NOT FINISHED YET!!! My first try to get a self built fully working Quadrocopter based on an mbed, a self built frame and some other more or less cheap parts.
Sensors/Acc/ADXL345.h@0:0c4fafa398b4, 2012-09-26 (annotated)
- Committer:
- maetugr
- Date:
- Wed Sep 26 12:15:00 2012 +0000
- Revision:
- 0:0c4fafa398b4
- Child:
- 2:93f703d2c4d7
Sensor Test; Acc, Gyro working, result on LCD (servo lib included)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
maetugr | 0:0c4fafa398b4 | 1 | // based on http://mbed.org/users/Digixx/code/ADXL345/ |
maetugr | 0:0c4fafa398b4 | 2 | |
maetugr | 0:0c4fafa398b4 | 3 | /* |
maetugr | 0:0c4fafa398b4 | 4 | * ADXL345, triple axis, I2C interface, accelerometer. |
maetugr | 0:0c4fafa398b4 | 5 | * |
maetugr | 0:0c4fafa398b4 | 6 | * Datasheet: |
maetugr | 0:0c4fafa398b4 | 7 | * |
maetugr | 0:0c4fafa398b4 | 8 | * http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf |
maetugr | 0:0c4fafa398b4 | 9 | */ |
maetugr | 0:0c4fafa398b4 | 10 | |
maetugr | 0:0c4fafa398b4 | 11 | |
maetugr | 0:0c4fafa398b4 | 12 | |
maetugr | 0:0c4fafa398b4 | 13 | #ifndef __ADXL345_H |
maetugr | 0:0c4fafa398b4 | 14 | #define __ADXL345_H |
maetugr | 0:0c4fafa398b4 | 15 | |
maetugr | 0:0c4fafa398b4 | 16 | #include "mbed.h" |
maetugr | 0:0c4fafa398b4 | 17 | |
maetugr | 0:0c4fafa398b4 | 18 | // register addresses |
maetugr | 0:0c4fafa398b4 | 19 | #define ADXL345_DEVID_REG 0x00 |
maetugr | 0:0c4fafa398b4 | 20 | #define ADXL345_THRESH_TAP_REG 0x1D |
maetugr | 0:0c4fafa398b4 | 21 | #define ADXL345_OFSX_REG 0x1E |
maetugr | 0:0c4fafa398b4 | 22 | #define ADXL345_OFSY_REG 0x1F |
maetugr | 0:0c4fafa398b4 | 23 | #define ADXL345_OFSZ_REG 0x20 |
maetugr | 0:0c4fafa398b4 | 24 | #define ADXL345_DUR_REG 0x21 |
maetugr | 0:0c4fafa398b4 | 25 | #define ADXL345_LATENT_REG 0x22 |
maetugr | 0:0c4fafa398b4 | 26 | #define ADXL345_WINDOW_REG 0x23 |
maetugr | 0:0c4fafa398b4 | 27 | #define ADXL345_THRESH_ACT_REG 0x24 |
maetugr | 0:0c4fafa398b4 | 28 | #define ADXL345_THRESH_INACT_REG 0x25 |
maetugr | 0:0c4fafa398b4 | 29 | #define ADXL345_TIME_INACT_REG 0x26 |
maetugr | 0:0c4fafa398b4 | 30 | #define ADXL345_ACT_INACT_CTL_REG 0x27 |
maetugr | 0:0c4fafa398b4 | 31 | #define ADXL345_THRESH_FF_REG 0x28 |
maetugr | 0:0c4fafa398b4 | 32 | #define ADXL345_TIME_FF_REG 0x29 |
maetugr | 0:0c4fafa398b4 | 33 | #define ADXL345_TAP_AXES_REG 0x2A |
maetugr | 0:0c4fafa398b4 | 34 | #define ADXL345_ACT_TAP_STATUS_REG 0x2B |
maetugr | 0:0c4fafa398b4 | 35 | #define ADXL345_BW_RATE_REG 0x2C |
maetugr | 0:0c4fafa398b4 | 36 | #define ADXL345_POWER_CTL_REG 0x2D |
maetugr | 0:0c4fafa398b4 | 37 | #define ADXL345_INT_ENABLE_REG 0x2E |
maetugr | 0:0c4fafa398b4 | 38 | #define ADXL345_INT_MAP_REG 0x2F |
maetugr | 0:0c4fafa398b4 | 39 | #define ADXL345_INT_SOURCE_REG 0x30 |
maetugr | 0:0c4fafa398b4 | 40 | #define ADXL345_DATA_FORMAT_REG 0x31 |
maetugr | 0:0c4fafa398b4 | 41 | #define ADXL345_DATAX0_REG 0x32 |
maetugr | 0:0c4fafa398b4 | 42 | #define ADXL345_DATAX1_REG 0x33 |
maetugr | 0:0c4fafa398b4 | 43 | #define ADXL345_DATAY0_REG 0x34 |
maetugr | 0:0c4fafa398b4 | 44 | #define ADXL345_DATAY1_REG 0x35 |
maetugr | 0:0c4fafa398b4 | 45 | #define ADXL345_DATAZ0_REG 0x36 |
maetugr | 0:0c4fafa398b4 | 46 | #define ADXL345_DATAZ1_REG 0x37 |
maetugr | 0:0c4fafa398b4 | 47 | |
maetugr | 0:0c4fafa398b4 | 48 | #define ADXL345_FIFO_CTL 0x38 |
maetugr | 0:0c4fafa398b4 | 49 | #define ADXL345_FIFO_STATUS 0x39 |
maetugr | 0:0c4fafa398b4 | 50 | |
maetugr | 0:0c4fafa398b4 | 51 | // data rate codes |
maetugr | 0:0c4fafa398b4 | 52 | #define ADXL345_3200HZ 0x0F |
maetugr | 0:0c4fafa398b4 | 53 | #define ADXL345_1600HZ 0x0E |
maetugr | 0:0c4fafa398b4 | 54 | #define ADXL345_800HZ 0x0D |
maetugr | 0:0c4fafa398b4 | 55 | #define ADXL345_400HZ 0x0C |
maetugr | 0:0c4fafa398b4 | 56 | #define ADXL345_200HZ 0x0B |
maetugr | 0:0c4fafa398b4 | 57 | #define ADXL345_100HZ 0x0A |
maetugr | 0:0c4fafa398b4 | 58 | #define ADXL345_50HZ 0x09 |
maetugr | 0:0c4fafa398b4 | 59 | #define ADXL345_25HZ 0x08 |
