virtualmech / Mbed 2 deprecated vmConfort_v6

Esta versión v6 pasa a ser el nuevo master. Funciona correctamente

Dependencies:   ADXL345 Display1602 MSCFileSystem SDFileSystem mbed FATFileSystem

ADXL345/ADXL345.cpp@2:cc4a43d806e2, 2014-06-06 (annotated)

Committer:
JuanManuelAmador
Date:
Fri Jun 06 08:52:28 2014 +0000
Revision:
2:cc4a43d806e2
Parent:
0:a5367bd4e404 
Correci?n del baudrate de 112500 a 115200

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jjmedina 0:a5367bd4e404 1 /**
jjmedina 0:a5367bd4e404 2 * @author Aaron Berk
jjmedina 0:a5367bd4e404 3 *
jjmedina 0:a5367bd4e404 4 * @section LICENSE
jjmedina 0:a5367bd4e404 5 *
jjmedina 0:a5367bd4e404 6 * Copyright (c) 2010 ARM Limited
jjmedina 0:a5367bd4e404 7 *
jjmedina 0:a5367bd4e404 8 * Permission is hereby granted, free of charge, to any person obtaining a copy
jjmedina 0:a5367bd4e404 9 * of this software and associated documentation files (the "Software"), to deal
jjmedina 0:a5367bd4e404 10 * in the Software without restriction, including without limitation the rights
jjmedina 0:a5367bd4e404 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jjmedina 0:a5367bd4e404 12 * copies of the Software, and to permit persons to whom the Software is
jjmedina 0:a5367bd4e404 13 * furnished to do so, subject to the following conditions:
jjmedina 0:a5367bd4e404 14 *
jjmedina 0:a5367bd4e404 15 * The above copyright notice and this permission notice shall be included in
jjmedina 0:a5367bd4e404 16 * all copies or substantial portions of the Software.
jjmedina 0:a5367bd4e404 17 *
jjmedina 0:a5367bd4e404 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jjmedina 0:a5367bd4e404 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jjmedina 0:a5367bd4e404 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jjmedina 0:a5367bd4e404 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jjmedina 0:a5367bd4e404 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jjmedina 0:a5367bd4e404 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jjmedina 0:a5367bd4e404 24 * THE SOFTWARE.
jjmedina 0:a5367bd4e404 25 *
jjmedina 0:a5367bd4e404 26 * @section DESCRIPTION
jjmedina 0:a5367bd4e404 27 *
jjmedina 0:a5367bd4e404 28 * ADXL345, triple axis, digital interface, accelerometer.
jjmedina 0:a5367bd4e404 29 *
jjmedina 0:a5367bd4e404 30 * Datasheet:
jjmedina 0:a5367bd4e404 31 *
jjmedina 0:a5367bd4e404 32 * http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf
jjmedina 0:a5367bd4e404 33 */
jjmedina 0:a5367bd4e404 34
jjmedina 0:a5367bd4e404 35 /**
jjmedina 0:a5367bd4e404 36 * Includes
