i.MX ProcessorsのトピックRe: LVGL example with lcd 5.5 inch (RK055HDMIPI4M) on evkmimxrt595

LVGL example with lcd 5.5 inch (RK055HDMIPI4M) on evkmimxrt595

nghi2112 — Mon, 08 Jan 2024 16:24:13 GMT

Hello,

I just bought the new lcd 5.5 inch (RK055HDMIPI4M).

I am playing with some LVGL examples as the picture

We configured displayport.h as below for my LCD.

#ifndef DEMO_PANEL #define DEMO_PANEL DEMO_PANEL_RK055AHD091 #endif

Here is picture of evk and lcd

My LCD could not display anything with LVGL examples. Please give me some advice.

Thank you for any help,

Nghi

Re: LVGL example with lcd 5.5 inch (RK055HDMIPI4M) on evkmimxrt595

Bio_TICFSL — Tue, 09 Jan 2024 14:31:38 GMT

Hello,

Make sure you build and erase and burned the rt, also is possible that the lcd is damage, which error appears in serial console.

Regards

Re: LVGL example with lcd 5.5 inch (RK055HDMIPI4M) on evkmimxrt595

nghi2112 — Wed, 10 Jan 2024 07:34:09 GMT

Dear Bio_TICFSL,

Thanks for your reply.

I would like to inform you that there are not issue related hardware of LCD and flashing, it work well with below lcdif examples such as lcdif_cursor_argb and lcdif_rgb565.

There are no display on all lvgl examples. Would you like confirm that I only do below configure for LCD RK055HDMIPI4M. What else do I do?

#define DEMO_PANEL DEMO_PANEL_RK055AHD091

From now, I don't see any error logs in console. I will try to enable some log level of LVGL and feedback you soon.

Best regards,

Nghi.

Re: LVGL example with lcd 5.5 inch (RK055HDMIPI4M) on evkmimxrt595

nghi2112 — Wed, 10 Jan 2024 11:09:07 GMT

Dear Bio,

I bring up lvgl example successfully. I was wrong at configure target of LCD. It is RK055MHD091A0.

#define DEMO_PANEL_RK055MHD091 4 /* NXP "RK055MHD091A0-CTG MIPI Rectangular Display */

The web link made me confuse. I checked its datasheet and I figure out it is RK055MHD091A0-CTG

Thanks for your help.

Best regards,

Nghi.