Analog Devices / mbed-drivers

A collection of Analog Devices drivers for the mbed platform

For additional information check out the mbed page of the Analog Devices wiki: https://wiki.analog.com/resources/tools-software/mbed-drivers-all

libraries/adxl362/ADXL362.cpp@20:9790e53d6e26, 2016-05-17 (annotated)

Committer:
Adrian Suciu
Date:
Tue May 17 15:15:19 2016 +0300
Revision:
20:9790e53d6e26
Parent:
19:fb92949e59c9 
Refactoring and Doxygen tags

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Adrian Suciu 20:9790e53d6e26 1 /**
Adrian Suciu 20:9790e53d6e26 2 * @file ADXL362.cpp
Adrian Suciu 20:9790e53d6e26 3 * @brief Source file for ADXL362
Adrian Suciu 20:9790e53d6e26 4 * @author Analog Devices Inc.
Adrian Suciu 20:9790e53d6e26 5 *
Adrian Suciu 20:9790e53d6e26 6 * For support please go to:
Adrian Suciu 20:9790e53d6e26 7 * Github: https://github.com/analogdevicesinc/mbed-adi
Adrian Suciu 20:9790e53d6e26 8 * Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers
Adrian Suciu 20:9790e53d6e26 9 * Product: http://www.analog.com/adxl362
Adrian Suciu 20:9790e53d6e26 10 * More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all
Adrian Suciu 20:9790e53d6e26 11
Adrian Suciu 20:9790e53d6e26 12 ********************************************************************************
Adrian Suciu 20:9790e53d6e26 13 * Copyright 2016(c) Analog Devices, Inc.
Adrian Suciu 20:9790e53d6e26 14 *
Adrian Suciu 20:9790e53d6e26 15 * All rights reserved.
Adrian Suciu 20:9790e53d6e26 16 *
Adrian Suciu 20:9790e53d6e26 17 * Redistribution and use in source and binary forms, with or without
Adrian Suciu 20:9790e53d6e26 18 * modification, are permitted provided that the following conditions are met:
Adrian Suciu 20:9790e53d6e26 19 * - Redistributions of source code must retain the above copyright
Adrian Suciu 20:9790e53d6e26 20 * notice, this list of conditions and the following disclaimer.
Adrian Suciu 20:9790e53d6e26 21 * - Redistributions in binary form must reproduce the above copyright
Adrian Suciu 20:9790e53d6e26 22 * notice, this list of conditions and the following disclaimer in
Adrian Suciu 20:9790e53d6e26 23 * the documentation and/or other materials provided with the
Adrian Suciu 20:9790e53d6e26 24 * distribution.
Adrian Suciu 20:9790e53d6e26 25 * - Neither the name of Analog Devices, Inc. nor the names of its
Adrian Suciu 20:9790e53d6e26 26 * contributors may be used to endorse or promote products derived
Adrian Suciu 20:9790e53d6e26 27 * from this software without specific prior written permission.
Adrian Suciu 20:9790e53d6e26 28 * - The use of this software may or may not infringe the patent rights
Adrian Suciu 20:9790e53d6e26 29 * of one or more patent holders. This license does not release you
Adrian Suciu 20:9790e53d6e26 30 * from the requirement that you obtain separate licenses from these
Adrian Suciu 20:9790e53d6e26 31 * patent holders to use this software.
Adrian Suciu 20:9790e53d6e26 32 * - Use of the software either in source or binary form, must be run
Adrian Suciu 20:9790e53d6e26 33 * on or directly connected to an Analog Devices Inc. component.
Adrian Suciu 20:9790e53d6e26 34 *
Adrian Suciu 20:9790e53d6e26 35 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
Adrian Suciu 20:9790e53d6e26 36 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
Adrian Suciu 20:9790e53d6e26 37 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Adrian Suciu 20:9790e53d6e26 38 * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
Adrian Suciu 20:9790e53d6e26 39 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Adrian Suciu 20:9790e53d6e26 40 * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
Adrian Suciu 20:9790e53d6e26 41 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Adrian Suciu 20:9790e53d6e26 42 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Adrian Suciu 20:9790e53d6e26 43 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Adrian Suciu 20:9790e53d6e26 44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Adrian Suciu 20:9790e53d6e26 45 *
Adrian Suciu 20:9790e53d6e26 46 ********************************************************************************/
Adrian Suciu 20:9790e53d6e26 47
Adrian Suciu 19:fb92949e59c9 48 #include <stdint.h>
Adrian Suciu 19:fb92949e59c9 49 #include "mbed.h"
Adrian Suciu 19:fb92949e59c9 50 #include "ADXL362.h"
Adrian Suciu 19:fb92949e59c9 51
Adrian Suciu 20:9790e53d6e26 52 /**
Adrian Suciu 20:9790e53d6e26 53 * ADXL362 constructor. Sets CS and SPI bus
Adrian Suciu 20:9790e53d6e26 54 * @param CS - CS pin of the ADXL362
Adrian Suciu 20:9790e53d6e26 55 * @param MOSI - MOSI pin of the ADXL362
Adrian Suciu 20:9790e53d6e26 56 * @param MISO - MISO pin of the ADXL362
Adrian Suciu 20:9790e53d6e26 57 * @param SCK- SCK pin of the ADXL362
Adrian Suciu 20:9790e53d6e26 58 */
Adrian Suciu 19:fb92949e59c9 59 ADXL362::ADXL362(PinName CS, PinName MOSI, PinName MISO, PinName SCK) :
Adrian Suciu 20:9790e53d6e26 60 adxl362(MOSI, MISO, SCK), cs(CS), _int1(NULL), _int2(NULL), _int1_poll(NC), _int2_poll(
Adrian Suciu 19:fb92949e59c9 61 NC)
Adrian Suciu 19:fb92949e59c9 62 {
Adrian Suciu 19:fb92949e59c9 63 cs = true; // cs is active low
Adrian Suciu 19:fb92949e59c9 64 adxl362.format(8, _SPI_MODE);
Adrian Suciu 20:9790e53d6e26 65 _temp_stored_in_fifo = false;
Adrian Suciu 20:9790e53d6e26 66 _int1_act_low = true;
Adrian Suciu 20:9790e53d6e26 67 _int2_act_low = true;
Adrian Suciu 19:fb92949e59c9 68 }
Adrian Suciu 19:fb92949e59c9 69
Adrian Suciu 20:9790e53d6e26 70 /**
Adrian Suciu 20:9790e53d6e26 71 * Sets ADXL362 SPI bus frequency
Adrian Suciu 20:9790e53d6e26 72 * @param hz - frequency in hz
Adrian Suciu 20:9790e53d6e26 73 */
Adrian Suciu 19:fb92949e59c9 74 void ADXL362::frequency(int hz)
Adrian Suciu 19:fb92949e59c9 75 {
Adrian Suciu 19:fb92949e59c9 76 adxl362.frequency(hz);
Adrian Suciu 19:fb92949e59c9 77 }
Adrian Suciu 19:fb92949e59c9 78
Adrian Suciu 20:9790e53d6e26 79 /**
Adrian Suciu 20:9790e53d6e26 80 * Resets the ADXL362
Adrian Suciu 20:9790e53d6e26 81 * A latency of approximately 0.5 ms is required after soft reset.
