OneWire Temperature library for interfacing DS18B20
Dependents: DallasTemperature project1
OneWireThermometer.h@0:ad90c2e86a63, 2011-04-17 (annotated)
- Committer:
- Wimpie
- Date:
- Sun Apr 17 17:27:20 2011 +0000
- Revision:
- 0:ad90c2e86a63
improved 1W search function
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Wimpie | 0:ad90c2e86a63 | 1 | /* |
Wimpie | 0:ad90c2e86a63 | 2 | * OneWireThermometer. Base class for Maxim One-Wire Thermometers. |
Wimpie | 0:ad90c2e86a63 | 3 | * Uses the OneWireCRC library. |
Wimpie | 0:ad90c2e86a63 | 4 | * |
Wimpie | 0:ad90c2e86a63 | 5 | * Copyright (C) <2010> Petras Saduikis <petras@petras.co.uk> |
Wimpie | 0:ad90c2e86a63 | 6 | * |
Wimpie | 0:ad90c2e86a63 | 7 | * This file is part of OneWireThermometer. |
Wimpie | 0:ad90c2e86a63 | 8 | * |
Wimpie | 0:ad90c2e86a63 | 9 | * OneWireThermometer is free software: you can redistribute it and/or modify |
Wimpie | 0:ad90c2e86a63 | 10 | * it under the terms of the GNU General Public License as published by |
Wimpie | 0:ad90c2e86a63 | 11 | * the Free Software Foundation, either version 3 of the License, or |
Wimpie | 0:ad90c2e86a63 | 12 | * (at your option) any later version. |
Wimpie | 0:ad90c2e86a63 | 13 | * |
Wimpie | 0:ad90c2e86a63 | 14 | * OneWireThermometer is distributed in the hope that it will be useful, |
Wimpie | 0:ad90c2e86a63 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Wimpie | 0:ad90c2e86a63 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Wimpie | 0:ad90c2e86a63 | 17 | * GNU General Public License for more details. |
Wimpie | 0:ad90c2e86a63 | 18 | * |
Wimpie | 0:ad90c2e86a63 | 19 | * You should have received a copy of the GNU General Public License |
Wimpie | 0:ad90c2e86a63 | 20 | * along with OneWireThermometer. If not, see <http://www.gnu.org/licenses/>. |
Wimpie | 0:ad90c2e86a63 | 21 | */ |
Wimpie | 0:ad90c2e86a63 | 22 | |
Wimpie | 0:ad90c2e86a63 | 23 | #ifndef SNATCH59_ONEWIRETHERMOMETER_H |
Wimpie | 0:ad90c2e86a63 | 24 | #define SNATCH59_ONEWIRETHERMOMETER_H |
Wimpie | 0:ad90c2e86a63 | 25 | |
Wimpie | 0:ad90c2e86a63 | 26 | #include "mbed.h" |
Wimpie | 0:ad90c2e86a63 | 27 | #include "OneWireCRC.h" |
Wimpie | 0:ad90c2e86a63 | 28 | #include "OneWireDefs.h" |
Wimpie | 0:ad90c2e86a63 | 29 | |
Wimpie | 0:ad90c2e86a63 | 30 | typedef unsigned char BYTE; // something a byte wide |
Wimpie | 0:ad90c2e86a63 | 31 | |
Wimpie | 0:ad90c2e86a63 | 32 | class OneWireThermometer { |
Wimpie | 0:ad90c2e86a63 | 33 | public: |
Wimpie | 0:ad90c2e86a63 | 34 | OneWireThermometer(PinName pin, bool crcOn, bool useAddr, bool parasitic, int device_id, unsigned char *Address ); |
Wimpie | 0:ad90c2e86a63 | 35 | |
Wimpie | 0:ad90c2e86a63 | 36 | bool initialize(); |
Wimpie | 0:ad90c2e86a63 | 37 | float readTemperature(); |
Wimpie | 0:ad90c2e86a63 | 38 | virtual void setResolution(eResolution resln) = 0; |
Wimpie | 0:ad90c2e86a63 | 39 | |
Wimpie | 0:ad90c2e86a63 | 40 | protected: |
Wimpie | 0:ad90c2e86a63 | 41 | bool _useParasiticPower; |
Wimpie | 0:ad90c2e86a63 | 42 | bool _useCRC; |
Wimpie | 0:ad90c2e86a63 | 43 | bool _useAddress; |
Wimpie | 0:ad90c2e86a63 | 44 | int _deviceId; |
Wimpie | 0:ad90c2e86a63 | 45 | |
Wimpie | 0:ad90c2e86a63 | 46 | eResolution _resolution; |
Wimpie | 0:ad90c2e86a63 | 47 | BYTE _ROMCode[8]; |
Wimpie | 0:ad90c2e86a63 | 48 | |
Wimpie | 0:ad90c2e86a63 | 49 | |
Wimpie | 0:ad90c2e86a63 | 50 | OneWireCRC oneWire; |
Wimpie | 0:ad90c2e86a63 | 51 | |
Wimpie | 0:ad90c2e86a63 | 52 | void resetAndAddress(); |
Wimpie | 0:ad90c2e86a63 | 53 | bool readAndValidateData(BYTE* data); |
Wimpie | 0:ad90c2e86a63 | 54 | virtual float calculateTemperature(BYTE* data) = 0; // device specific |
Wimpie | 0:ad90c2e86a63 | 55 | }; |
Wimpie | 0:ad90c2e86a63 | 56 | |
Wimpie | 0:ad90c2e86a63 | 57 | #endif |