DS18B20
OneWireDefs.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?
User | Revision | Line number | New contents of line |
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jack__zen | 0:a47e8ec71a4e | 1 | /* |
jack__zen | 0:a47e8ec71a4e | 2 | * OneWireCRC. This is a port to mbed of Jim Studt's Adruino One Wire |
jack__zen | 0:a47e8ec71a4e | 3 | * library. |
jack__zen | 0:a47e8ec71a4e | 4 | * |
jack__zen | 0:a47e8ec71a4e | 5 | * Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk> |
jack__zen | 0:a47e8ec71a4e | 6 | * |
jack__zen | 0:a47e8ec71a4e | 7 | * This file is part of OneWireCRC. |
jack__zen | 0:a47e8ec71a4e | 8 | * |
jack__zen | 0:a47e8ec71a4e | 9 | * OneWireCRC 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 | * OneWireCRC 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 OneWireCRC. 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_ONEWIREDEFS_H |
jack__zen | 0:a47e8ec71a4e | 24 | #define SNATCH59_ONEWIREDEFS_H |
jack__zen | 0:a47e8ec71a4e | 25 | |
jack__zen | 0:a47e8ec71a4e | 26 | // device ids |
jack__zen | 0:a47e8ec71a4e | 27 | #define DS18B20_ID 0x28 |
jack__zen | 0:a47e8ec71a4e | 28 | #define DS18S20_ID 0x10 |
jack__zen | 0:a47e8ec71a4e | 29 | |
jack__zen | 0:a47e8ec71a4e | 30 | #define ALARM_CONFIG_SIZE 3 |
jack__zen | 0:a47e8ec71a4e | 31 | #define THERMOM_SCRATCHPAD_SIZE 9 |
jack__zen | 0:a47e8ec71a4e | 32 | #define THERMOM_CRC_BYTE 8 |
jack__zen | 0:a47e8ec71a4e | 33 | #define ADDRESS_SIZE 8 |
jack__zen | 0:a47e8ec71a4e | 34 | #define ADDRESS_CRC_BYTE 7 |
jack__zen | 0:a47e8ec71a4e | 35 | |
jack__zen | 0:a47e8ec71a4e | 36 | // One Wire command codes |
jack__zen | 0:a47e8ec71a4e | 37 | #define OVERDRIVE_SKIP 0x3C |
jack__zen | 0:a47e8ec71a4e | 38 | // ROM commands |
jack__zen | 0:a47e8ec71a4e | 39 | #define SEARCH_ROM 0xF0 |
jack__zen | 0:a47e8ec71a4e | 40 | #define READ_ROM 0x33 |
jack__zen | 0:a47e8ec71a4e | 41 | #define MATCH_ROM 0x55 |
jack__zen | 0:a47e8ec71a4e | 42 | #define SKIP_ROM 0xCC |
jack__zen | 0:a47e8ec71a4e | 43 | #define ALARM_SEARCH 0xEC |
jack__zen | 0:a47e8ec71a4e | 44 | // Functions Commnds |
jack__zen | 0:a47e8ec71a4e | 45 | #define CONVERT 0x44 |
jack__zen | 0:a47e8ec71a4e | 46 | #define WRITESCRATCH 0x4E |
jack__zen | 0:a47e8ec71a4e | 47 | #define READSCRATCH 0xBE |
jack__zen | 0:a47e8ec71a4e | 48 | #define COPYSCRATCH 0x48 |
jack__zen | 0:a47e8ec71a4e | 49 | #define RECALLE2 0xB8 |
jack__zen | 0:a47e8ec71a4e | 50 | #define READPOWERSUPPLY 0xB4 |
jack__zen | 0:a47e8ec71a4e | 51 | |
jack__zen | 0:a47e8ec71a4e | 52 | // temperature read resolutions |
jack__zen | 0:a47e8ec71a4e | 53 | enum eResolution {nineBit = 0, tenBit, elevenBit, twelveBit}; |
jack__zen | 0:a47e8ec71a4e | 54 | const int CONVERSION_TIME[] = {94, 188, 375, 750}; // milli-seconds |
jack__zen | 0:a47e8ec71a4e | 55 | |
jack__zen | 0:a47e8ec71a4e | 56 | // DS18B20/DS18S20 related |
jack__zen | 0:a47e8ec71a4e | 57 | #define TEMPERATURE_LSB 0 |
jack__zen | 0:a47e8ec71a4e | 58 | #define TEMPERATURE_MSB 1 |
jack__zen | 0:a47e8ec71a4e | 59 | #define HIGH_ALARM_BYTE 2 |
jack__zen | 0:a47e8ec71a4e | 60 | #define LOW_ALARM_BYTE 3 |
jack__zen | 0:a47e8ec71a4e | 61 | #define CONFIG_REG_BYTE 4 |
jack__zen | 0:a47e8ec71a4e | 62 | #define CONFIG_READ_END 5 |
jack__zen | 0:a47e8ec71a4e | 63 | #define COUNT_REMAIN_BYTE 6 |
jack__zen | 0:a47e8ec71a4e | 64 | #define COUNT_PER_DEG_BYTE 7 |
jack__zen | 0:a47e8ec71a4e | 65 | |
jack__zen | 0:a47e8ec71a4e | 66 | #endif |