jjmedina 0:a5367bd4e404 37 */
jjmedina 0:a5367bd4e404 38 #include "ADXL345.h"
jjmedina 0:a5367bd4e404 39
jjmedina 0:a5367bd4e404 40 ADXL345::ADXL345(PinName mosi,
jjmedina 0:a5367bd4e404 41 PinName miso,
jjmedina 0:a5367bd4e404 42 PinName sck,
jjmedina 0:a5367bd4e404 43 PinName cs) : spi_(mosi, miso, sck), nCS_(cs) {
jjmedina 0:a5367bd4e404 44
jjmedina 0:a5367bd4e404 45 //1.5MHz, allowing us to use the fastest data rates without problems with the FIFO (must be less than 1.6MHz)
jjmedina 0:a5367bd4e404 46 spi_.frequency(1500000);
jjmedina 0:a5367bd4e404 47 spi_.format(8,3);
jjmedina 0:a5367bd4e404 48
jjmedina 0:a5367bd4e404 49 nCS_ = 1;
jjmedina 0:a5367bd4e404 50
jjmedina 0:a5367bd4e404 51 wait_us(500);
jjmedina 0:a5367bd4e404 52
jjmedina 0:a5367bd4e404 53 }
jjmedina 0:a5367bd4e404 54
jjmedina 0:a5367bd4e404 55 int ADXL345::getDevId(void) {
jjmedina 0:a5367bd4e404 56
jjmedina 0:a5367bd4e404 57 return oneByteRead(ADXL345_DEVID_REG);
jjmedina 0:a5367bd4e404 58
jjmedina 0:a5367bd4e404 59 }
jjmedina 0:a5367bd4e404 60
jjmedina 0:a5367bd4e404 61 int ADXL345::getTapThreshold(void) {
jjmedina 0:a5367bd4e404 62
jjmedina 0:a5367bd4e404 63 return oneByteRead(ADXL345_THRESH_TAP_REG);
jjmedina 0:a5367bd4e404 64
jjmedina 0:a5367bd4e404 65 }
jjmedina 0:a5367bd4e404 66
jjmedina 0:a5367bd4e404 67 void ADXL345::setTapThreshold(int threshold) {
jjmedina 0:a5367bd4e404 68
jjmedina 0:a5367bd4e404 69 oneByteWrite(ADXL345_THRESH_TAP_REG, threshold);
jjmedina 0:a5367bd4e404 70
jjmedina 0:a5367bd4e404 71 }
jjmedina 0:a5367bd4e404 72
jjmedina 0:a5367bd4e404 73 int ADXL345::getOffset(int axis) {
jjmedina 0:a5367bd4e404 74
jjmedina 0:a5367bd4e404 75 int address = 0;
jjmedina 0:a5367bd4e404 76
jjmedina 0:a5367bd4e404 77 if (axis == ADXL345_X) {
jjmedina 0:a5367bd4e404 78 address = ADXL345_OFSX_REG;
jjmedina 0:a5367bd4e404 79 } else if (axis == ADXL345_Y) {
jjmedina 0:a5367bd4e404 80 address = ADXL345_OFSY_REG;
jjmedina 0:a5367bd4e404 81 } else if (axis == ADXL345_Z) {
jjmedina 0:a5367bd4e404 82 address = ADXL345_OFSZ_REG;
jjmedina 0:a5367bd4e404 83 }
jjmedina 0:a5367bd4e404 84
jjmedina 0:a5367bd4e404 85 return oneByteRead(address);
jjmedina 0:a5367bd4e404 86
jjmedina 0:a5367bd4e404 87 }
jjmedina 0:a5367bd4e404 88
jjmedina 0:a5367bd4e404 89 void ADXL345::setOffset(int axis, char offset) {
jjmedina 0:a5367bd4e404 90
jjmedina 0:a5367bd4e404 91 int address = 0;
jjmedina 0:a5367bd4e404 92
jjmedina 0:a5367bd4e404 93 if (axis == ADXL345_X) {
jjmedina 0:a5367bd4e404 94 address = ADXL345_OFSX_REG;
