Merge pull request #2182 from ladyada/main

neokey demo

Factory_Tests/NeoKey_Trinkey_FactoryTest/NeoKey_Trinkey_FactoryTest.ino

@@ -0,0 +1,84 @@
+// SPDX-FileCopyrightText: 2022 Limor Fried for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+#include <Adafruit_NeoPixel.h>
+#include "Adafruit_FreeTouch.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);
+
+// Create the touch pad
+Adafruit_FreeTouch qt = Adafruit_FreeTouch(PIN_TOUCH, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);
+
+int16_t neo_brightness = 255; // initialize with 20 brightness (out of 255)
+
+bool last_switch = true;
+
+void setup() {
+  Serial.begin(9600);
+  //while (!Serial);
+  strip.begin();
+  strip.setBrightness(neo_brightness);
+  strip.show(); // Initialize all pixels to 'off'
+
+  if (! qt.begin())  
+    Serial.println("Failed to begin qt");
+
+  pinMode(PIN_SWITCH, INPUT_PULLDOWN);
+
+  // Sends a clean report to the host. This is important on any Arduino type.
+  Consumer.begin();
+}
+
+uint8_t j=0;
+void loop() {
+  // measure the captouches
+  uint16_t touch = qt.measure();
+  // don't print touch data constantly, only every 10 runs  
+  if (j % 10 == 0) {
+    Serial.print("Touch: "); Serial.println(touch);
+  }
+  
+  // If the pad is touched, turn on neopix!
+  if (touch > 500) {
+    Serial.println("Touched!");
+    //strip.setBrightness(neo_brightness);
+  } else {
+    //strip.setBrightness(0);
+  }
+
+  // check mechswitch
+  bool curr_switch = digitalRead(PIN_SWITCH);
+  if (curr_switch != last_switch) {
+    if (curr_switch) {
+      Serial.println("Pressed");
+      Consumer.write(MEDIA_PLAY_PAUSE);
+    } else {
+      Serial.println("Released");
+    }
+    last_switch = curr_switch;
+  }
+
+  
+  // cycles of all colors on wheel, only visible if cap it touched
+  strip.setPixelColor(0, Wheel(j++));
+  strip.show();
+
+  delay(10);
+}
+
+// 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);
+  }
+}