maetugr | 0:0c4fafa398b4 | 60 | #define ADXL345_12HZ5 0x07 |
maetugr | 0:0c4fafa398b4 | 61 | #define ADXL345_6HZ25 0x06 |
maetugr | 0:0c4fafa398b4 | 62 | |
maetugr | 0:0c4fafa398b4 | 63 | // read or write bytes |
maetugr | 0:0c4fafa398b4 | 64 | #define ADXL345_READ 0xA7 |
maetugr | 0:0c4fafa398b4 | 65 | #define ADXL345_WRITE 0xA6 |
maetugr | 0:0c4fafa398b4 | 66 | #define ADXL345_ADDRESS 0x53 |
maetugr | 0:0c4fafa398b4 | 67 | |
maetugr | 0:0c4fafa398b4 | 68 | //the ADXL345 7-bit address is 0x53 when ALT ADDRESS is low as it is on the sparkfun chip: when ALT ADDRESS is high the address is 0x1D |
maetugr | 0:0c4fafa398b4 | 69 | |
maetugr | 0:0c4fafa398b4 | 70 | //when ALT ADDRESS pin is high: |
maetugr | 0:0c4fafa398b4 | 71 | //#define ADXL345_READ 0x3B |
maetugr | 0:0c4fafa398b4 | 72 | //#define ADXL345_WRITE 0x3A |
maetugr | 0:0c4fafa398b4 | 73 | //#define ADXL345_ADDRESS 0x1D |
maetugr | 0:0c4fafa398b4 | 74 | |
maetugr | 0:0c4fafa398b4 | 75 | #define ADXL345_X 0x00 |
maetugr | 0:0c4fafa398b4 | 76 | #define ADXL345_Y 0x01 |
maetugr | 0:0c4fafa398b4 | 77 | #define ADXL345_Z 0x02 |
maetugr | 0:0c4fafa398b4 | 78 | |
maetugr | 0:0c4fafa398b4 | 79 | // modes |
maetugr | 0:0c4fafa398b4 | 80 | #define MeasurementMode 0x08 |
maetugr | 0:0c4fafa398b4 | 81 | |
maetugr | 0:0c4fafa398b4 | 82 | |
maetugr | 0:0c4fafa398b4 | 83 | |
maetugr | 0:0c4fafa398b4 | 84 | |
maetugr | 0:0c4fafa398b4 | 85 | |
maetugr | 0:0c4fafa398b4 | 86 | |
maetugr | 0:0c4fafa398b4 | 87 | |
maetugr | 0:0c4fafa398b4 | 88 | class ADXL345 { |
maetugr | 0:0c4fafa398b4 | 89 | |
maetugr | 0:0c4fafa398b4 | 90 | public: |
maetugr | 0:0c4fafa398b4 | 91 | |
maetugr | 0:0c4fafa398b4 | 92 | /** |
maetugr | 0:0c4fafa398b4 | 93 | * Constructor. |
maetugr | 0:0c4fafa398b4 | 94 | * |
maetugr | 0:0c4fafa398b4 | 95 | * @param mosi mbed pin to use for SDA line of I2C interface. |
maetugr | 0:0c4fafa398b4 | 96 | * @param sck mbed pin to use for SCL line of I2C interface. |
maetugr | 0:0c4fafa398b4 | 97 | */ |
maetugr | 0:0c4fafa398b4 | 98 | ADXL345(PinName sda, PinName scl); |
maetugr | 0:0c4fafa398b4 | 99 | |
maetugr | 0:0c4fafa398b4 | 100 | /** |
maetugr | 0:0c4fafa398b4 | 101 | * Get the output of all three axes. |
maetugr | 0:0c4fafa398b4 | 102 | * |
maetugr | 0:0c4fafa398b4 | 103 | * @param Pointer to a buffer to hold the accelerometer value for the |
maetugr | 0:0c4fafa398b4 | 104 | * x-axis, y-axis and z-axis [in that order]. |
maetugr | 0:0c4fafa398b4 | 105 | */ |
maetugr | 0:0c4fafa398b4 | 106 | void getOutput(int* readings); |
maetugr | 0:0c4fafa398b4 | 107 | |
maetugr | 0:0c4fafa398b4 | 108 | /** |
maetugr | 0:0c4fafa398b4 | 109 | * Read the device ID register on the device. |
maetugr | 0:0c4fafa398b4 | 110 | * |
maetugr | 0:0c4fafa398b4 | 111 | * @return The device ID code [0xE5] |
maetugr | 0:0c4fafa398b4 | 112 | */ |
maetugr | 0:0c4fafa398b4 | 113 | char getDeviceID(void); |
maetugr | 0:0c4fafa398b4 | 114 | |
maetugr | 0:0c4fafa398b4 | 115 | /** |
maetugr | 0:0c4fafa398b4 | 116 | * Set the power mode. |
maetugr | 0:0c4fafa398b4 | 117 | * |
maetugr | 0:0c4fafa398b4 | 118 | * @param mode 0 -> Normal operation. |
maetugr | 0:0c4fafa398b4 | 119 | * 1 -> Reduced power operation. |
maetugr | 0:0c4fafa398b4 | 120 | */ |
maetugr | 0:0c4fafa398b4 | 121 | int setPowerMode(char mode); |
maetugr | 0:0c4fafa398b4 | 122 | |
maetugr | 0:0c4fafa398b4 | 123 | /** |
maetugr | 0:0c4fafa398b4 | 124 | * Set the power control settings. |
maetugr | 0:0c4fafa398b4 | 125 | * |
maetugr | 0:0c4fafa398b4 | 126 | * See datasheet for details. |
maetugr | 0:0c4fafa398b4 | 127 | * |
maetugr | 0:0c4fafa398b4 | 128 | * @param The control byte to write to the POWER_CTL register. |
maetugr | 0:0c4fafa398b4 | 129 | */ |
maetugr | 0:0c4fafa398b4 | 130 | int setPowerControl(char settings); |
maetugr | 0:0c4fafa398b4 | 131 | /** |
maetugr | 0:0c4fafa398b4 | 132 | * Get the power control settings. |
maetugr | 0:0c4fafa398b4 | 133 | * |