Adrian Suciu 20:9790e53d6e26 82 */
Adrian Suciu 19:fb92949e59c9 83 void ADXL362::reset()
Adrian Suciu 19:fb92949e59c9 84 {
Adrian Suciu 19:fb92949e59c9 85 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 86 cs = false;
Adrian Suciu 19:fb92949e59c9 87 // Writing Code 0x52 (representing the letter, R, in ASCII or unicode) to this register immediately resets the ADXL362.
Adrian Suciu 19:fb92949e59c9 88 write_reg(SOFT_RESET, 0x52);
Adrian Suciu 19:fb92949e59c9 89 cs = true;
Adrian Suciu 20:9790e53d6e26 90
Adrian Suciu 19:fb92949e59c9 91 }
Adrian Suciu 19:fb92949e59c9 92
Adrian Suciu 20:9790e53d6e26 93 /**
Adrian Suciu 20:9790e53d6e26 94 * Writes the reg register with data
Adrian Suciu 20:9790e53d6e26 95 * @param reg - ADXL362_register_t register to be written
Adrian Suciu 20:9790e53d6e26 96 * @param data - data to be written
Adrian Suciu 20:9790e53d6e26 97 */
Adrian Suciu 19:fb92949e59c9 98 void ADXL362::write_reg(ADXL362_register_t reg, uint8_t data)
Adrian Suciu 19:fb92949e59c9 99 {
Adrian Suciu 19:fb92949e59c9 100 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 101 cs = false;
Adrian Suciu 20:9790e53d6e26 102 adxl362.write(_WRITE_REG_CMD);
Adrian Suciu 19:fb92949e59c9 103 adxl362.write(static_cast<uint8_t>(reg));
Adrian Suciu 19:fb92949e59c9 104 adxl362.write(static_cast<uint8_t>(data));
Adrian Suciu 19:fb92949e59c9 105 cs = true;
Adrian Suciu 19:fb92949e59c9 106 }
Adrian Suciu 19:fb92949e59c9 107
Adrian Suciu 20:9790e53d6e26 108 /**
Adrian Suciu 20:9790e53d6e26 109 * Reads the reg register
Adrian Suciu 20:9790e53d6e26 110 * @param reg - ADXL362_register_t register to be read
Adrian Suciu 20:9790e53d6e26 111 * @return - data read from the register
Adrian Suciu 20:9790e53d6e26 112 */
Adrian Suciu 19:fb92949e59c9 113 uint8_t ADXL362::read_reg(ADXL362_register_t reg)
Adrian Suciu 19:fb92949e59c9 114 {
Adrian Suciu 19:fb92949e59c9 115 uint8_t ret_val;
Adrian Suciu 19:fb92949e59c9 116 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 117 cs = false;
Adrian Suciu 20:9790e53d6e26 118 adxl362.write(_READ_REG_CMD);
Adrian Suciu 19:fb92949e59c9 119 adxl362.write(static_cast<uint8_t>(reg));
Adrian Suciu 20:9790e53d6e26 120 ret_val = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 19:fb92949e59c9 121 cs = true;
Adrian Suciu 19:fb92949e59c9 122 return ret_val;
Adrian Suciu 19:fb92949e59c9 123 }
Adrian Suciu 19:fb92949e59c9 124
Adrian Suciu 20:9790e53d6e26 125 /**
Adrian Suciu 20:9790e53d6e26 126 * Writes 16 bit registers to the ADXL362. Performs conversion from Intel to Motorola byte order
Adrian Suciu 20:9790e53d6e26 127 * @param reg - ADXL362_register_t register to be written
Adrian Suciu 20:9790e53d6e26 128 * @param data - data to be written
Adrian Suciu 20:9790e53d6e26 129 */
Adrian Suciu 19:fb92949e59c9 130 void ADXL362::write_reg_u16(ADXL362_register_t reg, uint16_t data)
Adrian Suciu 19:fb92949e59c9 131 {
Adrian Suciu 19:fb92949e59c9 132 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 133
Adrian Suciu 19:fb92949e59c9 134 cs = false;
Adrian Suciu 20:9790e53d6e26 135 adxl362.write(_WRITE_REG_CMD);
Adrian Suciu 19:fb92949e59c9 136 adxl362.write(static_cast<uint8_t>(reg));
Adrian Suciu 19:fb92949e59c9 137 adxl362.write(static_cast<uint8_t>(data & 0xff));
Adrian Suciu 19:fb92949e59c9 138 adxl362.write(static_cast<uint8_t>((data & 0xff00) >> 8));
Adrian Suciu 19:fb92949e59c9 139
Adrian Suciu 19:fb92949e59c9 140 cs = true;
Adrian Suciu 19:fb92949e59c9 141 }
Adrian Suciu 20:9790e53d6e26 142
Adrian Suciu 20:9790e53d6e26 143 /**
Adrian Suciu 20:9790e53d6e26 144 * Reads 16 bit registers from the ADXL362. Performs conversion from Motorola to Intel Byte order
Adrian Suciu 20:9790e53d6e26 145 * @param reg - ADXL362_register_t register to be read
Adrian Suciu 20:9790e53d6e26 146 * @return - data read from the ADXL362
Adrian Suciu 20:9790e53d6e26 147 */
Adrian Suciu 19:fb92949e59c9 148 uint16_t ADXL362::read_reg_u16(ADXL362_register_t reg)
Adrian Suciu 19:fb92949e59c9 149 {
Adrian Suciu 19:fb92949e59c9 150 uint16_t ret_val = 0;
Adrian Suciu 19:fb92949e59c9 151 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 152
Adrian Suciu 19:fb92949e59c9 153 cs = false;
Adrian Suciu 20:9790e53d6e26 154 adxl362.write(_READ_REG_CMD);
Adrian Suciu 19:fb92949e59c9 155 adxl362.write(static_cast<uint8_t>(reg));
Adrian Suciu 20:9790e53d6e26 156 ret_val = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 20:9790e53d6e26 157 ret_val = ret_val | (adxl362.write(_DUMMY_BYTE) << 8);
Adrian Suciu 19:fb92949e59c9 158 cs = true;
Adrian Suciu 19:fb92949e59c9 159
Adrian Suciu 19:fb92949e59c9 160 return ret_val;
Adrian Suciu 19:fb92949e59c9 161 }
Adrian Suciu 19:fb92949e59c9 162
Adrian Suciu 20:9790e53d6e26 163 /**
Adrian Suciu 20:9790e53d6e26 164 * Scans the X,Y,Z,T registers for data.
