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OneWireDefs.h
- Committer:
- gbeardall
- Date:
- 2011-10-17
- Revision:
- 0:2f78e3dca55d
File content as of revision 0:2f78e3dca55d:
/* * OneWireCRC. This is a port to mbed of Jim Studt's Adruino One Wire * library. * * Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk> * * This file is part of OneWireCRC. * * OneWireCRC 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. * * OneWireCRC 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 OneWireCRC. If not, see <http://www.gnu.org/licenses/>. */ #ifndef SNATCH59_ONEWIREDEFS_H #define SNATCH59_ONEWIREDEFS_H // device ids #define DS18B20_ID 0x28 #define DS18S20_ID 0x10 #define ALARM_CONFIG_SIZE 3 #define THERMOM_SCRATCHPAD_SIZE 9 #define THERMOM_CRC_BYTE 8 #define ADDRESS_SIZE 8 #define ADDRESS_CRC_BYTE 7 // One Wire command codes #define OVERDRIVE_SKIP 0x3C // ROM commands #define SEARCH_ROM 0xF0 #define READ_ROM 0x33 #define MATCH_ROM 0x55 #define SKIP_ROM 0xCC #define ALARM_SEARCH 0xEC // Functions Commnds #define CONVERT 0x44 #define WRITESCRATCH 0x4E #define READSCRATCH 0xBE #define COPYSCRATCH 0x48 #define RECALLE2 0xB8 #define READPOWERSUPPLY 0xB4 // temperature read resolutions enum eResolution {nineBit = 0, tenBit, elevenBit, twelveBit}; const int CONVERSION_TIME[] = {94, 188, 375, 750}; // milli-seconds // DS18B20/DS18S20 related #define TEMPERATURE_LSB 0 #define TEMPERATURE_MSB 1 #define HIGH_ALARM_BYTE 2 #define LOW_ALARM_BYTE 3 #define CONFIG_REG_BYTE 4 #define CONFIG_READ_END 5 #define COUNT_REMAIN_BYTE 6 #define COUNT_PER_DEG_BYTE 7 #endif