hige dura
Dependencies: FatFileSystem mbed
HMC5883L.cpp@2:307500c991dd, 2012-04-21 (annotated)
- Committer:
- higedura
- Date:
- Sat Apr 21 14:07:27 2012 +0000
- Revision:
- 2:307500c991dd
- Parent:
- 0:813b917360ac
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| higedura | 0:813b917360ac | 1 | /** |
| higedura | 0:813b917360ac | 2 | * @author Jose R. Padron |
| higedura | 0:813b917360ac | 3 | * @author Used HMC6352 library developed by Aaron Berk as template |
| higedura | 0:813b917360ac | 4 | * @section LICENSE |
| higedura | 0:813b917360ac | 5 | * |
| higedura | 0:813b917360ac | 6 | * Copyright (c) 2010 ARM Limited |
| higedura | 0:813b917360ac | 7 | * |
| higedura | 0:813b917360ac | 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| higedura | 0:813b917360ac | 9 | * of this software and associated documentation files (the "Software"), to deal |
| higedura | 0:813b917360ac | 10 | * in the Software without restriction, including without limitation the rights |
| higedura | 0:813b917360ac | 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| higedura | 0:813b917360ac | 12 | * copies of the Software, and to permit persons to whom the Software is |
| higedura | 0:813b917360ac | 13 | * furnished to do so, subject to the following conditions: |
| higedura | 0:813b917360ac | 14 | * |
| higedura | 0:813b917360ac | 15 | * The above copyright notice and this permission notice shall be included in |
| higedura | 0:813b917360ac | 16 | * all copies or substantial portions of the Software. |
| higedura | 0:813b917360ac | 17 | * |
| higedura | 0:813b917360ac | 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| higedura | 0:813b917360ac | 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| higedura | 0:813b917360ac | 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| higedura | 0:813b917360ac | 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| higedura | 0:813b917360ac | 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| higedura | 0:813b917360ac | 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| higedura | 0:813b917360ac | 24 | * THE SOFTWARE. |
| higedura | 0:813b917360ac | 25 | * |
| higedura | 0:813b917360ac | 26 | * @section DESCRIPTION |
| higedura | 0:813b917360ac | 27 | * |
| higedura | 0:813b917360ac | 28 | * Honeywell HMC5883Ldigital compass. |
| higedura | 0:813b917360ac | 29 | * |
| higedura | 0:813b917360ac | 30 | * Datasheet: |
| higedura | 0:813b917360ac | 31 | * |
| higedura | 0:813b917360ac | 32 | * http://www.ssec.honeywell.com/magnetic/datasheets/HMC5883L.pdf |
| higedura | 0:813b917360ac | 33 | */ |
| higedura | 0:813b917360ac | 34 | |
| higedura | 0:813b917360ac | 35 | /** |
| higedura | 0:813b917360ac | 36 | * Includes |
| higedura | 0:813b917360ac | 37 | */ |
| higedura | 0:813b917360ac | 38 | #include "HMC5883L.h" |
| higedura | 0:813b917360ac | 39 | |
| higedura | 0:813b917360ac | 40 | HMC5883L::HMC5883L(PinName sda, PinName scl) { |
| higedura | 0:813b917360ac | 41 | |
| higedura | 0:813b917360ac | 42 | i2c_ = new I2C(sda, scl); |
| higedura | 0:813b917360ac | 43 | //100KHz, as specified by the datasheet. |
| higedura | 0:813b917360ac | 44 | i2c_->frequency(100000); |
| higedura | 0:813b917360ac | 45 | |
| higedura | 0:813b917360ac | 46 | |
| higedura | 0:813b917360ac | 47 | } |