Adrian Suciu 20:9790e53d6e26 165 * ADXL362 needs to be in measurement mode to read data
Adrian Suciu 20:9790e53d6e26 166 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 167 * @return a 64 bit integer with the following format 0xXXYYZZTT
Adrian Suciu 20:9790e53d6e26 168 */
Adrian Suciu 19:fb92949e59c9 169 uint64_t ADXL362::scan()
Adrian Suciu 19:fb92949e59c9 170 {
Adrian Suciu 19:fb92949e59c9 171 uint64_t ret_val = 0;
Adrian Suciu 19:fb92949e59c9 172 uint16_t x, y, z, t = 0;
Adrian Suciu 19:fb92949e59c9 173
Adrian Suciu 19:fb92949e59c9 174 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 175 cs = false;
Adrian Suciu 20:9790e53d6e26 176 adxl362.write(_READ_REG_CMD);
Adrian Suciu 19:fb92949e59c9 177 adxl362.write(static_cast<uint8_t>(XDATA_L));
Adrian Suciu 19:fb92949e59c9 178
Adrian Suciu 20:9790e53d6e26 179 x = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 20:9790e53d6e26 180 x = x | static_cast<uint16_t>(adxl362.write(_DUMMY_BYTE) << 8);
Adrian Suciu 20:9790e53d6e26 181 y = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 20:9790e53d6e26 182 y = y | static_cast<uint16_t>(adxl362.write(_DUMMY_BYTE) << 8);
Adrian Suciu 20:9790e53d6e26 183 z = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 20:9790e53d6e26 184 z = z | static_cast<uint16_t>(adxl362.write(_DUMMY_BYTE) << 8);
Adrian Suciu 20:9790e53d6e26 185 t = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 20:9790e53d6e26 186 t = t | static_cast<uint16_t>(adxl362.write(_DUMMY_BYTE) << 8);
Adrian Suciu 20:9790e53d6e26 187
Adrian Suciu 19:fb92949e59c9 188 ret_val = static_cast<uint64_t>(x) << 48;
Adrian Suciu 19:fb92949e59c9 189 ret_val |= static_cast<uint64_t>(y) << 32;
Adrian Suciu 19:fb92949e59c9 190 ret_val |= static_cast<uint64_t>(z) << 16;
Adrian Suciu 19:fb92949e59c9 191 ret_val |= static_cast<uint64_t>(t);
Adrian Suciu 19:fb92949e59c9 192 cs = true;
Adrian Suciu 19:fb92949e59c9 193 return ret_val;
Adrian Suciu 19:fb92949e59c9 194 }
Adrian Suciu 19:fb92949e59c9 195
Adrian Suciu 20:9790e53d6e26 196 /**
Adrian Suciu 20:9790e53d6e26 197 * Reads the X 8 bit register from the ADXL362
Adrian Suciu 20:9790e53d6e26 198 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 199 * @return 8 bit X data
Adrian Suciu 20:9790e53d6e26 200 */
Adrian Suciu 19:fb92949e59c9 201 uint8_t ADXL362::scanx_u8()
Adrian Suciu 19:fb92949e59c9 202 {
Adrian Suciu 19:fb92949e59c9 203 return read_reg(XDATA);
Adrian Suciu 19:fb92949e59c9 204 }
Adrian Suciu 20:9790e53d6e26 205
Adrian Suciu 20:9790e53d6e26 206 /**
Adrian Suciu 20:9790e53d6e26 207 * Reads the X 16 bit register from the ADXL362
Adrian Suciu 20:9790e53d6e26 208 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 209 * @return 16 bit X data
Adrian Suciu 20:9790e53d6e26 210 */
Adrian Suciu 19:fb92949e59c9 211 uint16_t ADXL362::scanx()
Adrian Suciu 19:fb92949e59c9 212 {
Adrian Suciu 19:fb92949e59c9 213 return read_reg_u16(XDATA_L);
Adrian Suciu 19:fb92949e59c9 214 }
Adrian Suciu 20:9790e53d6e26 215
Adrian Suciu 20:9790e53d6e26 216 /**
Adrian Suciu 20:9790e53d6e26 217 * Reads the Y 8 bit register from the ADXL362
Adrian Suciu 20:9790e53d6e26 218 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 219 * @return 8 bit Y data
Adrian Suciu 20:9790e53d6e26 220 */
Adrian Suciu 19:fb92949e59c9 221 uint8_t ADXL362::scany_u8()
Adrian Suciu 19:fb92949e59c9 222 {
Adrian Suciu 19:fb92949e59c9 223 return read_reg(YDATA);
Adrian Suciu 19:fb92949e59c9 224 }
Adrian Suciu 19:fb92949e59c9 225
Adrian Suciu 20:9790e53d6e26 226 /**
Adrian Suciu 20:9790e53d6e26 227 * Reads the Y 16 bit register from the ADXL362
Adrian Suciu 20:9790e53d6e26 228 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 229 * @return 16 bit Y data
Adrian Suciu 20:9790e53d6e26 230 */
Adrian Suciu 19:fb92949e59c9 231 uint16_t ADXL362::scany()
Adrian Suciu 19:fb92949e59c9 232 {
Adrian Suciu 19:fb92949e59c9 233 return read_reg_u16(YDATA_L);
Adrian Suciu 19:fb92949e59c9 234 }
Adrian Suciu 20:9790e53d6e26 235
Adrian Suciu 20:9790e53d6e26 236 /**
Adrian Suciu 20:9790e53d6e26 237 * Reads the Z 8 bit register from the ADXL362
Adrian Suciu 20:9790e53d6e26 238 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 239 * @return 8 bit Z data
Adrian Suciu 20:9790e53d6e26 240 */
