Samuel Mokrani
Websocket Hello World over a wifi network
Dependencies: EthernetNetIf mbed DNSResolver
ADXL345/ADXL345.h@0:e10d21debdaa, 2011-08-26 (annotated)
- Committer:
- samux
- Date:
- Fri Aug 26 13:23:52 2011 +0000
- Revision:
- 0:e10d21debdaa
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| samux | 0:e10d21debdaa | 1 | /** |
| samux | 0:e10d21debdaa | 2 | * @author Aaron Berk |
| samux | 0:e10d21debdaa | 3 | * |
| samux | 0:e10d21debdaa | 4 | * @section LICENSE |
| samux | 0:e10d21debdaa | 5 | * |
| samux | 0:e10d21debdaa | 6 | * Copyright (c) 2010 ARM Limited |
| samux | 0:e10d21debdaa | 7 | * |
| samux | 0:e10d21debdaa | 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| samux | 0:e10d21debdaa | 9 | * of this software and associated documentation files (the "Software"), to deal |
| samux | 0:e10d21debdaa | 10 | * in the Software without restriction, including without limitation the rights |
| samux | 0:e10d21debdaa | 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| samux | 0:e10d21debdaa | 12 | * copies of the Software, and to permit persons to whom the Software is |
| samux | 0:e10d21debdaa | 13 | * furnished to do so, subject to the following conditions: |
| samux | 0:e10d21debdaa | 14 | * |
| samux | 0:e10d21debdaa | 15 | * The above copyright notice and this permission notice shall be included in |
| samux | 0:e10d21debdaa | 16 | * all copies or substantial portions of the Software. |
| samux | 0:e10d21debdaa | 17 | * |
| samux | 0:e10d21debdaa | 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| samux | 0:e10d21debdaa | 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| samux | 0:e10d21debdaa | 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| samux | 0:e10d21debdaa | 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| samux | 0:e10d21debdaa | 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| samux | 0:e10d21debdaa | 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| samux | 0:e10d21debdaa | 24 | * THE SOFTWARE. |
| samux | 0:e10d21debdaa | 25 | * |
| samux | 0:e10d21debdaa | 26 | * @section DESCRIPTION |
| samux | 0:e10d21debdaa | 27 | * |
| samux | 0:e10d21debdaa | 28 | * ADXL345, triple axis, digital interface, accelerometer. |
| samux | 0:e10d21debdaa | 29 | * |
| samux | 0:e10d21debdaa | 30 | * Datasheet: |
| samux | 0:e10d21debdaa | 31 | * |
| samux | 0:e10d21debdaa | 32 | * http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf |
| samux | 0:e10d21debdaa | 33 | */ |
| samux | 0:e10d21debdaa | 34 | |
| samux | 0:e10d21debdaa | 35 | #ifndef ADXL345_H |
| samux | 0:e10d21debdaa | 36 | #define ADXL345_H |
| samux | 0:e10d21debdaa | 37 | |
| samux | 0:e10d21debdaa | 38 | /** |
| samux | 0:e10d21debdaa | 39 | * Includes |
| samux | 0:e10d21debdaa | 40 | */ |
| samux | 0:e10d21debdaa | 41 | #include "mbed.h" |
| samux | 0:e10d21debdaa | 42 | |
| samux | 0:e10d21debdaa | 43 | /** |
| samux | 0:e10d21debdaa | 44 | * Defines |
| samux | 0:e10d21debdaa | 45 | */ |
| samux | 0:e10d21debdaa | 46 | //Registers. |
| samux | 0:e10d21debdaa | 47 | #define ADXL345_DEVID_REG 0x00 |
| samux | 0:e10d21debdaa | 48 | #define ADXL345_THRESH_TAP_REG 0x1D |
| samux | 0:e10d21debdaa | 49 | #define ADXL345_OFSX_REG 0x1E |
| samux | 0:e10d21debdaa | 50 | #define ADXL345_OFSY_REG 0x1F |
| samux | 0:e10d21debdaa | 51 | #define ADXL345_OFSZ_REG 0x20 |
| samux | 0:e10d21debdaa | 52 | #define ADXL345_DUR_REG 0x21 |
| samux | 0:e10d21debdaa | 53 | #define ADXL345_LATENT_REG 0x22 |
| samux | 0:e10d21debdaa | 54 | #define ADXL345_WINDOW_REG 0x23 |
| samux | 0:e10d21debdaa | 55 | #define ADXL345_THRESH_ACT_REG 0x24 |
| samux | 0:e10d21debdaa | 56 | #define ADXL345_THRESH_INACT_REG 0x25 |
| samux | 0:e10d21debdaa | 57 | #define ADXL345_TIME_INACT_REG 0x26 |
| samux | 0:e10d21debdaa | 58 | #define ADXL345_ACT_INACT_CTL_REG 0x27 |
| samux | 0:e10d21debdaa | 59 | #define ADXL345_THRESH_FF_REG 0x28 |
| samux | 0:e10d21debdaa | 60 | #define ADXL345_TIME_FF_REG 0x29 |
| samux | 0:e10d21debdaa | 61 | #define ADXL345_TAP_AXES_REG 0x2A |
