Diff: EVAL_ADXL362_ARDZ.cpp

Revision:

0:689a0bf410c3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EVAL_ADXL362_ARDZ.cpp	Wed May 18 15:19:27 2016 +0000
@@ -0,0 +1,220 @@
+/**
+ *   @file     EVAL_ADXL362_ARDZ.cpp
+ *   @brief    Source file for the EVAL-ADXL362-ARDZ board
+ *   @author   Analog Devices Inc.
+ *
+ * For support please go to:
+ * Github: https://github.com/analogdevicesinc/mbed-adi
+ * Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers
+ * Product: www.analog.com/EVAL-ADXL362-ARDZ
+ * More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all
+
+ ********************************************************************************
+ * Copyright 2016(c) Analog Devices, Inc.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  - Neither the name of Analog Devices, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *  - The use of this software may or may not infringe the patent rights
+ *    of one or more patent holders.  This license does not release you
+ *    from the requirement that you obtain separate licenses from these
+ *    patent holders to use this software.
+ *  - Use of the software either in source or binary form, must be run
+ *    on or directly connected to an Analog Devices Inc. component.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ********************************************************************************/
+
+#include "EVAL_ADXL362_ARDZ.h"
+
+/**
+ * Constructor for the  EVAL_ADXL362_ARDZ
+ * @param _lcd reference to an LCD object
+ * @param _adxl362 reference to an ADXL362 object
+ */
+EVAL_ADXL362_ARDZ::EVAL_ADXL362_ARDZ(Lcd& _lcd, ADXL362& _adxl362) : lcd(_lcd) , adxl362(_adxl362)
+{
+    _x_axis_data = 0;
+    _y_axis_data = 0;
+    _z_axis_data = 0;
+    _t_data = 0;
+    _lcd_on = 0;
+}
+
+/**
+ * Initial setup of the LCD
+ */
+void EVAL_ADXL362_ARDZ::LCD_setup()
+{
+    lcd.init();
+}
+
+/**
+ * Initial setup of the ADXL
+ */
+void EVAL_ADXL362_ARDZ::ADXL_setup()
+{
+    adxl362.reset();
+    wait_us(500);
+    adxl362.set_activity_threshold(ACT_VAL);
+    adxl362.set_activity_time(ACT_TIMER / 10);
+
+    adxl362.set_inactivity_threshold(INACT_VAL);
+    adxl362.set_inactivity_time(INACT_TIMER);
+    adxl362.set_act_inact_ctl_reg(0x3f);
+#if(ADXL_INT_SEL == INTACC_PIN_1)
+    adxl362.set_polling_interrupt1_pin(D2, 0x40);
+#elif(ADXL_INT_SEL == INTACC_PIN_2)
+    adxl362.set_polling_interrupt2_pin(D2, 0x40); /* Map the awake status to INT2 pin */
+#endif
+    adxl362.set_mode(ADXL362::MEASUREMENT);
+    _lcd_on = 0;
+
+}
+
+/**
+ * Method used to scan the ADXL axis data to the internal members
+ */
+void EVAL_ADXL362_ARDZ::ADXL_scan_xyzt()
+{
+    uint64_t acc = adxl362.scan();
+    _x_axis_data = static_cast<uint16_t>((acc & 0xffff000000000000) >> 48);
+    _y_axis_data = static_cast<uint16_t>((acc & 0x0000ffff00000000) >> 32);
+    _z_axis_data = static_cast<uint16_t>((acc & 0x00000000ffff0000) >> 16);
+    _t_data = static_cast<uint16_t> (acc & 0x000000000000ffff);
+}
+
+/**
+ * Gets the status of the interrupt
+ * @return true if interrupt is active
+ */
+bool EVAL_ADXL362_ARDZ::ADXL_get_int()
+{
+#if(ADXL_INT_SEL == INTACC_PIN_1)
+    return adxl362.get_int1();
+#elif(ADXL_INT_SEL == INTACC_PIN_2)