Adrian Suciu 19:fb92949e59c9 241 uint8_t ADXL362::scanz_u8()
Adrian Suciu 19:fb92949e59c9 242 {
Adrian Suciu 19:fb92949e59c9 243 return read_reg(ZDATA);
Adrian Suciu 19:fb92949e59c9 244 }
Adrian Suciu 19:fb92949e59c9 245
Adrian Suciu 20:9790e53d6e26 246 /**
Adrian Suciu 20:9790e53d6e26 247 * Reads the Z 16 bit register from the ADXL362
Adrian Suciu 20:9790e53d6e26 248 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 249 * @return 16 bit Z data
Adrian Suciu 20:9790e53d6e26 250 */
Adrian Suciu 19:fb92949e59c9 251 uint16_t ADXL362::scanz()
Adrian Suciu 19:fb92949e59c9 252 {
Adrian Suciu 19:fb92949e59c9 253 return read_reg_u16(ZDATA_L);
Adrian Suciu 19:fb92949e59c9 254 }
Adrian Suciu 20:9790e53d6e26 255
Adrian Suciu 20:9790e53d6e26 256 /**
Adrian Suciu 20:9790e53d6e26 257 * Reads the T 16 bit register from the ADXL362
Adrian Suciu 20:9790e53d6e26 258 * ADXL362 is set in measurement mode using ADXL362::set_mode(ADXL362::MEASUREMENT)
Adrian Suciu 20:9790e53d6e26 259 * @return 16 bit T data
Adrian Suciu 20:9790e53d6e26 260 */
Adrian Suciu 19:fb92949e59c9 261 uint16_t ADXL362::scant()
Adrian Suciu 19:fb92949e59c9 262 {
Adrian Suciu 19:fb92949e59c9 263 return read_reg_u16(TEMP_L);
Adrian Suciu 19:fb92949e59c9 264 }
Adrian Suciu 19:fb92949e59c9 265
Adrian Suciu 20:9790e53d6e26 266 /**
Adrian Suciu 20:9790e53d6e26 267 * Sets the STANDBY/MEASUREMENT mode of the ADXL362
Adrian Suciu 20:9790e53d6e26 268 * @param mode - ADXL362_modes_t STANDBY/MEASUREMENT mode
Adrian Suciu 20:9790e53d6e26 269 */
Adrian Suciu 19:fb92949e59c9 270 void ADXL362::set_mode(ADXL362_modes_t mode)
Adrian Suciu 19:fb92949e59c9 271 {
Adrian Suciu 19:fb92949e59c9 272 uint8_t reg_val;
Adrian Suciu 19:fb92949e59c9 273 reg_val = read_reg(POWER_CTL);
Adrian Suciu 19:fb92949e59c9 274 reg_val = reg_val | static_cast<uint8_t>(mode);
Adrian Suciu 19:fb92949e59c9 275 write_reg(POWER_CTL, reg_val);
Adrian Suciu 19:fb92949e59c9 276 }
Adrian Suciu 19:fb92949e59c9 277
Adrian Suciu 20:9790e53d6e26 278 /**
Adrian Suciu 20:9790e53d6e26 279 * Sets the activity threshold registers
Adrian Suciu 20:9790e53d6e26 280 * To enable activity/inactivity, the ACT_INACT_CTL reg must also be set
Adrian Suciu 20:9790e53d6e26 281 * using the ADXL362::set_act_inact_ctl_reg(uint8_t data) method
Adrian Suciu 20:9790e53d6e26 282 * @param threshold - activity threshold in natural format
Adrian Suciu 20:9790e53d6e26 283 */
Adrian Suciu 19:fb92949e59c9 284 void ADXL362::set_activity_threshold(uint16_t threshold)
Adrian Suciu 19:fb92949e59c9 285 {
Adrian Suciu 19:fb92949e59c9 286 write_reg_u16(THRESH_ACT_L, threshold);
Adrian Suciu 19:fb92949e59c9 287 }
Adrian Suciu 20:9790e53d6e26 288
Adrian Suciu 20:9790e53d6e26 289 /**
Adrian Suciu 20:9790e53d6e26 290 * Sets the activity time register
Adrian Suciu 20:9790e53d6e26 291 * To enable activity/inactivity, the ACT_INACT_CTL reg must also be set
Adrian Suciu 20:9790e53d6e26 292 * using the ADXL362::set_act_inact_ctl_reg(uint8_t data) method
Adrian Suciu 20:9790e53d6e26 293 * @param time - activity time
Adrian Suciu 20:9790e53d6e26 294 */
Adrian Suciu 19:fb92949e59c9 295 void ADXL362::set_activity_time(uint8_t time)
Adrian Suciu 19:fb92949e59c9 296 {
Adrian Suciu 19:fb92949e59c9 297 write_reg(TIME_ACT, time);
Adrian Suciu 19:fb92949e59c9 298 }
Adrian Suciu 20:9790e53d6e26 299
Adrian Suciu 20:9790e53d6e26 300 /**
Adrian Suciu 20:9790e53d6e26 301 * Sets the inactivity threshold register
Adrian Suciu 20:9790e53d6e26 302 * To enable activity/inactivity, the ACT_INACT_CTL reg must also be set
Adrian Suciu 20:9790e53d6e26 303 * using the ADXL362::set_act_inact_ctl_reg(uint8_t data) method
Adrian Suciu 20:9790e53d6e26 304 * @param threshold - inactivity threshold in natural format
Adrian Suciu 20:9790e53d6e26 305 */
Adrian Suciu 19:fb92949e59c9 306 void ADXL362::set_inactivity_threshold(uint16_t threshold)
Adrian Suciu 19:fb92949e59c9 307 {
Adrian Suciu 19:fb92949e59c9 308 write_reg_u16(THRESH_INACT_L, threshold);
Adrian Suciu 19:fb92949e59c9 309 }
Adrian Suciu 20:9790e53d6e26 310
Adrian Suciu 20:9790e53d6e26 311 /**
Adrian Suciu 20:9790e53d6e26 312 * Sets the inactivity time register
Adrian Suciu 20:9790e53d6e26 313 * To enable activity/inactivity, the ACT_INACT_CTL reg must also be set
