topic lvgl run error in GUI Guider

lvgl run error

linda4185 — Mon, 09 May 2022 14:18:08 GMT

when i used ’inf_set_speed‘ in main. once per second

it will run many times，then the system is not refreshed. And Keys don't respond.

maybe memory leak? what should i do?what is the correct way?

char speed_str[5];

void inf_set_speed(u16 num)
{
sprintf(speed_str,"%d",num);
lv_label_set_text_static(inf.inf_screen_inf_label_speed,speed_str);
}

Re: lvgl run error

LiubinGong — Tue, 10 May 2022 02:45:18 GMT

Hi @linda4185

Can you share your project or more complete code? Your expectation is: to update the label text every second, all right?

Thanks

Liubin

Re: lvgl run error

linda4185 — Tue, 10 May 2022 04:03:03 GMT

yes,

but I build a new project in a EVK board . it has no error.so maybe my board has some hard error,or GUI guider run error.

about gui guider except code, I find many questions in the internet,many engineers feedback problems about controls layer error ，it makes code run error.

at last .I will share my experience until I solve it.

thinks.

Re: lvgl run error

LiubinGong — Tue, 10 May 2022 05:12:09 GMT

Are you using freeRTOS or baremetal on your board? Can you private your board type or more environment info?

Best regards

Liubin

Re: lvgl run error

linda4185 — Tue, 17 May 2022 02:48:43 GMT

thinks

I have solved my problem.I use spi as normal mode.And when I wait spi send end. Some errors occurred while reading the spi status. so this is resolved. And I will use DMA in the end.

I've had fun using gui guider now .