Waveshare-ESP32-S3-LCD-7-LVGL

Waveshare ESP32 S3 LCD 7 LVGL

Useful information

https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-7

https://github.com/Westcott1/Waveshare-ESP32-S3-Touch-LCD-4.3-and-Arduino/blob/main/Examples/Arduino_GFX/GFX.ino

Common Arduino IDE setup

Board manager: ESP32 S3 Dev Module   
esp32 version 2.0.16   
Arduino IDE:   2.3.2   

For Arduino IDE select:

Flash Size: 8MB(64Mb)
PSRAM: "OPI PSRAM"

Example code with Lovyan GFX (from @Wesctott1)

In LovyanGFX folder.

Code adapted from @Wesctott1 (there was no license so hopefully ok to edit and republish)

https://github.com/Westcott1/Waveshare-ESP32-S3-Touch-LCD-4.3-and-Arduino/tree/main

  LovyanGFX                version 1.1.16

Build LVGL demos with v9.1.0 and Lovyan GFX

In Waveshare_7_LVGL_9_LGFX folder

Install Arduino libraries:

  lvgl                                            version 9.1.0
  LovyanGFX                                       version 1.1.16

Download the code in Waveshare_7_LVGL_9_LGFX folder

Copy Arduino\libraries\lvgl\lv_conf_template.h to src\lv_conf.h
Copy folders Arduino\libraries\lvgl\demos and Arduino\libraries\lvgl\examples to Arduino\libraries\lvgl\src

Edit lv_conf.h

#if 1 /*Set it to "1" to enable content*/
#define LV_USE_DEMO_WIDGETS 1
#define LV_FONT_MONTSERRAT_24 1

Compile and run.

Build LVGL demos with v9.1.0 and GFX Library for Arduino

In Waveshare_7_LVGL_9 folder

Install Arduino libraries:

  lvgl                                            version 9.1.0
  GFX Library for Arduino by Moon On Our Nation   version 1.4.7
  TAMC-GT911                                      version 1.0.2

Download the code in Waveshare_7_LVGL_9 folder

Copy Arduino\libraries\lvgl\lv_conf_template.h to src\lv_conf.h
Copy folders Arduino\libraries\lvgl\demos and Arduino\libraries\lvgl\examples to Arduino\libraries\lvgl\src

Edit lv_conf.h

#if 1 /*Set it to "1" to enable content*/
#define LV_USE_DEMO_WIDGETS 1
#define LV_FONT_MONTSERRAT_24 1

Compile and run.

Confusion over pin numbers in Waveshare documentation

Pin	Waveshare	Arduino_ESP32RGB	LoyanGFX
0	G3	G1	G1
1	R3	R0	R0
2	R4	R1	R1
3	VSYNC	VSYNC	VSYNC
5	DE	DE	HENABLE
7	PCLK	PCLK	PCLK
10	B7	B4	B4
14	B3	B0	B0
17	B6	B3	B3
18	B5	B2	B2
21	G7	G5	G5
38	B4	B1	B1
39	G2	G0	G0
40	R7	R4	R4
41	R6	R3	R3
42	R5	R2	R2
45	G4	G2	G2
46	HSYNC	HSYNC	HSYNC
47	G6	G4	G4
48	G5	G3	G3

Waveshare pin name mapping

Wavehare   G2 G3 G4 G5 G6 G7     R3 R4 R5 R6 R7    B3 B4 B5 B6 B7
Others     G0 G1 G2 G3 G4 G5     R0 R1 R2 R3 R4    B0 B1 B2 B3 B4