arduinoVFS

gyroPixelsCombo

/**************************************************************************/
/*!
    @file     Adafruit_MMA8451.h
    @author   K. Townsend (Adafruit Industries)
    @license  BSD (see license.txt)

    This is an example for the Adafruit MMA8451 Accel breakout board
    ----> https://www.adafruit.com/products/2019

    Adafruit invests time and resources providing this open source code,
    please support Adafruit and open-source hardware by purchasing
    products from Adafruit!

    @section  HISTORY

    v1.0  - First release
*/
/**************************************************************************/

// Include libraries

// Gyro
#include <Wire.h>
#include <Adafruit_MMA8451.h>
#include <Adafruit_Sensor.h>

// NeoPixel
#include <Adafruit_NeoPixel.h>
#include <avr/power.h>

// CONSTANTS:
#define PIN            6
#define NUMPIXELS      12  // How many NeoPixels are attached to the Arduino?

// Variables
Adafruit_MMA8451 mma = Adafruit_MMA8451();
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
int delayval = 500; // delay for half a second

// Only runs one
void setup(void) {
  // This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
#if defined (__AVR_ATtiny85__)
  if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
#endif

  Serial.begin(9600);

  Serial.println("Adafruit MMA8451 test!");


  if (! mma.begin()) {
    Serial.println("Couldnt start");
    while (1);
  }
  Serial.println("MMA8451 found!");

  mma.setRange(MMA8451_RANGE_2_G); // Gyro range in meters/sec

  Serial.print("Range = "); Serial.print(2 << mma.getRange());
  Serial.println("G");
  
  // Initialize our pixels
  pixels.begin(); // This initializes the NeoPixel library.


}

void loop() {
   // For a set of NeoPixels the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one.

  for (int i = 0; i < NUMPIXELS; i++) {
    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(i*20, 255-i*20, 0)); // Moderately bright green color.
  }

  pixels.show(); // This sends the updated pixel color to the hardware.

  delay(delayval); // Delay for a period of time (in milliseconds).

  for (int i = 0; i < NUMPIXELS; i++) {
    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(0, 0, 0)); // Moderately bright green color.
  }
  pixels.show();
  delay(delayval);
  
  // Read the 'raw' data in 14-bit counts
  mma.read();

  /* Get a new sensor event */
  sensors_event_t event;
  mma.getEvent(&event);

  /* Display the results (acceleration is measured in m/s^2) */
  // Values range from -2 to 2
  /*
    Serial.print("X: \t"); Serial.print(event.acceleration.x); Serial.print("\t");
    Serial.print("Y: \t"); Serial.print(event.acceleration.y); Serial.print("\t");
    Serial.print("Z: \t"); Serial.print(event.acceleration.z); Serial.print("\t");
    Serial.println("m/s^2 ");
    */

  /* Get the orientation of the sensor */
  uint8_t o = mma.getOrientation();

  switch (o) {
    case MMA8451_PL_PUF:
      Serial.println("Portrait Up Front");
      break;
    case MMA8451_PL_PUB:
      Serial.println("Portrait Up Back");
      break;
    case MMA8451_PL_PDF:
      Serial.println("Portrait Down Front");
      break;
    case MMA8451_PL_PDB:
      Serial.println("Portrait Down Back");
      break;
    case MMA8451_PL_LRF:
      Serial.println("Landscape Right Front");
      break;
    case MMA8451_PL_LRB:
      Serial.println("Landscape Right Back");
      break;
    case MMA8451_PL_LLF:
      Serial.println("Landscape Left Front");
      break;
    case MMA8451_PL_LLB:
      Serial.println("Landscape Left Back");
      break;
  }
  Serial.println();
  delay(500);

}