| samux | 0:e10d21debdaa | 62 | #define ADXL345_ACT_TAP_STATUS_REG 0x2B |
| samux | 0:e10d21debdaa | 63 | #define ADXL345_BW_RATE_REG 0x2C |
| samux | 0:e10d21debdaa | 64 | #define ADXL345_POWER_CTL_REG 0x2D |
| samux | 0:e10d21debdaa | 65 | #define ADXL345_INT_ENABLE_REG 0x2E |
| samux | 0:e10d21debdaa | 66 | #define ADXL345_INT_MAP_REG 0x2F |
| samux | 0:e10d21debdaa | 67 | #define ADXL345_INT_SOURCE_REG 0x30 |
| samux | 0:e10d21debdaa | 68 | #define ADXL345_DATA_FORMAT_REG 0x31 |
| samux | 0:e10d21debdaa | 69 | #define ADXL345_DATAX0_REG 0x32 |
| samux | 0:e10d21debdaa | 70 | #define ADXL345_DATAX1_REG 0x33 |
| samux | 0:e10d21debdaa | 71 | #define ADXL345_DATAY0_REG 0x34 |
| samux | 0:e10d21debdaa | 72 | #define ADXL345_DATAY1_REG 0x35 |
| samux | 0:e10d21debdaa | 73 | #define ADXL345_DATAZ0_REG 0x36 |
| samux | 0:e10d21debdaa | 74 | #define ADXL345_DATAZ1_REG 0x37 |
| samux | 0:e10d21debdaa | 75 | #define ADXL345_FIFO_CTL 0x38 |
| samux | 0:e10d21debdaa | 76 | #define ADXL345_FIFO_STATUS 0x39 |
| samux | 0:e10d21debdaa | 77 | |
| samux | 0:e10d21debdaa | 78 | //Data rate codes. |
| samux | 0:e10d21debdaa | 79 | #define ADXL345_3200HZ 0x0F |
| samux | 0:e10d21debdaa | 80 | #define ADXL345_1600HZ 0x0E |
| samux | 0:e10d21debdaa | 81 | #define ADXL345_800HZ 0x0D |
| samux | 0:e10d21debdaa | 82 | #define ADXL345_400HZ 0x0C |
| samux | 0:e10d21debdaa | 83 | #define ADXL345_200HZ 0x0B |
| samux | 0:e10d21debdaa | 84 | #define ADXL345_100HZ 0x0A |
| samux | 0:e10d21debdaa | 85 | #define ADXL345_50HZ 0x09 |
| samux | 0:e10d21debdaa | 86 | #define ADXL345_25HZ 0x08 |
| samux | 0:e10d21debdaa | 87 | #define ADXL345_12HZ5 0x07 |
| samux | 0:e10d21debdaa | 88 | #define ADXL345_6HZ25 0x06 |
| samux | 0:e10d21debdaa | 89 | |
| samux | 0:e10d21debdaa | 90 | #define ADXL345_SPI_READ 0x80 |
| samux | 0:e10d21debdaa | 91 | #define ADXL345_SPI_WRITE 0x00 |
| samux | 0:e10d21debdaa | 92 | #define ADXL345_MULTI_BYTE 0x60 |
| samux | 0:e10d21debdaa | 93 | |
| samux | 0:e10d21debdaa | 94 | #define ADXL345_X 0x00 |
| samux | 0:e10d21debdaa | 95 | #define ADXL345_Y 0x01 |
| samux | 0:e10d21debdaa | 96 | #define ADXL345_Z 0x02 |
| samux | 0:e10d21debdaa | 97 | |
| samux | 0:e10d21debdaa | 98 | /** |
| samux | 0:e10d21debdaa | 99 | * ADXL345 triple axis, digital interface, accelerometer. |
| samux | 0:e10d21debdaa | 100 | */ |
| samux | 0:e10d21debdaa | 101 | class ADXL345 { |
| samux | 0:e10d21debdaa | 102 | |
| samux | 0:e10d21debdaa | 103 | public: |
| samux | 0:e10d21debdaa | 104 | |
| samux | 0:e10d21debdaa | 105 | /** |
| samux | 0:e10d21debdaa | 106 | * Constructor. |
| samux | 0:e10d21debdaa | 107 | * |
| samux | 0:e10d21debdaa | 108 | * @param mosi mbed pin to use for MOSI line of SPI interface. |
| samux | 0:e10d21debdaa | 109 | * @param miso mbed pin to use for MISO line of SPI interface. |
| samux | 0:e10d21debdaa | 110 | * @param sck mbed pin to use for SCK line of SPI interface. |
| samux | 0:e10d21debdaa | 111 | * @param cs mbed pin to use for not chip select line of SPI interface. |
| samux | 0:e10d21debdaa | 112 | */ |
| samux | 0:e10d21debdaa | 113 | ADXL345(PinName mosi, PinName miso, PinName sck, PinName cs); |
| samux | 0:e10d21debdaa | 114 | |
| samux | 0:e10d21debdaa | 115 | /** |
| samux | 0:e10d21debdaa | 116 | * Read the device ID register on the device. |
| samux | 0:e10d21debdaa | 117 | * |
| samux | 0:e10d21debdaa | 118 | * @return The device ID code [0xE5] |
| samux | 0:e10d21debdaa | 119 | */ |
| samux | 0:e10d21debdaa | 120 | int getDevId(void); |
| samux | 0:e10d21debdaa | 121 | |
| samux | 0:e10d21debdaa | 122 | /** |
| samux | 0:e10d21debdaa | 123 | * Read the tap threshold on the device. |
| samux | 0:e10d21debdaa | 124 | * |
| samux | 0:e10d21debdaa | 125 | * @return The tap threshold as an 8-bit number with a scale factor of |
| samux | 0:e10d21debdaa | 126 | * 62.5mg/LSB. |
| samux | 0:e10d21debdaa | 127 | */ |
| samux | 0:e10d21debdaa | 128 | int getTapThreshold(void); |
| samux | 0:e10d21debdaa | 129 | |
| samux | 0:e10d21debdaa | 130 | /** |
| samux | 0:e10d21debdaa | 131 | * Set the tap threshold. |
