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