From 1aa00977d7c0b7aff196b6aa6646cca0cfe052dc Mon Sep 17 00:00:00 2001
From: Simon Zeyer <mail@simonzeyer.de>
Date: Wed, 8 Dec 2021 09:58:03 +0100
Subject: [PATCH] init swyx led status anzeige

---
 sketch_swyx_anzeige.ino | 122 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 sketch_swyx_anzeige.ino

diff --git a/sketch_swyx_anzeige.ino b/sketch_swyx_anzeige.ino
new file mode 100644
index 0000000..cbd4b62
--- /dev/null
+++ b/sketch_swyx_anzeige.ino
@@ -0,0 +1,122 @@
+#include <FastLED.h>
+#include <ESP8266WiFi.h>
+/* FastLED_RGBW
+ * 
+ * Hack to enable SK6812 RGBW strips to work with FastLED.
+ *
+ * Original code by Jim Bumgardner (http://krazydad.com).
+ * Modified by David Madison (http://partsnotincluded.com).
+ * 
+*/
+ 
+#ifndef FastLED_RGBW_h
+#define FastLED_RGBW_h
+ 
+struct CRGBW  {
+  union {
+    struct {
+      union {
+        uint8_t g;
+        uint8_t green;
+      };
+      union {
+        uint8_t r;
+        uint8_t red;
+      };
+      union {
+        uint8_t b;
+        uint8_t blue;
+      };
+      union {
+        uint8_t w;
+        uint8_t white;
+      };
+    };
+    uint8_t raw[4];
+  };
+ 
+  CRGBW(){}
+ 
+  CRGBW(uint8_t rd, uint8_t grn, uint8_t blu, uint8_t wht){
+    r = rd;
+    g = grn;
+    b = blu;
+    w = wht;
+  }
+ 
+  inline void operator = (const CRGB c) __attribute__((always_inline)){ 
+    this->r = c.r;
+    this->g = c.g;
+    this->b = c.b;
+    this->white = 0;
+  }
+};
+ 
+inline uint16_t getRGBWsize(uint16_t nleds){
+  uint16_t nbytes = nleds * 4;
+  if(nbytes % 3 > 0) return nbytes / 3 + 1;
+  else return nbytes / 3;
+}
+ 
+#endif
+
+// How many leds in your strip?
+#define NUM_LEDS 9
+
+// For led chips like WS2812, which have a data line, ground, and power, you just
+// need to define DATA_PIN.  For led chipsets that are SPI based (four wires - data, clock,
+// ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN
+// Clock pin only needed for SPI based chipsets when not using hardware SPI
+#define DATA_PIN D4
+#define CLOCK_PIN 13
+
+// Define the array of leds
+// FastLED with RGBW
+CRGBW leds[NUM_LEDS];
+CRGB *ledsRGB = (CRGB *) &leds[0];
+
+void setup() { 
+    Serial.begin(115200);  
+    Serial.setTimeout(100);
+    WiFi.mode(WIFI_STA);
+    FastLED.addLeds<WS2812B, DATA_PIN, RGB>(ledsRGB, getRGBWsize(NUM_LEDS));
+    colorFill(CRGB::Black);
+}
+
+ 
+void colorFill(CRGB c){
+  for(int i = 0; i < NUM_LEDS; i++){
+    leds[i] = c;
+    FastLED.show();
+    //delay(50);
+  }
+}
+
+void loop() { 
+  if (Serial.available())
+  {
+    String rs = Serial.readString();
+    Serial.println(rs.substring(0,3));
+    if(rs.substring(0,3) == "dta"){
+      leds[rs.substring(4,6).toInt()] = CRGB(
+        rs.substring(7,9).toInt(),
+        rs.substring(10,12).toInt(),
+        rs.substring(13,15).toInt()
+       );
+    }
+    if(rs.substring(0,3) == "shw"){
+      FastLED.show();
+    }
+    if(rs.substring(0,3) == "shc"){
+      Serial.println(rs.substring(4,6).toInt());
+      Serial.println(rs.substring(7,9).toInt());
+      Serial.println(rs.substring(10,12).toInt());
+      colorFill(CRGB(
+        rs.substring(4,6).toInt(),
+        rs.substring(7,9).toInt(),
+        rs.substring(10,12).toInt()
+       )
+      );
+    }
+  }
+}