First Publish
Dependencies: BridgeDriver2 FrontPanelButtons MAX31855 MCP23017 SDFileSystem TextLCD mbed
OneWireThermometer.h
- Committer:
- mehatfie
- Date:
- 2014-11-10
- Revision:
- 0:20e78c9d2ea9
File content as of revision 0:20e78c9d2ea9:
/*
* 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