maetugr | 0:0c4fafa398b4 | 134 | * See datasheet for details. |
maetugr | 0:0c4fafa398b4 | 135 | * |
maetugr | 0:0c4fafa398b4 | 136 | * @return The contents of the POWER_CTL register. |
maetugr | 0:0c4fafa398b4 | 137 | */ |
maetugr | 0:0c4fafa398b4 | 138 | char getPowerControl(void); |
maetugr | 0:0c4fafa398b4 | 139 | |
maetugr | 0:0c4fafa398b4 | 140 | |
maetugr | 0:0c4fafa398b4 | 141 | /** |
maetugr | 0:0c4fafa398b4 | 142 | * Get the data format settings. |
maetugr | 0:0c4fafa398b4 | 143 | * |
maetugr | 0:0c4fafa398b4 | 144 | * @return The contents of the DATA_FORMAT register. |
maetugr | 0:0c4fafa398b4 | 145 | */ |
maetugr | 0:0c4fafa398b4 | 146 | |
maetugr | 0:0c4fafa398b4 | 147 | char getDataFormatControl(void); |
maetugr | 0:0c4fafa398b4 | 148 | |
maetugr | 0:0c4fafa398b4 | 149 | /** |
maetugr | 0:0c4fafa398b4 | 150 | * Set the data format settings. |
maetugr | 0:0c4fafa398b4 | 151 | * |
maetugr | 0:0c4fafa398b4 | 152 | * @param settings The control byte to write to the DATA_FORMAT register. |
maetugr | 0:0c4fafa398b4 | 153 | */ |
maetugr | 0:0c4fafa398b4 | 154 | int setDataFormatControl(char settings); |
maetugr | 0:0c4fafa398b4 | 155 | |
maetugr | 0:0c4fafa398b4 | 156 | /** |
maetugr | 0:0c4fafa398b4 | 157 | * Set the data rate. |
maetugr | 0:0c4fafa398b4 | 158 | * |
maetugr | 0:0c4fafa398b4 | 159 | * @param rate The rate code (see #defines or datasheet). |
maetugr | 0:0c4fafa398b4 | 160 | */ |
maetugr | 0:0c4fafa398b4 | 161 | int setDataRate(char rate); |
maetugr | 0:0c4fafa398b4 | 162 | |
maetugr | 0:0c4fafa398b4 | 163 | |
maetugr | 0:0c4fafa398b4 | 164 | /** |
maetugr | 0:0c4fafa398b4 | 165 | * Get the current offset for a particular axis. |
maetugr | 0:0c4fafa398b4 | 166 | * |
maetugr | 0:0c4fafa398b4 | 167 | * @param axis 0x00 -> X-axis |
maetugr | 0:0c4fafa398b4 | 168 | * 0x01 -> Y-axis |
maetugr | 0:0c4fafa398b4 | 169 | * 0x02 -> Z-axis |
maetugr | 0:0c4fafa398b4 | 170 | * @return The current offset as an 8-bit 2's complement number with scale |
maetugr | 0:0c4fafa398b4 | 171 | * factor 15.6mg/LSB. |
maetugr | 0:0c4fafa398b4 | 172 | */ |
maetugr | 0:0c4fafa398b4 | 173 | |
maetugr | 0:0c4fafa398b4 | 174 | char getOffset(char axis); |
maetugr | 0:0c4fafa398b4 | 175 | |
maetugr | 0:0c4fafa398b4 | 176 | /** |
maetugr | 0:0c4fafa398b4 | 177 | * Set the offset for a particular axis. |
maetugr | 0:0c4fafa398b4 | 178 | * |
maetugr | 0:0c4fafa398b4 | 179 | * @param axis 0x00 -> X-axis |
maetugr | 0:0c4fafa398b4 | 180 | * 0x01 -> Y-axis |
maetugr | 0:0c4fafa398b4 | 181 | * 0x02 -> Z-axis |
maetugr | 0:0c4fafa398b4 | 182 | * @param offset The offset as an 8-bit 2's complement number with scale |
maetugr | 0:0c4fafa398b4 | 183 | * factor 15.6mg/LSB. |
maetugr | 0:0c4fafa398b4 | 184 | */ |
maetugr | 0:0c4fafa398b4 | 185 | int setOffset(char axis, char offset); |
maetugr | 0:0c4fafa398b4 | 186 | |
maetugr | 0:0c4fafa398b4 | 187 | /** |
maetugr | 0:0c4fafa398b4 | 188 | * Get the FIFO control settings. |
maetugr | 0:0c4fafa398b4 | 189 | * |
maetugr | 0:0c4fafa398b4 | 190 | * @return The contents of the FIFO_CTL register. |
maetugr | 0:0c4fafa398b4 | 191 | */ |
maetugr | 0:0c4fafa398b4 | 192 | char getFifoControl(void); |
maetugr | 0:0c4fafa398b4 | 193 | |
maetugr | 0:0c4fafa398b4 | 194 | /** |
maetugr | 0:0c4fafa398b4 | 195 | * Set the FIFO control settings. |
maetugr | 0:0c4fafa398b4 | 196 | * |
maetugr | 0:0c4fafa398b4 | 197 | * @param The control byte to write to the FIFO_CTL register. |
maetugr | 0:0c4fafa398b4 | 198 | */ |
maetugr | 0:0c4fafa398b4 | 199 | int setFifoControl(char settings); |
maetugr | 0:0c4fafa398b4 | 200 | |
maetugr | 0:0c4fafa398b4 | 201 | /** |
maetugr | 0:0c4fafa398b4 | 202 | * Get FIFO status. |
maetugr | 0:0c4fafa398b4 | 203 | * |
maetugr | 0:0c4fafa398b4 | 204 | * @return The contents of the FIFO_STATUS register. |
maetugr | 0:0c4fafa398b4 | 205 | */ |
maetugr | 0:0c4fafa398b4 | 206 | char getFifoStatus(void); |
maetugr | 0:0c4fafa398b4 | 207 | |
