Added support for temperature measurement. Added only to magnetometer class.
Fork of FXOS8700Q by
FXOS8700Q.h@12:0ab2a7fab065, 2015-07-22 (annotated)
- Committer:
- Pythia
- Date:
- Wed Jul 22 13:15:24 2015 +0000
- Revision:
- 12:0ab2a7fab065
- Parent:
- 11:aee7dea904e2
Added temperature measurement.
; The functionality is added only to magnetic sensor portion as physically is dependent on enabling the magnetic portion.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sam_grove | 10:834488c11340 | 1 | /* FXOS8700Q sensor driver |
sam_grove | 10:834488c11340 | 2 | * Copyright (c) 2014-2015 ARM Limited |
sam_grove | 10:834488c11340 | 3 | * |
sam_grove | 10:834488c11340 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
sam_grove | 10:834488c11340 | 5 | * you may not use this file except in compliance with the License. |
sam_grove | 10:834488c11340 | 6 | * You may obtain a copy of the License at |
sam_grove | 10:834488c11340 | 7 | * |
sam_grove | 10:834488c11340 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
sam_grove | 10:834488c11340 | 9 | * |
sam_grove | 10:834488c11340 | 10 | * Unless required by applicable law or agreed to in writing, software |
sam_grove | 10:834488c11340 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
sam_grove | 10:834488c11340 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
sam_grove | 10:834488c11340 | 13 | * See the License for the specific language governing permissions and |
sam_grove | 10:834488c11340 | 14 | * limitations under the License. |
sam_grove | 10:834488c11340 | 15 | */ |
JimCarver | 3:eb1271ef90bc | 16 | |
JimCarver | 0:2562215f5bc0 | 17 | #ifndef FXOS8700Q_H |
JimCarver | 0:2562215f5bc0 | 18 | #define FXOS8700Q_H |
JimCarver | 0:2562215f5bc0 | 19 | |
JimCarver | 0:2562215f5bc0 | 20 | #include "mbed.h" |
JimCarver | 5:c4176a12f7d5 | 21 | #include "MotionSensor.h" |
sam_grove | 10:834488c11340 | 22 | |
JimCarver | 0:2562215f5bc0 | 23 | // FXOS8700CQ I2C address |
JimCarver | 1:8b53edef272f | 24 | #define FXOS8700CQ_SLAVE_ADDR0 (0x1E<<1) // with pins SA0=0, SA1=0 |
JimCarver | 1:8b53edef272f | 25 | #define FXOS8700CQ_SLAVE_ADDR1 (0x1D<<1) // with pins SA0=1, SA1=0 |
JimCarver | 1:8b53edef272f | 26 | #define FXOS8700CQ_SLAVE_ADDR2 (0x1C<<1) // with pins SA0=0, SA1=1 |
JimCarver | 1:8b53edef272f | 27 | #define FXOS8700CQ_SLAVE_ADDR3 (0x1F<<1) // with pins SA0=1, SA1=1 |
JimCarver | 0:2562215f5bc0 | 28 | // FXOS8700CQ internal register addresses |
JimCarver | 1:8b53edef272f | 29 | #define FXOS8700Q_STATUS 0x00 |
JimCarver | 1:8b53edef272f | 30 | #define FXOS8700Q_OUT_X_MSB 0x01 |
JimCarver | 1:8b53edef272f | 31 | #define FXOS8700Q_OUT_Y_MSB 0x03 |
JimCarver | 1:8b53edef272f | 32 | #define FXOS8700Q_OUT_Z_MSB 0x05 |
JimCarver | 1:8b53edef272f | 33 | #define FXOS8700Q_M_OUT_X_MSB 0x33 |
JimCarver | 1:8b53edef272f | 34 | #define FXOS8700Q_M_OUT_Y_MSB 0x35 |
JimCarver | 1:8b53edef272f | 35 | #define FXOS8700Q_M_OUT_Z_MSB 0x37 |
JimCarver | 1:8b53edef272f | 36 | #define FXOS8700Q_WHOAMI 0x0D |
JimCarver | 1:8b53edef272f | 37 | #define FXOS8700Q_XYZ_DATA_CFG 0x0E |
JimCarver | 1:8b53edef272f | 38 | #define FXOS8700Q_CTRL_REG1 0x2A |
Pythia | 12:0ab2a7fab065 | 39 | #define FXOS8700Q_TEMP 0x51 |
JimCarver | 1:8b53edef272f | 40 | #define FXOS8700Q_M_CTRL_REG1 0x5B |
JimCarver | 1:8b53edef272f | 41 | #define FXOS8700Q_M_CTRL_REG2 0x5C |
JimCarver | 1:8b53edef272f | 42 | #define FXOS8700Q_WHOAMI_VAL 0xC7 |
JimCarver | 0:2562215f5bc0 | 43 | |
JimCarver | 3:eb1271ef90bc | 44 | |
sam_grove | 10:834488c11340 | 45 | /** FXOS8700Q accelerometer example |
sam_grove | 10:834488c11340 | 46 | @code |
sam_grove | 10:834488c11340 | 47 | #include "mbed.h" |
