Files
xiaozhi-esp32/main
Ted Feng 87cff80098 M5Stack Tab5's backlight doesn't need PWM inversion - the official demo uses direct duty cycle without any inversion flag. (#1764)
uint32_t duty_cycle = (4095 * brightness_percent) / 100;
ledc_set_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH, duty_cycle);

https://github.com/m5stack/M5Tab5-UserDemo/blob/main/platforms/tab5/components/m5stack_tab5/m5stack_tab5.c#L1088

Tested on M5Stack Tab5, the screen brightness is working correctly now, previously it's reversed.
2026-02-13 13:10:19 +08:00
..
2026-01-07 20:39:17 +08:00