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/EVAL_ADXL362_ARDZ/EVAL_ADXL362_ARDZ.cpp@24:dae7123d432a, 2016-05-18 (annotated)

Committer:
Adrian Suciu
Date:
Wed May 18 16:57:57 2016 +0300
Revision:
24:dae7123d432a
Improved compatibility with Linux systems

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Adrian Suciu 24:dae7123d432a 1 /**
Adrian Suciu 24:dae7123d432a 2 * @file EVAL_ADXL362_ARDZ.cpp
Adrian Suciu 24:dae7123d432a 3 * @brief Source file for the EVAL-ADXL362-ARDZ board
Adrian Suciu 24:dae7123d432a 4 * @author Analog Devices Inc.
Adrian Suciu 24:dae7123d432a 5 *
Adrian Suciu 24:dae7123d432a 6 * For support please go to:
Adrian Suciu 24:dae7123d432a 7 * Github: https://github.com/analogdevicesinc/mbed-adi
Adrian Suciu 24:dae7123d432a 8 * Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers
Adrian Suciu 24:dae7123d432a 9 * Product: www.analog.com/EVAL-ADXL362-ARDZ
Adrian Suciu 24:dae7123d432a 10 * More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all
Adrian Suciu 24:dae7123d432a 11
Adrian Suciu 24:dae7123d432a 12 ********************************************************************************
Adrian Suciu 24:dae7123d432a 13 * Copyright 2016(c) Analog Devices, Inc.
Adrian Suciu 24:dae7123d432a 14 *
Adrian Suciu 24:dae7123d432a 15 * All rights reserved.
Adrian Suciu 24:dae7123d432a 16 *
Adrian Suciu 24:dae7123d432a 17 * Redistribution and use in source and binary forms, with or without
Adrian Suciu 24:dae7123d432a 18 * modification, are permitted provided that the following conditions are met:
Adrian Suciu 24:dae7123d432a 19 * - Redistributions of source code must retain the above copyright
Adrian Suciu 24:dae7123d432a 20 * notice, this list of conditions and the following disclaimer.
Adrian Suciu 24:dae7123d432a 21 * - Redistributions in binary form must reproduce the above copyright
Adrian Suciu 24:dae7123d432a 22 * notice, this list of conditions and the following disclaimer in
Adrian Suciu 24:dae7123d432a 23 * the documentation and/or other materials provided with the
Adrian Suciu 24:dae7123d432a 24 * distribution.
Adrian Suciu 24:dae7123d432a 25 * - Neither the name of Analog Devices, Inc. nor the names of its
Adrian Suciu 24:dae7123d432a 26 * contributors may be used to endorse or promote products derived
Adrian Suciu 24:dae7123d432a 27 * from this software without specific prior written permission.
Adrian Suciu 24:dae7123d432a 28 * - The use of this software may or may not infringe the patent rights
Adrian Suciu 24:dae7123d432a 29 * of one or more patent holders. This license does not release you
Adrian Suciu 24:dae7123d432a 30 * from the requirement that you obtain separate licenses from these
Adrian Suciu 24:dae7123d432a 31 * patent holders to use this software.
Adrian Suciu 24:dae7123d432a 32 * - Use of the software either in source or binary form, must be run
Adrian Suciu 24:dae7123d432a 33 * on or directly connected to an Analog Devices Inc. component.
