Diff: OneWireThermometer.h

Revision:

0:01a6a40578c9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OneWireThermometer.h	Sun Jan 03 11:57:31 2010 +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
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