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-rw-r--r--quantum/backlight/backlight_avr.c55
1 files changed, 26 insertions, 29 deletions
diff --git a/quantum/backlight/backlight_avr.c b/quantum/backlight/backlight_avr.c
index 59050e2505..e3fe56aba3 100644
--- a/quantum/backlight/backlight_avr.c
+++ b/quantum/backlight/backlight_avr.c
@@ -237,8 +237,8 @@ static uint16_t cie_lightness(uint16_t v) {
return v / 9; // Same as dividing by 900%
} else {
// In the next two lines values are bit-shifted. This is to avoid loosing decimals in integer math.
- uint32_t y = (((uint32_t)v + ICRx / 6) << 5) / (ICRx / 6 + ICRx); // If above 8%, add ~16% of max, and normalize with (max + ~16% max)
- uint32_t out = (y * y * y * ICRx) >> 15; // Cube it and undo the bit-shifting. (which is now three times as much due to the cubing)
+ uint32_t y = (((uint32_t)v + ICRx / 6) << 5) / (ICRx / 6 + ICRx); // If above 8%, add ~16% of max, and normalize with (max + ~16% max)
+ uint32_t out = (y * y * y * ICRx) >> 15; // Cube it and undo the bit-shifting. (which is now three times as much due to the cubing)
if (out > ICRx) // Avoid overflows
{
@@ -297,7 +297,7 @@ static uint16_t breathing_counter = 0;
static uint8_t breath_scale_counter = 1;
/* Run the breathing loop at ~120Hz*/
-const uint8_t breathing_ISR_frequency = 120;
+const uint8_t breathing_ISR_frequency = 120;
static uint16_t breathing_freq_scale_factor = 2;
# ifdef BACKLIGHT_PWM_TIMER
@@ -327,14 +327,14 @@ bool is_breathing(void) { return !!(TIMSKx & _BV(TOIEx)); }
} while (0)
# endif
-# define breathing_min() \
- do { \
- breathing_counter = 0; \
- } while (0)
-# define breathing_max() \
- do { \
- breathing_counter = breathing_period * breathing_ISR_frequency / 2; \
- } while (0)
+# define breathing_min() \
+ do { \
+ breathing_counter = 0; \
+ } while (0)
+# define breathing_max() \
+ do { \
+ breathing_counter = breathing_period * breathing_ISR_frequency / 2; \
+ } while (0)
void breathing_enable(void) {
breathing_counter = 0;
@@ -385,18 +385,15 @@ ISR(TIMERx_OVF_vect)
{
// Only run this ISR at ~120 Hz
- if(breath_scale_counter++ == breathing_freq_scale_factor)
- {
+ if (breath_scale_counter++ == breathing_freq_scale_factor) {
breath_scale_counter = 1;
- }
- else
- {
+ } else {
return;
}
uint16_t interval = (uint16_t)breathing_period * breathing_ISR_frequency / BREATHING_STEPS;
// resetting after one period to prevent ugly reset at overflow.
breathing_counter = (breathing_counter + 1) % (breathing_period * breathing_ISR_frequency);
- uint8_t index = breathing_counter / interval % BREATHING_STEPS;
+ uint8_t index = breathing_counter / interval % BREATHING_STEPS;
if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) || ((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1))) {
breathing_interrupt_disable();
@@ -435,21 +432,21 @@ void backlight_init_ports(void) {
*/
TCCRxA = _BV(COMxx1) | _BV(WGM11); // = 0b00001010;
TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
-# endif
+#endif
-# ifdef BACKLIGHT_CUSTOM_RESOLUTION
-# if (BACKLIGHT_CUSTOM_RESOLUTION > 0xFFFF || BACKLIGHT_CUSTOM_RESOLUTION < 1)
-# error "This out of range of the timer capabilities"
-# elif (BACKLIGHT_CUSTOM_RESOLUTION < 0xFF)
-# warning "Resolution lower than 0xFF isn't recommended"
-# endif
-# ifdef BACKLIGHT_BREATHING
+#ifdef BACKLIGHT_CUSTOM_RESOLUTION
+# if (BACKLIGHT_CUSTOM_RESOLUTION > 0xFFFF || BACKLIGHT_CUSTOM_RESOLUTION < 1)
+# error "This out of range of the timer capabilities"
+# elif (BACKLIGHT_CUSTOM_RESOLUTION < 0xFF)
+# warning "Resolution lower than 0xFF isn't recommended"
+# endif
+# ifdef BACKLIGHT_BREATHING
breathing_freq_scale_factor = F_CPU / BACKLIGHT_CUSTOM_RESOLUTION / 120;
-# endif
+# endif
ICRx = BACKLIGHT_CUSTOM_RESOLUTION;
-# else
- ICRx = TIMER_TOP;
-# endif
+#else
+ ICRx = TIMER_TOP;
+#endif
backlight_init();
#ifdef BACKLIGHT_BREATHING