Adrian Suciu 24:dae7123d432a 34 *
Adrian Suciu 24:dae7123d432a 35 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
Adrian Suciu 24:dae7123d432a 36 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
Adrian Suciu 24:dae7123d432a 37 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Adrian Suciu 24:dae7123d432a 38 * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
Adrian Suciu 24:dae7123d432a 39 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Adrian Suciu 24:dae7123d432a 40 * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
Adrian Suciu 24:dae7123d432a 41 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Adrian Suciu 24:dae7123d432a 42 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Adrian Suciu 24:dae7123d432a 43 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Adrian Suciu 24:dae7123d432a 44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Adrian Suciu 24:dae7123d432a 45 *
Adrian Suciu 24:dae7123d432a 46 ********************************************************************************/
Adrian Suciu 24:dae7123d432a 47
Adrian Suciu 24:dae7123d432a 48 #include "EVAL_ADXL362_ARDZ.h"
Adrian Suciu 24:dae7123d432a 49
Adrian Suciu 24:dae7123d432a 50 /**
Adrian Suciu 24:dae7123d432a 51 * Constructor for the EVAL_ADXL362_ARDZ
Adrian Suciu 24:dae7123d432a 52 * @param _lcd reference to an LCD object
Adrian Suciu 24:dae7123d432a 53 * @param _adxl362 reference to an ADXL362 object
Adrian Suciu 24:dae7123d432a 54 */
Adrian Suciu 24:dae7123d432a 55 EVAL_ADXL362_ARDZ::EVAL_ADXL362_ARDZ(Lcd& _lcd, ADXL362& _adxl362) : lcd(_lcd) , adxl362(_adxl362)
Adrian Suciu 24:dae7123d432a 56 {
Adrian Suciu 24:dae7123d432a 57 _x_axis_data = 0;
Adrian Suciu 24:dae7123d432a 58 _y_axis_data = 0;
Adrian Suciu 24:dae7123d432a 59 _z_axis_data = 0;
Adrian Suciu 24:dae7123d432a 60 _t_data = 0;
Adrian Suciu 24:dae7123d432a 61 _lcd_on = 0;
Adrian Suciu 24:dae7123d432a 62 }
Adrian Suciu 24:dae7123d432a 63
Adrian Suciu 24:dae7123d432a 64 /**
Adrian Suciu 24:dae7123d432a 65 * Initial setup of the LCD
Adrian Suciu 24:dae7123d432a 66 */
Adrian Suciu 24:dae7123d432a 67 void EVAL_ADXL362_ARDZ::LCD_setup()
Adrian Suciu 24:dae7123d432a 68 {
Adrian Suciu 24:dae7123d432a 69 lcd.init();
Adrian Suciu 24:dae7123d432a 70 }
Adrian Suciu 24:dae7123d432a 71
Adrian Suciu 24:dae7123d432a 72 /**
Adrian Suciu 24:dae7123d432a 73 * Initial setup of the ADXL
Adrian Suciu 24:dae7123d432a 74 */
Adrian Suciu 24:dae7123d432a 75 void EVAL_ADXL362_ARDZ::ADXL_setup()
Adrian Suciu 24:dae7123d432a 76 {
Adrian Suciu 24:dae7123d432a 77 adxl362.reset();
Adrian Suciu 24:dae7123d432a 78 wait_us(500);
Adrian Suciu 24:dae7123d432a 79 adxl362.set_activity_threshold(ACT_VAL);
Adrian Suciu 24:dae7123d432a 80 adxl362.set_activity_time(ACT_TIMER / 10);
Adrian Suciu 24:dae7123d432a 81
Adrian Suciu 24:dae7123d432a 82 adxl362.set_inactivity_threshold(INACT_VAL);
Adrian Suciu 24:dae7123d432a 83 adxl362.set_inactivity_time(INACT_TIMER);
Adrian Suciu 24:dae7123d432a 84 adxl362.set_act_inact_ctl_reg(0x3f);
Adrian Suciu 24:dae7123d432a 85 #if(ADXL_INT_SEL == INTACC_PIN_1)
Adrian Suciu 24:dae7123d432a 86 adxl362.set_polling_interrupt1_pin(D2, 0x40);
Adrian Suciu 24:dae7123d432a 87 #elif(ADXL_INT_SEL == INTACC_PIN_2)
Adrian Suciu 24:dae7123d432a 88 adxl362.set_polling_interrupt2_pin(D2, 0x40); /* Map the awake status to INT2 pin */
Adrian Suciu 24:dae7123d432a 89 #endif
Adrian Suciu 24:dae7123d432a 90 adxl362.set_mode(ADXL362::MEASUREMENT);
Adrian Suciu 24:dae7123d432a 91 _lcd_on = 0;
Adrian Suciu 24:dae7123d432a 92
Adrian Suciu 24:dae7123d432a 93 }
Adrian Suciu 24:dae7123d432a 94
Adrian Suciu 24:dae7123d432a 95 /**
