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@@ -237,8 +237,8 @@ static uint16_t cie_lightness(uint16_t v) {
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return v / 9; // Same as dividing by 900%
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} else {
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// In the next two lines values are bit-shifted. This is to avoid loosing decimals in integer math.
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- 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)
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- 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)
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+ 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)
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+ 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)
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if (out > ICRx) // Avoid overflows
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{
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@@ -297,7 +297,7 @@ static uint16_t breathing_counter = 0;
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static uint8_t breath_scale_counter = 1;
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/* Run the breathing loop at ~120Hz*/
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-const uint8_t breathing_ISR_frequency = 120;
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+const uint8_t breathing_ISR_frequency = 120;
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static uint16_t breathing_freq_scale_factor = 2;
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# ifdef BACKLIGHT_PWM_TIMER
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@@ -327,14 +327,14 @@ bool is_breathing(void) { return !!(TIMSKx & _BV(TOIEx)); }
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} while (0)
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# endif
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-# define breathing_min() \
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- do { \
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- breathing_counter = 0; \
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- } while (0)
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-# define breathing_max() \
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- do { \
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- breathing_counter = breathing_period * breathing_ISR_frequency / 2; \
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- } while (0)
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+# define breathing_min() \
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+ do { \
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+ breathing_counter = 0; \
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+ } while (0)
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+# define breathing_max() \
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+ do { \
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+ breathing_counter = breathing_period * breathing_ISR_frequency / 2; \
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+ } while (0)
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void breathing_enable(void) {
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breathing_counter = 0;
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@@ -385,18 +385,15 @@ ISR(TIMERx_OVF_vect)
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{
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// Only run this ISR at ~120 Hz
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- if(breath_scale_counter++ == breathing_freq_scale_factor)
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- {
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+ if (breath_scale_counter++ == breathing_freq_scale_factor) {
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breath_scale_counter = 1;
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- }
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- else
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- {
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+ } else {
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return;
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}
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uint16_t interval = (uint16_t)breathing_period * breathing_ISR_frequency / BREATHING_STEPS;
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// resetting after one period to prevent ugly reset at overflow.
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breathing_counter = (breathing_counter + 1) % (breathing_period * breathing_ISR_frequency);
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- uint8_t index = breathing_counter / interval % BREATHING_STEPS;
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+ uint8_t index = breathing_counter / interval % BREATHING_STEPS;
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if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) || ((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1))) {
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breathing_interrupt_disable();
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@@ -435,21 +432,21 @@ void backlight_init_ports(void) {
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*/
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TCCRxA = _BV(COMxx1) | _BV(WGM11); // = 0b00001010;
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TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
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-# endif
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+#endif
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-# ifdef BACKLIGHT_CUSTOM_RESOLUTION
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-# if (BACKLIGHT_CUSTOM_RESOLUTION > 0xFFFF || BACKLIGHT_CUSTOM_RESOLUTION < 1)
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-# error "This out of range of the timer capabilities"
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-# elif (BACKLIGHT_CUSTOM_RESOLUTION < 0xFF)
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-# warning "Resolution lower than 0xFF isn't recommended"
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-# endif
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-# ifdef BACKLIGHT_BREATHING
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+#ifdef BACKLIGHT_CUSTOM_RESOLUTION
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+# if (BACKLIGHT_CUSTOM_RESOLUTION > 0xFFFF || BACKLIGHT_CUSTOM_RESOLUTION < 1)
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+# error "This out of range of the timer capabilities"
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+# elif (BACKLIGHT_CUSTOM_RESOLUTION < 0xFF)
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+# warning "Resolution lower than 0xFF isn't recommended"
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+# endif
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+# ifdef BACKLIGHT_BREATHING
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breathing_freq_scale_factor = F_CPU / BACKLIGHT_CUSTOM_RESOLUTION / 120;
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-# endif
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+# endif
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ICRx = BACKLIGHT_CUSTOM_RESOLUTION;
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-# else
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- ICRx = TIMER_TOP;
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-# endif
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+#else
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+ ICRx = TIMER_TOP;
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+#endif
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backlight_init();
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#ifdef BACKLIGHT_BREATHING
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