mirror of
https://github.com/emsesp/EMS-ESP32.git
synced 2025-12-07 16:29:51 +03:00
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/*
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* EMS-ESP - https://github.com/proddy/EMS-ESP
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* Copyright 2019 Paul Derbyshire
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// code written by nomis - https://github.com/nomis
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#ifndef EMSESP_SENSORS_H
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#define EMSESP_SENSORS_H
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#include <string>
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#include <vector>
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#include "helpers.h"
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#include "settings.h"
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#include "mqtt.h"
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#include "console.h"
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#include <uuid/log.h>
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#ifndef EMSESP_STANDALONE
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#include <OneWire.h>
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#endif
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namespace emsesp {
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class Sensors {
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public:
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class Device {
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public:
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Device(const uint8_t addr[]);
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~Device() = default;
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uint64_t id() const;
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std::string to_string() const;
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float temperature_c_ = NAN;
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private:
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const uint64_t id_;
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};
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Sensors() = default;
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~Sensors() = default;
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void start();
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void loop();
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void publish_values();
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const std::vector<Device> devices() const;
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private:
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static constexpr uint8_t SENSOR_GPIO = 14; // D5
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enum class State { IDLE, READING, SCANNING };
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static constexpr size_t ADDR_LEN = 8;
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static constexpr size_t SCRATCHPAD_LEN = 9;
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static constexpr size_t SCRATCHPAD_TEMP_MSB = 1;
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static constexpr size_t SCRATCHPAD_TEMP_LSB = 0;
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static constexpr size_t SCRATCHPAD_CONFIG = 4;
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// dallas chips
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static constexpr uint8_t TYPE_DS18B20 = 0x28;
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static constexpr uint8_t TYPE_DS18S20 = 0x10;
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static constexpr uint8_t TYPE_DS1822 = 0x22;
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static constexpr uint8_t TYPE_DS1825 = 0x3B;
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static constexpr uint32_t READ_INTERVAL_MS = 5000; // 5 seconds
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static constexpr uint32_t READ_TIMEOUT_MS = 2000; // 2 seconds
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static constexpr uint32_t SCAN_TIMEOUT_MS = 30000; // 30 seconds
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static constexpr uint8_t CMD_CONVERT_TEMP = 0x44;
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static constexpr uint8_t CMD_READ_SCRATCHPAD = 0xBE;
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static uuid::log::Logger logger_;
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#ifndef EMSESP_STANDALONE
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OneWire bus_;
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#endif
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bool temperature_convert_complete();
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float get_temperature_c(const uint8_t addr[]);
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uint32_t last_activity_ = millis();
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uint32_t last_publish_ = millis();
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State state_ = State::IDLE;
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std::vector<Device> found_;
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std::vector<Device> devices_;
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uint8_t mqtt_format_;
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};
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} // namespace emsesp
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#endif
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