maetugr | 0:0c4fafa398b4 | 208 | /** |
maetugr | 0:0c4fafa398b4 | 209 | * Read the tap threshold on the device. |
maetugr | 0:0c4fafa398b4 | 210 | * |
maetugr | 0:0c4fafa398b4 | 211 | * @return The tap threshold as an 8-bit number with a scale factor of |
maetugr | 0:0c4fafa398b4 | 212 | * 62.5mg/LSB. |
maetugr | 0:0c4fafa398b4 | 213 | */ |
maetugr | 0:0c4fafa398b4 | 214 | char getTapThreshold(void); |
maetugr | 0:0c4fafa398b4 | 215 | |
maetugr | 0:0c4fafa398b4 | 216 | /** |
maetugr | 0:0c4fafa398b4 | 217 | * Set the tap threshold. |
maetugr | 0:0c4fafa398b4 | 218 | * |
maetugr | 0:0c4fafa398b4 | 219 | * @param The tap threshold as an 8-bit number with a scale factor of |
maetugr | 0:0c4fafa398b4 | 220 | * 62.5mg/LSB. |
maetugr | 0:0c4fafa398b4 | 221 | */ |
maetugr | 0:0c4fafa398b4 | 222 | int setTapThreshold(char threshold); |
maetugr | 0:0c4fafa398b4 | 223 | |
maetugr | 0:0c4fafa398b4 | 224 | /** |
maetugr | 0:0c4fafa398b4 | 225 | * Get the tap duration required to trigger an event. |
maetugr | 0:0c4fafa398b4 | 226 | * |
maetugr | 0:0c4fafa398b4 | 227 | * @return The max time that an event must be above the tap threshold to |
maetugr | 0:0c4fafa398b4 | 228 | * qualify as a tap event, in microseconds. |
maetugr | 0:0c4fafa398b4 | 229 | */ |
maetugr | 0:0c4fafa398b4 | 230 | float getTapDuration(void); |
maetugr | 0:0c4fafa398b4 | 231 | |
maetugr | 0:0c4fafa398b4 | 232 | /** |
maetugr | 0:0c4fafa398b4 | 233 | * Set the tap duration required to trigger an event. |
maetugr | 0:0c4fafa398b4 | 234 | * |
maetugr | 0:0c4fafa398b4 | 235 | * @param duration_us The max time that an event must be above the tap |
maetugr | 0:0c4fafa398b4 | 236 | * threshold to qualify as a tap event, in microseconds. |
maetugr | 0:0c4fafa398b4 | 237 | * Time will be normalized by the scale factor which is |
maetugr | 0:0c4fafa398b4 | 238 | * 625us/LSB. A value of 0 disables the single/double |
maetugr | 0:0c4fafa398b4 | 239 | * tap functions. |
maetugr | 0:0c4fafa398b4 | 240 | */ |
maetugr | 0:0c4fafa398b4 | 241 | int setTapDuration(short int duration_us); |
maetugr | 0:0c4fafa398b4 | 242 | |
maetugr | 0:0c4fafa398b4 | 243 | /** |
maetugr | 0:0c4fafa398b4 | 244 | * Get the tap latency between the detection of a tap and the time window. |
maetugr | 0:0c4fafa398b4 | 245 | * |
maetugr | 0:0c4fafa398b4 | 246 | * @return The wait time from the detection of a tap event to the start of |
maetugr | 0:0c4fafa398b4 | 247 | * the time window during which a possible second tap event can be |
maetugr | 0:0c4fafa398b4 | 248 | * detected in milliseconds. |
maetugr | 0:0c4fafa398b4 | 249 | */ |
maetugr | 0:0c4fafa398b4 | 250 | float getTapLatency(void); |
maetugr | 0:0c4fafa398b4 | 251 | |
maetugr | 0:0c4fafa398b4 | 252 | /** |
maetugr | 0:0c4fafa398b4 | 253 | * Set the tap latency between the detection of a tap and the time window. |
maetugr | 0:0c4fafa398b4 | 254 | * |
maetugr | 0:0c4fafa398b4 | 255 | * @param latency_ms The wait time from the detection of a tap event to the |
maetugr | 0:0c4fafa398b4 | 256 | * start of the time window during which a possible |
maetugr | 0:0c4fafa398b4 | 257 | * second tap event can be detected in milliseconds. |
maetugr | 0:0c4fafa398b4 | 258 | * A value of 0 disables the double tap function. |
maetugr | 0:0c4fafa398b4 | 259 | */ |
maetugr | 0:0c4fafa398b4 | 260 | int setTapLatency(short int latency_ms); |
maetugr | 0:0c4fafa398b4 | 261 | |
maetugr | 0:0c4fafa398b4 | 262 | /** |
maetugr | 0:0c4fafa398b4 | 263 | * Get the time of window between tap latency and a double tap. |
maetugr | 0:0c4fafa398b4 | 264 | * |
maetugr | 0:0c4fafa398b4 | 265 | * @return The amount of time after the expiration of the latency time |
maetugr | 0:0c4fafa398b4 | 266 | * during which a second valid tap can begin, in milliseconds. |
maetugr | 0:0c4fafa398b4 | 267 | */ |
maetugr | 0:0c4fafa398b4 | 268 | float getWindowTime(void); |
maetugr | 0:0c4fafa398b4 | 269 | |
maetugr | 0:0c4fafa398b4 | 270 | /** |