| samux | 0:e10d21debdaa | 132 | * |
| samux | 0:e10d21debdaa | 133 | * @param The tap threshold as an 8-bit number with a scale factor of |
| samux | 0:e10d21debdaa | 134 | * 62.5mg/LSB. |
| samux | 0:e10d21debdaa | 135 | */ |
| samux | 0:e10d21debdaa | 136 | void setTapThreshold(int threshold); |
| samux | 0:e10d21debdaa | 137 | |
| samux | 0:e10d21debdaa | 138 | /** |
| samux | 0:e10d21debdaa | 139 | * Get the current offset for a particular axis. |
| samux | 0:e10d21debdaa | 140 | * |
| samux | 0:e10d21debdaa | 141 | * @param axis 0x00 -> X-axis |
| samux | 0:e10d21debdaa | 142 | * 0x01 -> Y-axis |
| samux | 0:e10d21debdaa | 143 | * 0x02 -> Z-axis |
| samux | 0:e10d21debdaa | 144 | * @return The current offset as an 8-bit 2's complement number with scale |
| samux | 0:e10d21debdaa | 145 | * factor 15.6mg/LSB. |
| samux | 0:e10d21debdaa | 146 | */ |
| samux | 0:e10d21debdaa | 147 | int getOffset(int axis); |
| samux | 0:e10d21debdaa | 148 | |
| samux | 0:e10d21debdaa | 149 | /** |
| samux | 0:e10d21debdaa | 150 | * Set the offset for a particular axis. |
| samux | 0:e10d21debdaa | 151 | * |
| samux | 0:e10d21debdaa | 152 | * @param axis 0x00 -> X-axis |
| samux | 0:e10d21debdaa | 153 | * 0x01 -> Y-axis |
| samux | 0:e10d21debdaa | 154 | * 0x02 -> Z-axis |
| samux | 0:e10d21debdaa | 155 | * @param offset The offset as an 8-bit 2's complement number with scale |
| samux | 0:e10d21debdaa | 156 | * factor 15.6mg/LSB. |
| samux | 0:e10d21debdaa | 157 | */ |
| samux | 0:e10d21debdaa | 158 | void setOffset(int axis, char offset); |
| samux | 0:e10d21debdaa | 159 | |
| samux | 0:e10d21debdaa | 160 | /** |
| samux | 0:e10d21debdaa | 161 | * Get the tap duration required to trigger an event. |
| samux | 0:e10d21debdaa | 162 | * |
| samux | 0:e10d21debdaa | 163 | * @return The max time that an event must be above the tap threshold to |
| samux | 0:e10d21debdaa | 164 | * qualify as a tap event, in microseconds. |
| samux | 0:e10d21debdaa | 165 | */ |
| samux | 0:e10d21debdaa | 166 | int getTapDuration(void); |
| samux | 0:e10d21debdaa | 167 | |
| samux | 0:e10d21debdaa | 168 | /** |
| samux | 0:e10d21debdaa | 169 | * Set the tap duration required to trigger an event. |
| samux | 0:e10d21debdaa | 170 | * |
| samux | 0:e10d21debdaa | 171 | * @param duration_us The max time that an event must be above the tap |
| samux | 0:e10d21debdaa | 172 | * threshold to qualify as a tap event, in microseconds. |
| samux | 0:e10d21debdaa | 173 | * Time will be normalized by the scale factor which is |
| samux | 0:e10d21debdaa | 174 | * 625us/LSB. A value of 0 disables the single/double |
| samux | 0:e10d21debdaa | 175 | * tap functions. |
| samux | 0:e10d21debdaa | 176 | */ |
| samux | 0:e10d21debdaa | 177 | void setTapDuration(int duration_us); |
| samux | 0:e10d21debdaa | 178 | |
| samux | 0:e10d21debdaa | 179 | /** |
| samux | 0:e10d21debdaa | 180 | * Get the tap latency between the detection of a tap and the time window. |
| samux | 0:e10d21debdaa | 181 | * |
| samux | 0:e10d21debdaa | 182 | * @return The wait time from the detection of a tap event to the start of |
| samux | 0:e10d21debdaa | 183 | * the time window during which a possible second tap event can be |
| samux | 0:e10d21debdaa | 184 | * detected in milliseconds. |
| samux | 0:e10d21debdaa | 185 | */ |
| samux | 0:e10d21debdaa | 186 | float getTapLatency(void); |
| samux | 0:e10d21debdaa | 187 | |
| samux | 0:e10d21debdaa | 188 | /** |
| samux | 0:e10d21debdaa | 189 | * Set the tap latency between the detection of a tap and the time window. |
| samux | 0:e10d21debdaa | 190 | * |
| samux | 0:e10d21debdaa | 191 | * @param latency_ms The wait time from the detection of a tap event to the |
| samux | 0:e10d21debdaa | 192 | * start of the time window during which a possible |
| samux | 0:e10d21debdaa | 193 | * second tap event can be detected in milliseconds. |
| samux | 0:e10d21debdaa | 194 | * A value of 0 disables the double tap function. |
| samux | 0:e10d21debdaa | 195 | */ |
