ShockDetect.ino

/*
 * Copyright (c) 2016 Intel Corporation.  All rights reserved.
 * See the bottom of this file for the license terms.
 */

/*
   This sketch example demonstrates how the BMI160 accelerometer on the
   Intel(R) Curie(TM) module can be used to detect shocks or sudden movements
*/

#include "CurieIMU.h"

bool blinkState = false;          // state of the LED

void setup() {
  Serial.begin(9600); // initialize Serial communication
  while(!Serial) ;    // wait for serial port to connect..
  /* Initialise the IMU */
  CurieIMU.begin();
  CurieIMU.attachInterrupt(eventCallback);

  /* Enable Shock Detection */
  CurieIMU.setDetectionThreshold(CURIE_IMU_SHOCK, 1500); // 1.5g = 1500 mg
  CurieIMU.setDetectionDuration(CURIE_IMU_SHOCK, 50);   // 50ms
  CurieIMU.interrupts(CURIE_IMU_SHOCK);

  Serial.println("IMU initialisation complete, waiting for events...");
}

void loop() {
  // blink the LED in the main loop:
  digitalWrite(13, blinkState);
  blinkState = !blinkState;
  delay(1000);
}


static void eventCallback(void)
{
  if (CurieIMU.getInterruptStatus(CURIE_IMU_SHOCK)) {
    if (CurieIMU.shockDetected(X_AXIS, POSITIVE))
      Serial.println("Negative shock detected on X-axis");
    if (CurieIMU.shockDetected(X_AXIS, NEGATIVE))
      Serial.println("Positive shock detected on X-axis");
    if (CurieIMU.shockDetected(Y_AXIS, POSITIVE))
      Serial.println("Negative shock detected on Y-axis");
    if (CurieIMU.shockDetected(Y_AXIS, NEGATIVE))
      Serial.println("Positive shock detected on Y-axis");
    if (CurieIMU.shockDetected(Z_AXIS, POSITIVE))
      Serial.println("Negative shock detected on Z-axis");
    if (CurieIMU.shockDetected(Z_AXIS, NEGATIVE))
      Serial.println("Positive shock detected on Z-axis");
  }
}

/*
   Copyright (c) 2016 Intel Corporation.  All rights reserved.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

*/