Analog Devices / EVAL_ADXL362_ARDZ

EVAL-ADXL362-ARDZ accelerometer shield

Dependencies:   ADXL362

Dependents:   EVAL_ADXL362_ARDZ-helloworld

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

EVAL_ADXL362_ARDZ.cpp@2:e56adca82fee, 2016-08-18 (annotated)

Committer:
adisuciu
Date:
Thu Aug 18 12:37:03 2016 +0000
Revision:
2:e56adca82fee
Parent:
0:689a0bf410c3 
Implemented missing doxygen tags

Who changed what in which revision?

UserRevisionLine numberNew contents of line
adisuciu 0:689a0bf410c3 1 /**
adisuciu 0:689a0bf410c3 2 * @file EVAL_ADXL362_ARDZ.cpp
adisuciu 0:689a0bf410c3 3 * @brief Source file for the EVAL-ADXL362-ARDZ board
adisuciu 0:689a0bf410c3 4 * @author Analog Devices Inc.
adisuciu 0:689a0bf410c3 5 *
adisuciu 0:689a0bf410c3 6 * For support please go to:
adisuciu 0:689a0bf410c3 7 * Github: https://github.com/analogdevicesinc/mbed-adi
adisuciu 0:689a0bf410c3 8 * Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers
adisuciu 0:689a0bf410c3 9 * Product: www.analog.com/EVAL-ADXL362-ARDZ
adisuciu 0:689a0bf410c3 10 * More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all
adisuciu 0:689a0bf410c3 11
adisuciu 0:689a0bf410c3 12 ********************************************************************************
adisuciu 0:689a0bf410c3 13 * Copyright 2016(c) Analog Devices, Inc.
adisuciu 0:689a0bf410c3 14 *
adisuciu 0:689a0bf410c3 15 * All rights reserved.
adisuciu 0:689a0bf410c3 16 *
adisuciu 0:689a0bf410c3 17 * Redistribution and use in source and binary forms, with or without
adisuciu 0:689a0bf410c3 18 * modification, are permitted provided that the following conditions are met:
adisuciu 0:689a0bf410c3 19 * - Redistributions of source code must retain the above copyright
adisuciu 0:689a0bf410c3 20 * notice, this list of conditions and the following disclaimer.
adisuciu 0:689a0bf410c3 21 * - Redistributions in binary form must reproduce the above copyright
adisuciu 0:689a0bf410c3 22 * notice, this list of conditions and the following disclaimer in
adisuciu 0:689a0bf410c3 23 * the documentation and/or other materials provided with the
adisuciu 0:689a0bf410c3 24 * distribution.
adisuciu 0:689a0bf410c3 25 * - Neither the name of Analog Devices, Inc. nor the names of its
adisuciu 0:689a0bf410c3 26 * contributors may be used to endorse or promote products derived
adisuciu 0:689a0bf410c3 27 * from this software without specific prior written permission.
adisuciu 0:689a0bf410c3 28 * - The use of this software may or may not infringe the patent rights
adisuciu 0:689a0bf410c3 29 * of one or more patent holders. This license does not release you
adisuciu 0:689a0bf410c3 30 * from the requirement that you obtain separate licenses from these
adisuciu 0:689a0bf410c3 31 * patent holders to use this software.
adisuciu 0:689a0bf410c3 32 * - Use of the software either in source or binary form, must be run
adisuciu 0:689a0bf410c3 33 * on or directly connected to an Analog Devices Inc. component.
adisuciu 0:689a0bf410c3 34 *
adisuciu 0:689a0bf410c3 35 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
adisuciu 0:689a0bf410c3 36 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
adisuciu 0:689a0bf410c3 37 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
adisuciu 0:689a0bf410c3 38 * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