| samux | 0:e10d21debdaa | 196 | void setTapLatency(int latency_ms); |
| samux | 0:e10d21debdaa | 197 | |
| samux | 0:e10d21debdaa | 198 | /** |
| samux | 0:e10d21debdaa | 199 | * Get the time of window between tap latency and a double tap. |
| samux | 0:e10d21debdaa | 200 | * |
| samux | 0:e10d21debdaa | 201 | * @return The amount of time after the expiration of the latency time |
| samux | 0:e10d21debdaa | 202 | * during which a second valid tap can begin, in milliseconds. |
| samux | 0:e10d21debdaa | 203 | */ |
| samux | 0:e10d21debdaa | 204 | float getWindowTime(void); |
| samux | 0:e10d21debdaa | 205 | |
| samux | 0:e10d21debdaa | 206 | /** |
| samux | 0:e10d21debdaa | 207 | * Set the time of the window between tap latency and a double tap. |
| samux | 0:e10d21debdaa | 208 | * |
| samux | 0:e10d21debdaa | 209 | * @param window_ms The amount of time after the expiration of the latency |
| samux | 0:e10d21debdaa | 210 | * time during which a second valid tap can begin, |
| samux | 0:e10d21debdaa | 211 | * in milliseconds. |
| samux | 0:e10d21debdaa | 212 | */ |
| samux | 0:e10d21debdaa | 213 | void setWindowTime(int window_ms); |
| samux | 0:e10d21debdaa | 214 | |
| samux | 0:e10d21debdaa | 215 | /** |
| samux | 0:e10d21debdaa | 216 | * Get the threshold value for detecting activity. |
| samux | 0:e10d21debdaa | 217 | * |
| samux | 0:e10d21debdaa | 218 | * @return The threshold value for detecting activity as an 8-bit number. |
| samux | 0:e10d21debdaa | 219 | * Scale factor is 62.5mg/LSB. |
| samux | 0:e10d21debdaa | 220 | */ |
| samux | 0:e10d21debdaa | 221 | int getActivityThreshold(void); |
| samux | 0:e10d21debdaa | 222 | |
| samux | 0:e10d21debdaa | 223 | /** |
| samux | 0:e10d21debdaa | 224 | * Set the threshold value for detecting activity. |
| samux | 0:e10d21debdaa | 225 | * |
| samux | 0:e10d21debdaa | 226 | * @param threshold The threshold value for detecting activity as an 8-bit |
| samux | 0:e10d21debdaa | 227 | * number. Scale factor is 62.5mg/LSB. A value of 0 may |
| samux | 0:e10d21debdaa | 228 | * result in undesirable behavior if the activity |
| samux | 0:e10d21debdaa | 229 | * interrupt is enabled. |
| samux | 0:e10d21debdaa | 230 | */ |
| samux | 0:e10d21debdaa | 231 | void setActivityThreshold(int threshold); |
| samux | 0:e10d21debdaa | 232 | |
| samux | 0:e10d21debdaa | 233 | /** |
| samux | 0:e10d21debdaa | 234 | * Get the threshold value for detecting inactivity. |
| samux | 0:e10d21debdaa | 235 | * |
| samux | 0:e10d21debdaa | 236 | * @return The threshold value for detecting inactivity as an 8-bit number. |
| samux | 0:e10d21debdaa | 237 | * Scale factor is 62.5mg/LSB. |
| samux | 0:e10d21debdaa | 238 | */ |
| samux | 0:e10d21debdaa | 239 | int getInactivityThreshold(void); |
| samux | 0:e10d21debdaa | 240 | |
| samux | 0:e10d21debdaa | 241 | /** |
| samux | 0:e10d21debdaa | 242 | * Set the threshold value for detecting inactivity. |
| samux | 0:e10d21debdaa | 243 | * |
| samux | 0:e10d21debdaa | 244 | * @param threshold The threshold value for detecting inactivity as an |
| samux | 0:e10d21debdaa | 245 | * 8-bit number. Scale factor is 62.5mg/LSB. |
| samux | 0:e10d21debdaa | 246 | */ |
| samux | 0:e10d21debdaa | 247 | void setInactivityThreshold(int threshold); |
| samux | 0:e10d21debdaa | 248 | |
| samux | 0:e10d21debdaa | 249 | /** |
| samux | 0:e10d21debdaa | 250 | * Get the time required for inactivity to be declared. |
| samux | 0:e10d21debdaa | 251 | * |
| samux | 0:e10d21debdaa | 252 | * @return The amount of time that acceleration must be less than the |
| samux | 0:e10d21debdaa | 253 | * inactivity threshold for inactivity to be declared, in |
| samux | 0:e10d21debdaa | 254 | * seconds. |
| samux | 0:e10d21debdaa | 255 | */ |
| samux | 0:e10d21debdaa | 256 | int getTimeInactivity(void); |
| samux | 0:e10d21debdaa | 257 | |
| samux | 0:e10d21debdaa | 258 | /** |
| samux | 0:e10d21debdaa | 259 | * Set the time required for inactivity to be declared. |
| samux | 0:e10d21debdaa | 260 | * |
| samux | 0:e10d21debdaa | 261 | * @param inactivity The amount of time that acceleration must be less than |