| higedura | 0:813b917360ac | 48 | |
| higedura | 0:813b917360ac | 49 | |
| higedura | 0:813b917360ac | 50 | void HMC5883L::write(int address, int data) { |
| higedura | 0:813b917360ac | 51 | |
| higedura | 0:813b917360ac | 52 | char tx[2]; |
| higedura | 0:813b917360ac | 53 | |
| higedura | 0:813b917360ac | 54 | tx[0]=address; |
| higedura | 0:813b917360ac | 55 | tx[1]=data; |
| higedura | 0:813b917360ac | 56 | |
| higedura | 0:813b917360ac | 57 | i2c_->write(HMC5883L_I2C_WRITE,tx,2); |
| higedura | 0:813b917360ac | 58 | |
| higedura | 0:813b917360ac | 59 | wait_ms(100); |
| higedura | 0:813b917360ac | 60 | |
| higedura | 0:813b917360ac | 61 | } |
| higedura | 0:813b917360ac | 62 | |
| higedura | 0:813b917360ac | 63 | |
| higedura | 0:813b917360ac | 64 | void HMC5883L::setSleepMode() { |
| higedura | 0:813b917360ac | 65 | |
| higedura | 0:813b917360ac | 66 | write(HMC5883L_MODE, HMC5883L_SLEEP); |
| higedura | 0:813b917360ac | 67 | } |
| higedura | 0:813b917360ac | 68 | |
| higedura | 0:813b917360ac | 69 | void HMC5883L::setDefault(void) { |
| higedura | 0:813b917360ac | 70 | |
| higedura | 0:813b917360ac | 71 | write(HMC5883L_CONFIG_A,HMC5883L_10HZ_NORMAL); |
| higedura | 0:813b917360ac | 72 | write(HMC5883L_CONFIG_B,HMC5883L_1_0GA); |
| higedura | 0:813b917360ac | 73 | write(HMC5883L_MODE,HMC5883L_CONTINUOUS); |
| higedura | 0:813b917360ac | 74 | wait_ms(100); |
| higedura | 0:813b917360ac | 75 | } |
| higedura | 0:813b917360ac | 76 | |
| higedura | 0:813b917360ac | 77 | |
| higedura | 0:813b917360ac | 78 | void HMC5883L::getAddress(char *buffer) { |
| higedura | 0:813b917360ac | 79 | |
| higedura | 0:813b917360ac | 80 | char rx[3]; |
| higedura | 0:813b917360ac | 81 | char tx[1]; |
| higedura | 0:813b917360ac | 82 | tx[0]=HMC5883L_IDENT_A; |
| higedura | 0:813b917360ac | 83 | |
| higedura | 0:813b917360ac | 84 | |
| higedura | 0:813b917360ac | 85 | i2c_->write(HMC5883L_I2C_WRITE, tx,1); |
| higedura | 0:813b917360ac | 86 | |
| higedura | 0:813b917360ac | 87 | wait_ms(1); |
| higedura | 0:813b917360ac | 88 | |
| higedura | 0:813b917360ac | 89 | i2c_->read(HMC5883L_I2C_READ,rx,3); |
| higedura | 0:813b917360ac | 90 | |
| higedura | 0:813b917360ac | 91 | buffer[0]=rx[0]; |
| higedura | 0:813b917360ac | 92 | buffer[1]=rx[1]; |
| higedura | 0:813b917360ac | 93 | buffer[2]=rx[2]; |
| higedura | 0:813b917360ac | 94 | } |
| higedura | 0:813b917360ac | 95 | |
| higedura | 0:813b917360ac | 96 | |
| higedura | 0:813b917360ac | 97 | |
| higedura | 0:813b917360ac | 98 | void HMC5883L::setOpMode(int mode, int ConfigA, int ConfigB) { |
| higedura | 0:813b917360ac | 99 | |
| higedura | 0:813b917360ac | 100 | |
| higedura | 0:813b917360ac | 101 | write(HMC5883L_CONFIG_A,ConfigA); |
| higedura | 0:813b917360ac | 102 | write(HMC5883L_CONFIG_B,ConfigB); |
| higedura | 0:813b917360ac | 103 | write(HMC5883L_MODE,mode); |
| higedura | 0:813b917360ac | 104 | |
| higedura | 0:813b917360ac | 105 | |
| higedura | 0:813b917360ac | 106 | } |
| higedura | 0:813b917360ac | 107 | |
| higedura | 0:813b917360ac | 108 | |
| higedura | 0:813b917360ac | 109 | |
| higedura | 0:813b917360ac | 110 | |
| higedura | 0:813b917360ac | 111 | void HMC5883L::readData(int* getMag) { |
| higedura | 0:813b917360ac | 112 | |
| higedura | 0:813b917360ac | 113 | |