jjmedina 0:a5367bd4e404 95 } else if (axis == ADXL345_Y) {
jjmedina 0:a5367bd4e404 96 address = ADXL345_OFSY_REG;
jjmedina 0:a5367bd4e404 97 } else if (axis == ADXL345_Z) {
jjmedina 0:a5367bd4e404 98 address = ADXL345_OFSZ_REG;
jjmedina 0:a5367bd4e404 99 }
jjmedina 0:a5367bd4e404 100
jjmedina 0:a5367bd4e404 101 return oneByteWrite(address, offset);
jjmedina 0:a5367bd4e404 102
jjmedina 0:a5367bd4e404 103 }
jjmedina 0:a5367bd4e404 104
jjmedina 0:a5367bd4e404 105 int ADXL345::getTapDuration(void) {
jjmedina 0:a5367bd4e404 106
jjmedina 0:a5367bd4e404 107 return oneByteRead(ADXL345_DUR_REG)*625;
jjmedina 0:a5367bd4e404 108
jjmedina 0:a5367bd4e404 109 }
jjmedina 0:a5367bd4e404 110
jjmedina 0:a5367bd4e404 111 void ADXL345::setTapDuration(int duration_us) {
jjmedina 0:a5367bd4e404 112
jjmedina 0:a5367bd4e404 113 int tapDuration = duration_us / 625;
jjmedina 0:a5367bd4e404 114
jjmedina 0:a5367bd4e404 115 oneByteWrite(ADXL345_DUR_REG, tapDuration);
jjmedina 0:a5367bd4e404 116
jjmedina 0:a5367bd4e404 117 }
jjmedina 0:a5367bd4e404 118
jjmedina 0:a5367bd4e404 119 float ADXL345::getTapLatency(void) {
jjmedina 0:a5367bd4e404 120
jjmedina 0:a5367bd4e404 121 return oneByteRead(ADXL345_LATENT_REG)*1.25;
jjmedina 0:a5367bd4e404 122
jjmedina 0:a5367bd4e404 123 }
jjmedina 0:a5367bd4e404 124
jjmedina 0:a5367bd4e404 125 void ADXL345::setTapLatency(int latency_ms) {
jjmedina 0:a5367bd4e404 126
jjmedina 0:a5367bd4e404 127 int tapLatency = latency_ms / 1.25;
jjmedina 0:a5367bd4e404 128
jjmedina 0:a5367bd4e404 129 oneByteWrite(ADXL345_LATENT_REG, tapLatency);
jjmedina 0:a5367bd4e404 130
jjmedina 0:a5367bd4e404 131 }
jjmedina 0:a5367bd4e404 132
jjmedina 0:a5367bd4e404 133 float ADXL345::getWindowTime(void) {
jjmedina 0:a5367bd4e404 134
jjmedina 0:a5367bd4e404 135 return oneByteRead(ADXL345_WINDOW_REG)*1.25;
jjmedina 0:a5367bd4e404 136
jjmedina 0:a5367bd4e404 137 }
jjmedina 0:a5367bd4e404 138
jjmedina 0:a5367bd4e404 139 void ADXL345::setWindowTime(int window_ms) {
jjmedina 0:a5367bd4e404 140
jjmedina 0:a5367bd4e404 141 int windowTime = window_ms / 1.25;
jjmedina 0:a5367bd4e404 142
jjmedina 0:a5367bd4e404 143 oneByteWrite(ADXL345_WINDOW_REG, windowTime);
jjmedina 0:a5367bd4e404 144
jjmedina 0:a5367bd4e404 145 }
jjmedina 0:a5367bd4e404 146
jjmedina 0:a5367bd4e404 147 int ADXL345::getActivityThreshold(void) {
jjmedina 0:a5367bd4e404 148
jjmedina 0:a5367bd4e404 149 return oneByteRead(ADXL345_THRESH_ACT_REG);
jjmedina 0:a5367bd4e404 150
jjmedina 0:a5367bd4e404 151 }
jjmedina 0:a5367bd4e404 152
jjmedina 0:a5367bd4e404 153 void ADXL345::setActivityThreshold(int threshold) {
