Merge pull request #1561 from kattni/rotary-trinkey

Adding Rotary Trinkey examples.

Author: ladyada

Rotary_Trinkey/Arduino_NeoPixel_Example/.rotarytrinkey_m0.test.only

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+#include <Adafruit_NeoPixel.h>
+#include "Adafruit_FreeTouch.h"
+#include <RotaryEncoder.h>
+
+// Create the neopixel strip with the built in definitions NUM_NEOPIXEL and PIN_NEOPIXEL
+Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_NEOPIXEL, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
+int16_t neo_brightness = 20; // initialize with 20 brightness (out of 255)
+
+RotaryEncoder encoder(PIN_ENCODER_A, PIN_ENCODER_B, RotaryEncoder::LatchMode::FOUR3);
+// This interrupt will do our encoder reading/checking!
+void checkPosition() {
+  encoder.tick(); // just call tick() to check the state.
+}
+
+uint8_t wheel_offset = 99;
+int last_rotary = 0;
+
+void setup() {
+  Serial.begin(115200);
+  //while (!Serial);
+
+  // start neopixels
+  strip.begin();
+  strip.setBrightness(neo_brightness);
+  strip.show(); // Initialize all pixels to 'off'
+
+  attachInterrupt(PIN_ENCODER_A, checkPosition, CHANGE);
+  attachInterrupt(PIN_ENCODER_B, checkPosition, CHANGE);
+  
+  // set up the encoder switch, which is separate from the encoder
+  pinMode(PIN_ENCODER_SWITCH, INPUT_PULLDOWN);
+}
+
+
+void loop() {
+  // read encoder
+  int curr_rotary = encoder.getPosition();
+  RotaryEncoder::Direction direction = encoder.getDirection();
+  
+  if (curr_rotary != last_rotary) {
+    Serial.print("Encoder value: ");
+    Serial.print(curr_rotary);
+    Serial.print(" direction: ");
+    Serial.print((int)direction);
+
+    // behavior differs if switch is pressed
+    if (!digitalRead(PIN_ENCODER_SWITCH)) {
+      // update color
+      if (direction == RotaryEncoder::Direction::CLOCKWISE) {
+        wheel_offset++;
+      }
+      if (direction == RotaryEncoder::Direction::COUNTERCLOCKWISE) {
+        wheel_offset--;
+      }
+    } else {
+      // update brightness
+      if (direction == RotaryEncoder::Direction::CLOCKWISE) {
+        neo_brightness += 10;
+      }
+      if (direction == RotaryEncoder::Direction::COUNTERCLOCKWISE) {
+        neo_brightness -= 10;
+      }
+      // ranges between 0 and 255
+      if (neo_brightness > 255) neo_brightness = 255;
+      if (neo_brightness < 0) neo_brightness = 0;
+    }
+    Serial.print(" wheel color: ");
+    Serial.print(wheel_offset);
+    Serial.print(" brightness: ");
+    Serial.println(neo_brightness);
+
+    last_rotary = curr_rotary;
+
+    // update pixels!
+    strip.setBrightness(neo_brightness);
+    strip.setPixelColor(0, Wheel(wheel_offset));
+    strip.show();
+  }
+}
+
+// Input a value 0 to 255 to get a color value.
+// The colours are a transition r - g - b - back to r.
+uint32_t Wheel(byte WheelPos) {
+  if(WheelPos < 85) {
+   return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
+  } else if(WheelPos < 170) {
+   WheelPos -= 85;
+   return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
+  } else {
+   WheelPos -= 170;
+   return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
+  }
+}

