From 7d090d7719661c1eb6f5f5a8909c259174ffa525 Mon Sep 17 00:00:00 2001 From: RainYang1765 Date: Fri, 15 Nov 2024 18:29:52 +0800 Subject: [PATCH] Update User_Setup.h Update detail information about DMA using SPI display. --- User_Setup.h | 1 + 1 file changed, 1 insertion(+) diff --git a/User_Setup.h b/User_Setup.h index a0123318..8bd9974f 100644 --- a/User_Setup.h +++ b/User_Setup.h @@ -66,6 +66,7 @@ // Some displays support SPI reads via the MISO pin, other displays have a single // bi-directional SDA pin and the library will try to read this via the MOSI line. +// DMA with SPI requires MISO pin defined or allocate it to be the same as the TFT_CS line and it will work. (https://github.com/Bodmer/TFT_eSPI/discussions/2233#discussioncomment-4870457) // To use the SDA line for reading data from the TFT uncomment the following line: // #define TFT_SDA_READ // This option is for ESP32 ONLY, tested with ST7789 and GC9A01 display only