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| 1993 | - | 1 | /* |
| 2 | MS5611-01BA.h - Interfaces a Measurement Specialities MS5611-01BA with Arduino |
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| 3 | See http://www.meas-spec.com/downloads/MS5611-01BA01.pdf for the device datasheet |
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| 4 | |||
| 5 | Copyright (C) 2011 Fabio Varesano <fvaresano@yahoo.it> |
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| 6 | |||
| 7 | Development of this code has been supported by the Department of Computer Science, Universita' degli Studi di Torino, Italy within the Piemonte Project http://www.piemonte.di.unito.it/ |
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| 8 | |||
| 9 | |||
| 10 | This program is free software: you can redistribute it and/or modify |
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| 11 | it under the terms of the version 3 GNU General Public License as |
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| 12 | published by the Free Software Foundation. |
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| 13 | |||
| 14 | This program is distributed in the hope that it will be useful, |
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| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | GNU General Public License for more details. |
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| 18 | |||
| 19 | You should have received a copy of the GNU General Public License |
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| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 21 | |||
| 22 | */ |
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| 23 | |||
| 24 | |||
| 25 | |||
| 26 | #ifndef MS561101BA_h |
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| 27 | #define MS561101BA_h |
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| 28 | |||
| 29 | #ifndef cbi |
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| 30 | #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit)) |
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| 31 | #endif |
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| 32 | |||
| 33 | #include "WProgram.h" |
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| 34 | #include <Wire.h> |
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| 35 | |||
| 36 | //#define DEBUG_V |
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| 37 | //#define DEBUG |
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| 38 | //#include <DebugUtils.h> |
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| 39 | |||
| 40 | // addresses of the device |
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| 41 | #define MS561101BA_ADDR_CSB_HIGH 0x76 //CBR=1 0x76 I2C address when CSB is connected to HIGH (VCC) |
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| 42 | #define MS561101BA_ADDR_CSB_LOW 0x77 //CBR=0 0x77 I2C address when CSB is connected to LOW (GND) |
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| 43 | |||
| 44 | // registers of the device |
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| 45 | #define MS561101BA_D1 0x40 |
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| 46 | #define MS561101BA_D2 0x50 |
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| 47 | #define MS561101BA_RESET 0x1E |
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| 48 | |||
| 49 | // D1 and D2 result size (bytes) |
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| 50 | #define MS561101BA_D1D2_SIZE 3 |
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| 51 | |||
| 52 | // OSR (Over Sampling Ratio) constants |
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| 53 | #define MS561101BA_OSR_256 0x00 |
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| 54 | #define MS561101BA_OSR_512 0x02 |
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| 55 | #define MS561101BA_OSR_1024 0x04 |
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| 56 | #define MS561101BA_OSR_2048 0x06 |
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| 57 | #define MS561101BA_OSR_4096 0x08 |
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| 58 | |||
| 59 | #define MS561101BA_PROM_BASE_ADDR 0xA2 // by adding ints from 0 to 6 we can read all the prom configuration values. |
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| 60 | // C1 will be at 0xA2 and all the subsequent are multiples of 2 |
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| 61 | #define MS561101BA_PROM_REG_COUNT 6 // number of registers in the PROM |
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| 62 | #define MS561101BA_PROM_REG_SIZE 2 // size in bytes of a prom registry. |
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| 63 | |||
| 64 | |||
| 65 | |||
| 66 | class MS561101BA { |
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| 67 | public: |
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| 68 | MS561101BA(); |
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| 69 | void init(uint8_t addr); |
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| 70 | float getPressure(uint8_t OSR); |
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| 71 | float getTemperature(uint8_t OSR); |
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| 72 | int64_t getDeltaTemp(uint8_t OSR); |
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| 73 | int32_t rawPressure(uint8_t OSR); |
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| 74 | int32_t rawTemperature(uint8_t OSR); |
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| 75 | int readPROM(); |
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| 76 | void reset(); |
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| 77 | private: |
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| 78 | unsigned long doConversion(uint8_t command); |
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| 79 | uint8_t _addr; |
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| 80 | uint16_t _C[MS561101BA_PROM_REG_COUNT]; |
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| 81 | }; |
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| 82 | |||
| 83 | #endif // MS561101BA_h |