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Ambrose Chua 2015-12-16 14:12:34 +08:00
parent 4695c3ff01
commit 1bc9b09427
4 changed files with 58 additions and 112 deletions

1
.gitignore vendored Normal file
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node_modules/*

41
USBStrip/USBStrip.ino Normal file
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#include <WS2812.h>
#include <DigiCDC.h>
#define LEDCount 37
#define outputPin 1
WS2812 LED(LEDCount);
cRGB value;
void setup() {
SerialUSB.begin();
LED.setOutput(outputPin);
}
void loop() {
if (SerialUSB.available() > 1 && SerialUSB.read() == 0x10) {
byte command = SerialUSB.read();
if (command == 0x11) {
LED.sync();
SerialUSB.write(0x1f);
}
else if (command == 0x12) {
while (SerialUSB.available() < 4) {
}
int pos = SerialUSB.read();
value.r = SerialUSB.read();
value.g = SerialUSB.read();
value.b = SerialUSB.read();
LED.set_crgb_at(pos, value);
SerialUSB.write(0x1f);
}
else {
SerialUSB.write(0x1e);
}
SerialUSB.flush();
}
}

16
package.json Normal file
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{
"name": "USBStrip",
"version": "0.0.1",
"description": "USBStrip",
"scripts": {
"start": "node index.js"
},
"repository": {
"type": "git",
"url": "https://github.com/ambrosechua/USBStrip.git"
},
"dependencies": {
"express": "^4.12.4",
"serialport": "^2.0.5"
}
}

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#include <Adafruit_NeoPixel.h>
#define PIN 6
#define NUMPIXELS 37
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
int delayval = 16;
bool off = false;
int brightness = 255;
int hue = 168;
int mode = 1;
int counter = 0;
uint32_t Wheel(byte WheelPos) {
WheelPos = 255 - WheelPos;
if(WheelPos < 85) {
return pixels.Color((255 - WheelPos * 3) * brightness / 255, 0, WheelPos * 3 * brightness / 255);
}
if(WheelPos < 170) {
WheelPos -= 85;
return pixels.Color(0, WheelPos * 3 * brightness / 255, (255 - WheelPos * 3) * brightness / 255);
}
WheelPos -= 170;
return pixels.Color(WheelPos * 3 * brightness / 255, (255 - WheelPos * 3) * brightness / 255, 0);
}
void setup() {
Serial.begin(9600);
pixels.begin();
}
void loop() {
if (off) {
for (int i = 0; i < NUMPIXELS; i++){
pixels.setPixelColor(i, pixels.Color(0,0,0));
}
pixels.show();
}
else {
if (mode == 1) {
for (int i = 0; i < NUMPIXELS; i++){
pixels.setPixelColor(i, pixels.Color(0,0,brightness));
}
pixels.show();
}
else if (mode == 2) {
for (int i = 0; i < NUMPIXELS; i++){
pixels.setPixelColor(i, Wheel((i * 2 + counter / 2) % 256));
}
pixels.show();
}
else if (mode == 3) {
for (int i = 0; i < NUMPIXELS; i++){
pixels.setPixelColor(i, Wheel(hue % 256));
}
pixels.show();
}
counter++;
}
delay(delayval);
while (Serial.available() > 0) {
int command = Serial.parseInt();
int value = Serial.parseInt();
if (Serial.read() == '\n') {
Serial.print("Command: ");
Serial.println(command);
Serial.print("Value: ");
Serial.println(value);
switch (command) {
case 0:
off = (value == 0);
break;
case 1:
brightness = constrain(value, 0, 255);
Serial.print("Brightness: ");
Serial.println(brightness);
break;
case 2:
mode = constrain(value, 1, 3);
Serial.print("Mode: ");
Serial.println(brightness);
break;
case 3:
hue = constrain(value, 0, 255);
Serial.print("Hue: ");
Serial.println(hue);
break;
}
}
}
}