From dff20c41adaa50488841830ee50de50ba6140002 Mon Sep 17 00:00:00 2001
From: Stephan Hadinger <stephan.hadinger@gmail.com>
Date: Sun, 28 Nov 2021 22:48:36 +0100
Subject: [PATCH] WS2812 RMT work-around

---
 tasmota/xlgt_01_ws2812.ino | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tasmota/xlgt_01_ws2812.ino b/tasmota/xlgt_01_ws2812.ino
index 3a9e396f3..763f3e89e 100644
--- a/tasmota/xlgt_01_ws2812.ino
+++ b/tasmota/xlgt_01_ws2812.ino
@@ -224,6 +224,9 @@ void Ws2812StripShow(void)
     }
   }
   strip->Show();
+#ifdef ESP32    // workaround for SPI conflict
+  rmt_wait_tx_done((rmt_channel_t) USE_WS2812_RMT, 50/portTICK_PERIOD_MS);
+#endif
 }
 
 int mod(int a, int b)
@@ -497,6 +500,9 @@ void Ws2812Clear(void)
   strip->ClearTo(0);
   strip->Show();
   Ws2812.show_next = 1;
+#ifdef ESP32    // workaround for SPI conflict
+  rmt_wait_tx_done((rmt_channel_t) USE_WS2812_RMT, 50/portTICK_PERIOD_MS);
+#endif
 }
 
 void Ws2812SetColor(uint32_t led, uint8_t red, uint8_t green, uint8_t blue, uint8_t white)
@@ -523,6 +529,9 @@ void Ws2812SetColor(uint32_t led, uint8_t red, uint8_t green, uint8_t blue, uint
   if (!Ws2812.suspend_update) {
     strip->Show();
     Ws2812.show_next = 1;
+#ifdef ESP32    // workaround for SPI conflict
+  rmt_wait_tx_done((rmt_channel_t) USE_WS2812_RMT, 50/portTICK_PERIOD_MS);
+#endif
   }
 }
 
@@ -564,6 +573,9 @@ void Ws2812ForceUpdate (void)
   Ws2812.suspend_update = false;
   strip->Show();
   Ws2812.show_next = 1;
+#ifdef ESP32    // workaround for SPI conflict
+  rmt_wait_tx_done((rmt_channel_t) USE_WS2812_RMT, 50/portTICK_PERIOD_MS);
+#endif
 }
 
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