jjmedina 0:a5367bd4e404 154
jjmedina 0:a5367bd4e404 155 oneByteWrite(ADXL345_THRESH_ACT_REG, threshold);
jjmedina 0:a5367bd4e404 156
jjmedina 0:a5367bd4e404 157 }
jjmedina 0:a5367bd4e404 158
jjmedina 0:a5367bd4e404 159 int ADXL345::getInactivityThreshold(void) {
jjmedina 0:a5367bd4e404 160
jjmedina 0:a5367bd4e404 161 return oneByteRead(ADXL345_THRESH_INACT_REG);
jjmedina 0:a5367bd4e404 162
jjmedina 0:a5367bd4e404 163 }
jjmedina 0:a5367bd4e404 164
jjmedina 0:a5367bd4e404 165 void ADXL345::setInactivityThreshold(int threshold) {
jjmedina 0:a5367bd4e404 166
jjmedina 0:a5367bd4e404 167 return oneByteWrite(ADXL345_THRESH_INACT_REG, threshold);
jjmedina 0:a5367bd4e404 168
jjmedina 0:a5367bd4e404 169 }
jjmedina 0:a5367bd4e404 170
jjmedina 0:a5367bd4e404 171 int ADXL345::getTimeInactivity(void) {
jjmedina 0:a5367bd4e404 172
jjmedina 0:a5367bd4e404 173 return oneByteRead(ADXL345_TIME_INACT_REG);
jjmedina 0:a5367bd4e404 174
jjmedina 0:a5367bd4e404 175 }
jjmedina 0:a5367bd4e404 176
jjmedina 0:a5367bd4e404 177 void ADXL345::setTimeInactivity(int timeInactivity) {
jjmedina 0:a5367bd4e404 178
jjmedina 0:a5367bd4e404 179 oneByteWrite(ADXL345_TIME_INACT_REG, timeInactivity);
jjmedina 0:a5367bd4e404 180
jjmedina 0:a5367bd4e404 181 }
jjmedina 0:a5367bd4e404 182
jjmedina 0:a5367bd4e404 183 int ADXL345::getActivityInactivityControl(void) {
jjmedina 0:a5367bd4e404 184
jjmedina 0:a5367bd4e404 185 return oneByteRead(ADXL345_ACT_INACT_CTL_REG);
jjmedina 0:a5367bd4e404 186
jjmedina 0:a5367bd4e404 187 }
jjmedina 0:a5367bd4e404 188
jjmedina 0:a5367bd4e404 189 void ADXL345::setActivityInactivityControl(int settings) {
jjmedina 0:a5367bd4e404 190
jjmedina 0:a5367bd4e404 191 oneByteWrite(ADXL345_ACT_INACT_CTL_REG, settings);
jjmedina 0:a5367bd4e404 192
jjmedina 0:a5367bd4e404 193 }
jjmedina 0:a5367bd4e404 194
jjmedina 0:a5367bd4e404 195 int ADXL345::getFreefallThreshold(void) {
jjmedina 0:a5367bd4e404 196
jjmedina 0:a5367bd4e404 197 return oneByteRead(ADXL345_THRESH_FF_REG);
jjmedina 0:a5367bd4e404 198
jjmedina 0:a5367bd4e404 199 }
jjmedina 0:a5367bd4e404 200
jjmedina 0:a5367bd4e404 201 void ADXL345::setFreefallThreshold(int threshold) {
jjmedina 0:a5367bd4e404 202
jjmedina 0:a5367bd4e404 203 oneByteWrite(ADXL345_THRESH_FF_REG, threshold);
jjmedina 0:a5367bd4e404 204
jjmedina 0:a5367bd4e404 205 }
jjmedina 0:a5367bd4e404 206
jjmedina 0:a5367bd4e404 207 int ADXL345::getFreefallTime(void) {
jjmedina 0:a5367bd4e404 208
jjmedina 0:a5367bd4e404 209 return oneByteRead(ADXL345_TIME_FF_REG)*5;
jjmedina 0:a5367bd4e404 210
