From 4d4b5ac2aad4c7cb1dd36fa179fc03cae341746c Mon Sep 17 00:00:00 2001
From: mrfaptastic <12006953+mrfaptastic@users.noreply.github.com>
Date: Thu, 13 Aug 2020 15:56:21 +0100
Subject: [PATCH] Update commentary / 'gotcha'

---
 ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp b/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp
index e632cf6..dedea53 100644
--- a/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp
+++ b/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp
@@ -430,6 +430,8 @@ void RGB64x32MatrixPanel_I2S_DMA::configureDMA(int r1_pin, int  g1_pin, int  b1_
  *
  *  Critical dependency: That 'updateMatrixDMABuffer(uint8_t red, uint8_t green, uint8_t blue)' has been run at least once over the
  *                       entire frameBuffer to ensure all the non R,G,B bitmasks are in place (i.e. like OE, Address Lines etc.)
+ *
+ *  Note: If you change the brightness with setBrightness() you MUST then clearScreen() and repaint / flush the entire framebuffer.
  */
 #define GO_FOR_SPEED 1