Arduino 101 CurieIMU Shock Detect

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1/*
2
3 * Copyright (c) 2016 Intel Corporation.  All rights reserved.
4
5 * See the bottom of this file for the license terms.
6
7 */
8
9/*
10
11   This sketch example demonstrates how the BMI160 accelerometer on the
12
13   Intel(R) Curie(TM) module can be used to detect shocks or sudden movements
14
15*/
16
17#include "CurieIMU.h"
18
19bool blinkState = false;          // state of the LED
20
21void setup() {
22
23  Serial.begin(9600); // initialize Serial communication
24
25  while(!Serial) ;    // wait for serial port to connect..
26
27  /* Initialise the IMU */
28
29  CurieIMU.begin();
30
31  CurieIMU.attachInterrupt(eventCallback);
32
33  /* Enable Shock Detection */
34
35  CurieIMU.setDetectionThreshold(CURIE_IMU_SHOCK, 1500); // 1.5g = 1500 mg
36
37  CurieIMU.setDetectionDuration(CURIE_IMU_SHOCK, 50);   // 50ms
38
39  CurieIMU.interrupts(CURIE_IMU_SHOCK);
40
41  Serial.println("IMU initialisation complete, waiting for events...");
42}
43
44void loop() {
45
46  // blink the LED in the main loop:
47
48  digitalWrite(13, blinkState);
49
50  blinkState = !blinkState;
51
52  delay(1000);
53}
54
55static void eventCallback(void)
56{
57
58  if (CurieIMU.getInterruptStatus(CURIE_IMU_SHOCK)) {
59
60    if (CurieIMU.shockDetected(X_AXIS, POSITIVE))
61
62      Serial.println("Negative shock detected on X-axis");
63
64    if (CurieIMU.shockDetected(X_AXIS, NEGATIVE))
65
66      Serial.println("Positive shock detected on X-axis");
67
68    if (CurieIMU.shockDetected(Y_AXIS, POSITIVE))
69
70      Serial.println("Negative shock detected on Y-axis");
71
72    if (CurieIMU.shockDetected(Y_AXIS, NEGATIVE))
73
74      Serial.println("Positive shock detected on Y-axis");
75
76    if (CurieIMU.shockDetected(Z_AXIS, POSITIVE))
77
78      Serial.println("Negative shock detected on Z-axis");
79
80    if (CurieIMU.shockDetected(Z_AXIS, NEGATIVE))
81
82      Serial.println("Positive shock detected on Z-axis");
83
84  }
85}
86
87/*
88
89   Copyright (c) 2016 Intel Corporation.  All rights reserved.
90
91   This library is free software; you can redistribute it and/or
92
93   modify it under the terms of the GNU Lesser General Public
94
95   License as published by the Free Software Foundation; either
96
97   version 2.1 of the License, or (at your option) any later version.
98
99   This library is distributed in the hope that it will be useful,
100
101   but WITHOUT ANY WARRANTY; without even the implied warranty of
102
103   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
104
105   Lesser General Public License for more details.
106
107   You should have received a copy of the GNU Lesser General Public
108
109   License along with this library; if not, write to the Free Software
110
111   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
112
113*/