From 43578872eeae5cfea9b23cea6e47c5f4b99d1329 Mon Sep 17 00:00:00 2001
From: Frederic Aust <frederic.aust@hs-bochum.de>
Date: Sat, 18 Apr 2020 17:29:28 +0200
Subject: [PATCH] =?UTF-8?q?Grundeinstellungen=20get=C3=A4tigt=20und=20die?=
=?UTF-8?q?=20Initialhelligkeit=20auf=20100=20gesetzt?=
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---
Adalight_WS2812/Adalight_WS2812.ino | 83 +++++++++++++++++++++++++++++
1 file changed, 83 insertions(+)
create mode 100644 Adalight_WS2812/Adalight_WS2812.ino
diff --git a/Adalight_WS2812/Adalight_WS2812.ino b/Adalight_WS2812/Adalight_WS2812.ino
new file mode 100644
index 0000000..39d8a59
--- /dev/null
+++ b/Adalight_WS2812/Adalight_WS2812.ino
@@ -0,0 +1,83 @@
+/*
+ * Arduino interface for the use of WS2812 strip LEDs
+ * Uses Adalight protocol and is compatible with Boblight, Prismatik etc...
+ * "Magic Word" for synchronisation is 'Ada' followed by LED High, Low and Checksum
+ * Fork von Wifsimster <wifsimster@gmail.com>
+ */
+
+#include "FastLED.h"
+// Number of LEDs
+#define NUM_LEDS 112
+#define DATA_PIN 3
+
+// Baudrate, higher rate allows faster refresh rate and more LEDs (defined in /etc/boblight.conf)
+#define serialRate 115200
+
+// Adalight sends a "Magic Word" (defined in /etc/boblight.conf) before sending the pixel data
+uint8_t prefix[] = {'A', 'd', 'a'}, hi, lo, chk, i;
+
+// Initialise LED-array
+CRGB leds[NUM_LEDS];
+
+void setup() {
+ // Use NEOPIXEL to keep true colors
+ FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
+ LEDS.setBrightness(100);
+
+ // Initial RGB flash
+ LEDS.showColor(CRGB(255, 0, 0));
+ delay(500);
+ LEDS.showColor(CRGB(0, 255, 0));
+ delay(500);
+ LEDS.showColor(CRGB(0, 0, 255));
+ delay(500);
+ LEDS.showColor(CRGB(0, 0, 0));
+
+ Serial.begin(serialRate);
+ // Send "Magic Word" string to host
+ Serial.print("Ada\n");
+}
+
+void loop() {
+ // Wait for first byte of Magic Word
+ for(i = 0; i < sizeof prefix; ++i) {
+ waitLoop: while (!Serial.available()) ;;
+ // Check next byte in Magic Word
+ if(prefix[i] == Serial.read()) continue;
+ // otherwise, start over
+ i = 0;
+ goto waitLoop;0
+}
+
+ // Hi, Lo, Checksum
+ while (!Serial.available()) ;;
+ hi=Serial.read();
+ while (!Serial.available()) ;;
+ lo=Serial.read();
+ while (!Serial.available()) ;;
+ chk=Serial.read();
+
+ // If checksum does not match go back to wait
+ if (chk != (hi ^ lo ^ 0x55)) {
+ i=0;
+ goto waitLoop;
+ }
+
+ memset(leds, 0, NUM_LEDS * sizeof(struct CRGB));
+ // Read the transmission data and set LED values
+ for (uint8_t i = 0; i < NUM_LEDS; i++) {
+ byte r, g, b;
+ while(!Serial.available());
+ r = Serial.read();
+ while(!Serial.available());
+ g = Serial.read();
+ while(!Serial.available());
+ b = Serial.read();
+ leds[i].r = r;
+ leds[i].g = g;
+ leds[i].b = b;
+ }
+
+ // Shows new values
+ FastLED.show();
+}
--
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