jjmedina 0:a5367bd4e404 211 }
jjmedina 0:a5367bd4e404 212
jjmedina 0:a5367bd4e404 213 void ADXL345::setFreefallTime(int freefallTime_ms) {
jjmedina 0:a5367bd4e404 214
jjmedina 0:a5367bd4e404 215 int freefallTime = freefallTime_ms / 5;
jjmedina 0:a5367bd4e404 216
jjmedina 0:a5367bd4e404 217 oneByteWrite(ADXL345_TIME_FF_REG, freefallTime);
jjmedina 0:a5367bd4e404 218
jjmedina 0:a5367bd4e404 219 }
jjmedina 0:a5367bd4e404 220
jjmedina 0:a5367bd4e404 221 int ADXL345::getTapAxisControl(void) {
jjmedina 0:a5367bd4e404 222
jjmedina 0:a5367bd4e404 223 return oneByteRead(ADXL345_TAP_AXES_REG);
jjmedina 0:a5367bd4e404 224
jjmedina 0:a5367bd4e404 225 }
jjmedina 0:a5367bd4e404 226
jjmedina 0:a5367bd4e404 227 void ADXL345::setTapAxisControl(int settings) {
jjmedina 0:a5367bd4e404 228
jjmedina 0:a5367bd4e404 229 oneByteWrite(ADXL345_TAP_AXES_REG, settings);
jjmedina 0:a5367bd4e404 230
jjmedina 0:a5367bd4e404 231 }
jjmedina 0:a5367bd4e404 232
jjmedina 0:a5367bd4e404 233 int ADXL345::getTapSource(void) {
jjmedina 0:a5367bd4e404 234
jjmedina 0:a5367bd4e404 235 return oneByteRead(ADXL345_ACT_TAP_STATUS_REG);
jjmedina 0:a5367bd4e404 236
jjmedina 0:a5367bd4e404 237 }
jjmedina 0:a5367bd4e404 238
jjmedina 0:a5367bd4e404 239 void ADXL345::setPowerMode(char mode) {
jjmedina 0:a5367bd4e404 240
jjmedina 0:a5367bd4e404 241 //Get the current register contents, so we don't clobber the rate value.
jjmedina 0:a5367bd4e404 242 char registerContents = oneByteRead(ADXL345_BW_RATE_REG);
jjmedina 0:a5367bd4e404 243
jjmedina 0:a5367bd4e404 244 registerContents = (mode << 4) | registerContents;
jjmedina 0:a5367bd4e404 245
jjmedina 0:a5367bd4e404 246 oneByteWrite(ADXL345_BW_RATE_REG, registerContents);
jjmedina 0:a5367bd4e404 247
jjmedina 0:a5367bd4e404 248 }
jjmedina 0:a5367bd4e404 249
jjmedina 0:a5367bd4e404 250 int ADXL345::getPowerControl(void) {
jjmedina 0:a5367bd4e404 251
jjmedina 0:a5367bd4e404 252 return oneByteRead(ADXL345_POWER_CTL_REG);
jjmedina 0:a5367bd4e404 253
jjmedina 0:a5367bd4e404 254 }
jjmedina 0:a5367bd4e404 255
jjmedina 0:a5367bd4e404 256 void ADXL345::setPowerControl(int settings) {
jjmedina 0:a5367bd4e404 257
jjmedina 0:a5367bd4e404 258 oneByteWrite(ADXL345_POWER_CTL_REG, settings);
jjmedina 0:a5367bd4e404 259
jjmedina 0:a5367bd4e404 260 }
jjmedina 0:a5367bd4e404 261
jjmedina 0:a5367bd4e404 262 int ADXL345::getInterruptEnableControl(void) {
jjmedina 0:a5367bd4e404 263
jjmedina 0:a5367bd4e404 264 return oneByteRead(ADXL345_INT_ENABLE_REG);
jjmedina 0:a5367bd4e404 265
jjmedina 0:a5367bd4e404 266 }
jjmedina 0:a5367bd4e404 267