adisuciu 0:689a0bf410c3 39 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
adisuciu 0:689a0bf410c3 40 * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
adisuciu 0:689a0bf410c3 41 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
adisuciu 0:689a0bf410c3 42 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
adisuciu 0:689a0bf410c3 43 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
adisuciu 0:689a0bf410c3 44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
adisuciu 0:689a0bf410c3 45 *
adisuciu 0:689a0bf410c3 46 ********************************************************************************/
adisuciu 0:689a0bf410c3 47
adisuciu 0:689a0bf410c3 48 #include "EVAL_ADXL362_ARDZ.h"
adisuciu 0:689a0bf410c3 49
adisuciu 0:689a0bf410c3 50 /**
adisuciu 0:689a0bf410c3 51 * Constructor for the EVAL_ADXL362_ARDZ
adisuciu 0:689a0bf410c3 52 * @param _lcd reference to an LCD object
adisuciu 0:689a0bf410c3 53 * @param _adxl362 reference to an ADXL362 object
adisuciu 0:689a0bf410c3 54 */
adisuciu 0:689a0bf410c3 55 EVAL_ADXL362_ARDZ::EVAL_ADXL362_ARDZ(Lcd& _lcd, ADXL362& _adxl362) : lcd(_lcd) , adxl362(_adxl362)
adisuciu 0:689a0bf410c3 56 {
adisuciu 0:689a0bf410c3 57 _x_axis_data = 0;
adisuciu 0:689a0bf410c3 58 _y_axis_data = 0;
adisuciu 0:689a0bf410c3 59 _z_axis_data = 0;
adisuciu 0:689a0bf410c3 60 _t_data = 0;
adisuciu 0:689a0bf410c3 61 _lcd_on = 0;
adisuciu 0:689a0bf410c3 62 }
adisuciu 0:689a0bf410c3 63
adisuciu 0:689a0bf410c3 64 /**
adisuciu 0:689a0bf410c3 65 * Initial setup of the LCD
adisuciu 0:689a0bf410c3 66 */
adisuciu 0:689a0bf410c3 67 void EVAL_ADXL362_ARDZ::LCD_setup()
adisuciu 0:689a0bf410c3 68 {
adisuciu 0:689a0bf410c3 69 lcd.init();
adisuciu 0:689a0bf410c3 70 }
adisuciu 0:689a0bf410c3 71
adisuciu 0:689a0bf410c3 72 /**
adisuciu 0:689a0bf410c3 73 * Initial setup of the ADXL
adisuciu 0:689a0bf410c3 74 */
adisuciu 0:689a0bf410c3 75 void EVAL_ADXL362_ARDZ::ADXL_setup()
adisuciu 0:689a0bf410c3 76 {
adisuciu 0:689a0bf410c3 77 adxl362.reset();
adisuciu 0:689a0bf410c3 78 wait_us(500);
adisuciu 0:689a0bf410c3 79 adxl362.set_activity_threshold(ACT_VAL);
adisuciu 0:689a0bf410c3 80 adxl362.set_activity_time(ACT_TIMER / 10);
adisuciu 0:689a0bf410c3 81
adisuciu 0:689a0bf410c3 82 adxl362.set_inactivity_threshold(INACT_VAL);
adisuciu 0:689a0bf410c3 83 adxl362.set_inactivity_time(INACT_TIMER);
adisuciu 0:689a0bf410c3 84 adxl362.set_act_inact_ctl_reg(0x3f);
adisuciu 0:689a0bf410c3 85 #if(ADXL_INT_SEL == INTACC_PIN_1)
adisuciu 0:689a0bf410c3 86 adxl362.set_polling_interrupt1_pin(D2, 0x40);
adisuciu 0:689a0bf410c3 87 #elif(ADXL_INT_SEL == INTACC_PIN_2)
adisuciu 0:689a0bf410c3 88 adxl362.set_polling_interrupt2_pin(D2, 0x40); /* Map the awake status to INT2 pin */
adisuciu 0:689a0bf410c3 89 #endif
adisuciu 0:689a0bf410c3 90 adxl362.set_mode(ADXL362::MEASUREMENT);
adisuciu 0:689a0bf410c3 91 _lcd_on = 0;
adisuciu 0:689a0bf410c3 92
adisuciu 0:689a0bf410c3 93 }
adisuciu 0:689a0bf410c3 94
adisuciu 0:689a0bf410c3 95 /**
adisuciu 0:689a0bf410c3 96 * Method used to scan the ADXL axis data to the internal members
adisuciu 0:689a0bf410c3 97 */
adisuciu 0:689a0bf410c3 98 void EVAL_ADXL362_ARDZ::ADXL_scan_xyzt()
adisuciu 0:689a0bf410c3 99 {
adisuciu 0:689a0bf410c3 100 uint64_t acc = adxl362.scan();