| higedura | 0:813b917360ac | 114 | char tx[1]; |
| higedura | 0:813b917360ac | 115 | char rx[2]; |
| higedura | 0:813b917360ac | 116 | |
| higedura | 0:813b917360ac | 117 | |
| higedura | 0:813b917360ac | 118 | tx[0]=HMC5883L_X_MSB; |
| higedura | 0:813b917360ac | 119 | i2c_->write(HMC5883L_I2C_READ,tx,1); |
| higedura | 0:813b917360ac | 120 | i2c_->read(HMC5883L_I2C_READ,rx,2); |
| higedura | 0:813b917360ac | 121 | getMag[0]= (int)rx[0]<<8|(int)rx[1]; |
| higedura | 0:813b917360ac | 122 | |
| higedura | 0:813b917360ac | 123 | |
| higedura | 0:813b917360ac | 124 | tx[0]=HMC5883L_Y_MSB; |
| higedura | 0:813b917360ac | 125 | i2c_->write(HMC5883L_I2C_READ,tx,1); |
| higedura | 0:813b917360ac | 126 | i2c_->read(HMC5883L_I2C_READ,rx,2); |
| higedura | 0:813b917360ac | 127 | getMag[1]= (int)rx[0]<<8|(int)rx[1]; |
| higedura | 0:813b917360ac | 128 | |
| higedura | 0:813b917360ac | 129 | tx[0]=HMC5883L_Z_MSB; |
| higedura | 0:813b917360ac | 130 | i2c_->write(HMC5883L_I2C_READ,tx,1); |
| higedura | 0:813b917360ac | 131 | i2c_->read(HMC5883L_I2C_READ,rx,2); |
| higedura | 0:813b917360ac | 132 | getMag[2]= (int)rx[0]<<8|(int)rx[1]; |
| higedura | 0:813b917360ac | 133 | |
| higedura | 0:813b917360ac | 134 | } |
| higedura | 0:813b917360ac | 135 | |
| higedura | 0:813b917360ac | 136 | int HMC5883L::getMx() { |
| higedura | 0:813b917360ac | 137 | |
| higedura | 0:813b917360ac | 138 | char tx[1]; |
| higedura | 0:813b917360ac | 139 | char rx[2]; |
| higedura | 0:813b917360ac | 140 | |
| higedura | 0:813b917360ac | 141 | |
| higedura | 0:813b917360ac | 142 | tx[0]=HMC5883L_X_MSB; |
| higedura | 0:813b917360ac | 143 | i2c_->write(HMC5883L_I2C_READ,tx,1); |
| higedura | 0:813b917360ac | 144 | i2c_->read(HMC5883L_I2C_READ,rx,2); |
| higedura | 0:813b917360ac | 145 | return ((int)rx[0]<<8|(int)rx[1]); |
| higedura | 0:813b917360ac | 146 | |
| higedura | 0:813b917360ac | 147 | } |
| higedura | 0:813b917360ac | 148 | |
| higedura | 0:813b917360ac | 149 | int HMC5883L::getMy() { |
| higedura | 0:813b917360ac | 150 | |
| higedura | 0:813b917360ac | 151 | char tx[1]; |
| higedura | 0:813b917360ac | 152 | char rx[2]; |
| higedura | 0:813b917360ac | 153 | |
| higedura | 0:813b917360ac | 154 | |
| higedura | 0:813b917360ac | 155 | tx[0]=HMC5883L_Y_MSB; |
| higedura | 0:813b917360ac | 156 | i2c_->write(HMC5883L_I2C_READ,tx,1); |
| higedura | 0:813b917360ac | 157 | i2c_->read(HMC5883L_I2C_READ,rx,2); |
| higedura | 0:813b917360ac | 158 | return ((int)rx[0]<<8|(int)rx[1]); |
| higedura | 0:813b917360ac | 159 | |
| higedura | 0:813b917360ac | 160 | } |
| higedura | 0:813b917360ac | 161 | |
| higedura | 0:813b917360ac | 162 | |
| higedura | 0:813b917360ac | 163 | int HMC5883L::getMz(){ |
| higedura | 0:813b917360ac | 164 | |
| higedura | 0:813b917360ac | 165 | char tx[1]; |
| higedura | 0:813b917360ac | 166 | char rx[2]; |
| higedura | 0:813b917360ac | 167 | |
| higedura | 0:813b917360ac | 168 | |
| higedura | 0:813b917360ac | 169 | tx[0]=HMC5883L_Z_MSB; |
| higedura | 0:813b917360ac | 170 | i2c_->write(HMC5883L_I2C_READ,tx,1); |
| higedura | 0:813b917360ac | 171 | i2c_->read(HMC5883L_I2C_READ,rx,2); |
| higedura | 0:813b917360ac | 172 | return ((int)rx[0]<<8|(int)rx[1]); |
| higedura | 0:813b917360ac | 173 | |
| higedura | 0:813b917360ac | 174 | } |