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40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#include "i2c.h"
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#include "esphome/core/log.h"
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#include <memory>
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namespace esphome {
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namespace i2c {
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static const char *const TAG = "i2c";
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bool I2CDevice::write_bytes_16(uint8_t a_register, const uint16_t *data, uint8_t len) {
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// we have to copy in order to be able to change byte order
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std::unique_ptr<uint16_t[]> temp{new uint16_t[len]};
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for (size_t i = 0; i < len; i++)
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temp[i] = htoi2cs(data[i]);
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return write_register(a_register, reinterpret_cast<const uint8_t *>(temp.get()), len * 2) == ERROR_OK;
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}
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I2CRegister &I2CRegister::operator=(uint8_t value) {
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this->parent_->write_register(this->register_, &value, 1);
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return *this;
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}
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I2CRegister &I2CRegister::operator&=(uint8_t value) {
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value &= get();
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this->parent_->write_register(this->register_, &value, 1);
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return *this;
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}
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I2CRegister &I2CRegister::operator|=(uint8_t value) {
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value |= get();
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this->parent_->write_register(this->register_, &value, 1);
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return *this;
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}
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uint8_t I2CRegister::get() const {
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uint8_t value = 0x00;
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this->parent_->read_register(this->register_, &value, 1);
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return value;
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}
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} // namespace i2c
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} // namespace esphome
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