mg/qmk_sweep_skeletyl
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Fix AVR backlight breathing: low brightness limit & exceeding breathing table max index (#16770)

Browse source 
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: David Hoelscher <infinityis@users.noreply.github.com>
This commit is contained in:
customMK 2022-04-22 02:33:59 -05:00 committed by GitHub
parent a372ddcfed
commit 0100629fa2
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
quantum/backlight/backlight_avr.c
View file

@ -405,14 +405,18 @@ ISR(TIMERx_OVF_vect)
uint16_t interval = (uint16_t)get_breathing_period() * breathing_ISR_frequency / BREATHING_STEPS;
// resetting after one period to prevent ugly reset at overflow.
breathing_counter = (breathing_counter + 1) % (get_breathing_period() * breathing_ISR_frequency);
uint8_t index = breathing_counter / interval % BREATHING_STEPS;
uint8_t index = breathing_counter / interval;
// limit index to max step value
if (index >= BREATHING_STEPS) {
index = BREATHING_STEPS - 1;
}
if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) || ((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1))) {
breathing_interrupt_disable();
}
// Set PWM to a brightnessvalue scaled to the configured resolution
set_pwm(cie_lightness(rescale_limit_val(scale_backlight((uint16_t)pgm_read_byte(&breathing_table[index]) * ICRx / 255))));
set_pwm(cie_lightness(rescale_limit_val(scale_backlight((uint32_t)pgm_read_byte(&breathing_table[index]) * ICRx / 255))));
}
#endif // BACKLIGHT_BREATHING