64 lines
2 KiB
C++
64 lines
2 KiB
C++
/*
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* This file is part of the "bluetoothheater" distribution
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* (https://gitlab.com/mrjones.id.au/bluetoothheater)
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*
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* Copyright (C) 2018 Ray Jones <ray@mrjones.id.au>
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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 <https://www.gnu.org/licenses/>.
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*
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*/
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#ifndef __BTC_TEMPSENSE_H__
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#define __BTC_TEMPSENSE_H__
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#include "../../lib/esp32-ds18b20/ds18b20.h"
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//#define SINGLE_DS18B20_SENSOR
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const int MAX_DS18B20_DEVICES = 3;
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class CTempSense {
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OneWireBus * _owb;
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owb_rmt_driver_info _rmt_driver_info;
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DS18B20_Info * _Sensors[MAX_DS18B20_DEVICES];
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OneWireBus_ROMCode _device_rom_codes[MAX_DS18B20_DEVICES];
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int _nNumSensors;
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float _Readings[MAX_DS18B20_DEVICES];
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DS18B20_ERROR _Errors[MAX_DS18B20_DEVICES];
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bool _discover();
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int _sensorMap[3];
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public:
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CTempSense();
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void begin(int pin);
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bool find();
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#ifdef SINGLE_DS18B20_SENSOR
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bool readROMcode();
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bool attach();
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#endif
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bool readSensors();
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void startConvert();
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void waitConvertDone();
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bool getTemperature(float& tempReading, int mapIdx=0); // indexed as mapped by user
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bool getTemperatureIdx(float& tempReading, int selSensor=0); // index is discovery order on one-wire bus
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bool getRomCodeIdx(OneWireBus_ROMCode& romCode, int selSensor=0); // index is discovery order on one-wire bus
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int checkNumSensors() const;
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int getNumSensors() const { return _nNumSensors; };
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bool mapSensor(int idx, OneWireBus_ROMCode romCode = { 0 } );
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};
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#endif
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