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/**
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* @author Uwe Gartmann
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* @author Used HMC5883L library developed by Jose R. Padron and Aaron Berk as template
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*
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* @section LICENSE
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*
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* Copyright (c) 2010 ARM Limited
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @section DESCRIPTION
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*
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* Honeywell HMC5883L digital compass.
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*
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* Datasheet:
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*
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* http://www.ssec.honeywell.com/magnetic/datasheets/HMC5883L.pdf
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*/
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#ifndef HMC5883L_H
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#define HMC5883L_H
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/**
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* Includes
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*/
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#include "mbed.h"
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/**
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* Defines
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*/
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#define HMC5883L_I2C_ADDRESS 0x1E //7-bit address. 0x3C write, 0x3D read.
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#define HMC5883L_I2C_WRITE 0x3C
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#define HMC5883L_I2C_READ 0x3D
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//Values Config A
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#define HMC5883L_0_5HZ_NORMAL 0x00
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#define HMC5883L_0_5HZ_POSITIVE 0x01
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#define HMC5883L_0_5HZ_NEGATIVE 0x02
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#define HMC5883L_1HZ_NORMAL 0x04
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#define HMC5883L_1HZ_POSITIVE 0x05
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#define HMC5883L_1HZ_NEGATIVE 0x06
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#define HMC5883L_2HZ_NORMAL 0x08
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#define HMC5883L_2HZ_POSITIVE 0x09
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#define HMC5883L_2HZ_NEGATIVE 0x0A
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#define HMC5883L_5HZ_NORMAL 0x0C
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#define HMC5883L_5HZ_POSITIVE 0x0D
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#define HMC5883L_5HZ_NEGATIVE 0x0E
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#define HMC5883L_10HZ_NORMAL 0x10
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#define HMC5883L_10HZ_POSITIVE 0x11
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#define HMC5883L_10HZ_NEGATIVE 0x12
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#define HMC5883L_20HZ_NORMAL 0x14
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#define HMC5883L_20HZ_POSITIVE 0x15
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#define HMC5883L_20HZ_NEGATIVE 0x16
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#define HMC5883L_50HZ_NORMAL 0x18
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#define HMC5883L_50HZ_POSITIVE 0x19
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#define HMC5883L_50HZ_NEGATIVE 0x1A
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//Values Config B
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#define HMC5883L_0_7GA 0x00
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#define HMC5883L_1_0GA 0x20
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#define HMC5883L_1_5GA 0x40
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#define HMC5883L_2_0GA 0x60
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#define HMC5883L_3_2GA 0x80
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#define HMC5883L_3_8GA 0xA0
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#define HMC5883L_4_5GA 0xC0
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#define HMC5883L_6_5GA 0xE0
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//Values MODE
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#define HMC5883L_CONTINUOUS 0x00
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#define HMC5883L_SINGLE 0x01
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#define HMC5883L_IDLE 0x02
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#define HMC5883L_SLEEP 0x03
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#define HMC5883L_CONFIG_A 0x00
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#define HMC5883L_CONFIG_B 0x01
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#define HMC5883L_MODE 0x02
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#define HMC5883L_X_MSB 0x03
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#define HMC5883L_X_LSB 0x04
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#define HMC5883L_Z_MSB 0x05
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#define HMC5883L_Z_LSB 0x06
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#define HMC5883L_Y_MSB 0x07
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#define HMC5883L_Y_LSB 0x08
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#define HMC5883L_STATUS 0x09
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#define HMC5883L_IDENT_A 0x0A
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#define HMC5883L_IDENT_B 0x0B
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#define HMC5883L_IDENT_C 0x0C
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/**
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* Honeywell HMC5883L digital compass.
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*/
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class HMC5883L {
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public:
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/**
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* Constructor.
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*
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* @param sda mbed pin to use for SDA line of I2C interface.
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* @param scl mbed pin to use for SCL line of I2C interface.
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*/
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HMC5883L(PinName sda, PinName scl);
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/**
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* Enter into sleep mode.
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*
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*/
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void setSleepMode();
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/**
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* Set Device in Default Mode.
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* HMC5883L_CONTINUOUS, HMC5883L_10HZ_NORMAL HMC5883L_1_0GA
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*/
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void setDefault();
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/**
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* Read the memory location on the device which contains the address.
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*
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* @param Pointer to a buffer to hold the address value
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* Expected H, 4 and 3.
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*/
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void getAddress(char * address);
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/**
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* Set the operation mode.
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*
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* @param mode 0x00 -> Continuous
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* 0x01 -> Single
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* 0x02 -> Idle
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* @param ConfigA values
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* @param ConfigB values
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*/
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void setOpMode(int mode, int ConfigA, int ConfigB);
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/**
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* Write to on the device.
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*
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* @param address Address to write to.
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* @param data Data to write.
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*/
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void write(int address, int data);
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/**
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* Get the output of all three axes.
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*
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* @param Pointer to a buffer to hold the magnetics value for the
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* x-axis, y-axis and z-axis [in that order].
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*/
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void readData(int* getMag);
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/**
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* Get the output of X axis.
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*
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* @return x-axis magnetic value
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*/
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int getMx();
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/**
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* Get the output of Y axis.
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*
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* @return y-axis magnetic value
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*/
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int getMy();
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/**
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* Get the output of Z axis.
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*
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* @return z-axis magnetic value
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*/
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int getMz();
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/**
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* Get the current operation mode.
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*
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* @return Status register values
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*/
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int getStatus(void);
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I2C* i2c_;
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};
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#endif /* HMC5883L_H */ |
hige dura