jjmedina 0:a5367bd4e404 268 void ADXL345::setInterruptEnableControl(int settings) {
jjmedina 0:a5367bd4e404 269
jjmedina 0:a5367bd4e404 270 oneByteWrite(ADXL345_INT_ENABLE_REG, settings);
jjmedina 0:a5367bd4e404 271
jjmedina 0:a5367bd4e404 272 }
jjmedina 0:a5367bd4e404 273
jjmedina 0:a5367bd4e404 274 int ADXL345::getInterruptMappingControl(void) {
jjmedina 0:a5367bd4e404 275
jjmedina 0:a5367bd4e404 276 return oneByteRead(ADXL345_INT_MAP_REG);
jjmedina 0:a5367bd4e404 277
jjmedina 0:a5367bd4e404 278 }
jjmedina 0:a5367bd4e404 279
jjmedina 0:a5367bd4e404 280 void ADXL345::setInterruptMappingControl(int settings) {
jjmedina 0:a5367bd4e404 281
jjmedina 0:a5367bd4e404 282 oneByteWrite(ADXL345_INT_MAP_REG, settings);
jjmedina 0:a5367bd4e404 283
jjmedina 0:a5367bd4e404 284 }
jjmedina 0:a5367bd4e404 285
jjmedina 0:a5367bd4e404 286 int ADXL345::getInterruptSource(void){
jjmedina 0:a5367bd4e404 287
jjmedina 0:a5367bd4e404 288 return oneByteRead(ADXL345_INT_SOURCE_REG);
jjmedina 0:a5367bd4e404 289
jjmedina 0:a5367bd4e404 290 }
jjmedina 0:a5367bd4e404 291
jjmedina 0:a5367bd4e404 292 int ADXL345::getDataFormatControl(void){
jjmedina 0:a5367bd4e404 293
jjmedina 0:a5367bd4e404 294 return oneByteRead(ADXL345_DATA_FORMAT_REG);
jjmedina 0:a5367bd4e404 295
jjmedina 0:a5367bd4e404 296 }
jjmedina 0:a5367bd4e404 297
jjmedina 0:a5367bd4e404 298 void ADXL345::setDataFormatControl(int settings){
jjmedina 0:a5367bd4e404 299
jjmedina 0:a5367bd4e404 300 oneByteWrite(ADXL345_DATA_FORMAT_REG, settings);
jjmedina 0:a5367bd4e404 301
jjmedina 0:a5367bd4e404 302 }
jjmedina 0:a5367bd4e404 303
jjmedina 0:a5367bd4e404 304 void ADXL345::setDataRate(int rate) {
jjmedina 0:a5367bd4e404 305
jjmedina 0:a5367bd4e404 306 //Get the current register contents, so we don't clobber the power bit.
jjmedina 0:a5367bd4e404 307 char registerContents = oneByteRead(ADXL345_BW_RATE_REG);
jjmedina 0:a5367bd4e404 308
jjmedina 0:a5367bd4e404 309 registerContents &= 0x10;
jjmedina 0:a5367bd4e404 310 registerContents |= rate;
jjmedina 0:a5367bd4e404 311
jjmedina 0:a5367bd4e404 312 oneByteWrite(ADXL345_BW_RATE_REG, registerContents);
jjmedina 0:a5367bd4e404 313
jjmedina 0:a5367bd4e404 314 }
jjmedina 0:a5367bd4e404 315
jjmedina 0:a5367bd4e404 316 int ADXL345::getAx(){
jjmedina 0:a5367bd4e404 317
jjmedina 0:a5367bd4e404 318 char buffer[2];
jjmedina 0:a5367bd4e404 319
jjmedina 0:a5367bd4e404 320 multiByteRead(ADXL345_DATAX0_REG, buffer, 2);
jjmedina 0:a5367bd4e404 321
jjmedina 0:a5367bd4e404 322 return ((int)buffer[1] << 8 | (int)buffer[0]);
jjmedina 0:a5367bd4e404 323 }
