Library for Programmable Resolution 1-Wire Digital ThermometerDS18B20
OneWireThermometer.h
- Committer:
- kriedel
- Date:
- 2011-02-03
- Revision:
- 0:21c0c97a5d7c
File content as of revision 0:21c0c97a5d7c:
/* * OneWireThermometer. Base class for Maxim One-Wire Thermometers. * Uses the OneWireCRC library. * * Copyright (C) <2010> Petras Saduikis <petras@petras.co.uk> * * This file is part of OneWireThermometer. * * OneWireThermometer is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * OneWireThermometer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OneWireThermometer. If not, see <http://www.gnu.org/licenses/>. */ #ifndef SNATCH59_ONEWIRETHERMOMETER_H #define SNATCH59_ONEWIRETHERMOMETER_H #include <mbed.h> #include "OneWireCRC.h" #include "OneWireDefs.h" typedef unsigned char BYTE; // something a byte wide class OneWireThermometer { public: OneWireThermometer(bool crcOn, bool useAddr, bool parasitic, PinName pin, int device_id); bool initialize(); float readTemperature(); virtual void setResolution(eResolution resln) = 0; protected: const bool useParasiticPower; const bool useCRC; const bool useAddress; const int deviceId; eResolution resolution; BYTE address[8]; OneWireCRC oneWire; void resetAndAddress(); bool readAndValidateData(BYTE* data); virtual float calculateTemperature(BYTE* data) = 0; // device specific }; #endif