From f6211a416bc0d1b1a30f5f2d0c593a4ee9ccbbc2 Mon Sep 17 00:00:00 2001
From: Alexey Pavlov <ap@profi.ru>
Date: Sun, 7 Nov 2021 17:59:03 +0300
Subject: [PATCH] fix opentherm

---
 tasmota/xlgt_01_ws2812.ino | 99 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 98 insertions(+), 1 deletion(-)

diff --git a/tasmota/xlgt_01_ws2812.ino b/tasmota/xlgt_01_ws2812.ino
index a7e7c9927..465aba427 100644
--- a/tasmota/xlgt_01_ws2812.ino
+++ b/tasmota/xlgt_01_ws2812.ino
@@ -17,6 +17,11 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifndef FIRMWARE_MINIMAL
+#define USE_LIGHT
+#define USE_WS2812
+#endif
+
 #ifdef USE_LIGHT
 #ifdef USE_WS2812
 /*********************************************************************************************\
@@ -37,7 +42,7 @@
 
 #define XLGT_01             1
 
-const uint8_t WS2812_SCHEMES = 8;      // Number of WS2812 schemes
+const uint8_t WS2812_SCHEMES = 10;      // Number of WS2812 schemes
 
 const char kWs2812Commands[] PROGMEM = "|"  // No prefix
   D_CMND_LED "|" D_CMND_PIXELS "|" D_CMND_ROTATION "|" D_CMND_WIDTH ;
@@ -289,6 +294,93 @@ void Ws2812Clock(void)
   Ws2812StripShow();
 }
 
+#define pow2(x) ((x)*(x))
+#define pow3(x) ((x)*pow2(x))
+#define pow4(x) (pow2(x)*pow2(x))
+
+void Ws2812RunningStrip(int scheme)
+{
+#if (USE_WS2812_CTYPE > NEO_3LED)
+  RgbwColor c;
+  c.W = 0;
+#else
+  RgbColor c(Settings->light_dimmer);
+#endif
+
+  static uint32_t timer_counter = 0;
+  static uint32_t last_timer_counter = timer_counter;
+  if (Settings->light_rotation%2) timer_counter--;
+  else timer_counter++;
+
+  uint32_t width = Settings->ws_width[WS_MINUTE]?Settings->ws_width[WS_MINUTE]:1;
+  uint32_t repeat = 1;//kWsRepeat[Settings->light_width];  // number of scheme.count per ledcount
+  uint32_t range = (uint32_t)ceil((float)Settings->light_pixels / (float)repeat);
+  uint32_t speed = Settings->light_speed; //((Settings->light_speed * 2) -1) * (STATES / 10); //
+  static uint32_t offset = 0;
+   
+  if (scheme==WS2812_SCHEMES-1) {
+    if (timer_counter/speed!=last_timer_counter/speed) {
+      offset = random(range);
+      last_timer_counter = timer_counter;
+    }
+  } else {
+    offset = speed > 0 ? timer_counter / speed : 0;
+  }
+
+  //WsColor oldColor, currentColor;
+  //Ws2812GradientColor(schemenr, &oldColor, range, gradRange, offset);
+  //currentColor = oldColor;
+  int power = Settings->ws_width[WS_SECOND];
+  int max_input = pow(width, power);
+  float dimmer = 100 / (float)Settings->light_dimmer;
+
+  uint32_t target = offset % Settings->light_pixels;
+
+  for (uint32_t i = 0; i < Settings->light_pixels; i++) {
+    int delta = target<i ? i-target : target-i; //abs(i-target);
+    if (delta<width) {
+      float fmyRed = Settings->light_color[0] / pow(delta+1, power);
+      float fmyGrn = Settings->light_color[1] / pow(delta+1, power);
+      float fmyBlu = Settings->light_color[2] / pow(delta+1, power);
+      /*
+      float fmyRed = (float)wsmap(max_input-pow(delta+1, power), 0, max_input, 0, Settings->light_color[0]);
+      float fmyGrn = (float)wsmap(max_input-pow(delta+1, power), 0, max_input, 0, Settings->light_color[1]);
+      float fmyBlu = (float)wsmap(max_input-pow(delta+1, power), 0, max_input, 0, Settings->light_color[2]);
+      */
+      
+      c.R = (uint8_t)fmyRed/dimmer;
+      c.G = (uint8_t)fmyGrn/dimmer;
+      c.B = (uint8_t)fmyBlu/dimmer;
+    }
+    else {
+      c.R = 0 ;
+      c.G = 0 ;
+      c.B = 0 ;
+    }
+
+    if (Settings->light_width==2) {
+      c.R = Settings->light_color[0]/dimmer - c.R;
+      c.G = Settings->light_color[1]/dimmer - c.G;
+      c.B = Settings->light_color[2]/dimmer - c.B;
+    } else if (Settings->ws_width[WS_MINUTE]==3) {
+      c.R = max(100 - c.R,0);
+      c.G = max(100 - c.G,0);
+      c.B = max(100 - c.B,0);
+    }
+
+    strip->SetPixelColor(i, c);
+/*
+    // Blend old and current color based on time for smooth movement.
+    c.R = wsmap(Light.strip_timer_counter % speed, 0, speed, oldColor.red, currentColor.red);
+    c.G = wsmap(Light.strip_timer_counter % speed, 0, speed, oldColor.green, currentColor.green);
+    c.B = wsmap(Light.strip_timer_counter % speed, 0, speed, oldColor.blue, currentColor.blue);
+    strip->SetPixelColor(i, c);
+    oldColor = currentColor;
+    */
+  }
+  Ws2812StripShow();
+}
+
 void Ws2812GradientColor(uint32_t schemenr, struct WsColor* mColor, uint32_t range, uint32_t gradRange, uint32_t i)
 {
 /*
@@ -495,6 +587,11 @@ void Ws2812ShowScheme(void)
         Ws2812.show_next = 0;
       }
       break;
+    case WS2812_SCHEMES-2:  // Running strip
+    case WS2812_SCHEMES-1:  // Running strip
+      Ws2812RunningStrip(scheme);
+      Ws2812.show_next = 1;
+      break;
     default:
       if (1 == Settings->light_fade) {
         Ws2812Gradient(scheme -1);