Dependencies:   mbed

Committer:
gbeardall
Date:
Mon Oct 17 10:42:00 2011 +0000
Revision:
0:2f78e3dca55d

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gbeardall 0:2f78e3dca55d 1 /*
gbeardall 0:2f78e3dca55d 2 * OneWireThermometer. Base class for Maxim One-Wire Thermometers.
gbeardall 0:2f78e3dca55d 3 * Uses the OneWireCRC library.
gbeardall 0:2f78e3dca55d 4 *
gbeardall 0:2f78e3dca55d 5 * Copyright (C) <2010> Petras Saduikis <petras@petras.co.uk>
gbeardall 0:2f78e3dca55d 6 *
gbeardall 0:2f78e3dca55d 7 * This file is part of OneWireThermometer.
gbeardall 0:2f78e3dca55d 8 *
gbeardall 0:2f78e3dca55d 9 * OneWireThermometer is free software: you can redistribute it and/or modify
gbeardall 0:2f78e3dca55d 10 * it under the terms of the GNU General Public License as published by
gbeardall 0:2f78e3dca55d 11 * the Free Software Foundation, either version 3 of the License, or
gbeardall 0:2f78e3dca55d 12 * (at your option) any later version.
gbeardall 0:2f78e3dca55d 13 *
gbeardall 0:2f78e3dca55d 14 * OneWireThermometer is distributed in the hope that it will be useful,
gbeardall 0:2f78e3dca55d 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
gbeardall 0:2f78e3dca55d 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
gbeardall 0:2f78e3dca55d 17 * GNU General Public License for more details.
gbeardall 0:2f78e3dca55d 18 *
gbeardall 0:2f78e3dca55d 19 * You should have received a copy of the GNU General Public License
gbeardall 0:2f78e3dca55d 20 * along with OneWireThermometer. If not, see <http://www.gnu.org/licenses/>.
gbeardall 0:2f78e3dca55d 21 */
gbeardall 0:2f78e3dca55d 22
gbeardall 0:2f78e3dca55d 23 #ifndef SNATCH59_ONEWIRETHERMOMETER_H
gbeardall 0:2f78e3dca55d 24 #define SNATCH59_ONEWIRETHERMOMETER_H
gbeardall 0:2f78e3dca55d 25
gbeardall 0:2f78e3dca55d 26 #include <mbed.h>
gbeardall 0:2f78e3dca55d 27 #include "OneWireCRC.h"
gbeardall 0:2f78e3dca55d 28 #include "OneWireDefs.h"
gbeardall 0:2f78e3dca55d 29
gbeardall 0:2f78e3dca55d 30 typedef unsigned char BYTE; // something a byte wide
gbeardall 0:2f78e3dca55d 31
gbeardall 0:2f78e3dca55d 32 class OneWireThermometer
gbeardall 0:2f78e3dca55d 33 {
gbeardall 0:2f78e3dca55d 34 public:
gbeardall 0:2f78e3dca55d 35 OneWireThermometer(bool crcOn, bool useAddr, bool parasitic, PinName pin, int device_id);
gbeardall 0:2f78e3dca55d 36
gbeardall 0:2f78e3dca55d 37 bool initialize();
gbeardall 0:2f78e3dca55d 38 float readTemperature();
gbeardall 0:2f78e3dca55d 39 virtual void setResolution(eResolution resln) = 0;
gbeardall 0:2f78e3dca55d 40
gbeardall 0:2f78e3dca55d 41 protected:
gbeardall 0:2f78e3dca55d 42 const bool useParasiticPower;
gbeardall 0:2f78e3dca55d 43 const bool useCRC;
gbeardall 0:2f78e3dca55d 44 const bool useAddress;
gbeardall 0:2f78e3dca55d 45 const int deviceId;
gbeardall 0:2f78e3dca55d 46
gbeardall 0:2f78e3dca55d 47 eResolution resolution;
gbeardall 0:2f78e3dca55d 48 BYTE address[8];
gbeardall 0:2f78e3dca55d 49
gbeardall 0:2f78e3dca55d 50 OneWireCRC oneWire;
gbeardall 0:2f78e3dca55d 51
gbeardall 0:2f78e3dca55d 52 void resetAndAddress();
gbeardall 0:2f78e3dca55d 53 bool readAndValidateData(BYTE* data);
gbeardall 0:2f78e3dca55d 54 virtual float calculateTemperature(BYTE* data) = 0; // device specific
gbeardall 0:2f78e3dca55d 55 };
gbeardall 0:2f78e3dca55d 56
gbeardall 0:2f78e3dca55d 57 #endif