40 lines
1,020 B
C++
40 lines
1,020 B
C++
#include "one_wire.h"
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namespace esphome {
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namespace one_wire {
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static const char *const TAG = "one_wire";
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const std::string &OneWireDevice::get_address_name() {
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if (this->address_name_.empty())
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this->address_name_ = std::string("0x") + format_hex(this->address_);
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return this->address_name_;
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}
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std::string OneWireDevice::unique_id() { return "dallas-" + str_lower_case(format_hex(this->address_)); }
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bool OneWireDevice::send_command_(uint8_t cmd) {
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if (!this->bus_->select(this->address_))
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return false;
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this->bus_->write8(cmd);
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return true;
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}
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bool OneWireDevice::check_address_() {
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if (this->address_ != 0)
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return true;
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auto devices = this->bus_->get_devices();
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if (devices.empty()) {
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ESP_LOGE(TAG, "No devices, can't auto-select address");
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return false;
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}
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if (devices.size() > 1) {
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ESP_LOGE(TAG, "More than one device, can't auto-select address");
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return false;
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}
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this->address_ = devices[0];
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return true;
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}
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} // namespace one_wire
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} // namespace esphome
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