Ahmsville-Dial

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The library and example code for controlling the Ahmsville dial. Watch Video - https://youtu.be/bklHJ4abZg8

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// repository documentation

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# Ahmsville-Dial
The Ahmsville dial is an Arduino based device inspired by Microsoft’s surface dial, the dial serves as a secondary dial controller for your pc, something you can use in Fusion 360, Solidworks, Premier pro and more. It can also be used for quick launching applications, zooming and scrolling operations in various applications, controlling your systems media/audio, as a color based key to login to your system and more…

# See full project description - https://hackaday.io/project/166688-an-arduino-dial-controller-ahmsville-dial

Dependencies:

1.	https://github.com/ahmsville/Magnetic_rotary_encoding
2.	https://github.com/ahmsville/Advanced_capacitive_touch_detection
3.	https://github.com/arduino-libraries/CapacitiveSensor/zipball/master
4.	https://github.com/FastLED/FastLED

# Sample code:

```C
#include <Ahmsville_dial.h>
#include <FastLED.h>

/*
    upload sketch to the dial to test all its functions.
    ....By Ahmsville...
*/

Ahmsville_dial ahmsville_dial = Ahmsville_dial(); //create a new ahmsville dial instance

/********************************************************************LED CONFIGURATION*****************************************************/
#define DATA_PIN    10
#define LED_TYPE    WS2811
#define COLOR_ORDER GRB
#define NUM_LEDS    4
CRGB leds[NUM_LEDS];

#define BRIGHTNESS         127

uint8_t gHue = 0; // rotating "base color"
int count = 0, touch;

void setup() {
 ahmsville_dial.initialize_ahmsvilleDial(1);   //initialize ahmsville dial
  initializeLED();
}

void loop() {
  rainbow();  // LED animation
  count += ahmsville_dial.knob();  //detecting knob rotations (returns a signed integer in relation to the direction of the rotation)
  touch = ahmsville_dial.capTouch();  //detecting capacitive touch (returns integer 1 - 4 or 0 when no touch is detected)
  Serial.print(count);  //print knob rotation count
  Serial.print("\t");
  if (touch == 1) {  //print "singletap" if touch type is 1
    Serial.println("singletap");
    delay(1000);
  }
  else if (touch == 2) { //print "doubletap" if touch type is 2
    Serial.println("doubletap");
    delay(1000);
  }
  else if (touch == 3) {  //print "shortpress" if touch type is 3
    Serial.println("shortpress");
    delay(1000);
  }
  else if (touch == 4) { //print "longpress" if touch type is 4
    Serial.println("longpress");
    delay(1000);
  }
  else if (touch == 0) { //print "no input" if touch type is 0
    Serial.println("No input");
  }
  ahmsville_dial.normalize(1);

}

/********************************************************************LED SETTINGS/ANIMATION*************************************************/

void initializeLED() {
  // tell FastLED about the LED strip configuration
  FastLED.addLeds<LED_TYPE, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  // set master brightness control
  FastLED.setBrightness(BRIGHTNESS);
}

void rainbow() {
  EVERY_N_MILLISECONDS( 20 ) {  //frames/milliseconds delay
    // FastLED's built-in rainbow generator
    fill_rainbow( leds, NUM_LEDS, gHue, 10);
    // send the 'leds' array out to the actual LED strip
    FastLED.show();
  }
  EVERY_N_MILLISECONDS( 30 ) {
    gHue++;  // slowly cycle the "base color" through the rainbow
  }
}

```

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