ESP-BOX Display Audio Photo Example

This example demonstrates usage of ESP-BOX Board Support Package. This is a single purpose example, which is focused on display + touch applications: you can see list of files saved on SPIFFS. You can open certain file types like JPG images, WAV music files and TXT text files.

Example files are downloaded into ESP-BOX from spiffs_content folder.

How to use the example

Hardware Required

• ESP-BOX
• USB-C Cable

Compile and flash

idf.py -p COMx flash monitor

Example outputs

After initialization:

...
I (745) gpio: GPIO[4]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (745) gpio: GPIO[48]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (875) ESP-BOX: Starting LVGL task
I (875) ESP-BOX: Setting LCD backlight: 50%
I (1565) ES8311: ES8311 in Slave mode and I2S format
I (1575) I2S: DMA Malloc info, datalen=blocksize=2048, dma_desc_num=3
I (1575) I2S: DMA Malloc info, datalen=blocksize=2048, dma_desc_num=3
I (1575) I2S: I2S1, MCLK output by GPIO2
I (1575) gpio: GPIO[46]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (1585) ESP-BOX: Example initialization done.

When text file selected:

I (142855) DISP: Clicked: Readme.txt

When JPG file selected:

I (81275) DISP: Clicked: Death Star.jpg
I (81275) DISP: Decoding JPEG image...

When music file selected:

I (184605) DISP: Clicked: imperial_march.wav
I (191135) DISP: Number of channels: 1
I (191135) DISP: Bits per sample: 16
I (191135) DISP: Sample rate: 22050
I (191135) DISP: Data size: 1763806

BSP: Display Rotation Example

This example demonstrates usage of ESP-BOX Board Support Package. This is a single purpose example, which is focused on rotating LCD display: user can rotating display by buttons.

How to use the example

Hardware Required

• ESP-BOX
• USB-C Cable

Compile and flash

idf.py -p COMx flash monitor

Example outputs

I (241) cpu_start: ESP-IDF:          v5.0-dev-3434-g75b80d7a23
I (247) heap_init: Initializing. RAM available for dynamic allocation:
I (255) heap_init: At 3FC975C0 len 00048A40 (290 KiB): D/IRAM
I (261) heap_init: At 3FCE0000 len 0000EE34 (59 KiB): STACK/DRAM
I (268) heap_init: At 3FCF0000 len 00008000 (32 KiB): DRAM
I (274) heap_init: At 600FE000 len 00002000 (8 KiB): RTCRAM
I (281) spi_flash: detected chip: gd
I (284) spi_flash: flash io: dio
I (289) sleep: Configure to isolate all GPIO pins in sleep state
I (295) sleep: Enable automatic switching of GPIO sleep configuration
I (303) cpu_start: Starting scheduler on PRO CPU.
I (0) cpu_start: Starting scheduler on APP CPU.
I (325) gpio: GPIO[4]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (325) gpio: GPIO[48]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (455) ESP-BOX: Setting LCD backlight: 100%
I (455) ESP-BOX: Starting LVGL task
I (495) ESP-BOX: Example initialization done.

ESP-BOX Touch Screen Color Wheel Example

This example demonstrates usage of ESP-BOX Board Support Package. This is a single purpose example, which is focused on display + touch applications: user can change background color by selecting it on a color wheel on the touch screen.

Main screen

How to use the example

Hardware Required

• ESP-BOX
• USB-C Cable

Compile and flash

idf.py -p COMx flash monitor

Example outputs

After initialization:

...
I (323) cpu_start: Starting scheduler on PRO CPU.
I (0) cpu_start: Starting scheduler on APP CPU.
I (345) gpio: GPIO[4]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (345) gpio: GPIO[48]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (475) ESP-BOX: Starting LVGL task
I (475) ESP-BOX: Setting LCD backlight: 50%
I (515) ESP-BOX: Example initialization done.

When selected color:

I (3675) ESP-BOX: Selected color in RGB565: 0xdf49