display_lvgl_demos

Display LVGL Demos

This example shows LVGL internal demos with RGB LCD.

For common issues about RGB LCD, please refer to LCD Development Guide.

How to use the example

Hardware Required

• ESP32-S3-LCD-EV-Board or ESP32-S3-LCD-EV-Board-2
• USB-C Cable

Compile and flash

idf.py -p COMx build flash monitor

Example outputs

...
I (0) cpu_start: App cpu up.
I (923) esp_psram: SPI SRAM memory test OK
I (932) cpu_start: Pro cpu start user code
I (932) cpu_start: cpu freq: 240000000 Hz
I (932) cpu_start: Application information:
I (935) cpu_start: Project name:     display_lvgl_demos
I (941) cpu_start: App version:      squareline-latest-29-geed37e1
I (948) cpu_start: Compile time:     Dec  2 2023 15:41:34
I (954) cpu_start: ELF file SHA256:  fb3ec2c6026f1bb4...
I (960) cpu_start: ESP-IDF:          v5.1.2
I (965) cpu_start: Min chip rev:     v0.0
I (969) cpu_start: Max chip rev:     v0.99
I (974) cpu_start: Chip rev:         v0.2
I (979) heap_init: Initializing. RAM available for dynamic allocation:
I (986) heap_init: At 3FC9BF28 len 0004D7E8 (309 KiB): DRAM
I (992) heap_init: At 3FCE9710 len 00005724 (21 KiB): STACK/DRAM
I (999) heap_init: At 3FCF0000 len 00008000 (32 KiB): DRAM
I (1005) heap_init: At 600FE010 len 00001FD8 (7 KiB): RTCRAM
I (1011) esp_psram: Adding pool of 15552K of PSRAM memory to heap allocator
I (1019) spi_flash: detected chip: gd
I (1023) spi_flash: flash io: qio
W (1027) spi_flash: Detected size(16384k) larger than the size in the binary image header(2048k). Using the size in the binary image header.
I (1041) sleep: Configure to isolate all GPIO pins in sleep state
I (1048) sleep: Enable automatic switching of GPIO sleep configuration
I (1055) app_start: Starting scheduler on CPU0
I (1060) app_start: Starting scheduler on CPU1
I (1060) main_task: Started on CPU0
I (1070) esp_psram: Reserving pool of 32K of internal memory for DMA/internal allocations
I (1078) main_task: Calling app_main()
I (1083) bsp_probe: Detect module with 16MB PSRAM
I (1088) bsp_probe: Detect sub_board3 with 800x480 LCD (ST7262), Touch (GT1151)
I (1096) bsp_sub_board: Initialize RGB panel
I (1134) gt1151: IC version: GT1158_000101(Patch)_0102(Mask)_00(SensorID)
I (1136) bsp_lvgl_port: Create LVGL task
I (1136) bsp_lvgl_port: Starting LVGL task
I (1164) app_main: Avoid lcd tearing effect
I (1165) app_main: LVGL direct-mode
W (1165) S3-LCD-EV-BOARD: This board doesn't support to change brightness of LCD
I (1171) app_main: Display LVGL demo
I (1370) main_task: Returned from app_main()