How to do Cat Flap Monitoring with AI

1/* If you want to use NEAI functions please, include NEAI library
2   in your Arduino libraries then, uncomment NEAI parts in the following code
3*/
4
5/* Libraries part */
6#include "Wire.h"
7#include <LIS2DW12Sensor.h>
8
9/* Macros definitions */
10#define SERIAL_BAUD_RATE  115200
11
12/* Sensor data rates.
13   You can choose from the following values for both accel & gyro:
14   12.5f, 25.0f, 50.0f, 100.0f, 200.0f, 400.0f, 800.0f & 1600.0f.
15*/
16#define SENSOR_DATA_RATE	1600.0f
17
18/* Sensor ranges.
19   You can choose from:
20   2, 4, 8 & 16.
21*/
22#define SENSOR_RANGE	4
23
24
25#define SENSOR_SAMPLES	1024
26#define AXIS  3
27
28/* Sensor object declaration using I2C */
29LIS2DW12Sensor Accelero(&Wire);
30
31/* Global variables definitions */
32static uint8_t drdy = 0;
33static uint16_t neai_ptr = 0;
34static int32_t accelerometer[3];
35static float neai_buffer[SENSOR_SAMPLES * AXIS] = {0.0};
36
37
38/* Initialization function: In this function,
39    code runs only once at boot / reset.
40*/
41void setup() {
42  /* Init serial at baud rate 115200 */
43  Serial.begin(SERIAL_BAUD_RATE);
44
45  /* I2C workaround: Sometimes, on some boards,
46     I2C get stuck after software reboot, reset so,
47     to avoid this, we toggle I2C clock pin at boot.
48  */
49  pinMode(SCL, OUTPUT);
50  for (uint8_t i = 0; i < 20; i++) {
51    digitalWrite(SCL, !digitalRead(SCL));
52    delay(1);
53  }
54  delay(100);
55
56  Wire.begin();
57  Accelero.begin();
58  Accelero.Enable_X();
59  Accelero.Set_X_ODR(SENSOR_DATA_RATE);
60  Accelero.Set_X_FS(SENSOR_RANGE);
61}
62
63/* Main function: Code run indefinitely */
64void loop() {
65  /* Get data in the neai buffer */
66  while (neai_ptr < SENSOR_SAMPLES) {
67    /* Check if new data if available */
68    Accelero.ReadReg(LIS2DW12_STATUS, &drdy);
69    if (drdy & 0x01) {
70      /* If new data is available we read it ! */
71      Accelero.Get_X_Axes(accelerometer);
72      /* Fill neai buffer with new accel data */
73      neai_buffer[AXIS * neai_ptr] = (float) accelerometer[0];
74      neai_buffer[(AXIS * neai_ptr) + 1] = (float) accelerometer[1];
75      neai_buffer[(AXIS * neai_ptr) + 2] = (float) accelerometer[2];
76      /* Increment neai pointer */
77      neai_ptr++;
78    }
79  }
80  /* Reset pointer */
81  neai_ptr = 0;
82
83  /* Print the whole buffer to the serial */
84  for (uint16_t i = 0; i < AXIS * SENSOR_SAMPLES; i++) {
85    Serial.print((String)neai_buffer[i] + " ");
86  }
87  Serial.print("\n");
88  // }
89
90  /* Clean neai buffer */
91  memset(neai_buffer, 0.0, AXIS * SENSOR_SAMPLES * sizeof(float));
92}