83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
#include "SoftwareSerial.h"
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#include "Adafruit_Pixie.h"
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#define NUMPIXELS 1 // Number of Pixies in the strip
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#define PIXIEPIN 6 // Pin number for SoftwareSerial output
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SoftwareSerial pixieSerial(-1, PIXIEPIN);
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Adafruit_Pixie light = Adafruit_Pixie(NUMPIXELS, &pixieSerial);
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String color = "000,000,000,000";
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volatile int commaR = 0;
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volatile int commaG = 0;
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volatile int commaB = 0;
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String strR = "000";
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String strG = "000";
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String strB = "000";
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String strA = "000"; // To the end of the string
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volatile int r = 0;
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volatile int g = 0;
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volatile int b = 0;
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volatile int a = 0;
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volatile char cmd_char = 'z';
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void setup () {
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Serial.begin(57600);
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Serial.flush();
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pixieSerial.begin(115200); // Pixie REQUIRES this baud rate
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black();
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}
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void loop () {
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if (Serial.available()) {
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/* read the most recent byte */
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cmd_char = (char)Serial.read();
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}
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if (cmd_char != 'z') {
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cmd(cmd_char);
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cmd_char = 'z';
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}
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}
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//
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//b - off
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//c - color - followed by String
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//
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void cmd (char val) {
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if (val == 'b') {
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black();
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} else if (val == 'c') {
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colorString();
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}
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}
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void black () {
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light.setPixelColor(0, 0, 0, 0);
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}
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void colorString () {
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while (Serial.available() == 0) {
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//Wait for color string
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}
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color = Serial.readString();
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commaR = color.indexOf(','); //comma trailing R
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commaG = color.indexOf(',', commaR + 1);
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commaB = color.indexOf(',', commaG + 1);
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strR = color.substring(0, commaR);
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strG = color.substring(commaR + 1, commaG);
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strB = color.substring(commaG + 1, commaB);
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strA = color.substring(commaB + 1); // To the end of the string
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r = strR.toInt();
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g = strG.toInt();
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b = strB.toInt();
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a = strA.toInt();
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light.setPixelColor(r, g, b, a);
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} |