| samux | 0:e10d21debdaa | 262 | * the inactivity threshold for inactivity to be |
| samux | 0:e10d21debdaa | 263 | * declared, in seconds. A value of 0 results in an |
| samux | 0:e10d21debdaa | 264 | * interrupt when the output data is less than the |
| samux | 0:e10d21debdaa | 265 | * threshold inactivity. |
| samux | 0:e10d21debdaa | 266 | */ |
| samux | 0:e10d21debdaa | 267 | void setTimeInactivity(int timeInactivity); |
| samux | 0:e10d21debdaa | 268 | |
| samux | 0:e10d21debdaa | 269 | /** |
| samux | 0:e10d21debdaa | 270 | * Get the activity/inactivity control settings. |
| samux | 0:e10d21debdaa | 271 | * |
| samux | 0:e10d21debdaa | 272 | * D7 D6 D5 D4 |
| samux | 0:e10d21debdaa | 273 | * +-----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 274 | * | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable | |
| samux | 0:e10d21debdaa | 275 | * +-----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 276 | * |
| samux | 0:e10d21debdaa | 277 | * D3 D2 D1 D0 |
| samux | 0:e10d21debdaa | 278 | * +-------------+----------------+----------------+----------------+ |
| samux | 0:e10d21debdaa | 279 | * | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable | |
| samux | 0:e10d21debdaa | 280 | * +-------------+----------------+----------------+----------------+ |
| samux | 0:e10d21debdaa | 281 | * |
| samux | 0:e10d21debdaa | 282 | * See datasheet for details. |
| samux | 0:e10d21debdaa | 283 | * |
| samux | 0:e10d21debdaa | 284 | * @return The contents of the ACT_INACT_CTL register. |
| samux | 0:e10d21debdaa | 285 | */ |
| samux | 0:e10d21debdaa | 286 | int getActivityInactivityControl(void); |
| samux | 0:e10d21debdaa | 287 | |
| samux | 0:e10d21debdaa | 288 | /** |
| samux | 0:e10d21debdaa | 289 | * Set the activity/inactivity control settings. |
| samux | 0:e10d21debdaa | 290 | * |
| samux | 0:e10d21debdaa | 291 | * D7 D6 D5 D4 |
| samux | 0:e10d21debdaa | 292 | * +-----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 293 | * | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable | |
| samux | 0:e10d21debdaa | 294 | * +-----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 295 | * |
| samux | 0:e10d21debdaa | 296 | * D3 D2 D1 D0 |
| samux | 0:e10d21debdaa | 297 | * +-------------+----------------+----------------+----------------+ |
| samux | 0:e10d21debdaa | 298 | * | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable | |
| samux | 0:e10d21debdaa | 299 | * +-------------+----------------+----------------+----------------+ |
| samux | 0:e10d21debdaa | 300 | * |
| samux | 0:e10d21debdaa | 301 | * See datasheet for details. |
| samux | 0:e10d21debdaa | 302 | * |
| samux | 0:e10d21debdaa | 303 | * @param settings The control byte to write to the ACT_INACT_CTL register. |
| samux | 0:e10d21debdaa | 304 | */ |
| samux | 0:e10d21debdaa | 305 | void setActivityInactivityControl(int settings); |
| samux | 0:e10d21debdaa | 306 | |
| samux | 0:e10d21debdaa | 307 | /** |
| samux | 0:e10d21debdaa | 308 | * Get the threshold for free fall detection. |
| samux | 0:e10d21debdaa | 309 | * |
| samux | 0:e10d21debdaa | 310 | * @return The threshold value for free-fall detection, as an 8-bit number, |
| samux | 0:e10d21debdaa | 311 | * with scale factor 62.5mg/LSB. |
| samux | 0:e10d21debdaa | 312 | */ |
| samux | 0:e10d21debdaa | 313 | int getFreefallThreshold(void); |
| samux | 0:e10d21debdaa | 314 | |
| samux | 0:e10d21debdaa | 315 | /** |
| samux | 0:e10d21debdaa | 316 | * Set the threshold for free fall detection. |
| samux | 0:e10d21debdaa | 317 | * |
| samux | 0:e10d21debdaa | 318 | * @return The threshold value for free-fall detection, as an 8-bit number, |
| samux | 0:e10d21debdaa | 319 | * with scale factor 62.5mg/LSB. A value of 0 may result in |
| samux | 0:e10d21debdaa | 320 | * undesirable behavior if the free-fall interrupt is enabled. |
| samux | 0:e10d21debdaa | 321 | * Values between 300 mg and 600 mg (0x05 to 0x09) are recommended. |
| samux | 0:e10d21debdaa | 322 | */ |
| samux | 0:e10d21debdaa | 323 | void setFreefallThreshold(int threshold); |
