Waveshare ESP32-S3-Touch-LCD-4.3

[Westcott1]

Hello,

I've managed to get one of these working.
Even the LvglWidgets example.

No idea what to set the xsync_xxxx values to!
Also no idea what the backlight pin and touch pins are.
https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-4.3

#define GFX_DEV_DEVICE WAVESHARE_ESP32_S3_TFT_4_3
//define GFX_BL 2
Arduino_ESP32RGBPanel rgbpanel = new Arduino_ESP32RGBPanel(
5 / DE /,
3 / VSYNC /,
46 / HSYNC /,
7 / PCLK /,
14 / B0 /,
38 / B1 /,
18 / B2 /,
17 / B3 /,
10 / B4 /,
39 / G0 /,
0 / G1 /,
45 / G2 /,
48 / G3 /,
47 / G4 /,
21 / G5 /,
1 / R0 /,
2 / R1 /,
42 / R2 /,
41 / R3 /,
40 / R4 /,
0 / hsync_polarity /, 40 / hsync_front_porch /, 48 / hsync_pulse_width /, 88 / hsync_back_porch /,
0 / vsync_polarity /, 13 / vsync_front_porch /, 3 / vsync_pulse_width /, 32 / vsync_back_porch /,
1 / pclk_active_neg /, 16000000 / prefer_speed */);

Arduino_RGB_Display gfx = new Arduino_RGB_Display(
800 / width /, 480 / height /, rgbpanel, 0 / rotation /, true / auto_flush */);

[moononournation]

Is it display ok for the above setting? If not, you may refer to the display datasheet values.

[Westcott1]

Hi Moononournation,
Yes, I soon realised which are the touch pins.
SDA=8, SCL=9, IRQ=4,
However, touch RST is expansion pin 1, I've not got the expansion pins to work yet.
They also say you can use one of the expansion pins as Backlight control.

I thing I might start a Github repository devoted to this particular board.

Also, thanks for developing Arduino_gfx!

[jalmince]

Hi Westcott1 !
I ve got the same board from WaveShare, but I m struggling to get it to work. I wish I could port a project that runs on the too small Lilygo t-display with tft_espi ( no lvgl ) . Would you be so nice as to send me a code example ? ( or link to your github if you ve done it ? )
Cheers,
Jean-Paul

[Westcott1]

Hi Jalmince,
I'll create an example using TFT_eSPI for you.
The important bit it to get the pins right!

[jalmince]

Thanks!
To be sure we re talking the same board, mine is https://www.waveshare.com/catalogsearch/result/?q=25948
cheers,
Jpaul

[Westcott1]

Yes, that's the one - nice board and display at a good price.
Took me ages to get everything to run.

[Westcott1]

After quite a bit of digging, it seems that TFT_eSPI does NOT support 16bit parallel displays on ESP32.
This must be why the Waveshare demo code uses their own ESP_Panel_Library.

[jalmince]

Hi Amish!
Thnks for your answer.

I know tft_spi doesn't support 16 parallel display, otherwise I wouldn't have problems to port my code from the Lilygo t-Display on the waveshare board.
However you said you managed to get the WaveShare board to work with this Arduino_GFX lib.

What is it exactly to manage to run ?

If, as said here in the README :

This library start rewrite from Adafruit_GFX, LovyanGFX, TFT_eSPI, Ucglib, and more...
Simple Declaration
#include <Arduino_GFX_Library.h>
Arduino_DataBus bus = new Arduino_HWSPI(16 / DC /, 5 / CS */);
Arduino_GFX gfx = new Arduino_ILI9341(bus, 17 / RST */);
And Simple Usage
gfx->begin();
gfx->fillScreen(BLACK);
gfx->setCursor(10, 10);
gfx->setTextColor(RED);
gfx->println("Hello World!");

Then that ' s all I am after !
I should not even have to change the graphical primitives names ( fillScreen, DrawCircle,....)

the only thing is I don t want to use Panel and lvgl.

So do you have code that draw and displays text on the screen ?!

cheers,
Jean-Paul

[Westcott1]

Hi Jean-Paul,
Ah, I understand now!
Yes, I added an Arduino_GFX "Hello World" example yesterday.
It includes touch and expander pins as well, if you want them.
Regards,
Hamish
(C'est un prénom écossais)

[jalmince]

Hi Amish! Did you add it to a place I have access to ? Ps: my daughter and ex-wife live in Edinburgh. I lived there for 3 years but now I am in Switzerland Le dim. 18 févr. 2024, 12:43, Hamish West ***@***.***> a écrit :

…

Hi Jean-Paul, Ah, I understand now! Yes, I added an Arduino_GFX "Hello World" example yesterday. It includes touch and expander pins as well, if you want them. Regards, Hamish (C'est un prénom écossais) — Reply to this email directly, view it on GitHub <#409 (reply in thread)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AEOF6ZPPFHKZXQWZTV72T53YUHSMLAVCNFSM6AAAAABBESOS5SVHI2DSMVQWIX3LMV43SRDJONRXK43TNFXW4Q3PNVWWK3TUHM4DKMBWG4YDG> . You are receiving this because you are subscribed to this thread.Message ID: <moononournation/Arduino_GFX/repo-discussions/409/comments/8506703@ github.com>

[Westcott1]

Arduino_gfx example
Lovely city Edinburgh.

[jalmince]

Thanks mate, you made my day! Le dim. 18 févr. 2024, 17:39, Hamish West ***@***.***> a écrit :

…

Arduino_gfx example <https://github.com/Westcott1/Waveshare-ESP32-S3-Touch-LCD-4.3-and-Arduino/tree/main/Examples/Arduino_GFX> Lovely city Edinburgh. — Reply to this email directly, view it on GitHub <#409 (reply in thread)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AEOF6ZO2QPADKFX3EJOCRZDYUIVF7AVCNFSM6AAAAABBESOS5SVHI2DSMVQWIX3LMV43SRDJONRXK43TNFXW4Q3PNVWWK3TUHM4DKMBYGI4DG> . You are receiving this because you are subscribed to this thread.Message ID: <moononournation/Arduino_GFX/repo-discussions/409/comments/8508283@ github.com>