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Fix horizontal mirroring for ILI9488 display by updating MADCTL settings and resetting rotation to 0

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This commit is contained in:
Joshua King
2026-03-06 20:32:08 -05:00
parent a2eb2b6106
commit 82ba5d420c
1 changed files with 10 additions and 1 deletions
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11
esphome/cat-medication-tracker.yaml
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@@ -10,6 +10,15 @@ esphome:
then: then:
- light.turn_on: backlight - light.turn_on: backlight
- delay: 300ms - delay: 300ms
- lambda: |-
// Override MADCTL to 0x48: MX=1, BGR=1 — fixes horizontal mirror
// DC pin (GPIO2) is regular GPIO; use SPIDevice for CS/data
digitalWrite(2, LOW); // DC = command
id(my_display)->enable(); // assert CS
id(my_display)->transfer(0x36); // MADCTL command
digitalWrite(2, HIGH); // DC = data
id(my_display)->transfer(0x48); // MX=1, BGR=1
id(my_display)->disable(); // deassert CS
- component.update: my_display - component.update: my_display
esp32: esp32:
@@ -64,7 +73,7 @@ display:
cs_pin: GPIO15 cs_pin: GPIO15
dc_pin: GPIO2 dc_pin: GPIO2
reset_pin: GPIO4 reset_pin: GPIO4
rotation: 180 rotation: 0
invert_colors: false invert_colors: false
color_order: bgr color_order: bgr
data_rate: 10MHz data_rate: 10MHz