channel_();
 
  DS248xComponent *parent_{nullptr};
  uint8_t channel_{0};
 
  // Search state
  uint64_t search_address_{0};
  uint8_t search_last_discrepancy_{0};
  bool search_last_device_flag_{false};
};
 
}  // namespace esphome::ds248x