Leonardo support

Leonardo/WS2812B/WS2812B.ino

@@ -0,0 +1,68 @@
+
+/*
+ *     USB MIDI to WS2812B by mat1jaczyyy & 4D
+ *     ---------------------------------------
+ */
+
+/*  
+ * LED Strip definition
+ * --------------------
+ */
+
+const byte _NLED = 60;
+const byte _DPIN = 2;
+
+#include <Adafruit_NeoPixel.h>
+Adafruit_NeoPixel _LED = Adafruit_NeoPixel(_NLED, _DPIN, NEO_GRB + NEO_KHZ800);
+
+/*
+ * Color Palette
+ * Generate with retinaConverter.py (Retina 2.0+ Palette)
+ * ------------------------------------------------------
+ */
+
+const byte _R[128] = {0, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 45, 93, 142, 223, 190, 28, 61, 93, 190, 125, 12, 28, 45, 158, 61, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 12, 28, 45, 158, 61, 28, 61, 93, 190, 125, 45, 93, 142, 223, 190, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 36, 73, 109, 146, 182, 219, 255};
+const byte _G[128] = {0, 0, 0, 0, 125, 0, 12, 28, 45, 158, 61, 28, 61, 93, 190, 125, 45, 93, 142, 223, 190, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 45, 93, 142, 223, 190, 28, 61, 93, 190, 125, 12, 28, 45, 158, 61, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 36, 73, 109, 146, 182, 219, 255};
+const byte _B[128] = {0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 0, 0, 0, 125, 0, 12, 28, 45, 158, 61, 28, 61, 93, 190, 125, 45, 93, 142, 223, 190, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 61, 125, 190, 255, 255, 45, 93, 142, 223, 190, 28, 61, 93, 190, 125, 12, 28, 45, 158, 61, 36, 73, 109, 146, 182, 219, 255};
+
+/*
+ * MIDI handler
+ * ------------
+ */
+
+#include "MIDIUSB.h"
+#include "PitchToNote.h"
+
+const byte _PStart = 36;  // First note in array
+bool update = false;
+
+void note(byte pitch, byte velocity) {
+  _LED.setPixelColor(pitch - _PStart, _R[velocity], _G[velocity], _B[velocity]);
+  update = true;
+}
+
+void setup() {
+  _LED.begin();
+  _LED.show();
+}
+
+void loop() {
+  midiEventPacket_t rx;
+  do { 
+    rx = MidiUSB.read();
+    if (rx.header == 0x9) note(rx.byte2, rx.byte3);
+    if (rx.header == 0x8) note(rx.byte2, 0);
+  } while (rx.header == 0);
+
+  if (update) {
+    _LED.show();
+    update = false;
+  }
+}
+
+//void sysEx(byte *data, unsigned int length) {
+//  if (length == 6) {
+//    _LED.setPixelColor(*(data+1) - _PStart, *(data+2), *(data+3), *(data+4));
+//    update = true;
+//  }
+//}

README.md

@@ -1,4 +1,4 @@
-# LED Strip MIDI for Teensy - controlling LED strips via MIDI
+# LED Strip MIDI for Teensy, Atmega32u4 - controlling LED strips via MIDI
 
 This Arduino project allows for controlling a LED strip from a DAW program (via MIDI) over a Teensy microcontroller.
 
@@ -7,11 +7,12 @@ This Arduino project allows for controlling a LED strip from a DAW program (via
 * LED Strip
 	* The **LPD8806** and **WS2812B** strips are implemented in separate Arduino projects. 
 * USB Development Board
-    * A **32-bit PJRC Teensy** is highly recommended. A [Teensy-LC](https://www.pjrc.com/store/teensylc.html) was used while developing this project and is officially supported alongside other Teensy 3 models.
-    * Teensy 2 (8-bit) and certain Arduino boards might work, but have not been tested and are not officially supported.
+    * A **32-bit PJRC Teensy** is highly recommended. A [Teensy-LC](https://www.pjrc.com/store/teensylc.html) was used while developing this project and is officially supported alongside other Teensy 3 models.\
+    * Most Arduino atmega32u4 boards should work (such as the [Arduino Leonardo](https://store.arduino.cc/arduino-leonardo-with-headers), these have been tested and are unofficially supported (thanks [4dvn](https://github.com/4dvn)!).
+    * Teensy 2 (8-bit) boards might work with modifications, but are not supported.
 * [Arduino Software](https://www.arduino.cc/en/Main/Software)
     * Developed with **version 1.8.5**, but older versions will likely work.
-    * Also requires [Teensyduino](https://www.pjrc.com/teensy/teensyduino.html), and the [LPD8806 Arduino library](https://github.com/adafruit/LPD8806) if you're using the LPD8806.
+    * Additionally requires [Teensyduino](https://www.pjrc.com/teensy/teensyduino.html) if you're using a Teensy 3 board, and the [LPD8806 Arduino library](https://github.com/adafruit/LPD8806) if you're using the LPD8806.
 * OS
     * **Windows, Linux and macOS** are officially supported.
 * DAW Software