sam_grove | 10:834488c11340 | 48 | #include "FXOS8700Q.h" |
sam_grove | 10:834488c11340 | 49 | I2C i2c(PTE25, PTE24); |
sam_grove | 10:834488c11340 | 50 | FXOS8700QAccelerometer acc(i2c, FXOS8700CQ_SLAVE_ADDR1); // Configured for the FRDM-K64F with onboard sensors |
sam_grove | 10:834488c11340 | 51 | FXOS8700QMagnetometer mag(i2c, FXOS8700CQ_SLAVE_ADDR1); |
sam_grove | 10:834488c11340 | 52 | int main(void) |
sam_grove | 10:834488c11340 | 53 | { |
sam_grove | 10:834488c11340 | 54 | motion_data_units_t acc_data, mag_data; |
sam_grove | 10:834488c11340 | 55 | motion_data_counts_t acc_raw, mag_raw; |
sam_grove | 10:834488c11340 | 56 | float faX, faY, faZ, fmX, fmY, fmZ, tmp_float; |
sam_grove | 10:834488c11340 | 57 | int16_t raX, raY, raZ, rmX, rmY, rmZ, tmp_int; |
sam_grove | 10:834488c11340 | 58 | acc.enable(); |
sam_grove | 10:834488c11340 | 59 | mag.enable(); |
sam_grove | 10:834488c11340 | 60 | while (true) { |
sam_grove | 10:834488c11340 | 61 | // counts based results |
sam_grove | 10:834488c11340 | 62 | acc.getAxis(acc_raw); |
sam_grove | 10:834488c11340 | 63 | mag.getAxis(mag_raw); |
sam_grove | 10:834488c11340 | 64 | acc.getX(raX); |
sam_grove | 10:834488c11340 | 65 | acc.getY(raY); |
sam_grove | 10:834488c11340 | 66 | acc.getZ(raZ); |
sam_grove | 10:834488c11340 | 67 | mag.getX(rmX); |
sam_grove | 10:834488c11340 | 68 | mag.getY(rmY); |
sam_grove | 10:834488c11340 | 69 | mag.getZ(rmZ); |
sam_grove | 10:834488c11340 | 70 | // unit based results |
sam_grove | 10:834488c11340 | 71 | acc.getAxis(acc_data); |
sam_grove | 10:834488c11340 | 72 | mag.getAxis(mag_data); |
sam_grove | 10:834488c11340 | 73 | acc.getX(faX); |
sam_grove | 10:834488c11340 | 74 | acc.getY(faY); |
sam_grove | 10:834488c11340 | 75 | acc.getZ(faZ); |
sam_grove | 10:834488c11340 | 76 | mag.getX(fmX); |
sam_grove | 10:834488c11340 | 77 | mag.getY(fmY); |
sam_grove | 10:834488c11340 | 78 | mag.getZ(fmZ); |
sam_grove | 10:834488c11340 | 79 | wait(0.1f); |
sam_grove | 10:834488c11340 | 80 | } |
sam_grove | 10:834488c11340 | 81 | } |
sam_grove | 10:834488c11340 | 82 | @endcode |
sam_grove | 10:834488c11340 | 83 | */ |
JimCarver | 3:eb1271ef90bc | 84 | |
sam_grove | 10:834488c11340 | 85 | /** FXOS8700Q driver class |
sam_grove | 10:834488c11340 | 86 | */ |
sam_grove | 10:834488c11340 | 87 | class FXOS8700Q : public MotionSensor |
JimCarver | 0:2562215f5bc0 | 88 | { |
JimCarver | 0:2562215f5bc0 | 89 | public: |
sam_grove | 10:834488c11340 | 90 | |
sam_grove | 10:834488c11340 | 91 | /** Read a device register |
sam_grove | 10:834488c11340 | 92 | @param addr The address to read from |
sam_grove | 10:834488c11340 | 93 | @param data The data to read from it |
sam_grove | 10:834488c11340 | 94 | @param len The amount of data to read from it |
sam_grove | 10:834488c11340 | 95 | @return 0 if successful, negative number otherwise |
sam_grove | 10:834488c11340 | 96 | */ |
sam_grove | 11:aee7dea904e2 | 97 | void readRegs(uint8_t addr, uint8_t *data, uint32_t len) const; |
JimCarver | 1:8b53edef272f | 98 | |
sam_grove | 10:834488c11340 | 99 | /** Read the ID from a whoAmI register |
sam_grove | 10:834488c11340 | 100 | @return The device whoAmI register contents |
sam_grove | 10:834488c11340 | 101 | */ |
sam_grove | 10:834488c11340 | 102 | uint8_t whoAmI(void) const; |
sam_grove | 10:834488c11340 | 103 | |
sam_grove | 10:834488c11340 | 104 | virtual void enable(void) const; |
sam_grove | 10:834488c11340 | 105 | virtual void disable(void) const; |
sam_grove | 10:834488c11340 | 106 | virtual uint32_t sampleRate(uint32_t frequency) const; |
sam_grove | 10:834488c11340 | 107 | virtual uint32_t dataReady(void) const; |
