ESPHome mipi_spi display configuration for CO5300

ESPHome
1

Hi,

I have a Waveshare ESP32C6 1.43 round display device that I am tying to configure. Based on the ESPHome documentation, I have configured the display with following configuration.

display:
  - platform: mipi_spi
    id: disp1
    model: CO5300
    reset_pin: 3
    cs_pin: 10
    bus_mode: quad
    dimensions:
      height: 466
      width: 466
    color_depth: 16
    buffer_size: 50%
    init_sequence:
    - [ 0xD0, 0x07, 0x42, 0x18]
    - delay 10ms
    - [ 0xD1, 0x00, 0x07, 0x10]

    lambda: |-
      // Draw a circle to match the round screen
      it.circle(233, 233, 230, id(my_blue_color));
      it.print(233, 233, id(my_font), TextAlign::CENTER, "C6 AMOLED");

I am still not getting a clean display. I am setting buffer size to 50% as this ESP32 variant does not support PSRAM.

Attaching an image for reference.

Screenshot 2026-01-04 223505
Screenshot 2026-01-04 2235051632×2073 40.6 KB

Entire configuration can be found here

Thanking you
Satish Rajanna

2

I see the same effect with the line in the centre and the green colour bar on the right. I’m using an ESP32-S3 with 8 MB of PSRAM.

I think there must be another root cause. Have you made any progress with this?

Regards,

Dirk

3

Not sure about the artifacts across, but the line on the right means the display dimensions need an offset - the viewable area doesn’t start at 0. Experiment with offset values (try x_offset of 2 to start with) and see what effect there is.

4

THX i solved the green lines by adding

offset_width: 6

The horizontal corrupted line could be removed by

buffer_size: 100%

My display has 8MB of PSRAM so it was possible to increase the buffer to 100%.

Would be interesting if there is another way to solve it.

Thanks for the hint!

Dirk

1 Like
5

If you have PSRAM there’s no issue with the large buffer, but in any case using LVGL will work much better on a hi-res display like that.

1 Like
6

Thanks to your help i got everything working.

I created a forum post explaining how to configure the display.

https://community.home-assistant.io/t/touch-knob-display-uedx46460015-md50esp32-1-5inch-example/982434?u=stb3

1 Like