Added RawHID Hyperion Paintpack example

examples/RawHIDPaintpack/RawHIDPaintpack.ino

@@ -0,0 +1,92 @@
+/*
+  Copyright (c) 2014-2015 NicoHood
+  See the readme for credit to other people.
+
+  RawHIDPaintpack example
+
+  Shows how to use RawHID with the Hyperion Lightpack device.
+  https://github.com/tvdzwan/hyperion/wiki
+  https://github.com/FastLED/FastLED
+
+  See HID Project documentation for more information.
+  https://github.com/NicoHood/HID/wiki/RawHID-API
+  https://github.com/NicoHood/HID/wiki/Keyboard-API#boot-keyboard
+*/
+
+#include "HID-Project.h"
+
+const int pinLed = LED_BUILTIN;
+
+
+// FastLED
+#include "FastLED.h"
+
+#define LED_PINS    MOSI, SCK // DATA_PIN, or DATA_PIN, CLOCK_PIN
+#define COLOR_ORDER RGB
+#define CHIPSET     WS2801 // WS2811, LPD8806, etc
+#define NUM_LEDS    25
+
+#define BRIGHTNESS  255  // Reduce power consumption
+#define LED_DITHER  255  // Try 0 to disable flickering
+#define CORRECTION  TypicalLEDStrip
+
+CRGB leds[NUM_LEDS]; // Define the array of leds
+uint8_t rawhidData[sizeof(leds) + 2];
+
+void setup() {
+  // FastLED setup
+  FastLED.addLeds<CHIPSET, LED_PINS, COLOR_ORDER>(leds, NUM_LEDS).setCorrection(CORRECTION);
+  FastLED.setBrightness(BRIGHTNESS);
+  FastLED.setDither(LED_DITHER);
+
+  // Startup animation
+  fill_solid(leds, NUM_LEDS, CRGB::Red);
+  FastLED.show();
+  delay(500);
+  fill_solid(leds, NUM_LEDS, CRGB::Green);
+  FastLED.show();
+  delay(500);
+  fill_solid(leds, NUM_LEDS, CRGB::Blue);
+  FastLED.show();
+  delay(500);
+  FastLED.clear();
+  FastLED.show();
+
+  pinMode(pinLed, OUTPUT);
+
+  // Set the RawHID OUT report array.
+  // Feature reports are also (parallel) possible, see the other example for this.
+  RawHID.begin(rawhidData, sizeof(rawhidData));
+}
+
+void loop() {
+  // Check if there is new data from the RawHID device
+  auto bytesAvailable = RawHID.available();
+  if (bytesAvailable == sizeof(rawhidData))
+  {
+    digitalWrite(pinLed, HIGH);
+
+    // Check header for errors
+    if (RawHID.read() != 3) {
+      return;
+    }
+    if (RawHID.read() != 0) {
+      return;
+    }
+
+    // Write data to led array
+    uint8_t* ptr = (uint8_t*)leds;
+    for (int i = 0; i < sizeof(leds); i++) {
+      *ptr = RawHID.read();
+      ptr++;
+    }
+
+    // Update leds, do not update in the loop, to avoid corrupted data.
+    // For example if you write (0, 0, 0) and the interrupt
+    // changes the data to (255, 255, 255) you might get (0, 255, 255).
+    // Using a duplicated led array in cli() context would also work.
+    FastLED.show();
+
+    digitalWrite(pinLed, LOW);
+  }
+}