adisuciu 0:689a0bf410c3 101 _x_axis_data = static_cast<uint16_t>((acc & 0xffff000000000000) >> 48);
adisuciu 0:689a0bf410c3 102 _y_axis_data = static_cast<uint16_t>((acc & 0x0000ffff00000000) >> 32);
adisuciu 0:689a0bf410c3 103 _z_axis_data = static_cast<uint16_t>((acc & 0x00000000ffff0000) >> 16);
adisuciu 0:689a0bf410c3 104 _t_data = static_cast<uint16_t> (acc & 0x000000000000ffff);
adisuciu 0:689a0bf410c3 105 }
adisuciu 0:689a0bf410c3 106
adisuciu 0:689a0bf410c3 107 /**
adisuciu 0:689a0bf410c3 108 * Gets the status of the interrupt
adisuciu 0:689a0bf410c3 109 * @return true if interrupt is active
adisuciu 0:689a0bf410c3 110 */
adisuciu 0:689a0bf410c3 111 bool EVAL_ADXL362_ARDZ::ADXL_get_int()
adisuciu 0:689a0bf410c3 112 {
adisuciu 0:689a0bf410c3 113 #if(ADXL_INT_SEL == INTACC_PIN_1)
adisuciu 0:689a0bf410c3 114 return adxl362.get_int1();
adisuciu 0:689a0bf410c3 115 #elif(ADXL_INT_SEL == INTACC_PIN_2)
adisuciu 0:689a0bf410c3 116 return adxl362.get_int2();
adisuciu 0:689a0bf410c3 117 #endif
adisuciu 0:689a0bf410c3 118 return false;
adisuciu 0:689a0bf410c3 119 }
adisuciu 0:689a0bf410c3 120
adisuciu 0:689a0bf410c3 121 /**
adisuciu 0:689a0bf410c3 122 * Displays numeric values on the LCD
adisuciu 0:689a0bf410c3 123 */
adisuciu 0:689a0bf410c3 124 void EVAL_ADXL362_ARDZ::LCD_display_values()
adisuciu 0:689a0bf410c3 125 {
adisuciu 0:689a0bf410c3 126 uint8_t string[22];
adisuciu 0:689a0bf410c3 127 sprintf((char *) string, "x = % 5d", _x_axis_data);
adisuciu 0:689a0bf410c3 128 lcd.display_string(0, 0, (int8_t *) string);
adisuciu 0:689a0bf410c3 129
adisuciu 0:689a0bf410c3 130 sprintf((char *) string, "y = % 5d", _y_axis_data);
adisuciu 0:689a0bf410c3 131 lcd.display_string(1, 0, (int8_t *) string);
adisuciu 0:689a0bf410c3 132
adisuciu 0:689a0bf410c3 133 sprintf((char *) string, "z = % 5d", _z_axis_data);
adisuciu 0:689a0bf410c3 134 lcd.display_string(2, 0, (int8_t *) string);
adisuciu 0:689a0bf410c3 135
adisuciu 0:689a0bf410c3 136 #if TEMP_ADC == 1
adisuciu 0:689a0bf410c3 137 sprintf((char *)string, "t = % 5d", _t_data);
adisuciu 0:689a0bf410c3 138 lcd.display_string(3, 0, (int8_t *)string);
adisuciu 0:689a0bf410c3 139 #else
adisuciu 0:689a0bf410c3 140 float f32temp = ((float) _t_data + Lcd::ACC_TEMP_BIAS)
adisuciu 0:689a0bf410c3 141 / (1 / Lcd::ACC_TEMP_SENSITIVITY); // -34.625
adisuciu 0:689a0bf410c3 142 sprintf((char *) string, "t = % 4.1f", f32temp);
adisuciu 0:689a0bf410c3 143 lcd.display_string(3, 0, (int8_t *) string);
adisuciu 0:689a0bf410c3 144 #endif
adisuciu 0:689a0bf410c3 145 }
adisuciu 0:689a0bf410c3 146
adisuciu 0:689a0bf410c3 147 /**
adisuciu 0:689a0bf410c3 148 * Displays the level meter on the LCD
adisuciu 0:689a0bf410c3 149 */
adisuciu 0:689a0bf410c3 150 void EVAL_ADXL362_ARDZ::LCD_display_level()
adisuciu 0:689a0bf410c3 151 {
adisuciu 0:689a0bf410c3 152 bool any_direction = false;
adisuciu 0:689a0bf410c3 153 lcd.display_symbol(0, Lcd::UP_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 154 lcd.display_symbol(2, Lcd::DOWN_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 155 lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 156 lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 157
adisuciu 0:689a0bf410c3 158 if(_x_axis_data > Lcd::ACC_LIMIT) {