Adrian Suciu 20:9790e53d6e26 314 * using the ADXL362::set_act_inact_ctl_reg(uint8_t data) method
Adrian Suciu 20:9790e53d6e26 315 * @param time - inactivity time in natural format
Adrian Suciu 20:9790e53d6e26 316 */
Adrian Suciu 19:fb92949e59c9 317 void ADXL362::set_inactivity_time(uint16_t time)
Adrian Suciu 19:fb92949e59c9 318 {
Adrian Suciu 19:fb92949e59c9 319 write_reg_u16(TIME_INACT_L, time);
Adrian Suciu 19:fb92949e59c9 320 }
Adrian Suciu 19:fb92949e59c9 321
Adrian Suciu 20:9790e53d6e26 322 /**
Adrian Suciu 20:9790e53d6e26 323 * Sets the ACT_INACT_CTL register of the ADXL362
Adrian Suciu 20:9790e53d6e26 324 * @param data - data to be written to the register
Adrian Suciu 20:9790e53d6e26 325 */
Adrian Suciu 20:9790e53d6e26 326 void ADXL362::set_act_inact_ctl_reg(uint8_t data)
Adrian Suciu 20:9790e53d6e26 327 {
Adrian Suciu 20:9790e53d6e26 328 write_reg(ACT_INACT_CTL, data);
Adrian Suciu 20:9790e53d6e26 329 }
Adrian Suciu 20:9790e53d6e26 330
Adrian Suciu 20:9790e53d6e26 331 /**
Adrian Suciu 20:9790e53d6e26 332 * Configures INT1 output of the ADXL362 for polling use
Adrian Suciu 20:9790e53d6e26 333 * @param in - uC pin connected to ADXL362's INT1
Adrian Suciu 20:9790e53d6e26 334 * @param data - data to be written to INTMAP1
Adrian Suciu 20:9790e53d6e26 335 * @param pull - (optional) configures pullup on In pin
Adrian Suciu 20:9790e53d6e26 336 */
Adrian Suciu 19:fb92949e59c9 337 void ADXL362::set_polling_interrupt1_pin(PinName in, uint8_t data,
Adrian Suciu 19:fb92949e59c9 338 PinMode pull)
Adrian Suciu 19:fb92949e59c9 339 {
Adrian Suciu 19:fb92949e59c9 340 if ((data & 0x7F) != 0) {
Adrian Suciu 19:fb92949e59c9 341 write_reg(INTMAP1, data);
Adrian Suciu 20:9790e53d6e26 342 _int1_poll = DigitalIn(in);
Adrian Suciu 20:9790e53d6e26 343 _int1_poll.mode(pull);
Adrian Suciu 19:fb92949e59c9 344 if (data & 0x80) {
Adrian Suciu 20:9790e53d6e26 345 _int1_act_low = true;
Adrian Suciu 19:fb92949e59c9 346 } else {
Adrian Suciu 20:9790e53d6e26 347 _int1_act_low = false;
Adrian Suciu 19:fb92949e59c9 348 }
Adrian Suciu 19:fb92949e59c9 349 }
Adrian Suciu 19:fb92949e59c9 350 }
Adrian Suciu 19:fb92949e59c9 351
Adrian Suciu 20:9790e53d6e26 352 /**
Adrian Suciu 20:9790e53d6e26 353 * Configures INT2 output of the ADXL362 for polling use
Adrian Suciu 20:9790e53d6e26 354 * @param in - uC pin connected to ADXL362's INT2
Adrian Suciu 20:9790e53d6e26 355 * @param data - data to be written to INTMAP2
Adrian Suciu 20:9790e53d6e26 356 * @param pull - (optional) configures pullup on In pin
Adrian Suciu 20:9790e53d6e26 357 */
Adrian Suciu 19:fb92949e59c9 358 void ADXL362::set_polling_interrupt2_pin(PinName in, uint8_t data,
Adrian Suciu 19:fb92949e59c9 359 PinMode pull)
Adrian Suciu 19:fb92949e59c9 360 {
Adrian Suciu 19:fb92949e59c9 361 if ((data & 0x7F) != 0) {
Adrian Suciu 19:fb92949e59c9 362 write_reg(INTMAP2, data);
Adrian Suciu 20:9790e53d6e26 363 _int2_poll = DigitalIn(in);
Adrian Suciu 20:9790e53d6e26 364 _int2_poll.mode(pull);
Adrian Suciu 19:fb92949e59c9 365 if (data & 0x80) {
Adrian Suciu 20:9790e53d6e26 366 _int2_act_low = true;
Adrian Suciu 19:fb92949e59c9 367 } else {
Adrian Suciu 20:9790e53d6e26 368 _int2_act_low = false;
Adrian Suciu 19:fb92949e59c9 369 }
Adrian Suciu 19:fb92949e59c9 370 }
Adrian Suciu 19:fb92949e59c9 371 }
Adrian Suciu 19:fb92949e59c9 372
Adrian Suciu 20:9790e53d6e26 373 /**
Adrian Suciu 20:9790e53d6e26 374 * Gets the active state of the INT1 pin
Adrian Suciu 20:9790e53d6e26 375 * @return true if active, false if not active
Adrian Suciu 20:9790e53d6e26 376 */
Adrian Suciu 19:fb92949e59c9 377 bool ADXL362::get_int1()
Adrian Suciu 19:fb92949e59c9 378 {
Adrian Suciu 20:9790e53d6e26 379 if(_int1_poll != NC) return (_int1_poll.read() != _int1_act_low); // boolean XOR
Adrian Suciu 20:9790e53d6e26 380 else return (_int1->read() != _int1_act_low);
Adrian Suciu 19:fb92949e59c9 381 }
Adrian Suciu 19:fb92949e59c9 382
Adrian Suciu 20:9790e53d6e26 383 /**
Adrian Suciu 20:9790e53d6e26 384 * Gets the active state of the INT2 pin
Adrian Suciu 20:9790e53d6e26 385 * @return true if active, false if not active
Adrian Suciu 20:9790e53d6e26 386 */
Adrian Suciu 19:fb92949e59c9 387 bool ADXL362::get_int2()
Adrian Suciu 19:fb92949e59c9 388 {
