122 lines
3.7 KiB
C++
122 lines
3.7 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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#include "../../lib/Adafruit_BME280_Library/Adafruit_BME280.h"
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#include "DataFilter.h"
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//#define SINGLE_DS18B20_SENSOR
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const int MAX_DS18B20_DEVICES = 3;
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class CSensor {
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public:
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CSensor() {};
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bool getTemperature(float& tempReading, bool filtered);
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const char* getID();
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};
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class CDS18B20probe {
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DS18B20_Info * pSensorInfo;
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DS18B20_ERROR error;
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int holdoff;
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float reading;
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CExpMean filter;
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public:
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CDS18B20probe();
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void init();
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void assign(DS18B20_Info *pInfo) { pSensorInfo = pInfo; };
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void release();
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bool readSensor();
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void setError(DS18B20_ERROR err) { error = err; };
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bool OK() { return error == DS18B20_OK; };
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// bool setROMcode(OneWireBus_ROMCode rom_code) ;
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OneWireBus_ROMCode getROMcode() const;
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DS18B20_Info* getSensorInfo() { return pSensorInfo; };
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float getReading(bool filtered);
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bool matchROMcode(uint8_t test[8]);
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};
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class CDS18B20Sensor : public CSensor {
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OneWireBus * _owb;
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owb_rmt_driver_info _rmt_driver_info;
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CDS18B20probe _Sensors[MAX_DS18B20_DEVICES];
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int _nNumSensors;
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int _sensorMap[MAX_DS18B20_DEVICES];
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bool _discover();
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public:
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CDS18B20Sensor();
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void begin(int pin);
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bool find();
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bool readSensors();
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void startConvert();
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void waitConvertDone();
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int checkNumSensors() const;
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bool getTemperature(int mapIdx, float& tempReading, bool filtered);
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bool getTemperatureIdx(int sensIdx, float& tempReading, bool filtered) ; // index is sensor discovery order on one-wire bus
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bool getRomCodeIdx(int sensIdx, OneWireBus_ROMCode& romCode) const; // index is sensor discovery order on one-wire bus
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bool mapSensor(int idx, OneWireBus_ROMCode romCode = { 0 } );
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int getNumSensors() const { return _nNumSensors; };
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const char* getID();
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};
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class CBME280Sensor : public CSensor {
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Adafruit_BME280 _bme; // I2C
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long _lastSampleTime;
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float _lastTemperature;
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int _count;
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CExpMean _Filter;
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public:
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CBME280Sensor();
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bool begin(int ID);
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bool getTemperature(float& tempReading, bool filtered) ;
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const char* getID();
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int getCount() const { return _count; };
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};
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class CTempSense {
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CDS18B20Sensor DS18B20;
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CBME280Sensor BME280;
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bool _discover();
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public:
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CTempSense();
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void begin(int oneWirePin, int I2CID);
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bool readSensors();
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void startConvert();
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bool getTemperature(int usrIdx, float& tempReading, bool filtered=true) ; // indexed as mapped by user
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float getOffset(int usrIdx);
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void setOffset(int usrIdx, float offset);
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bool getTemperatureBME280(float& tempReading) ; // index is sensor discovery order on one-wire bus
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bool getTemperatureDS18B20Idx(int sensIdx, float& tempReading) ; // index is sensor discovery order on one-wire bus
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int getNumSensors() const;
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CBME280Sensor& getBME280() { return BME280; };
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CDS18B20Sensor& getDS18B20() { return DS18B20; };
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};
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#endif
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