CMPS03 digital compass library.
Dependents: CMPS03_HelloWorld Final_Sonar xbeetx Compass ... more
CMPS03.h
- Committer:
- aberk
- Date:
- 2010-11-27
- Revision:
- 0:c6bcc390612a
File content as of revision 0:c6bcc390612a:
/** * @author Aaron Berk * * @section LICENSE * * Copyright (c) 2010 ARM Limited * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @section DESCRIPTION * * CMPS03 digital compass module. * * Datasheet: * * http://www.robot-electronics.co.uk/htm/cmps3tech.htm */ #ifndef CMPS03_H #define CMPS03_H /** * Includes */ #include "mbed.h" /** * Defines */ #define CMPS03_DEFAULT_I2C_ADDRESS 0xC0 //----------- // Registers //----------- #define SOFTWARE_REVISION_REG 0x0 #define COMPASS_BEARING_WORD_REG 0x2 /** * CMPS03 digital compass module. */ class CMPS03 { I2C* i2c; int i2cAddress; public: /** * Constructor. * * @param sda mbed pin to use for I2C SDA * @param scl mbed pin to use for I2C SCL * @param address I2C address of this device. */ CMPS03(PinName sda, PinName scl, int address); /** * Reads the software revision register [register 0] on the device. * * @return The contents of the software revision register as a byte. */ char readSoftwareRevision(void); /** * Reads the current bearing of the compass. * * @return The current bearing of the compass as a value between 0 and 3599, * representing 0 - 359.9 degrees. */ int readBearing(void); }; #endif /* CMPS03_H */