Rotary_Trinkey/Arduino_NeoPixel_Example/neopixel_encoder_demo.ino

@@ -0,0 +1,77 @@
+#include <Adafruit_NeoPixel.h>
+#include <RotaryEncoder.h>
+#include "HID-Project.h"  // https://github.com/NicoHood/HID
+
+// Create the neopixel strip with the built in definitions NUM_NEOPIXEL and PIN_NEOPIXEL
+Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_NEOPIXEL, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
+int16_t neo_brightness = 20; // initialize with 20 brightness (out of 255)
+
+RotaryEncoder encoder(PIN_ENCODER_A, PIN_ENCODER_B, RotaryEncoder::LatchMode::FOUR3);
+// This interrupt will do our encoder reading/checking!
+void checkPosition() {
+  encoder.tick(); // just call tick() to check the state.
+}
+
+int last_rotary = 0;
+bool last_button = false;
+
+void setup() {
+  Serial.begin(115200);
+  //while (!Serial);
+  delay(100);
+  
+  Serial.println("Rotary Trinkey Surface Dial");
+  
+  // start neopixels
+  strip.begin();
+  strip.setBrightness(neo_brightness);
+  strip.show(); // Initialize all pixels to 'off'
+
+  attachInterrupt(PIN_ENCODER_A, checkPosition, CHANGE);
+  attachInterrupt(PIN_ENCODER_B, checkPosition, CHANGE);
+  
+  // set up the encoder switch, which is separate from the encoder
+  pinMode(PIN_ENCODER_SWITCH, INPUT_PULLDOWN);
+
+  // Sends a clean report to the host. This is important on any Arduino type.
+  SurfaceDial.begin();
+}
+
+
+void loop() {
+  // read encoder
+  int curr_rotary = encoder.getPosition();
+  RotaryEncoder::Direction direction = encoder.getDirection();
+  // read switch
+  bool curr_button = !digitalRead(PIN_ENCODER_SWITCH);
+  
+  if (direction != RotaryEncoder::Direction::NOROTATION) {
+    Serial.print("Encoder value: ");
+    Serial.print(curr_rotary);
+    Serial.print(" direction: ");
+    Serial.print((int)direction);
+
+    if (direction == RotaryEncoder::Direction::CLOCKWISE) {
+      Serial.println(" Rotate+");
+      SurfaceDial.rotate(40);
+    }
+    if (direction == RotaryEncoder::Direction::COUNTERCLOCKWISE) {
+      Serial.println(" Rotate-");
+      SurfaceDial.rotate(-40);
+    }
+
+    last_rotary = curr_rotary;
+  }
+
+  if (curr_button && !last_button) { // switch pressed!
+    Serial.println("Press");
+    SurfaceDial.press();
+  }
+  if (!curr_button && last_button) { // switch released!
+    Serial.println("Release");
+    SurfaceDial.release();
+  }
+  last_button = curr_button;
+
+  delay(10); // debounce
+}

Rotary_Trinkey/Arduino_SurfaceDial_Example/.rotarytrinkey_m0.test.only

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+#include <Adafruit_NeoPixel.h>
+#include <RotaryEncoder.h>
+#include "HID-Project.h"  // https://github.com/NicoHood/HID
+
+// Create the neopixel strip with the built in definitions NUM_NEOPIXEL and PIN_NEOPIXEL
+Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_NEOPIXEL, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
+int16_t neo_brightness = 20; // initialize with 20 brightness (out of 255)
+
+RotaryEncoder encoder(PIN_ENCODER_A, PIN_ENCODER_B, RotaryEncoder::LatchMode::FOUR3);
+// This interrupt will do our encoder reading/checking!
+void checkPosition() {
+  encoder.tick(); // just call tick() to check the state.
+}
+
+int last_rotary = 0;
+bool last_button = false;
+
+void setup() {
+  Serial.begin(115200);
+  //while (!Serial);
+  delay(100);
+  
+  Serial.println("Rotary Trinkey Volume Knob");
+  
+  // start neopixels
+  strip.begin();
+  strip.setBrightness(neo_brightness);
+  strip.show(); // Initialize all pixels to 'off'
+
+  attachInterrupt(PIN_ENCODER_A, checkPosition, CHANGE);
+  attachInterrupt(PIN_ENCODER_B, checkPosition, CHANGE);
+  
+  // set up the encoder switch, which is separate from the encoder
+  pinMode(PIN_ENCODER_SWITCH, INPUT_PULLDOWN);
+
+  // Sends a clean report to the host. This is important on any Arduino type.
+  Consumer.begin();
+}
+
+
+void loop() {
+  // read encoder
+  int curr_rotary = encoder.getPosition();
+  RotaryEncoder::Direction direction = encoder.getDirection();
+  // read switch
+  bool curr_button = !digitalRead(PIN_ENCODER_SWITCH);
+  
+  if (direction != RotaryEncoder::Direction::NOROTATION) {
+    Serial.print("Encoder value: ");
+    Serial.print(curr_rotary);
+    Serial.print(" direction: ");
+    Serial.print((int)direction);
+
+    if (direction == RotaryEncoder::Direction::CLOCKWISE) {
+      Serial.println(" Vol +");
+      Consumer.write(MEDIA_VOLUME_UP);
+    }
+    if (direction == RotaryEncoder::Direction::COUNTERCLOCKWISE) {
+      Serial.println(" Vol -");
+      Consumer.write(MEDIA_VOLUME_DOWN);
+    }
+
+    last_rotary = curr_rotary;
+  }
+
+  if (curr_button && !last_button) { // switch pressed!
+    Serial.println("Play/Pause");
+    Consumer.write(MEDIA_PLAY_PAUSE);
+  }
+  last_button = curr_button;
+
+  delay(10); // debounce
+}

