jack zen / OneWire

DS18B20

Dependents:   DS1820_HelloWorld

OneWireThermometer.h@0:a47e8ec71a4e, 2017-09-06 (annotated)

Committer:
jack__zen
Date:
Wed Sep 06 05:35:15 2017 +0000
Revision:
0:a47e8ec71a4e
onewire

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jack__zen 0:a47e8ec71a4e 1 /*
jack__zen 0:a47e8ec71a4e 2 * OneWireThermometer. Base class for Maxim One-Wire Thermometers.
jack__zen 0:a47e8ec71a4e 3 * Uses the OneWireCRC library.
jack__zen 0:a47e8ec71a4e 4 *
jack__zen 0:a47e8ec71a4e 5 * Copyright (C) <2010> Petras Saduikis <petras@petras.co.uk>
jack__zen 0:a47e8ec71a4e 6 *
jack__zen 0:a47e8ec71a4e 7 * This file is part of OneWireThermometer.
jack__zen 0:a47e8ec71a4e 8 *
jack__zen 0:a47e8ec71a4e 9 * OneWireThermometer is free software: you can redistribute it and/or modify
jack__zen 0:a47e8ec71a4e 10 * it under the terms of the GNU General Public License as published by
jack__zen 0:a47e8ec71a4e 11 * the Free Software Foundation, either version 3 of the License, or
jack__zen 0:a47e8ec71a4e 12 * (at your option) any later version.
jack__zen 0:a47e8ec71a4e 13 *
jack__zen 0:a47e8ec71a4e 14 * OneWireThermometer is distributed in the hope that it will be useful,
jack__zen 0:a47e8ec71a4e 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
jack__zen 0:a47e8ec71a4e 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
jack__zen 0:a47e8ec71a4e 17 * GNU General Public License for more details.
jack__zen 0:a47e8ec71a4e 18 *
jack__zen 0:a47e8ec71a4e 19 * You should have received a copy of the GNU General Public License
jack__zen 0:a47e8ec71a4e 20 * along with OneWireThermometer. If not, see <http://www.gnu.org/licenses/>.
jack__zen 0:a47e8ec71a4e 21 */
jack__zen 0:a47e8ec71a4e 22
jack__zen 0:a47e8ec71a4e 23 #ifndef SNATCH59_ONEWIRETHERMOMETER_H
jack__zen 0:a47e8ec71a4e 24 #define SNATCH59_ONEWIRETHERMOMETER_H
jack__zen 0:a47e8ec71a4e 25
jack__zen 0:a47e8ec71a4e 26 #include <mbed.h>
jack__zen 0:a47e8ec71a4e 27 #include "OneWireCRC.h"
jack__zen 0:a47e8ec71a4e 28 #include "OneWireDefs.h"
jack__zen 0:a47e8ec71a4e 29
jack__zen 0:a47e8ec71a4e 30 typedef unsigned char BYTE; // something a byte wide
jack__zen 0:a47e8ec71a4e 31
jack__zen 0:a47e8ec71a4e 32 class OneWireThermometer
jack__zen 0:a47e8ec71a4e 33 {
jack__zen 0:a47e8ec71a4e 34 public:
jack__zen 0:a47e8ec71a4e 35 OneWireThermometer(bool crcOn, bool useAddr, bool parasitic, PinName pin, int device_id);
jack__zen 0:a47e8ec71a4e 36
jack__zen 0:a47e8ec71a4e 37 bool initialize();
jack__zen 0:a47e8ec71a4e 38 float readTemperature();
jack__zen 0:a47e8ec71a4e 39 virtual void setResolution(eResolution resln) = 0;
jack__zen 0:a47e8ec71a4e 40
jack__zen 0:a47e8ec71a4e 41 protected:
jack__zen 0:a47e8ec71a4e 42 const bool useParasiticPower;
jack__zen 0:a47e8ec71a4e 43 const bool useCRC;
jack__zen 0:a47e8ec71a4e 44 const bool useAddress;
jack__zen 0:a47e8ec71a4e 45 const int deviceId;
jack__zen 0:a47e8ec71a4e 46
jack__zen 0:a47e8ec71a4e 47 eResolution resolution;
jack__zen 0:a47e8ec71a4e 48 BYTE address[8];
jack__zen 0:a47e8ec71a4e 49
jack__zen 0:a47e8ec71a4e 50 OneWireCRC oneWire;
jack__zen 0:a47e8ec71a4e 51
jack__zen 0:a47e8ec71a4e 52 void resetAndAddress();
jack__zen 0:a47e8ec71a4e 53 bool readAndValidateData(BYTE* data);
jack__zen 0:a47e8ec71a4e 54 virtual float calculateTemperature(BYTE* data) = 0; // device specific
jack__zen 0:a47e8ec71a4e 55 };
jack__zen 0:a47e8ec71a4e 56
jack__zen 0:a47e8ec71a4e 57 #endif