tca9548a.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/components/i2c/i2c.h"
 
namespace esphome {
namespace tca9548a {
 
static const uint8_t TCA9548A_DISABLE_CHANNELS_COMMAND = 0x00;
 
class TCA9548AComponent;
class TCA9548AChannel : public i2c::I2CBus {
 public:
  void set_channel(uint8_t channel) { channel_ = channel; }
  void set_parent(TCA9548AComponent *parent) { parent_ = parent; }
 
  i2c::ErrorCode readv(uint8_t address, i2c::ReadBuffer *buffers, size_t cnt) override;
  i2c::ErrorCode writev(uint8_t address, i2c::WriteBuffer *buffers, size_t cnt, bool stop) override;
 
 protected:
  uint8_t channel_;
  TCA9548AComponent *parent_;
};
 
class TCA9548AComponent : public Component, public i2c::I2CDevice {
 public:
  void setup() override;
  void dump_config() override;
  float get_setup_priority() const override { return setup_priority::IO; }
  void update();
 
  i2c::ErrorCode switch_to_channel(uint8_t channel);
  void disable_all_channels();
 
 protected:
  friend class TCA9548AChannel;
};
}  // namespace tca9548a
}  // namespace esphome