JimCarver | 1:8b53edef272f | 108 | |
sam_grove | 10:834488c11340 | 109 | protected: |
sam_grove | 10:834488c11340 | 110 | I2C *_i2c; |
sam_grove | 10:834488c11340 | 111 | uint8_t _addr; |
sam_grove | 10:834488c11340 | 112 | |
sam_grove | 10:834488c11340 | 113 | /** FXOS8700Q constructor |
sam_grove | 10:834488c11340 | 114 | @param i2c a configured i2c object |
sam_grove | 10:834488c11340 | 115 | @param addr addr of the I2C peripheral as wired |
sam_grove | 10:834488c11340 | 116 | */ |
sam_grove | 10:834488c11340 | 117 | FXOS8700Q(I2C &i2c, uint8_t addr); |
JimCarver | 0:2562215f5bc0 | 118 | |
sam_grove | 10:834488c11340 | 119 | /** FXOS8700Q deconstructor |
sam_grove | 10:834488c11340 | 120 | */ |
sam_grove | 10:834488c11340 | 121 | ~FXOS8700Q(); |
sam_grove | 10:834488c11340 | 122 | |
sam_grove | 10:834488c11340 | 123 | void writeRegs(uint8_t *data, uint32_t len) const; |
sam_grove | 10:834488c11340 | 124 | int16_t getSensorAxis(uint8_t addr) const; |
sam_grove | 10:834488c11340 | 125 | }; |
sam_grove | 10:834488c11340 | 126 | |
sam_grove | 10:834488c11340 | 127 | /** FXOS8700QAccelerometer interface |
sam_grove | 10:834488c11340 | 128 | */ |
sam_grove | 10:834488c11340 | 129 | class FXOS8700QAccelerometer : public FXOS8700Q |
sam_grove | 10:834488c11340 | 130 | { |
sam_grove | 10:834488c11340 | 131 | public: |
sam_grove | 10:834488c11340 | 132 | |
sam_grove | 10:834488c11340 | 133 | FXOS8700QAccelerometer(I2C &i2c, uint8_t addr) : FXOS8700Q(i2c, addr) {} |
sam_grove | 10:834488c11340 | 134 | |
sam_grove | 10:834488c11340 | 135 | virtual int16_t getX(int16_t &x) const; |
sam_grove | 10:834488c11340 | 136 | virtual int16_t getY(int16_t &y) const; |
sam_grove | 10:834488c11340 | 137 | virtual int16_t getZ(int16_t &z) const; |
sam_grove | 10:834488c11340 | 138 | virtual float getX(float &x) const; |
sam_grove | 10:834488c11340 | 139 | virtual float getY(float &y) const; |
sam_grove | 10:834488c11340 | 140 | virtual float getZ(float &z) const; |
sam_grove | 10:834488c11340 | 141 | virtual void getAxis(motion_data_counts_t &xyz) const; |
sam_grove | 10:834488c11340 | 142 | virtual void getAxis(motion_data_units_t &xyz) const; |
JimCarver | 6:cdc362f08339 | 143 | |
JimCarver | 6:cdc362f08339 | 144 | }; |
JimCarver | 1:8b53edef272f | 145 | |
sam_grove | 10:834488c11340 | 146 | /** FXOS8700QMagnetometer interface |
sam_grove | 10:834488c11340 | 147 | */ |
sam_grove | 10:834488c11340 | 148 | class FXOS8700QMagnetometer : public FXOS8700Q |
JimCarver | 6:cdc362f08339 | 149 | { |
JimCarver | 6:cdc362f08339 | 150 | public: |
JimCarver | 0:2562215f5bc0 | 151 | |
sam_grove | 10:834488c11340 | 152 | FXOS8700QMagnetometer(I2C &i2c, uint8_t addr) : FXOS8700Q(i2c, addr) {} |
JimCarver | 6:cdc362f08339 | 153 | |
sam_grove | 10:834488c11340 | 154 | virtual int16_t getX(int16_t &x) const; |
sam_grove | 10:834488c11340 | 155 | virtual int16_t getY(int16_t &y) const; |
sam_grove | 10:834488c11340 | 156 | virtual int16_t getZ(int16_t &z) const; |
sam_grove | 10:834488c11340 | 157 | virtual float getX(float &x) const; |
sam_grove | 10:834488c11340 | 158 | virtual float getY(float &y) const; |
sam_grove | 10:834488c11340 | 159 | virtual float getZ(float &z) const; |
sam_grove | 10:834488c11340 | 160 | virtual void getAxis(motion_data_counts_t &xyz) const; |
sam_grove | 10:834488c11340 | 161 | virtual void getAxis(motion_data_units_t &xyz) const; |
Pythia | 12:0ab2a7fab065 | 162 | int8_t getTemperature(void); |
JimCarver | 0:2562215f5bc0 | 163 | |
JimCarver | 0:2562215f5bc0 | 164 | }; |
JimCarver | 0:2562215f5bc0 | 165 | |
JimCarver | 0:2562215f5bc0 | 166 | #endif |