jjmedina 0:a5367bd4e404 324
jjmedina 0:a5367bd4e404 325
jjmedina 0:a5367bd4e404 326 int ADXL345::getAy(){
jjmedina 0:a5367bd4e404 327
jjmedina 0:a5367bd4e404 328 char buffer[2];
jjmedina 0:a5367bd4e404 329
jjmedina 0:a5367bd4e404 330 multiByteRead(ADXL345_DATAY0_REG, buffer, 2);
jjmedina 0:a5367bd4e404 331
jjmedina 0:a5367bd4e404 332 return ((int)buffer[1] << 8 | (int)buffer[0]);
jjmedina 0:a5367bd4e404 333 }
jjmedina 0:a5367bd4e404 334
jjmedina 0:a5367bd4e404 335 int ADXL345::getAz(){
jjmedina 0:a5367bd4e404 336
jjmedina 0:a5367bd4e404 337 char buffer[2];
jjmedina 0:a5367bd4e404 338
jjmedina 0:a5367bd4e404 339 multiByteRead(ADXL345_DATAZ0_REG, buffer, 2);
jjmedina 0:a5367bd4e404 340
jjmedina 0:a5367bd4e404 341 return ((int)buffer[1] << 8 | (int)buffer[0]);
jjmedina 0:a5367bd4e404 342 }
jjmedina 0:a5367bd4e404 343
jjmedina 0:a5367bd4e404 344
jjmedina 0:a5367bd4e404 345
jjmedina 0:a5367bd4e404 346 void ADXL345::getOutput(int* readings){
jjmedina 0:a5367bd4e404 347
jjmedina 0:a5367bd4e404 348 char buffer[6];
jjmedina 0:a5367bd4e404 349
jjmedina 0:a5367bd4e404 350 multiByteRead(ADXL345_DATAX0_REG, buffer, 6);
jjmedina 0:a5367bd4e404 351
jjmedina 0:a5367bd4e404 352 readings[0] = (int)buffer[1] << 8 | (int)buffer[0];
jjmedina 0:a5367bd4e404 353 readings[1] = (int)buffer[3] << 8 | (int)buffer[2];
jjmedina 0:a5367bd4e404 354 readings[2] = (int)buffer[5] << 8 | (int)buffer[4];
jjmedina 0:a5367bd4e404 355
jjmedina 0:a5367bd4e404 356 }
jjmedina 0:a5367bd4e404 357
jjmedina 0:a5367bd4e404 358 int ADXL345::getFifoControl(void){
jjmedina 0:a5367bd4e404 359
jjmedina 0:a5367bd4e404 360 return oneByteRead(ADXL345_FIFO_CTL);
jjmedina 0:a5367bd4e404 361
jjmedina 0:a5367bd4e404 362 }
jjmedina 0:a5367bd4e404 363
jjmedina 0:a5367bd4e404 364 void ADXL345::setFifoControl(int settings){
jjmedina 0:a5367bd4e404 365
jjmedina 0:a5367bd4e404 366 oneByteWrite(ADXL345_FIFO_CTL, settings);
jjmedina 0:a5367bd4e404 367
jjmedina 0:a5367bd4e404 368 }
jjmedina 0:a5367bd4e404 369
jjmedina 0:a5367bd4e404 370 int ADXL345::getFifoStatus(void){
jjmedina 0:a5367bd4e404 371
jjmedina 0:a5367bd4e404 372 return oneByteRead(ADXL345_FIFO_STATUS);
jjmedina 0:a5367bd4e404 373
jjmedina 0:a5367bd4e404 374 }
jjmedina 0:a5367bd4e404 375
jjmedina 0:a5367bd4e404 376 int ADXL345::oneByteRead(int address) {
jjmedina 0:a5367bd4e404 377
jjmedina 0:a5367bd4e404 378 int tx = (ADXL345_SPI_READ | (address & 0x3F));
jjmedina 0:a5367bd4e404 379 int rx = 0;
jjmedina 0:a5367bd4e404 380
jjmedina 0:a5367bd4e404 381 nCS_ = 0;
jjmedina 0:a5367bd4e404 382 //Send address to read from.