Adrian Suciu 20:9790e53d6e26 389 if(_int2_poll != NC) return (_int1_poll.read() != _int1_act_low); // boolean XOR
Adrian Suciu 20:9790e53d6e26 390 else return (_int2->read() != _int2_act_low);
Adrian Suciu 19:fb92949e59c9 391 }
Adrian Suciu 19:fb92949e59c9 392
Adrian Suciu 20:9790e53d6e26 393
Adrian Suciu 20:9790e53d6e26 394 /**
Adrian Suciu 20:9790e53d6e26 395 * Configures the INT1 pin of the ADXL362 to be used in interrupt mode
Adrian Suciu 20:9790e53d6e26 396 * @param in - uC pin connected to ADXL362's INT1
Adrian Suciu 20:9790e53d6e26 397 * @param data - data to be written to INTMAP1
Adrian Suciu 20:9790e53d6e26 398 * @param callback_rising - rising edge interrupt callback - can be set to NULL if no callback is required for rising edge
Adrian Suciu 20:9790e53d6e26 399 * @param callback_falling - falling edge interrupt callback - can be set to NULL if no callback is required for falling edge
Adrian Suciu 20:9790e53d6e26 400 * @param pull - (optional) configures pullup on In pin
Adrian Suciu 20:9790e53d6e26 401 */
Adrian Suciu 19:fb92949e59c9 402 void ADXL362::set_interrupt1_pin(PinName in, uint8_t data,
Adrian Suciu 19:fb92949e59c9 403 void (*callback_rising)(void), void (*callback_falling)(void), PinMode pull)
Adrian Suciu 19:fb92949e59c9 404 {
Adrian Suciu 19:fb92949e59c9 405 if ((data & 0x7F) != 0) {
Adrian Suciu 19:fb92949e59c9 406 write_reg(INTMAP1, data);
Adrian Suciu 20:9790e53d6e26 407 delete _int1;
Adrian Suciu 20:9790e53d6e26 408 _int1 = new InterruptIn(in);
Adrian Suciu 20:9790e53d6e26 409 _int1->mode(pull);
Adrian Suciu 20:9790e53d6e26 410 if(callback_falling != NULL) _int1->fall(callback_falling);
Adrian Suciu 20:9790e53d6e26 411 if(callback_rising != NULL) _int1->rise(callback_rising);
Adrian Suciu 19:fb92949e59c9 412 if (data & 0x80) {
Adrian Suciu 20:9790e53d6e26 413 _int1_act_low = true;
Adrian Suciu 19:fb92949e59c9 414 } else {
Adrian Suciu 20:9790e53d6e26 415 _int1_act_low = false;
Adrian Suciu 19:fb92949e59c9 416 }
Adrian Suciu 19:fb92949e59c9 417 }
Adrian Suciu 19:fb92949e59c9 418 }
Adrian Suciu 20:9790e53d6e26 419
Adrian Suciu 20:9790e53d6e26 420
Adrian Suciu 20:9790e53d6e26 421 /**
Adrian Suciu 20:9790e53d6e26 422 * Configures the INT2 pin of the ADXL362 to be used in interrupt mode
Adrian Suciu 20:9790e53d6e26 423 * @param in - uC pin connected to ADXL362's INT2
Adrian Suciu 20:9790e53d6e26 424 * @param data - data to be written to INTMAP2
Adrian Suciu 20:9790e53d6e26 425 * @param callback_rising - rising edge interrupt callback - can be set to NULL if no callback is required for rising edge
Adrian Suciu 20:9790e53d6e26 426 * @param callback_falling - falling edge interrupt callback - can be set to NULL if no callback is required for falling edge
Adrian Suciu 20:9790e53d6e26 427 * @param pull - (optional) configures pullup on In pin
Adrian Suciu 20:9790e53d6e26 428 */
Adrian Suciu 19:fb92949e59c9 429 void ADXL362::set_interrupt2_pin(PinName in, uint8_t data,
Adrian Suciu 19:fb92949e59c9 430 void (*callback_rising)(void), void (*callback_falling)(void), PinMode pull)
Adrian Suciu 19:fb92949e59c9 431 {
Adrian Suciu 19:fb92949e59c9 432 if ((data & 0x7F) != 0) {
Adrian Suciu 19:fb92949e59c9 433 write_reg(INTMAP2, data);
Adrian Suciu 20:9790e53d6e26 434 delete _int2;
Adrian Suciu 20:9790e53d6e26 435 _int2 = new InterruptIn(in);
Adrian Suciu 20:9790e53d6e26 436 _int2->mode(pull);
Adrian Suciu 20:9790e53d6e26 437 if(callback_falling != NULL) _int2->fall(callback_falling);
Adrian Suciu 20:9790e53d6e26 438 if(callback_rising != NULL) _int2->rise(callback_rising);
Adrian Suciu 19:fb92949e59c9 439 if (data & 0x80) {
Adrian Suciu 20:9790e53d6e26 440 _int2_act_low = true;
Adrian Suciu 19:fb92949e59c9 441 } else {
Adrian Suciu 20:9790e53d6e26 442 _int2_act_low = false;
Adrian Suciu 19:fb92949e59c9 443 }
Adrian Suciu 19:fb92949e59c9 444 }
Adrian Suciu 19:fb92949e59c9 445 }
Adrian Suciu 19:fb92949e59c9 446
Adrian Suciu 20:9790e53d6e26 447 /**
Adrian Suciu 20:9790e53d6e26 448 * Enables external interrupt registration for pin configured as INT1
Adrian Suciu 20:9790e53d6e26 449 * To enable this interrupt, it must first be configured using ADXL362::set_interrupt1_pin()
Adrian Suciu 20:9790e53d6e26 450 */
Adrian Suciu 19:fb92949e59c9 451 void ADXL362::enable_interrupt1()