| samux | 0:e10d21debdaa | 324 | |
| samux | 0:e10d21debdaa | 325 | /** |
| samux | 0:e10d21debdaa | 326 | * Get the time required to generate a free fall interrupt. |
| samux | 0:e10d21debdaa | 327 | * |
| samux | 0:e10d21debdaa | 328 | * @return The minimum time that the value of all axes must be less than |
| samux | 0:e10d21debdaa | 329 | * the freefall threshold to generate a free-fall interrupt, in |
| samux | 0:e10d21debdaa | 330 | * milliseconds. |
| samux | 0:e10d21debdaa | 331 | */ |
| samux | 0:e10d21debdaa | 332 | int getFreefallTime(void); |
| samux | 0:e10d21debdaa | 333 | |
| samux | 0:e10d21debdaa | 334 | /** |
| samux | 0:e10d21debdaa | 335 | * Set the time required to generate a free fall interrupt. |
| samux | 0:e10d21debdaa | 336 | * |
| samux | 0:e10d21debdaa | 337 | * @return The minimum time that the value of all axes must be less than |
| samux | 0:e10d21debdaa | 338 | * the freefall threshold to generate a free-fall interrupt, in |
| samux | 0:e10d21debdaa | 339 | * milliseconds. A value of 0 may result in undesirable behavior |
| samux | 0:e10d21debdaa | 340 | * if the free-fall interrupt is enabled. Values between 100 ms |
| samux | 0:e10d21debdaa | 341 | * and 350 ms (0x14 to 0x46) are recommended. |
| samux | 0:e10d21debdaa | 342 | */ |
| samux | 0:e10d21debdaa | 343 | void setFreefallTime(int freefallTime_ms); |
| samux | 0:e10d21debdaa | 344 | |
| samux | 0:e10d21debdaa | 345 | /** |
| samux | 0:e10d21debdaa | 346 | * Get the axis tap settings. |
| samux | 0:e10d21debdaa | 347 | * |
| samux | 0:e10d21debdaa | 348 | * D3 D2 D1 D0 |
| samux | 0:e10d21debdaa | 349 | * +----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 350 | * | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable | |
| samux | 0:e10d21debdaa | 351 | * +----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 352 | * |
| samux | 0:e10d21debdaa | 353 | * (D7-D4 are 0s). |
| samux | 0:e10d21debdaa | 354 | * |
| samux | 0:e10d21debdaa | 355 | * See datasheet for more details. |
| samux | 0:e10d21debdaa | 356 | * |
| samux | 0:e10d21debdaa | 357 | * @return The contents of the TAP_AXES register. |
| samux | 0:e10d21debdaa | 358 | */ |
| samux | 0:e10d21debdaa | 359 | int getTapAxisControl(void); |
| samux | 0:e10d21debdaa | 360 | |
| samux | 0:e10d21debdaa | 361 | /** |
| samux | 0:e10d21debdaa | 362 | * Set the axis tap settings. |
| samux | 0:e10d21debdaa | 363 | * |
| samux | 0:e10d21debdaa | 364 | * D3 D2 D1 D0 |
| samux | 0:e10d21debdaa | 365 | * +----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 366 | * | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable | |
| samux | 0:e10d21debdaa | 367 | * +----------+--------------+--------------+--------------+ |
| samux | 0:e10d21debdaa | 368 | * |
| samux | 0:e10d21debdaa | 369 | * (D7-D4 are 0s). |
| samux | 0:e10d21debdaa | 370 | * |
| samux | 0:e10d21debdaa | 371 | * See datasheet for more details. |
| samux | 0:e10d21debdaa | 372 | * |
| samux | 0:e10d21debdaa | 373 | * @param The control byte to write to the TAP_AXES register. |
| samux | 0:e10d21debdaa | 374 | */ |
| samux | 0:e10d21debdaa | 375 | void setTapAxisControl(int settings); |
| samux | 0:e10d21debdaa | 376 | |
| samux | 0:e10d21debdaa | 377 | /** |
| samux | 0:e10d21debdaa | 378 | * Get the source of a tap. |
| samux | 0:e10d21debdaa | 379 | * |
| samux | 0:e10d21debdaa | 380 | * @return The contents of the ACT_TAP_STATUS register. |
| samux | 0:e10d21debdaa | 381 | */ |
| samux | 0:e10d21debdaa | 382 | int getTapSource(void); |
| samux | 0:e10d21debdaa | 383 | |
| samux | 0:e10d21debdaa | 384 | /** |
| samux | 0:e10d21debdaa | 385 | * Set the power mode. |
| samux | 0:e10d21debdaa | 386 | * |
| samux | 0:e10d21debdaa | 387 | * @param mode 0 -> Normal operation. |
| samux | 0:e10d21debdaa | 388 | * 1 -> Reduced power operation. |
| samux | 0:e10d21debdaa | 389 | */ |
| samux | 0:e10d21debdaa | 390 | void setPowerMode(char mode); |
| samux | 0:e10d21debdaa | 391 | |
| samux | 0:e10d21debdaa | 392 | /** |
