From 0f3ed0b04e77b6fb38aec8d69b1ad8ea6d6cfc7b Mon Sep 17 00:00:00 2001
From: WIJU <wiju@skidata.com>
Date: Wed, 22 Dec 2021 10:02:10 +0100
Subject: avoid 200ms flicker every ~17.9 seconds with RMT driver see also
 issue #1329

---
 src/platforms/esp/32/clockless_rmt_esp32.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/platforms/esp/32/clockless_rmt_esp32.cpp b/src/platforms/esp/32/clockless_rmt_esp32.cpp
index 9c89fcb4..0f8ad9b3 100644
--- a/src/platforms/esp/32/clockless_rmt_esp32.cpp
+++ b/src/platforms/esp/32/clockless_rmt_esp32.cpp
@@ -463,9 +463,9 @@ void IRAM_ATTR ESP32RMTController::fillNext(bool check_time)
 {
     uint32_t now = __clock_cycles();
     if (check_time) {
-        if (mLastFill != 0 and now > mLastFill) {
-            uint32_t delta = (now - mLastFill);
-            if (delta > mMaxCyclesPerFill) {
+        if (mLastFill != 0) {
+            int32_t delta = (now - mLastFill);
+            if (delta > (int32_t)mMaxCyclesPerFill) {
                 // Serial.print(delta);
                 // Serial.print(" BAIL ");
                 // Serial.println(mCur);
-- 
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