Adrian Suciu 19:fb92949e59c9 452 {
Adrian Suciu 20:9790e53d6e26 453 _int1->enable_irq();
Adrian Suciu 19:fb92949e59c9 454 }
Adrian Suciu 19:fb92949e59c9 455
Adrian Suciu 20:9790e53d6e26 456 /**
Adrian Suciu 20:9790e53d6e26 457 * Enables external interrupt registration for pin configured as INT2
Adrian Suciu 20:9790e53d6e26 458 * * To enable this interrupt, it must first be configured using ADXL362::set_interrupt2_pin()
Adrian Suciu 20:9790e53d6e26 459 */
Adrian Suciu 19:fb92949e59c9 460 void ADXL362::enable_interrupt2()
Adrian Suciu 19:fb92949e59c9 461 {
Adrian Suciu 20:9790e53d6e26 462 _int2->enable_irq();
Adrian Suciu 19:fb92949e59c9 463 }
Adrian Suciu 19:fb92949e59c9 464
Adrian Suciu 20:9790e53d6e26 465 /**
Adrian Suciu 20:9790e53d6e26 466 * Disables external interrupt registration for pin configured as INT1
Adrian Suciu 20:9790e53d6e26 467 */
Adrian Suciu 19:fb92949e59c9 468 void ADXL362::disable_interrupt1()
Adrian Suciu 19:fb92949e59c9 469 {
Adrian Suciu 20:9790e53d6e26 470 _int1->disable_irq();
Adrian Suciu 19:fb92949e59c9 471 }
Adrian Suciu 19:fb92949e59c9 472
Adrian Suciu 20:9790e53d6e26 473 /**
Adrian Suciu 20:9790e53d6e26 474 * Disables external interrupt registration for pin configured as INT2
Adrian Suciu 20:9790e53d6e26 475 */
Adrian Suciu 19:fb92949e59c9 476 void ADXL362::disable_interrupt2()
Adrian Suciu 19:fb92949e59c9 477 {
Adrian Suciu 20:9790e53d6e26 478 _int2->disable_irq();
Adrian Suciu 19:fb92949e59c9 479 }
Adrian Suciu 19:fb92949e59c9 480
Adrian Suciu 20:9790e53d6e26 481 /**
Adrian Suciu 20:9790e53d6e26 482 * Sets the POWER_CTL register
Adrian Suciu 20:9790e53d6e26 483 * @param data - data to be written to the register
Adrian Suciu 20:9790e53d6e26 484 */
Adrian Suciu 19:fb92949e59c9 485 void ADXL362::set_power_ctl_reg(uint8_t data)
Adrian Suciu 19:fb92949e59c9 486 {
Adrian Suciu 19:fb92949e59c9 487 write_reg(POWER_CTL, data);
Adrian Suciu 19:fb92949e59c9 488 }
Adrian Suciu 19:fb92949e59c9 489
Adrian Suciu 20:9790e53d6e26 490 /**
Adrian Suciu 20:9790e53d6e26 491 * Sets the FILTER_CTL register
Adrian Suciu 20:9790e53d6e26 492 * @param data - data to be written to the register
Adrian Suciu 20:9790e53d6e26 493 */
Adrian Suciu 19:fb92949e59c9 494 void ADXL362::set_filter_ctl_reg(uint8_t data)
Adrian Suciu 19:fb92949e59c9 495 {
Adrian Suciu 19:fb92949e59c9 496 write_reg(FILTER_CTL, data);
Adrian Suciu 19:fb92949e59c9 497 }
Adrian Suciu 19:fb92949e59c9 498
Adrian Suciu 20:9790e53d6e26 499 /**
Adrian Suciu 20:9790e53d6e26 500 * Reads the STATUS register of the ADXL362
Adrian Suciu 20:9790e53d6e26 501 * @return - data in the status register
Adrian Suciu 20:9790e53d6e26 502 */
Adrian Suciu 19:fb92949e59c9 503 uint8_t ADXL362::read_status()
Adrian Suciu 19:fb92949e59c9 504 {
Adrian Suciu 19:fb92949e59c9 505 return read_reg(STATUS);
Adrian Suciu 19:fb92949e59c9 506 }
Adrian Suciu 19:fb92949e59c9 507
Adrian Suciu 20:9790e53d6e26 508 /**
Adrian Suciu 20:9790e53d6e26 509 * Reads the FIFO_ENTRIES_L and FIFO_ENTRIES_H register
Adrian Suciu 20:9790e53d6e26 510 * @return the number of entries in the FIFO
Adrian Suciu 20:9790e53d6e26 511 */
Adrian Suciu 19:fb92949e59c9 512 uint16_t ADXL362::fifo_read_nr_of_entries()
Adrian Suciu 19:fb92949e59c9 513 {
Adrian Suciu 19:fb92949e59c9 514 return read_reg_u16(FIFO_ENTRIES_L);
Adrian Suciu 19:fb92949e59c9 515 }
Adrian Suciu 19:fb92949e59c9 516
Adrian Suciu 20:9790e53d6e26 517 /**
Adrian Suciu 20:9790e53d6e26 518 * Setup for the FIFO
Adrian Suciu 20:9790e53d6e26 519 * @param store_temp - boolean, true - temperature will be stored in the fifo. false otherwise
Adrian Suciu 20:9790e53d6e26 520 * @param mode - ADXL362_FIFO_modes_t fifo mode
Adrian Suciu 20:9790e53d6e26 521 * @param nr_of_entries - number of entries in the FIFO
Adrian Suciu 20:9790e53d6e26 522 */
Adrian Suciu 19:fb92949e59c9 523 void ADXL362::fifo_setup(bool store_temp, ADXL362_FIFO_modes_t mode, uint16_t nr_of_entries)
Adrian Suciu 19:fb92949e59c9 524 {
Adrian Suciu 19:fb92949e59c9 525 uint8_t fifo_ctl = static_cast<uint8_t>(mode);
Adrian Suciu 20:9790e53d6e26 526 _temp_stored_in_fifo = store_temp;
Adrian Suciu 19:fb92949e59c9 527
Adrian Suciu 20:9790e53d6e26 528 fifo_ctl = fifo_ctl | (static_cast<uint8_t>(_temp_stored_in_fifo) << 2);