Adrian Suciu 24:dae7123d432a 96 * Method used to scan the ADXL axis data to the internal members
Adrian Suciu 24:dae7123d432a 97 */
Adrian Suciu 24:dae7123d432a 98 void EVAL_ADXL362_ARDZ::ADXL_scan_xyzt()
Adrian Suciu 24:dae7123d432a 99 {
Adrian Suciu 24:dae7123d432a 100 uint64_t acc = adxl362.scan();
Adrian Suciu 24:dae7123d432a 101 _x_axis_data = static_cast<uint16_t>((acc & 0xffff000000000000) >> 48);
Adrian Suciu 24:dae7123d432a 102 _y_axis_data = static_cast<uint16_t>((acc & 0x0000ffff00000000) >> 32);
Adrian Suciu 24:dae7123d432a 103 _z_axis_data = static_cast<uint16_t>((acc & 0x00000000ffff0000) >> 16);
Adrian Suciu 24:dae7123d432a 104 _t_data = static_cast<uint16_t> (acc & 0x000000000000ffff);
Adrian Suciu 24:dae7123d432a 105 }
Adrian Suciu 24:dae7123d432a 106
Adrian Suciu 24:dae7123d432a 107 /**
Adrian Suciu 24:dae7123d432a 108 * Gets the status of the interrupt
Adrian Suciu 24:dae7123d432a 109 * @return true if interrupt is active
Adrian Suciu 24:dae7123d432a 110 */
Adrian Suciu 24:dae7123d432a 111 bool EVAL_ADXL362_ARDZ::ADXL_get_int()
Adrian Suciu 24:dae7123d432a 112 {
Adrian Suciu 24:dae7123d432a 113 #if(ADXL_INT_SEL == INTACC_PIN_1)
Adrian Suciu 24:dae7123d432a 114 return adxl362.get_int1();
Adrian Suciu 24:dae7123d432a 115 #elif(ADXL_INT_SEL == INTACC_PIN_2)
Adrian Suciu 24:dae7123d432a 116 return adxl362.get_int2();
Adrian Suciu 24:dae7123d432a 117 #endif
Adrian Suciu 24:dae7123d432a 118 return false;
Adrian Suciu 24:dae7123d432a 119 }
Adrian Suciu 24:dae7123d432a 120
Adrian Suciu 24:dae7123d432a 121 /**
Adrian Suciu 24:dae7123d432a 122 * Displays numeric values on the LCD
Adrian Suciu 24:dae7123d432a 123 */
Adrian Suciu 24:dae7123d432a 124 void EVAL_ADXL362_ARDZ::LCD_display_values()
Adrian Suciu 24:dae7123d432a 125 {
Adrian Suciu 24:dae7123d432a 126 uint8_t string[22];
Adrian Suciu 24:dae7123d432a 127 sprintf((char *) string, "x = % 5d", _x_axis_data);
Adrian Suciu 24:dae7123d432a 128 lcd.display_string(0, 0, (int8_t *) string);
Adrian Suciu 24:dae7123d432a 129
Adrian Suciu 24:dae7123d432a 130 sprintf((char *) string, "y = % 5d", _y_axis_data);
Adrian Suciu 24:dae7123d432a 131 lcd.display_string(1, 0, (int8_t *) string);
Adrian Suciu 24:dae7123d432a 132
Adrian Suciu 24:dae7123d432a 133 sprintf((char *) string, "z = % 5d", _z_axis_data);
Adrian Suciu 24:dae7123d432a 134 lcd.display_string(2, 0, (int8_t *) string);
Adrian Suciu 24:dae7123d432a 135
Adrian Suciu 24:dae7123d432a 136 #if TEMP_ADC == 1
Adrian Suciu 24:dae7123d432a 137 sprintf((char *)string, "t = % 5d", _t_data);
Adrian Suciu 24:dae7123d432a 138 lcd.display_string(3, 0, (int8_t *)string);
Adrian Suciu 24:dae7123d432a 139 #else
Adrian Suciu 24:dae7123d432a 140 float f32temp = ((float) _t_data + Lcd::ACC_TEMP_BIAS)
Adrian Suciu 24:dae7123d432a 141 / (1 / Lcd::ACC_TEMP_SENSITIVITY); // -34.625
Adrian Suciu 24:dae7123d432a 142 sprintf((char *) string, "t = % 4.1f", f32temp);
Adrian Suciu 24:dae7123d432a 143 lcd.display_string(3, 0, (int8_t *) string);
Adrian Suciu 24:dae7123d432a 144 #endif
Adrian Suciu 24:dae7123d432a 145 }
Adrian Suciu 24:dae7123d432a 146
Adrian Suciu 24:dae7123d432a 147 /**
Adrian Suciu 24:dae7123d432a 148 * Displays the level meter on the LCD
Adrian Suciu 24:dae7123d432a 149 */
Adrian Suciu 24:dae7123d432a 150 void EVAL_ADXL362_ARDZ::LCD_display_level()
Adrian Suciu 24:dae7123d432a 151 {
Adrian Suciu 24:dae7123d432a 152 bool any_direction = false;
Adrian Suciu 24:dae7123d432a 153 lcd.display_symbol(0, Lcd::UP_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 154 lcd.display_symbol(2, Lcd::DOWN_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 155 lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 156 lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 157