| samux | 0:e10d21debdaa | 393 | * Set the data rate. |
| samux | 0:e10d21debdaa | 394 | * |
| samux | 0:e10d21debdaa | 395 | * @param rate The rate code (see #defines or datasheet). |
| samux | 0:e10d21debdaa | 396 | */ |
| samux | 0:e10d21debdaa | 397 | void setDataRate(int rate); |
| samux | 0:e10d21debdaa | 398 | |
| samux | 0:e10d21debdaa | 399 | /** |
| samux | 0:e10d21debdaa | 400 | * Get the power control settings. |
| samux | 0:e10d21debdaa | 401 | * |
| samux | 0:e10d21debdaa | 402 | * See datasheet for details. |
| samux | 0:e10d21debdaa | 403 | * |
| samux | 0:e10d21debdaa | 404 | * @return The contents of the POWER_CTL register. |
| samux | 0:e10d21debdaa | 405 | */ |
| samux | 0:e10d21debdaa | 406 | int getPowerControl(void); |
| samux | 0:e10d21debdaa | 407 | |
| samux | 0:e10d21debdaa | 408 | /** |
| samux | 0:e10d21debdaa | 409 | * Set the power control settings. |
| samux | 0:e10d21debdaa | 410 | * |
| samux | 0:e10d21debdaa | 411 | * See datasheet for details. |
| samux | 0:e10d21debdaa | 412 | * |
| samux | 0:e10d21debdaa | 413 | * @param The control byte to write to the POWER_CTL register. |
| samux | 0:e10d21debdaa | 414 | */ |
| samux | 0:e10d21debdaa | 415 | void setPowerControl(int settings); |
| samux | 0:e10d21debdaa | 416 | |
| samux | 0:e10d21debdaa | 417 | /** |
| samux | 0:e10d21debdaa | 418 | * Get the interrupt enable settings. |
| samux | 0:e10d21debdaa | 419 | * |
| samux | 0:e10d21debdaa | 420 | * @return The contents of the INT_ENABLE register. |
| samux | 0:e10d21debdaa | 421 | */ |
| samux | 0:e10d21debdaa | 422 | int getInterruptEnableControl(void); |
| samux | 0:e10d21debdaa | 423 | |
| samux | 0:e10d21debdaa | 424 | /** |
| samux | 0:e10d21debdaa | 425 | * Set the interrupt enable settings. |
| samux | 0:e10d21debdaa | 426 | * |
| samux | 0:e10d21debdaa | 427 | * @param settings The control byte to write to the INT_ENABLE register. |
| samux | 0:e10d21debdaa | 428 | */ |
| samux | 0:e10d21debdaa | 429 | void setInterruptEnableControl(int settings); |
| samux | 0:e10d21debdaa | 430 | |
| samux | 0:e10d21debdaa | 431 | /** |
| samux | 0:e10d21debdaa | 432 | * Get the interrupt mapping settings. |
| samux | 0:e10d21debdaa | 433 | * |
| samux | 0:e10d21debdaa | 434 | * @return The contents of the INT_MAP register. |
| samux | 0:e10d21debdaa | 435 | */ |
| samux | 0:e10d21debdaa | 436 | int getInterruptMappingControl(void); |
| samux | 0:e10d21debdaa | 437 | |
| samux | 0:e10d21debdaa | 438 | /** |
| samux | 0:e10d21debdaa | 439 | * Set the interrupt mapping settings. |
| samux | 0:e10d21debdaa | 440 | * |
| samux | 0:e10d21debdaa | 441 | * @param settings The control byte to write to the INT_MAP register. |
| samux | 0:e10d21debdaa | 442 | */ |
| samux | 0:e10d21debdaa | 443 | void setInterruptMappingControl(int settings); |
| samux | 0:e10d21debdaa | 444 | |
| samux | 0:e10d21debdaa | 445 | /** |
| samux | 0:e10d21debdaa | 446 | * Get the interrupt source. |
| samux | 0:e10d21debdaa | 447 | * |
| samux | 0:e10d21debdaa | 448 | * @return The contents of the INT_SOURCE register. |
| samux | 0:e10d21debdaa | 449 | */ |
| samux | 0:e10d21debdaa | 450 | int getInterruptSource(void); |
| samux | 0:e10d21debdaa | 451 | |
| samux | 0:e10d21debdaa | 452 | /** |
| samux | 0:e10d21debdaa | 453 | * Get the data format settings. |
| samux | 0:e10d21debdaa | 454 | * |
| samux | 0:e10d21debdaa | 455 | * @return The contents of the DATA_FORMAT register. |
| samux | 0:e10d21debdaa | 456 | */ |
| samux | 0:e10d21debdaa | 457 | int getDataFormatControl(void); |
| samux | 0:e10d21debdaa | 458 | |
| samux | 0:e10d21debdaa | 459 | /** |
| samux | 0:e10d21debdaa | 460 | * Set the data format settings. |
| samux | 0:e10d21debdaa | 461 | * |
| samux | 0:e10d21debdaa | 462 | * @param settings The control byte to write to the DATA_FORMAT register. |
| samux | 0:e10d21debdaa | 463 | */ |
| samux | 0:e10d21debdaa | 464 | void setDataFormatControl(int settings); |
| samux | 0:e10d21debdaa | 465 | |
| samux | 0:e10d21debdaa | 466 | /** |
| samux | 0:e10d21debdaa | 467 | * Get the output of all three axes. |
