Joost Tromp
SCP1000.h@0:55ea30b5de1e, 2011-06-17 (annotated)
- Committer:
- joosttromp
- Date:
- Fri Jun 17 12:37:27 2011 +0000
- Revision:
- 0:55ea30b5de1e
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| joosttromp | 0:55ea30b5de1e | 1 | /** |
| joosttromp | 0:55ea30b5de1e | 2 | * @section LICENSE |
| joosttromp | 0:55ea30b5de1e | 3 | * This program is free software; you can redistribute it and/or modify |
| joosttromp | 0:55ea30b5de1e | 4 | * it under the terms of the GNU General Public License as published by |
| joosttromp | 0:55ea30b5de1e | 5 | * the Free Software Foundation; either version 2 of the License, or |
| joosttromp | 0:55ea30b5de1e | 6 | * (at your option) any later version. |
| joosttromp | 0:55ea30b5de1e | 7 | * |
| joosttromp | 0:55ea30b5de1e | 8 | * This program is distributed in the hope that it will be useful, but |
| joosttromp | 0:55ea30b5de1e | 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| joosttromp | 0:55ea30b5de1e | 10 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| joosttromp | 0:55ea30b5de1e | 11 | * for more details. |
| joosttromp | 0:55ea30b5de1e | 12 | * |
| joosttromp | 0:55ea30b5de1e | 13 | * You should have received a copy of the GNU General Public License along |
| joosttromp | 0:55ea30b5de1e | 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| joosttromp | 0:55ea30b5de1e | 15 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| joosttromp | 0:55ea30b5de1e | 16 | * |
| joosttromp | 0:55ea30b5de1e | 17 | * @section DESCRIPTION |
| joosttromp | 0:55ea30b5de1e | 18 | * Library to interface with the SCP1000 pressure and temperature sensor. |
| joosttromp | 0:55ea30b5de1e | 19 | */ |
| joosttromp | 0:55ea30b5de1e | 20 | |
| joosttromp | 0:55ea30b5de1e | 21 | #ifndef _SCP1000_H |
| joosttromp | 0:55ea30b5de1e | 22 | #define _SCP1000_H |
| joosttromp | 0:55ea30b5de1e | 23 | |
| joosttromp | 0:55ea30b5de1e | 24 | #include "mbed.h" |
| joosttromp | 0:55ea30b5de1e | 25 | |
| joosttromp | 0:55ea30b5de1e | 26 | /** |
| joosttromp | 0:55ea30b5de1e | 27 | * Class to interface with the SCP1000 pressure and temperature sensor. |
| joosttromp | 0:55ea30b5de1e | 28 | */ |
| joosttromp | 0:55ea30b5de1e | 29 | class SCP1000 { |
| joosttromp | 0:55ea30b5de1e | 30 | public: |
| joosttromp | 0:55ea30b5de1e | 31 | /** |
| joosttromp | 0:55ea30b5de1e | 32 | * Constructor. |
| joosttromp | 0:55ea30b5de1e | 33 | * |
| joosttromp | 0:55ea30b5de1e | 34 | * @param mosi SPI MOSI pin |
| joosttromp | 0:55ea30b5de1e | 35 | * @param miso SPI MISO pin |
| joosttromp | 0:55ea30b5de1e | 36 | * @param sclk SPI SCLK pin |
| joosttromp | 0:55ea30b5de1e | 37 | * @param cs Chip select pin |
| joosttromp | 0:55ea30b5de1e | 38 | */ |
| joosttromp | 0:55ea30b5de1e | 39 | SCP1000(PinName mosi, PinName miso, PinName sclk, PinName cs); |
| joosttromp | 0:55ea30b5de1e | 40 | |
| joosttromp | 0:55ea30b5de1e | 41 | ~SCP1000() { /* empty */ }; |
| joosttromp | 0:55ea30b5de1e | 42 | |
| joosttromp | 0:55ea30b5de1e | 43 | /** |
| joosttromp | 0:55ea30b5de1e | 44 | * Read the pressure. |
| joosttromp | 0:55ea30b5de1e | 45 | * |
| joosttromp | 0:55ea30b5de1e | 46 | * @returns The pressure in pascals. |
| joosttromp | 0:55ea30b5de1e | 47 | */ |
| joosttromp | 0:55ea30b5de1e | 48 | unsigned long readPressure(); |
| joosttromp | 0:55ea30b5de1e | 49 | |
| joosttromp | 0:55ea30b5de1e | 50 | /** |
| joosttromp | 0:55ea30b5de1e | 51 | * Read the temperature. |
| joosttromp | 0:55ea30b5de1e | 52 | * |
| joosttromp | 0:55ea30b5de1e | 53 | * @returns The temperature in Celsius. |
| joosttromp | 0:55ea30b5de1e | 54 | */ |
| joosttromp | 0:55ea30b5de1e | 55 | float readTemperature(); |
| joosttromp | 0:55ea30b5de1e | 56 | |
| joosttromp | 0:55ea30b5de1e | 57 | |
| joosttromp | 0:55ea30b5de1e | 58 | private: |
| joosttromp | 0:55ea30b5de1e | 59 | static const char PRESSURE = 0x1F; //Pressure 3 MSB |
| joosttromp | 0:55ea30b5de1e | 60 | static const char PRESSURE_LSB = 0x20; //Pressure 16 LSB |
| joosttromp | 0:55ea30b5de1e | 61 | static const char TEMP = 0x21; //16 bit temp |
| joosttromp | 0:55ea30b5de1e | 62 | SPI m_spi; |
| joosttromp | 0:55ea30b5de1e | 63 | DigitalOut m_cs; |
| joosttromp | 0:55ea30b5de1e | 64 | |
| joosttromp | 0:55ea30b5de1e | 65 | char read_register(char register_name); |
| joosttromp | 0:55ea30b5de1e | 66 | void write_register(char register_name, char register_value); |
| joosttromp | 0:55ea30b5de1e | 67 | float read_register16(char register_name); |
| joosttromp | 0:55ea30b5de1e | 68 | |
| joosttromp | 0:55ea30b5de1e | 69 | }; |
| joosttromp | 0:55ea30b5de1e | 70 | |
| joosttromp | 0:55ea30b5de1e | 71 | #endif // _SCP1000_H |