Adrian Suciu 24:dae7123d432a 158 if(_x_axis_data > Lcd::ACC_LIMIT) {
Adrian Suciu 24:dae7123d432a 159 lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8Rec8x8);
Adrian Suciu 24:dae7123d432a 160 any_direction = true;
Adrian Suciu 24:dae7123d432a 161 }
Adrian Suciu 24:dae7123d432a 162 if(_x_axis_data < -Lcd::ACC_LIMIT) {
Adrian Suciu 24:dae7123d432a 163 lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8Rec8x8);
Adrian Suciu 24:dae7123d432a 164 any_direction = true;
Adrian Suciu 24:dae7123d432a 165 }
Adrian Suciu 24:dae7123d432a 166 if(_y_axis_data > Lcd::ACC_LIMIT) {
Adrian Suciu 24:dae7123d432a 167 lcd.display_symbol(0, Lcd::DOWN_X, 8, Lcd::pui8Rec8x8);
Adrian Suciu 24:dae7123d432a 168 any_direction = true;
Adrian Suciu 24:dae7123d432a 169 }
Adrian Suciu 24:dae7123d432a 170 if(_y_axis_data < -Lcd::ACC_LIMIT) {
Adrian Suciu 24:dae7123d432a 171 lcd.display_symbol(2, Lcd::UP_X, 8, Lcd::pui8Rec8x8);
Adrian Suciu 24:dae7123d432a 172 any_direction = true;
Adrian Suciu 24:dae7123d432a 173 }
Adrian Suciu 24:dae7123d432a 174 if( any_direction ) lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 175 else lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8Rec8x8);
Adrian Suciu 24:dae7123d432a 176
Adrian Suciu 24:dae7123d432a 177 }
Adrian Suciu 24:dae7123d432a 178
Adrian Suciu 24:dae7123d432a 179 /**
Adrian Suciu 24:dae7123d432a 180 * Turns on the backlight and draws the static data to the LCD
Adrian Suciu 24:dae7123d432a 181 */
Adrian Suciu 24:dae7123d432a 182 void EVAL_ADXL362_ARDZ::LCD_init_display()
Adrian Suciu 24:dae7123d432a 183 {
Adrian Suciu 24:dae7123d432a 184 /* Set BLLCD pin - turn on LCD backlight */
Adrian Suciu 24:dae7123d432a 185 if(_lcd_on == true) return;
Adrian Suciu 24:dae7123d432a 186 lcd.bl_enable();
Adrian Suciu 24:dae7123d432a 187
Adrian Suciu 24:dae7123d432a 188 lcd.display_string(0, 60, (int8_t *) "[mG]");
Adrian Suciu 24:dae7123d432a 189 lcd.display_string(1, 60, (int8_t *) "[mG]");
Adrian Suciu 24:dae7123d432a 190 lcd.display_string(2, 60, (int8_t *) "[mG]");
Adrian Suciu 24:dae7123d432a 191
Adrian Suciu 24:dae7123d432a 192 #if (TEMP_ADC == 1)
Adrian Suciu 24:dae7123d432a 193 lcd.display_string(3, 60, (int8_t *)"[ADC]");
Adrian Suciu 24:dae7123d432a 194 #else
Adrian Suciu 24:dae7123d432a 195 lcd.display_string(3, 60, (int8_t *) "[C]");
Adrian Suciu 24:dae7123d432a 196 #endif
Adrian Suciu 24:dae7123d432a 197
Adrian Suciu 24:dae7123d432a 198 lcd.display_symbol(0, Lcd::UP_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 199 lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 200 lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 201 lcd.display_symbol(2, Lcd::DOWN_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 202 lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8RecInv8x8);
Adrian Suciu 24:dae7123d432a 203 _lcd_on = true;
Adrian Suciu 24:dae7123d432a 204 }
Adrian Suciu 24:dae7123d432a 205
Adrian Suciu 24:dae7123d432a 206 /**
Adrian Suciu 24:dae7123d432a 207 * Turns off the backlight and clears the LCD
Adrian Suciu 24:dae7123d432a 208 */
Adrian Suciu 24:dae7123d432a 209 void EVAL_ADXL362_ARDZ::LCD_deinit_display()
Adrian Suciu 24:dae7123d432a 210 {
Adrian Suciu 24:dae7123d432a 211 if(_lcd_on == false) return;
Adrian Suciu 24:dae7123d432a 212 /* Clear BLLCD pin - turn off LCD backlight */
Adrian Suciu 24:dae7123d432a 213 lcd.bl_disable();
Adrian Suciu 24:dae7123d432a 214
Adrian Suciu 24:dae7123d432a 215 /* Clear screen */
Adrian Suciu 24:dae7123d432a 216 lcd.fill_pages(0, 4, 0x00);
Adrian Suciu 24:dae7123d432a 217 _lcd_on = false;
Adrian Suciu 24:dae7123d432a 218 }
Adrian Suciu 24:dae7123d432a 219
Adrian Suciu 24:dae7123d432a 220