+    return adxl362.get_int2();
+#endif
+    return false;
+}
+
+/**
+ * Displays numeric values on the LCD
+ */
+void EVAL_ADXL362_ARDZ::LCD_display_values()
+{
+    uint8_t string[22];
+    sprintf((char *) string, "x = % 5d", _x_axis_data);
+    lcd.display_string(0, 0, (int8_t *) string);
+
+    sprintf((char *) string, "y = % 5d", _y_axis_data);
+    lcd.display_string(1, 0, (int8_t *) string);
+
+    sprintf((char *) string, "z = % 5d", _z_axis_data);
+    lcd.display_string(2, 0, (int8_t *) string);
+
+#if TEMP_ADC == 1
+    sprintf((char *)string, "t = % 5d", _t_data);
+    lcd.display_string(3, 0, (int8_t *)string);
+#else
+    float f32temp = ((float) _t_data + Lcd::ACC_TEMP_BIAS)
+                    / (1 / Lcd::ACC_TEMP_SENSITIVITY);   // -34.625
+    sprintf((char *) string, "t = % 4.1f", f32temp);
+    lcd.display_string(3, 0, (int8_t *) string);
+#endif
+}
+
+/**
+ * Displays the level meter on the LCD
+ */
+void EVAL_ADXL362_ARDZ::LCD_display_level()
+{
+    bool any_direction = false;
+    lcd.display_symbol(0, Lcd::UP_X, 8, Lcd::pui8RecInv8x8);
+    lcd.display_symbol(2, Lcd::DOWN_X, 8, Lcd::pui8RecInv8x8);
+    lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8RecInv8x8);
+    lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8RecInv8x8);
+
+    if(_x_axis_data >  Lcd::ACC_LIMIT) {
+        lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8Rec8x8);
+        any_direction = true;
+    }
+    if(_x_axis_data < -Lcd::ACC_LIMIT) {
+        lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8Rec8x8);
+        any_direction = true;
+    }
+    if(_y_axis_data >  Lcd::ACC_LIMIT) {
+        lcd.display_symbol(0, Lcd::DOWN_X, 8, Lcd::pui8Rec8x8);
+        any_direction = true;
+    }
+    if(_y_axis_data < -Lcd::ACC_LIMIT) {
+        lcd.display_symbol(2, Lcd::UP_X, 8, Lcd::pui8Rec8x8);
+        any_direction = true;
+    }
+    if( any_direction ) lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8RecInv8x8);
+    else lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8Rec8x8);
+
+}
+
+/**
+ * Turns on the backlight and draws the static data to the LCD
+ */
+void EVAL_ADXL362_ARDZ::LCD_init_display()
+{
+    /* Set BLLCD pin - turn on LCD backlight */
+    if(_lcd_on == true) return;
+    lcd.bl_enable();
+
+    lcd.display_string(0, 60, (int8_t *) "[mG]");
+    lcd.display_string(1, 60, (int8_t *) "[mG]");
+    lcd.display_string(2, 60, (int8_t *) "[mG]");
+
+#if (TEMP_ADC == 1)
+    lcd.display_string(3, 60, (int8_t *)"[ADC]");
+#else
+    lcd.display_string(3, 60, (int8_t *) "[C]");
+#endif
+
+    lcd.display_symbol(0, Lcd::UP_X, 8, Lcd::pui8RecInv8x8);
+    lcd.display_symbol(1, Lcd::LEFT_X, 8, Lcd::pui8RecInv8x8);
+    lcd.display_symbol(1, Lcd::RIGHT_X, 8, Lcd::pui8RecInv8x8);
+    lcd.display_symbol(2, Lcd::DOWN_X, 8, Lcd::pui8RecInv8x8);
+    lcd.display_symbol(1, Lcd::CENTER_X, 8, Lcd::pui8RecInv8x8);
+    _lcd_on = true;
+}
+
+/**
+ * Turns off the backlight and clears the LCD
+ */
+void EVAL_ADXL362_ARDZ::LCD_deinit_display()
+{
+    if(_lcd_on == false) return;
+    /* Clear BLLCD pin - turn off LCD backlight */
+    lcd.bl_disable();
+
+    /* Clear screen */
+    lcd.fill_pages(0, 4, 0x00);
+    _lcd_on = false;
+}
+
+