lib/lufa/Projects/AVRISP-MKII/AVRISPDescriptors.h


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generated by cgit v1.2.3 (git 2.25.1) at 2025-06-28 02:52:38 +0000
 

>h - 2.09439;
        g = 65535.0f * i/3.0f *(1.0f + s * cosf(h) / cosf(1.047196667f - h));
        b = 65535.0f * i/3.0f *(1.0f + s * (1.0f - cosf(h) / cosf(1.047196667f - h)));
        r = 65535.0f * i/3.0f *(1.0f - s);
    } else {
        h = h - 4.188787;
        b = 65535.0f*i/3.0f * (1.0f + s * cosf(h) / cosf(1.047196667f - h));
        r = 65535.0f*i/3.0f * (1.0f + s * (1.0f - cosf(h) / cosf(1.047196667f - h)));
        g = 65535.0f*i/3.0f * (1.0f - s);
    }
    *r_out = r > 65535 ? 65535 : r;
    *g_out = g > 65535 ? 65535 : g;
    *b_out = b > 65535 ? 65535 : b;
}

void lcd_backlight_color(uint8_t hue, uint8_t saturation, uint8_t intensity) {
    uint16_t r, g, b;
    float hue_f = 360.0f * (float)hue / 255.0f;
    float saturation_f = (float)saturation / 255.0f;
    float intensity_f = (float)intensity / 255.0f;
    intensity_f *= (float)current_brightness / 255.0f;
    hsi_to_rgb(hue_f, saturation_f, intensity_f, &r, &g, &b);
	current_hue = hue;
	current_saturation = saturation;
	current_intensity = intensity;
	lcd_backlight_hal_color(r, g, b);
}

void lcd_backlight_brightness(uint8_t b) {
    current_brightness = b;
    lcd_backlight_color(current_hue, current_saturation, current_intensity);
}

uint8_t lcd_get_backlight_brightness(void) {
	return current_brightness;
}