| samux | 0:e10d21debdaa | 468 | * |
| samux | 0:e10d21debdaa | 469 | * @param Pointer to a buffer to hold the accelerometer value for the |
| samux | 0:e10d21debdaa | 470 | * x-axis, y-axis and z-axis [in that order]. |
| samux | 0:e10d21debdaa | 471 | */ |
| samux | 0:e10d21debdaa | 472 | void getOutput(int* readings); |
| samux | 0:e10d21debdaa | 473 | |
| samux | 0:e10d21debdaa | 474 | /** |
| samux | 0:e10d21debdaa | 475 | * Get the FIFO control settings. |
| samux | 0:e10d21debdaa | 476 | * |
| samux | 0:e10d21debdaa | 477 | * @return The contents of the FIFO_CTL register. |
| samux | 0:e10d21debdaa | 478 | */ |
| samux | 0:e10d21debdaa | 479 | int getFifoControl(void); |
| samux | 0:e10d21debdaa | 480 | |
| samux | 0:e10d21debdaa | 481 | /** |
| samux | 0:e10d21debdaa | 482 | * Set the FIFO control settings. |
| samux | 0:e10d21debdaa | 483 | * |
| samux | 0:e10d21debdaa | 484 | * @param The control byte to write to the FIFO_CTL register. |
| samux | 0:e10d21debdaa | 485 | */ |
| samux | 0:e10d21debdaa | 486 | void setFifoControl(int settings); |
| samux | 0:e10d21debdaa | 487 | |
| samux | 0:e10d21debdaa | 488 | /** |
| samux | 0:e10d21debdaa | 489 | * Get FIFO status. |
| samux | 0:e10d21debdaa | 490 | * |
| samux | 0:e10d21debdaa | 491 | * @return The contents of the FIFO_STATUS register. |
| samux | 0:e10d21debdaa | 492 | */ |
| samux | 0:e10d21debdaa | 493 | int getFifoStatus(void); |
| samux | 0:e10d21debdaa | 494 | |
| samux | 0:e10d21debdaa | 495 | private: |
| samux | 0:e10d21debdaa | 496 | |
| samux | 0:e10d21debdaa | 497 | SPI spi_; |
| samux | 0:e10d21debdaa | 498 | DigitalOut nCS_; |
| samux | 0:e10d21debdaa | 499 | |
| samux | 0:e10d21debdaa | 500 | /** |
| samux | 0:e10d21debdaa | 501 | * Read one byte from a register on the device. |
| samux | 0:e10d21debdaa | 502 | * |
| samux | 0:e10d21debdaa | 503 | * @param address Address of the register to read. |
| samux | 0:e10d21debdaa | 504 | * |
| samux | 0:e10d21debdaa | 505 | * @return The contents of the register address. |
| samux | 0:e10d21debdaa | 506 | */ |
| samux | 0:e10d21debdaa | 507 | int oneByteRead(int address); |
| samux | 0:e10d21debdaa | 508 | |
| samux | 0:e10d21debdaa | 509 | /** |
| samux | 0:e10d21debdaa | 510 | * Write one byte to a register on the device. |
| samux | 0:e10d21debdaa | 511 | * |
| samux | 0:e10d21debdaa | 512 | * @param address Address of the register to write to. |
| samux | 0:e10d21debdaa | 513 | * @param data The data to write into the register. |
| samux | 0:e10d21debdaa | 514 | */ |
| samux | 0:e10d21debdaa | 515 | void oneByteWrite(int address, char data); |
| samux | 0:e10d21debdaa | 516 | |
| samux | 0:e10d21debdaa | 517 | /** |
| samux | 0:e10d21debdaa | 518 | * Read several consecutive bytes on the device. |
| samux | 0:e10d21debdaa | 519 | * |
| samux | 0:e10d21debdaa | 520 | * @param startAddress The address of the first register to read from. |
| samux | 0:e10d21debdaa | 521 | * @param buffer Pointer to a buffer to store data read from the device. |
| samux | 0:e10d21debdaa | 522 | * @param size The number of bytes to read. |
| samux | 0:e10d21debdaa | 523 | */ |
| samux | 0:e10d21debdaa | 524 | void multiByteRead(int startAddress, char* buffer, int size); |
| samux | 0:e10d21debdaa | 525 | |
| samux | 0:e10d21debdaa | 526 | /** |
| samux | 0:e10d21debdaa | 527 | * Write several consecutive bytes on the device. |
| samux | 0:e10d21debdaa | 528 | * |
| samux | 0:e10d21debdaa | 529 | * @param startAddress The address of the first register to write to. |
| samux | 0:e10d21debdaa | 530 | * @param buffer Pointer to a buffer which contains the data to write. |
| samux | 0:e10d21debdaa | 531 | * @param size The number of bytes to write. |
| samux | 0:e10d21debdaa | 532 | */ |
| samux | 0:e10d21debdaa | 533 | void multiByteWrite(int startAddress, char* buffer, int size); |
| samux | 0:e10d21debdaa | 534 | |
| samux | 0:e10d21debdaa | 535 | }; |
| samux | 0:e10d21debdaa | 536 | |
| samux | 0:e10d21debdaa | 537 | #endif /* ADXL345_H */ |