Port from Avnet's Internet Of Things full WiGo demo: SmartConfig - WebServer - Exosite - Android sensor Fusion App
Dependencies: NVIC_set_all_priorities mbed cc3000_hostdriver_mbedsocket TEMT6200 TSI Wi-Go_eCompass_Lib_V3 WiGo_BattCharger
MAG3110.h
00001 /* Copyright (c) 2010-2011 mbed.org, MIT License 00002 * 00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 00004 * and associated documentation files (the "Software"), to deal in the Software without 00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish, 00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the 00007 * Software is furnished to do so, subject to the following conditions: 00008 * 00009 * The above copyright notice and this permission notice shall be included in all copies or 00010 * substantial portions of the Software. 00011 * 00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00017 */ 00018 00019 #ifndef MAG3110_H 00020 #define MAG3110_H 00021 00022 #include "mbed.h" 00023 00024 // define registers 00025 #define MAG_DR_STATUS 0x00 00026 #define MAG_OUT_X_MSB 0x01 00027 #define MAG_OUT_X_LSB 0x02 00028 #define MAG_OUT_Y_MSB 0x03 00029 #define MAG_OUT_Y_LSB 0x04 00030 #define MAG_OUT_Z_MSB 0x05 00031 #define MAG_OUT_Z_LSB 0x06 00032 #define MAG_WHO_AM_I 0x07 00033 #define MAG_SYSMOD 0x08 00034 #define MAG_OFF_X_MSB 0x09 00035 #define MAG_OFF_X_LSB 0x0A 00036 #define MAG_OFF_Y_MSB 0x0B 00037 #define MAG_OFF_Y_LSB 0x0C 00038 #define MAG_OFF_Z_MSB 0x0D 00039 #define MAG_OFF_Z_LSB 0x0E 00040 #define MAG_DIE_TEMP 0x0F 00041 #define MAG_CTRL_REG1 0x10 00042 #define MAG_CTRL_REG2 0x11 00043 00044 // Fields in registers 00045 // CTRL_REG1: dr2,dr1,dr0 os1,os0 fr tm ac 00046 00047 // Sampling rate from 80Hz down to 0.625Hz 00048 #define MAG_3110_SAMPLE80 0 00049 #define MAG_3110_SAMPLE40 0x20 00050 #define MAG_3110_SAMPLE20 0x40 00051 #define MAG_3110_SAMPLE10 0x60 00052 #define MAG_3110_SAMPLE5 0x80 00053 #define MAG_3110_SAMPLE2_5 0xA0 00054 #define MAG_3110_SAMPLE1_25 0xC0 00055 #define MAG_3110_SAMPLE0_625 0xE0 00056 00057 // How many samples to average (lowers data rate) 00058 #define MAG_3110_OVERSAMPLE1 0 00059 #define MAG_3110_OVERSAMPLE2 0x08 00060 #define MAG_3110_OVERSAMPLE3 0x10 00061 #define MAG_3110_OVERSAMPLE4 0x18 00062 00063 // read only 1 byte per axis 00064 #define MAG_3110_FASTREAD 0x04 00065 // do one measurement (even if in standby mode) 00066 #define MAG_3110_TRIGGER 0x02 00067 // put in active mode 00068 #define MAG_3110_ACTIVE 0x01 00069 00070 // CTRL_REG2: AUTO_MRST_EN _ RAW MAG_RST _ _ _ _ _ 00071 // reset sensor after each reading 00072 #define MAG_3110_AUTO_MRST_EN 0x80 00073 // don't subtract user offsets 00074 #define MAG_3110_RAW 0x20 00075 // reset magnetic sensor after too-large field 00076 #define MAG_3110_MAG_RST 0x10 00077 00078 // DR_STATUS Register ZYXOW ZOW YOW XOW ZYXDR ZDR YDR XDR 00079 #define MAG_3110_ZYXDR 0x08 00080 00081 /** 00082 * MAG3110 Class to read X/Y/Z data from the magnetometer 00083 * 00084 */ 00085 class MAG3110 00086 { 00087 public: 00088 /** 00089 * Main constructor 00090 * @param sda SDA pin 00091 * @param sdl SCL pin 00092 * @param addr addr of the I2C peripheral 00093 */ 00094 MAG3110(PinName sda, PinName scl, int addr); 00095 00096 uint8_t isDataAvailable(void); 00097 void readXYZ(uint8_t * data); 00098 uint8_t readReg(uint8_t addr); 00099 void writeRegs(uint8_t * data, int len); 00100 00101 private: 00102 I2C m_i2c; 00103 int m_addr; 00104 }; 00105 #endif
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