maetugr | 0:0c4fafa398b4 | 271 | * Set the time of the window between tap latency and a double tap. |
maetugr | 0:0c4fafa398b4 | 272 | * |
maetugr | 0:0c4fafa398b4 | 273 | * @param window_ms The amount of time after the expiration of the latency |
maetugr | 0:0c4fafa398b4 | 274 | * time during which a second valid tap can begin, |
maetugr | 0:0c4fafa398b4 | 275 | * in milliseconds. |
maetugr | 0:0c4fafa398b4 | 276 | */ |
maetugr | 0:0c4fafa398b4 | 277 | int setWindowTime(short int window_ms); |
maetugr | 0:0c4fafa398b4 | 278 | |
maetugr | 0:0c4fafa398b4 | 279 | /** |
maetugr | 0:0c4fafa398b4 | 280 | * Get the threshold value for detecting activity. |
maetugr | 0:0c4fafa398b4 | 281 | * |
maetugr | 0:0c4fafa398b4 | 282 | * @return The threshold value for detecting activity as an 8-bit number. |
maetugr | 0:0c4fafa398b4 | 283 | * Scale factor is 62.5mg/LSB. |
maetugr | 0:0c4fafa398b4 | 284 | */ |
maetugr | 0:0c4fafa398b4 | 285 | char getActivityThreshold(void); |
maetugr | 0:0c4fafa398b4 | 286 | |
maetugr | 0:0c4fafa398b4 | 287 | /** |
maetugr | 0:0c4fafa398b4 | 288 | * Set the threshold value for detecting activity. |
maetugr | 0:0c4fafa398b4 | 289 | * |
maetugr | 0:0c4fafa398b4 | 290 | * @param threshold The threshold value for detecting activity as an 8-bit |
maetugr | 0:0c4fafa398b4 | 291 | * number. Scale factor is 62.5mg/LSB. A value of 0 may |
maetugr | 0:0c4fafa398b4 | 292 | * result in undesirable behavior if the activity |
maetugr | 0:0c4fafa398b4 | 293 | * interrupt is enabled. |
maetugr | 0:0c4fafa398b4 | 294 | */ |
maetugr | 0:0c4fafa398b4 | 295 | int setActivityThreshold(char threshold); |
maetugr | 0:0c4fafa398b4 | 296 | |
maetugr | 0:0c4fafa398b4 | 297 | /** |
maetugr | 0:0c4fafa398b4 | 298 | * Get the threshold value for detecting inactivity. |
maetugr | 0:0c4fafa398b4 | 299 | * |
maetugr | 0:0c4fafa398b4 | 300 | * @return The threshold value for detecting inactivity as an 8-bit number. |
maetugr | 0:0c4fafa398b4 | 301 | * Scale factor is 62.5mg/LSB. |
maetugr | 0:0c4fafa398b4 | 302 | */ |
maetugr | 0:0c4fafa398b4 | 303 | char getInactivityThreshold(void); |
maetugr | 0:0c4fafa398b4 | 304 | |
maetugr | 0:0c4fafa398b4 | 305 | /** |
maetugr | 0:0c4fafa398b4 | 306 | * Set the threshold value for detecting inactivity. |
maetugr | 0:0c4fafa398b4 | 307 | * |
maetugr | 0:0c4fafa398b4 | 308 | * @param threshold The threshold value for detecting inactivity as an |
maetugr | 0:0c4fafa398b4 | 309 | * 8-bit number. Scale factor is 62.5mg/LSB. |
maetugr | 0:0c4fafa398b4 | 310 | */ |
maetugr | 0:0c4fafa398b4 | 311 | int setInactivityThreshold(char threshold); |
maetugr | 0:0c4fafa398b4 | 312 | |
maetugr | 0:0c4fafa398b4 | 313 | /** |
maetugr | 0:0c4fafa398b4 | 314 | * Get the time required for inactivity to be declared. |
maetugr | 0:0c4fafa398b4 | 315 | * |
maetugr | 0:0c4fafa398b4 | 316 | * @return The amount of time that acceleration must be less than the |
maetugr | 0:0c4fafa398b4 | 317 | * inactivity threshold for inactivity to be declared, in |
maetugr | 0:0c4fafa398b4 | 318 | * seconds. |
maetugr | 0:0c4fafa398b4 | 319 | */ |
maetugr | 0:0c4fafa398b4 | 320 | char getTimeInactivity(void); |
maetugr | 0:0c4fafa398b4 | 321 | |
maetugr | 0:0c4fafa398b4 | 322 | /** |
maetugr | 0:0c4fafa398b4 | 323 | * Set the time required for inactivity to be declared. |
maetugr | 0:0c4fafa398b4 | 324 | * |
maetugr | 0:0c4fafa398b4 | 325 | * @param inactivity The amount of time that acceleration must be less than |
maetugr | 0:0c4fafa398b4 | 326 | * the inactivity threshold for inactivity to be |
maetugr | 0:0c4fafa398b4 | 327 | * declared, in seconds. A value of 0 results in an |
maetugr | 0:0c4fafa398b4 | 328 | * interrupt when the output data is less than the |
maetugr | 0:0c4fafa398b4 | 329 | * threshold inactivity. |
maetugr | 0:0c4fafa398b4 | 330 | */ |
maetugr | 0:0c4fafa398b4 | 331 | int setTimeInactivity(char timeInactivity); |
maetugr | 0:0c4fafa398b4 | 332 | |
