gavin beardall
main.cpp@0:2f78e3dca55d, 2011-10-17 (annotated)
- Committer:
- gbeardall
- Date:
- Mon Oct 17 10:42:00 2011 +0000
- Revision:
- 0:2f78e3dca55d
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| gbeardall | 0:2f78e3dca55d | 1 | /* |
| gbeardall | 0:2f78e3dca55d | 2 | * OneWireCRC/OneWireThermometer demo. |
| gbeardall | 0:2f78e3dca55d | 3 | * |
| gbeardall | 0:2f78e3dca55d | 4 | * Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk> |
| gbeardall | 0:2f78e3dca55d | 5 | * |
| gbeardall | 0:2f78e3dca55d | 6 | * This file is part of OneWireCRC/OneWireThermometer. |
| gbeardall | 0:2f78e3dca55d | 7 | * |
| gbeardall | 0:2f78e3dca55d | 8 | * OneWireCRC/OneWireThermometer is free software: you can redistribute it and/or modify |
| gbeardall | 0:2f78e3dca55d | 9 | * it under the terms of the GNU General Public License as published by |
| gbeardall | 0:2f78e3dca55d | 10 | * the Free Software Foundation, either version 3 of the License, or |
| gbeardall | 0:2f78e3dca55d | 11 | * (at your option) any later version. |
| gbeardall | 0:2f78e3dca55d | 12 | * |
| gbeardall | 0:2f78e3dca55d | 13 | * OneWireCRC/OneWireThermometer is distributed in the hope that it will be useful, |
| gbeardall | 0:2f78e3dca55d | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| gbeardall | 0:2f78e3dca55d | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| gbeardall | 0:2f78e3dca55d | 16 | * GNU General Public License for more details. |
| gbeardall | 0:2f78e3dca55d | 17 | * |
| gbeardall | 0:2f78e3dca55d | 18 | * You should have received a copy of the GNU General Public License |
| gbeardall | 0:2f78e3dca55d | 19 | * along with OneWireCRC/OneWireThermometer0. If not, see <http://www.gnu.org/licenses/>. |
| gbeardall | 0:2f78e3dca55d | 20 | */ |
| gbeardall | 0:2f78e3dca55d | 21 | |
| gbeardall | 0:2f78e3dca55d | 22 | //////////////////////////////////////////////////////////////////// |
| gbeardall | 0:2f78e3dca55d | 23 | // Test code to read temperature from a Maxim DS18B20 or DS18S20 |
| gbeardall | 0:2f78e3dca55d | 24 | // 1-wire device |
| gbeardall | 0:2f78e3dca55d | 25 | //////////////////////////////////////////////////////////////////// |
| gbeardall | 0:2f78e3dca55d | 26 | |
| gbeardall | 0:2f78e3dca55d | 27 | #include <mbed.h> |
| gbeardall | 0:2f78e3dca55d | 28 | #include "DS18S20.h" |
| gbeardall | 0:2f78e3dca55d | 29 | #include "DS18B20.h" |
| gbeardall | 0:2f78e3dca55d | 30 | #include "OneWireDefs.h" |
| gbeardall | 0:2f78e3dca55d | 31 | |
| gbeardall | 0:2f78e3dca55d | 32 | //#define THERMOMETER DS18S20 |
| gbeardall | 0:2f78e3dca55d | 33 | #define THERMOMETER DS18B20 |
| gbeardall | 0:2f78e3dca55d | 34 | |
| gbeardall | 0:2f78e3dca55d | 35 | int main() |
| gbeardall | 0:2f78e3dca55d | 36 | { |
| gbeardall | 0:2f78e3dca55d | 37 | // device( crcOn, useAddress, parasitic, mbed pin ) |
| gbeardall | 0:2f78e3dca55d | 38 | THERMOMETER device(true, true, false, p25); |
| gbeardall | 0:2f78e3dca55d | 39 | |
| gbeardall | 0:2f78e3dca55d | 40 | while (!device.initialize()); // keep calling until it works |
| gbeardall | 0:2f78e3dca55d | 41 | |
| gbeardall | 0:2f78e3dca55d | 42 | while (true) |
| gbeardall | 0:2f78e3dca55d | 43 | { |
| gbeardall | 0:2f78e3dca55d | 44 | // changing the resolutions only affects the DS18B20. The DS18S20 is fixed. |
| gbeardall | 0:2f78e3dca55d | 45 | device.setResolution(nineBit); |
| gbeardall | 0:2f78e3dca55d | 46 | device.readTemperature(); |
| gbeardall | 0:2f78e3dca55d | 47 | wait(2); |
| gbeardall | 0:2f78e3dca55d | 48 | device.setResolution(tenBit); |
| gbeardall | 0:2f78e3dca55d | 49 | device.readTemperature(); |
| gbeardall | 0:2f78e3dca55d | 50 | wait(2); |
| gbeardall | 0:2f78e3dca55d | 51 | device.setResolution(elevenBit); |
| gbeardall | 0:2f78e3dca55d | 52 | device.readTemperature(); |
| gbeardall | 0:2f78e3dca55d | 53 | wait(2); |
| gbeardall | 0:2f78e3dca55d | 54 | device.setResolution(twelveBit); |
| gbeardall | 0:2f78e3dca55d | 55 | device.readTemperature(); |
| gbeardall | 0:2f78e3dca55d | 56 | wait(2); |
| gbeardall | 0:2f78e3dca55d | 57 | } |
| gbeardall | 0:2f78e3dca55d | 58 | |
| gbeardall | 0:2f78e3dca55d | 59 | return EXIT_SUCCESS; |
| gbeardall | 0:2f78e3dca55d | 60 | } |