adisuciu 0:689a0bf410c3 159 lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8Rec8x8);
adisuciu 0:689a0bf410c3 160 any_direction = true;
adisuciu 0:689a0bf410c3 161 }
adisuciu 0:689a0bf410c3 162 if(_x_axis_data < -Lcd::ACC_LIMIT) {
adisuciu 0:689a0bf410c3 163 lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8Rec8x8);
adisuciu 0:689a0bf410c3 164 any_direction = true;
adisuciu 0:689a0bf410c3 165 }
adisuciu 0:689a0bf410c3 166 if(_y_axis_data > Lcd::ACC_LIMIT) {
adisuciu 0:689a0bf410c3 167 lcd.display_symbol(0, Lcd::DOWN_X, 8, Lcd::pui8Rec8x8);
adisuciu 0:689a0bf410c3 168 any_direction = true;
adisuciu 0:689a0bf410c3 169 }
adisuciu 0:689a0bf410c3 170 if(_y_axis_data < -Lcd::ACC_LIMIT) {
adisuciu 0:689a0bf410c3 171 lcd.display_symbol(2, Lcd::UP_X, 8, Lcd::pui8Rec8x8);
adisuciu 0:689a0bf410c3 172 any_direction = true;
adisuciu 0:689a0bf410c3 173 }
adisuciu 0:689a0bf410c3 174 if( any_direction ) lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 175 else lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8Rec8x8);
adisuciu 0:689a0bf410c3 176
adisuciu 0:689a0bf410c3 177 }
adisuciu 0:689a0bf410c3 178
adisuciu 0:689a0bf410c3 179 /**
adisuciu 0:689a0bf410c3 180 * Turns on the backlight and draws the static data to the LCD
adisuciu 0:689a0bf410c3 181 */
adisuciu 0:689a0bf410c3 182 void EVAL_ADXL362_ARDZ::LCD_init_display()
adisuciu 0:689a0bf410c3 183 {
adisuciu 0:689a0bf410c3 184 /* Set BLLCD pin - turn on LCD backlight */
adisuciu 0:689a0bf410c3 185 if(_lcd_on == true) return;
adisuciu 0:689a0bf410c3 186 lcd.bl_enable();
adisuciu 0:689a0bf410c3 187
adisuciu 0:689a0bf410c3 188 lcd.display_string(0, 60, (int8_t *) "[mG]");
adisuciu 0:689a0bf410c3 189 lcd.display_string(1, 60, (int8_t *) "[mG]");
adisuciu 0:689a0bf410c3 190 lcd.display_string(2, 60, (int8_t *) "[mG]");
adisuciu 0:689a0bf410c3 191
adisuciu 0:689a0bf410c3 192 #if (TEMP_ADC == 1)
adisuciu 0:689a0bf410c3 193 lcd.display_string(3, 60, (int8_t *)"[ADC]");
adisuciu 0:689a0bf410c3 194 #else
adisuciu 0:689a0bf410c3 195 lcd.display_string(3, 60, (int8_t *) "[C]");
adisuciu 0:689a0bf410c3 196 #endif
adisuciu 0:689a0bf410c3 197
adisuciu 0:689a0bf410c3 198 lcd.display_symbol(0, Lcd::UP_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 199 lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 200 lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 201 lcd.display_symbol(2, Lcd::DOWN_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 202 lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8RecInv8x8);
adisuciu 0:689a0bf410c3 203 _lcd_on = true;
adisuciu 0:689a0bf410c3 204 }
adisuciu 0:689a0bf410c3 205
adisuciu 0:689a0bf410c3 206 /**
adisuciu 0:689a0bf410c3 207 * Turns off the backlight and clears the LCD
adisuciu 0:689a0bf410c3 208 */
adisuciu 0:689a0bf410c3 209 void EVAL_ADXL362_ARDZ::LCD_deinit_display()
adisuciu 0:689a0bf410c3 210 {
adisuciu 0:689a0bf410c3 211 if(_lcd_on == false) return;
adisuciu 0:689a0bf410c3 212 /* Clear BLLCD pin - turn off LCD backlight */
adisuciu 0:689a0bf410c3 213 lcd.bl_disable();
adisuciu 0:689a0bf410c3 214
adisuciu 0:689a0bf410c3 215 /* Clear screen */
adisuciu 0:689a0bf410c3 216 lcd.fill_pages(0, 4, 0x00);
adisuciu 0:689a0bf410c3 217 _lcd_on = false;
adisuciu 0:689a0bf410c3 218 }
adisuciu 0:689a0bf410c3 219
adisuciu 0:689a0bf410c3 220