maetugr | 0:0c4fafa398b4 | 333 | /** |
maetugr | 0:0c4fafa398b4 | 334 | * Get the activity/inactivity control settings. |
maetugr | 0:0c4fafa398b4 | 335 | * |
maetugr | 0:0c4fafa398b4 | 336 | * D7 D6 D5 D4 |
maetugr | 0:0c4fafa398b4 | 337 | * +-----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 338 | * | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable | |
maetugr | 0:0c4fafa398b4 | 339 | * +-----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 340 | * |
maetugr | 0:0c4fafa398b4 | 341 | * D3 D2 D1 D0 |
maetugr | 0:0c4fafa398b4 | 342 | * +-------------+----------------+----------------+----------------+ |
maetugr | 0:0c4fafa398b4 | 343 | * | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable | |
maetugr | 0:0c4fafa398b4 | 344 | * +-------------+----------------+----------------+----------------+ |
maetugr | 0:0c4fafa398b4 | 345 | * |
maetugr | 0:0c4fafa398b4 | 346 | * See datasheet for details. |
maetugr | 0:0c4fafa398b4 | 347 | * |
maetugr | 0:0c4fafa398b4 | 348 | * @return The contents of the ACT_INACT_CTL register. |
maetugr | 0:0c4fafa398b4 | 349 | */ |
maetugr | 0:0c4fafa398b4 | 350 | char getActivityInactivityControl(void); |
maetugr | 0:0c4fafa398b4 | 351 | |
maetugr | 0:0c4fafa398b4 | 352 | /** |
maetugr | 0:0c4fafa398b4 | 353 | * Set the activity/inactivity control settings. |
maetugr | 0:0c4fafa398b4 | 354 | * |
maetugr | 0:0c4fafa398b4 | 355 | * D7 D6 D5 D4 |
maetugr | 0:0c4fafa398b4 | 356 | * +-----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 357 | * | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable | |
maetugr | 0:0c4fafa398b4 | 358 | * +-----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 359 | * |
maetugr | 0:0c4fafa398b4 | 360 | * D3 D2 D1 D0 |
maetugr | 0:0c4fafa398b4 | 361 | * +-------------+----------------+----------------+----------------+ |
maetugr | 0:0c4fafa398b4 | 362 | * | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable | |
maetugr | 0:0c4fafa398b4 | 363 | * +-------------+----------------+----------------+----------------+ |
maetugr | 0:0c4fafa398b4 | 364 | * |
maetugr | 0:0c4fafa398b4 | 365 | * See datasheet for details. |
maetugr | 0:0c4fafa398b4 | 366 | * |
maetugr | 0:0c4fafa398b4 | 367 | * @param settings The control byte to write to the ACT_INACT_CTL register. |
maetugr | 0:0c4fafa398b4 | 368 | */ |
maetugr | 0:0c4fafa398b4 | 369 | int setActivityInactivityControl(char settings); |
maetugr | 0:0c4fafa398b4 | 370 | |
maetugr | 0:0c4fafa398b4 | 371 | /** |
maetugr | 0:0c4fafa398b4 | 372 | * Get the threshold for free fall detection. |
maetugr | 0:0c4fafa398b4 | 373 | * |
maetugr | 0:0c4fafa398b4 | 374 | * @return The threshold value for free-fall detection, as an 8-bit number, |
maetugr | 0:0c4fafa398b4 | 375 | * with scale factor 62.5mg/LSB. |
maetugr | 0:0c4fafa398b4 | 376 | */ |
maetugr | 0:0c4fafa398b4 | 377 | char getFreefallThreshold(void); |
maetugr | 0:0c4fafa398b4 | 378 | |
maetugr | 0:0c4fafa398b4 | 379 | /** |
maetugr | 0:0c4fafa398b4 | 380 | * Set the threshold for free fall detection. |
maetugr | 0:0c4fafa398b4 | 381 | * |
maetugr | 0:0c4fafa398b4 | 382 | * @return The threshold value for free-fall detection, as an 8-bit number, |
maetugr | 0:0c4fafa398b4 | 383 | * with scale factor 62.5mg/LSB. A value of 0 may result in |
maetugr | 0:0c4fafa398b4 | 384 | * undesirable behavior if the free-fall interrupt is enabled. |
maetugr | 0:0c4fafa398b4 | 385 | * Values between 300 mg and 600 mg (0x05 to 0x09) are recommended. |
maetugr | 0:0c4fafa398b4 | 386 | */ |
maetugr | 0:0c4fafa398b4 | 387 | int setFreefallThreshold(char threshold); |
maetugr | 0:0c4fafa398b4 | 388 | |
maetugr | 0:0c4fafa398b4 | 389 | /** |
maetugr | 0:0c4fafa398b4 | 390 | * Get the time required to generate a free fall interrupt. |
maetugr | 0:0c4fafa398b4 | 391 | * |
maetugr | 0:0c4fafa398b4 | 392 | * @return The minimum time that the value of all axes must be less than |