Adrian Suciu 19:fb92949e59c9 529
Adrian Suciu 19:fb92949e59c9 530 if (nr_of_entries > 0xff) {
Adrian Suciu 19:fb92949e59c9 531 fifo_ctl = fifo_ctl | static_cast<uint8_t>(AH);
Adrian Suciu 19:fb92949e59c9 532 }
Adrian Suciu 19:fb92949e59c9 533 write_reg(FIFO_CONTROL, fifo_ctl);
Adrian Suciu 19:fb92949e59c9 534 write_reg(FIFO_SAMPLES, static_cast<uint8_t>(nr_of_entries & 0xff));
Adrian Suciu 19:fb92949e59c9 535
Adrian Suciu 19:fb92949e59c9 536 }
Adrian Suciu 19:fb92949e59c9 537
Adrian Suciu 20:9790e53d6e26 538 /**
Adrian Suciu 20:9790e53d6e26 539 * Reads a FIFO entry
Adrian Suciu 20:9790e53d6e26 540 * @return FIFO entry
Adrian Suciu 20:9790e53d6e26 541 */
Adrian Suciu 19:fb92949e59c9 542 uint16_t ADXL362::fifo_read_u16()
Adrian Suciu 19:fb92949e59c9 543 {
Adrian Suciu 19:fb92949e59c9 544 uint16_t ret_val = 0;
Adrian Suciu 19:fb92949e59c9 545 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 546
Adrian Suciu 19:fb92949e59c9 547 cs = false;
Adrian Suciu 20:9790e53d6e26 548 adxl362.write(_READ_FIFO_CMD);
Adrian Suciu 20:9790e53d6e26 549 ret_val = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 20:9790e53d6e26 550 ret_val = (ret_val) | static_cast<uint16_t>(adxl362.write(_DUMMY_BYTE) << 8);
Adrian Suciu 19:fb92949e59c9 551 cs = true;
Adrian Suciu 19:fb92949e59c9 552
Adrian Suciu 19:fb92949e59c9 553 return ret_val;
Adrian Suciu 19:fb92949e59c9 554 }
Adrian Suciu 19:fb92949e59c9 555
Adrian Suciu 20:9790e53d6e26 556 /**
Adrian Suciu 20:9790e53d6e26 557 * Reads 3(4) bytes from the FIFO(if store_temp was set), assembles the data in the format used by the scan method
Adrian Suciu 20:9790e53d6e26 558 * ADXL362::fifo_setup() needs to be called before calling fifo_scan to ensure correct fifo operation
Adrian Suciu 20:9790e53d6e26 559 * fifo_scan and fifo_read_u16 should not be used as fifo_read_u16 disaligns the fifo therefore
Adrian Suciu 20:9790e53d6e26 560 * fifo_scan will return data from multiple samples
Adrian Suciu 20:9790e53d6e26 561 * @return scanned data from the fifo in the 0xXXYYZZTT format
Adrian Suciu 20:9790e53d6e26 562 */
Adrian Suciu 19:fb92949e59c9 563 uint64_t ADXL362::fifo_scan()
Adrian Suciu 19:fb92949e59c9 564 {
Adrian Suciu 19:fb92949e59c9 565
Adrian Suciu 19:fb92949e59c9 566 uint64_t ret_val = 0;
Adrian Suciu 19:fb92949e59c9 567 uint16_t x = 0, y = 0, z = 0, dummy, t = 0, sample_type;
Adrian Suciu 19:fb92949e59c9 568
Adrian Suciu 19:fb92949e59c9 569 adxl362.format(8, _SPI_MODE);
Adrian Suciu 19:fb92949e59c9 570 cs = false;
Adrian Suciu 20:9790e53d6e26 571 adxl362.write(_READ_FIFO_CMD);
Adrian Suciu 20:9790e53d6e26 572 uint8_t samples = (_temp_stored_in_fifo) ? 4 : 3;
Adrian Suciu 19:fb92949e59c9 573 for(uint8_t i = 0; i < samples; i++) {
Adrian Suciu 20:9790e53d6e26 574 dummy = adxl362.write(_DUMMY_BYTE);
Adrian Suciu 20:9790e53d6e26 575 dummy = dummy | static_cast<uint16_t>(adxl362.write(_DUMMY_BYTE) << 8);
Adrian Suciu 19:fb92949e59c9 576 sample_type = (dummy & 0xc000) >> 14;
Adrian Suciu 19:fb92949e59c9 577 dummy = dummy & 0x3fff;
Adrian Suciu 19:fb92949e59c9 578 switch(sample_type) {
Adrian Suciu 19:fb92949e59c9 579 case 0: // x
Adrian Suciu 19:fb92949e59c9 580 x = dummy;
Adrian Suciu 19:fb92949e59c9 581 break;
Adrian Suciu 19:fb92949e59c9 582 case 1: // y
Adrian Suciu 19:fb92949e59c9 583 y = dummy;
Adrian Suciu 19:fb92949e59c9 584 break;
Adrian Suciu 19:fb92949e59c9 585 case 2: // z
Adrian Suciu 19:fb92949e59c9 586 z = dummy;
Adrian Suciu 19:fb92949e59c9 587 break;
Adrian Suciu 19:fb92949e59c9 588 case 3: // temp
Adrian Suciu 19:fb92949e59c9 589 t = dummy;
Adrian Suciu 19:fb92949e59c9 590 break;
Adrian Suciu 19:fb92949e59c9 591 }
Adrian Suciu 19:fb92949e59c9 592
Adrian Suciu 19:fb92949e59c9 593 }
Adrian Suciu 19:fb92949e59c9 594
Adrian Suciu 19:fb92949e59c9 595 // format xxyyzztt
Adrian Suciu 19:fb92949e59c9 596 ret_val = static_cast<uint64_t> (x) << 48;
Adrian Suciu 19:fb92949e59c9 597 ret_val |= static_cast<uint64_t>(y) << 32;
Adrian Suciu 19:fb92949e59c9 598 ret_val |= static_cast<uint64_t>(z) << 16;
Adrian Suciu 19:fb92949e59c9 599 ret_val |= static_cast<uint64_t>(t);
Adrian Suciu 19:fb92949e59c9 600 cs = true;
Adrian Suciu 19:fb92949e59c9 601 return ret_val;
Adrian Suciu 19:fb92949e59c9 602 }