Rotary_Trinkey/Arduino_SurfaceDial_Example/surfacedial_encoder_demo.ino

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+"""Rotary Trinkey NeoPixel color picker example"""
+import rotaryio
+import digitalio
+import board
+import neopixel
+import _pixelbuf
+
+print("Rotary Trinkey color picker example")
+
+pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.5)
+encoder = rotaryio.IncrementalEncoder(board.ROTA, board.ROTB)
+switch = digitalio.DigitalInOut(board.SWITCH)
+switch.switch_to_input(pull=digitalio.Pull.DOWN)
+
+last_position = -1
+color = 0  # start at red
+while True:
+    position = encoder.position
+    if last_position is None or position != last_position:
+        print(position)
+        if not switch.value:
+            # change the color
+            if position > last_position:  # increase
+                color += 1
+            else:
+                color -= 1
+            color = (color + 256) % 256  # wrap around to 0-256
+            pixel.fill(_pixelbuf.colorwheel(color))
+        else:
+            # change the brightness
+            if position > last_position:  # increase
+                pixel.brightness = min(1.0, pixel.brightness + 0.1)
+            else:
+                pixel.brightness = max(0, pixel.brightness - 0.1)
+    last_position = position

Rotary_Trinkey/Arduino_Volume_Mute_Example/.rotarytrinkey_m0.test.only

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+"""Rotary Trinkey Volume and Mute HID example"""
+import rotaryio
+import board
+import usb_hid
+import digitalio
+from adafruit_hid.consumer_control import ConsumerControl
+from adafruit_hid.consumer_control_code import ConsumerControlCode
+
+print("Rotary Trinkey volume and mute example")
+
+encoder = rotaryio.IncrementalEncoder(board.ROTA, board.ROTB)
+switch = digitalio.DigitalInOut(board.SWITCH)
+switch.switch_to_input(pull=digitalio.Pull.DOWN)
+
+cc = ConsumerControl(usb_hid.devices)
+
+switch_state = None
+last_position = encoder.position
+
+while True:
+    current_position = encoder.position
+    position_change = current_position - last_position
+    if position_change > 0:
+        for _ in range(position_change):
+            cc.send(ConsumerControlCode.VOLUME_INCREMENT)
+        print(current_position)
+    elif position_change < 0:
+        for _ in range(-position_change):
+            cc.send(ConsumerControlCode.VOLUME_DECREMENT)
+        print(current_position)
+    last_position = current_position
+    if not switch.value and switch_state is None:
+        switch_state = "pressed"
+    if switch.value and switch_state == "pressed":
+        print("switch pressed.")
+        cc.send(ConsumerControlCode.PLAY_PAUSE)
+        switch_state = None

Rotary_Trinkey/Arduino_Volume_Mute_Example/volumemute_encoder_demo.ino

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+"""Rotary Trinkey YouTube Frame-by-Frame Example"""
+import time
+import rotaryio
+import board
+import digitalio
+import usb_hid
+from adafruit_hid.keyboard import Keyboard
+from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
+
+print("Rotary Trinkey YouTube Frame-by-Frame example")
+
+encoder = rotaryio.IncrementalEncoder(board.ROTA, board.ROTB)
+switch = digitalio.DigitalInOut(board.SWITCH)
+switch.switch_to_input(pull=digitalio.Pull.DOWN)
+
+time.sleep(1)  # Sleep for a bit to avoid a race condition on some systems
+keyboard = Keyboard(usb_hid.devices)
+keyboard_layout = KeyboardLayoutUS(keyboard)  # We're in the US :)
+
+switch_state = None
+last_position = encoder.position
+
+while True:
+    current_position = encoder.position
+    position_change = current_position - last_position
+    if position_change > 0:
+        for _ in range(position_change):
+            keyboard_layout.write('.')
+        print(current_position)
+    elif position_change < 0:
+        for _ in range(-position_change):
+            keyboard_layout.write(',')
+        print(current_position)
+    last_position = current_position
+    if not switch.value and switch_state is None:
+        switch_state = "pressed"
+    if switch.value and switch_state == "pressed":
+        print("switch pressed.")
+        keyboard_layout.write(' ')
+        switch_state = None