maetugr | 0:0c4fafa398b4 | 393 | * the freefall threshold to generate a free-fall interrupt, in |
maetugr | 0:0c4fafa398b4 | 394 | * milliseconds. |
maetugr | 0:0c4fafa398b4 | 395 | */ |
maetugr | 0:0c4fafa398b4 | 396 | char getFreefallTime(void); |
maetugr | 0:0c4fafa398b4 | 397 | |
maetugr | 0:0c4fafa398b4 | 398 | /** |
maetugr | 0:0c4fafa398b4 | 399 | * Set the time required to generate a free fall interrupt. |
maetugr | 0:0c4fafa398b4 | 400 | * |
maetugr | 0:0c4fafa398b4 | 401 | * @return The minimum time that the value of all axes must be less than |
maetugr | 0:0c4fafa398b4 | 402 | * the freefall threshold to generate a free-fall interrupt, in |
maetugr | 0:0c4fafa398b4 | 403 | * milliseconds. A value of 0 may result in undesirable behavior |
maetugr | 0:0c4fafa398b4 | 404 | * if the free-fall interrupt is enabled. Values between 100 ms |
maetugr | 0:0c4fafa398b4 | 405 | * and 350 ms (0x14 to 0x46) are recommended. |
maetugr | 0:0c4fafa398b4 | 406 | */ |
maetugr | 0:0c4fafa398b4 | 407 | int setFreefallTime(short int freefallTime_ms); |
maetugr | 0:0c4fafa398b4 | 408 | |
maetugr | 0:0c4fafa398b4 | 409 | /** |
maetugr | 0:0c4fafa398b4 | 410 | * Get the axis tap settings. |
maetugr | 0:0c4fafa398b4 | 411 | * |
maetugr | 0:0c4fafa398b4 | 412 | * D3 D2 D1 D0 |
maetugr | 0:0c4fafa398b4 | 413 | * +----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 414 | * | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable | |
maetugr | 0:0c4fafa398b4 | 415 | * +----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 416 | * |
maetugr | 0:0c4fafa398b4 | 417 | * (D7-D4 are 0s). |
maetugr | 0:0c4fafa398b4 | 418 | * |
maetugr | 0:0c4fafa398b4 | 419 | * See datasheet for more details. |
maetugr | 0:0c4fafa398b4 | 420 | * |
maetugr | 0:0c4fafa398b4 | 421 | * @return The contents of the TAP_AXES register. |
maetugr | 0:0c4fafa398b4 | 422 | */ |
maetugr | 0:0c4fafa398b4 | 423 | char getTapAxisControl(void); |
maetugr | 0:0c4fafa398b4 | 424 | |
maetugr | 0:0c4fafa398b4 | 425 | /** |
maetugr | 0:0c4fafa398b4 | 426 | * Set the axis tap settings. |
maetugr | 0:0c4fafa398b4 | 427 | * |
maetugr | 0:0c4fafa398b4 | 428 | * D3 D2 D1 D0 |
maetugr | 0:0c4fafa398b4 | 429 | * +----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 430 | * | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable | |
maetugr | 0:0c4fafa398b4 | 431 | * +----------+--------------+--------------+--------------+ |
maetugr | 0:0c4fafa398b4 | 432 | * |
maetugr | 0:0c4fafa398b4 | 433 | * (D7-D4 are 0s). |
maetugr | 0:0c4fafa398b4 | 434 | * |
maetugr | 0:0c4fafa398b4 | 435 | * See datasheet for more details. |
maetugr | 0:0c4fafa398b4 | 436 | * |
maetugr | 0:0c4fafa398b4 | 437 | * @param The control byte to write to the TAP_AXES register. |
maetugr | 0:0c4fafa398b4 | 438 | */ |
maetugr | 0:0c4fafa398b4 | 439 | int setTapAxisControl(char settings); |
maetugr | 0:0c4fafa398b4 | 440 | |
maetugr | 0:0c4fafa398b4 | 441 | /** |
maetugr | 0:0c4fafa398b4 | 442 | * Get the source of a tap. |
maetugr | 0:0c4fafa398b4 | 443 | * |
maetugr | 0:0c4fafa398b4 | 444 | * @return The contents of the ACT_TAP_STATUS register. |
maetugr | 0:0c4fafa398b4 | 445 | */ |
maetugr | 0:0c4fafa398b4 | 446 | char getTapSource(void); |
maetugr | 0:0c4fafa398b4 | 447 | |
maetugr | 0:0c4fafa398b4 | 448 | /** |
maetugr | 0:0c4fafa398b4 | 449 | * Get the interrupt enable settings. |
maetugr | 0:0c4fafa398b4 | 450 | * |
maetugr | 0:0c4fafa398b4 | 451 | * @return The contents of the INT_ENABLE register. |
maetugr | 0:0c4fafa398b4 | 452 | */ |
maetugr | 0:0c4fafa398b4 | 453 | |
maetugr | 0:0c4fafa398b4 | 454 | char getInterruptEnableControl(void); |
maetugr | 0:0c4fafa398b4 | 455 | |
maetugr | 0:0c4fafa398b4 | 456 | /** |
maetugr | 0:0c4fafa398b4 | 457 | * Set the interrupt enable settings. |
maetugr | 0:0c4fafa398b4 | 458 | * |
maetugr | 0:0c4fafa398b4 | 459 | * @param settings The control byte to write to the INT_ENABLE register. |
maetugr | 0:0c4fafa398b4 | 460 | */ |