jjmedina 0:a5367bd4e404 383 spi_.write(tx);
jjmedina 0:a5367bd4e404 384 //Read back contents of address.
jjmedina 0:a5367bd4e404 385 rx = spi_.write(0x00);
jjmedina 0:a5367bd4e404 386 nCS_ = 1;
jjmedina 0:a5367bd4e404 387
jjmedina 0:a5367bd4e404 388 return rx;
jjmedina 0:a5367bd4e404 389
jjmedina 0:a5367bd4e404 390 }
jjmedina 0:a5367bd4e404 391
jjmedina 0:a5367bd4e404 392 void ADXL345::oneByteWrite(int address, char data) {
jjmedina 0:a5367bd4e404 393
jjmedina 0:a5367bd4e404 394 int tx = (ADXL345_SPI_WRITE | (address & 0x3F));
jjmedina 0:a5367bd4e404 395
jjmedina 0:a5367bd4e404 396 nCS_ = 0;
jjmedina 0:a5367bd4e404 397 //Send address to write to.
jjmedina 0:a5367bd4e404 398 spi_.write(tx);
jjmedina 0:a5367bd4e404 399 //Send data to be written.
jjmedina 0:a5367bd4e404 400 spi_.write(data);
jjmedina 0:a5367bd4e404 401 nCS_ = 1;
jjmedina 0:a5367bd4e404 402
jjmedina 0:a5367bd4e404 403 }
jjmedina 0:a5367bd4e404 404
jjmedina 0:a5367bd4e404 405 void ADXL345::multiByteRead(int startAddress, char* buffer, int size) {
jjmedina 0:a5367bd4e404 406
jjmedina 0:a5367bd4e404 407 int tx = (ADXL345_SPI_READ | ADXL345_MULTI_BYTE | (startAddress & 0x3F));
jjmedina 0:a5367bd4e404 408
jjmedina 0:a5367bd4e404 409 nCS_ = 0;
jjmedina 0:a5367bd4e404 410 //Send address to start reading from.
jjmedina 0:a5367bd4e404 411 spi_.write(tx);
jjmedina 0:a5367bd4e404 412
jjmedina 0:a5367bd4e404 413 for (int i = 0; i < size; i++) {
jjmedina 0:a5367bd4e404 414 buffer[i] = spi_.write(0x00);
jjmedina 0:a5367bd4e404 415 }
jjmedina 0:a5367bd4e404 416
jjmedina 0:a5367bd4e404 417 nCS_ = 1;
jjmedina 0:a5367bd4e404 418
jjmedina 0:a5367bd4e404 419 }
jjmedina 0:a5367bd4e404 420
jjmedina 0:a5367bd4e404 421 void ADXL345::multiByteWrite(int startAddress, char* buffer, int size) {
jjmedina 0:a5367bd4e404 422
jjmedina 0:a5367bd4e404 423 int tx = (ADXL345_SPI_WRITE | ADXL345_MULTI_BYTE | (startAddress & 0x3F));
jjmedina 0:a5367bd4e404 424
jjmedina 0:a5367bd4e404 425 nCS_ = 0;
jjmedina 0:a5367bd4e404 426 //Send address to start reading from.
jjmedina 0:a5367bd4e404 427 spi_.write(tx);
jjmedina 0:a5367bd4e404 428
jjmedina 0:a5367bd4e404 429 for (int i = 0; i < size; i++) {
jjmedina 0:a5367bd4e404 430 buffer[i] = spi_.write(0x00);
jjmedina 0:a5367bd4e404 431 }
jjmedina 0:a5367bd4e404 432
jjmedina 0:a5367bd4e404 433 nCS_ = 1;
jjmedina 0:a5367bd4e404 434
jjmedina 0:a5367bd4e404 435 }