esphome/esphome/components/i2c/i2c.cpp

#include "i2c.h"
#include "esphome/core/log.h"
#include <memory>

namespace esphome {
namespace i2c {

static const char *const TAG = "i2c";

bool I2CDevice::write_bytes_16(uint8_t a_register, const uint16_t *data, uint8_t len) {
  // we have to copy in order to be able to change byte order
  std::unique_ptr<uint16_t[]> temp{new uint16_t[len]};
  for (size_t i = 0; i < len; i++)
    temp[i] = htoi2cs(data[i]);
  return write_register(a_register, reinterpret_cast<const uint8_t *>(temp.get()), len * 2) == ERROR_OK;
}

I2CRegister &I2CRegister::operator=(uint8_t value) {
  this->parent_->write_register(this->register_, &value, 1);
  return *this;
}
I2CRegister &I2CRegister::operator&=(uint8_t value) {
  value &= get();
  this->parent_->write_register(this->register_, &value, 1);
  return *this;
}
I2CRegister &I2CRegister::operator|=(uint8_t value) {
  value |= get();
  this->parent_->write_register(this->register_, &value, 1);
  return *this;
}

uint8_t I2CRegister::get() const {
  uint8_t value = 0x00;
  this->parent_->read_register(this->register_, &value, 1);
  return value;
}

}  // namespace i2c
}  // namespace esphome