maetugr | 0:0c4fafa398b4 | 461 | int setInterruptEnableControl(char settings); |
maetugr | 0:0c4fafa398b4 | 462 | |
maetugr | 0:0c4fafa398b4 | 463 | /** |
maetugr | 0:0c4fafa398b4 | 464 | * Get the interrupt mapping settings. |
maetugr | 0:0c4fafa398b4 | 465 | * |
maetugr | 0:0c4fafa398b4 | 466 | * @return The contents of the INT_MAP register. |
maetugr | 0:0c4fafa398b4 | 467 | */ |
maetugr | 0:0c4fafa398b4 | 468 | char getInterruptMappingControl(void); |
maetugr | 0:0c4fafa398b4 | 469 | |
maetugr | 0:0c4fafa398b4 | 470 | /** |
maetugr | 0:0c4fafa398b4 | 471 | * Set the interrupt mapping settings. |
maetugr | 0:0c4fafa398b4 | 472 | * |
maetugr | 0:0c4fafa398b4 | 473 | * @param settings The control byte to write to the INT_MAP register. |
maetugr | 0:0c4fafa398b4 | 474 | */ |
maetugr | 0:0c4fafa398b4 | 475 | int setInterruptMappingControl(char settings); |
maetugr | 0:0c4fafa398b4 | 476 | |
maetugr | 0:0c4fafa398b4 | 477 | /** |
maetugr | 0:0c4fafa398b4 | 478 | * Get the interrupt source. |
maetugr | 0:0c4fafa398b4 | 479 | * |
maetugr | 0:0c4fafa398b4 | 480 | * @return The contents of the INT_SOURCE register. |
maetugr | 0:0c4fafa398b4 | 481 | */ |
maetugr | 0:0c4fafa398b4 | 482 | char getInterruptSource(void); |
maetugr | 0:0c4fafa398b4 | 483 | |
maetugr | 0:0c4fafa398b4 | 484 | |
maetugr | 0:0c4fafa398b4 | 485 | private: |
maetugr | 0:0c4fafa398b4 | 486 | |
maetugr | 0:0c4fafa398b4 | 487 | I2C i2c_; |
maetugr | 0:0c4fafa398b4 | 488 | |
maetugr | 0:0c4fafa398b4 | 489 | |
maetugr | 0:0c4fafa398b4 | 490 | /** |
maetugr | 0:0c4fafa398b4 | 491 | * Read one byte from a register on the device. |
maetugr | 0:0c4fafa398b4 | 492 | * |
maetugr | 0:0c4fafa398b4 | 493 | * @param: - the address to be read from |
maetugr | 0:0c4fafa398b4 | 494 | * |
maetugr | 0:0c4fafa398b4 | 495 | * @return: the value of the data read |
maetugr | 0:0c4fafa398b4 | 496 | */ |
maetugr | 0:0c4fafa398b4 | 497 | char SingleByteRead(char address); |
maetugr | 0:0c4fafa398b4 | 498 | |
maetugr | 0:0c4fafa398b4 | 499 | /** |
maetugr | 0:0c4fafa398b4 | 500 | * Write one byte to a register on the device. |
maetugr | 0:0c4fafa398b4 | 501 | * |
maetugr | 0:0c4fafa398b4 | 502 | * @param: |
maetugr | 0:0c4fafa398b4 | 503 | - address of the register to write to. |
maetugr | 0:0c4fafa398b4 | 504 | - the value of the data to store |
maetugr | 0:0c4fafa398b4 | 505 | */ |
maetugr | 0:0c4fafa398b4 | 506 | |
maetugr | 0:0c4fafa398b4 | 507 | |
maetugr | 0:0c4fafa398b4 | 508 | int SingleByteWrite(char address, char data); |
maetugr | 0:0c4fafa398b4 | 509 | |
maetugr | 0:0c4fafa398b4 | 510 | /** |
maetugr | 0:0c4fafa398b4 | 511 | * Read several consecutive bytes on the device and store them in a given location. |
maetugr | 0:0c4fafa398b4 | 512 | * |
maetugr | 0:0c4fafa398b4 | 513 | * @param startAddress: The address of the first register to read from. |
maetugr | 0:0c4fafa398b4 | 514 | * @param ptr_output: a pointer to the location to store the data being read |
maetugr | 0:0c4fafa398b4 | 515 | * @param size: The number of bytes to read. |
maetugr | 0:0c4fafa398b4 | 516 | */ |
maetugr | 0:0c4fafa398b4 | 517 | void multiByteRead(char startAddress, char* ptr_output, int size); |
maetugr | 0:0c4fafa398b4 | 518 | |
maetugr | 0:0c4fafa398b4 | 519 | /** |
maetugr | 0:0c4fafa398b4 | 520 | * Write several consecutive bytes on the device. |
maetugr | 0:0c4fafa398b4 | 521 | * |
maetugr | 0:0c4fafa398b4 | 522 | * @param startAddress: The address of the first register to write to. |
maetugr | 0:0c4fafa398b4 | 523 | * @param ptr_data: Pointer to a location which contains the data to write. |
maetugr | 0:0c4fafa398b4 | 524 | * @param size: The number of bytes to write. |
maetugr | 0:0c4fafa398b4 | 525 | */ |
maetugr | 0:0c4fafa398b4 | 526 | int multiByteWrite(char startAddress, char* ptr_data, int size); |
maetugr | 0:0c4fafa398b4 | 527 | |
maetugr | 0:0c4fafa398b4 | 528 | }; |
maetugr | 0:0c4fafa398b4 | 529 | |
maetugr | 0:0c4fafa398b4 | 530 | #endif |