From 6fa22aae6b1b2a84fef6d592b1aebb0caa661091 Mon Sep 17 00:00:00 2001
From: s-hadinger <49731213+s-hadinger@users.noreply.github.com>
Date: Thu, 25 May 2023 19:21:18 +0200
Subject: [PATCH] adjust neopixel busy time (#18723)

* adjust neopixel busy time

* Adjust time for Berry
---
 tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_leds.ino | 12 ++++++++----
 tasmota/tasmota_xlgt_light/xlgt_01_ws2812.ino        |  2 +-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_leds.ino b/tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_leds.ino
index c3af02426..4b5b542da 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_leds.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_leds.ino
@@ -134,11 +134,15 @@ extern "C" {
             if (s_sk6812_grbw)      s_sk6812_grbw->Begin();
             break;
           case 2: // # 02 : show         void -> void
-            if (s_ws2812_grb)       s_ws2812_grb->Show();
-            if (s_sk6812_grbw)      s_sk6812_grbw->Show();
+            {
+              uint32_t pixels_size;       // number of bytes to push
+            if (s_ws2812_grb)     { s_ws2812_grb->Show();   pixels_size = s_ws2812_grb->PixelsSize(); }
+            if (s_sk6812_grbw)    { s_sk6812_grbw->Show();  pixels_size = s_ws2812_grb->PixelsSize(); }
+
             // Wait for RMT/I2S to complete fixes distortion due to analogRead
-//            delay(5);
-            SystemBusyDelay(5);  // Max 256 leds
+            // 1ms is needed for 96 bytes
+            SystemBusyDelay((pixels_size + 95) / 96);
+            }
             break;
           case 3: // # 03 : CanShow      void -> bool
             if (s_ws2812_grb)       be_pushbool(vm, s_ws2812_grb->CanShow());
diff --git a/tasmota/tasmota_xlgt_light/xlgt_01_ws2812.ino b/tasmota/tasmota_xlgt_light/xlgt_01_ws2812.ino
index 13032fdf8..3312a8322 100644
--- a/tasmota/tasmota_xlgt_light/xlgt_01_ws2812.ino
+++ b/tasmota/tasmota_xlgt_light/xlgt_01_ws2812.ino
@@ -218,7 +218,7 @@ void Ws2812LibStripShow(void) {
 #if defined(USE_WS2812_DMA) || defined(USE_WS2812_RMT) || defined(USE_WS2812_I2S)
   // Wait for DMA/RMT/I2S to complete fixes distortion due to analogRead
 //  delay((Settings->light_pixels >> 6) +1);  // 256 / 64 = 4 +1 = 5
-  SystemBusyDelay((Settings->light_pixels >> 6) +1);  // 256 / 64 = 4 +1 = 5
+  SystemBusyDelay( (Settings->light_pixels + 31) >> 5);  // (256 + 32) / 32 = 8
 #endif
 }