![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Diff: OneWireThermometer.h
- Revision:
- 0:2f78e3dca55d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OneWireThermometer.h Mon Oct 17 10:42:00 2011 +0000 @@ -0,0 +1,57 @@ +/* +* 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 \ No newline at end of file