+/*** Lights ***/
+
+static bool lights_on[2];
+static double lights_brightness[2];
+static double lights_temperature[2];
+
+static void update_lights(void)
+{
+ if (!dmx_is_ready())
+ {
+ noct_set_ring(3, RING_MODE_SINGLE_ON, 0x7f);
+ noct_set_button(11, 0);
+ return;
+ }
+
+ for (uint i=0; i<1; i++)
+ {
+ uint warm, cold;
+ if (lights_on[i])
+ {
+ noct_set_ring(3, RING_MODE_LEFT, lights_brightness[i] * 127);
+ noct_set_button(11, 1);
+ double r = 2;
+ double x = (exp(r*lights_brightness[i]) - 1) / (exp(r) - 1);
+ double t = lights_temperature[i];
+ double w = 2*x*(1-t);
+ double c = 2*x*t;
+ warm = CLAMP((int)(255*w), 0, 255);
+ cold = CLAMP((int)(255*c), 0, 255);
+ }
+ else
+ {
+ noct_set_ring(3, RING_MODE_LEFT, 0);
+ noct_set_button(11, 0);
+ warm = cold = 0;
+ }
+ DBG("Lights[%d]: on=%d bri=%.3f temp=%.3f -> warm=%d cold=%d", i, lights_on[i], lights_brightness[i], lights_temperature[i], warm, cold);
+ dmx_set_pwm(2*i, warm);
+ dmx_set_pwm(2*i+1, cold);
+ }
+}
+
+static void update_lights_from_rotary(int ch, int delta)
+{
+ if (lights_on[ch])
+ lights_brightness[ch] = CLAMP(lights_brightness[ch] + 0.015*delta*abs(delta), 0., 1.);
+ update_lights();
+}
+
+static void update_lights_from_slider(int value)
+{
+ lights_temperature[0] = value / 127.;
+ update_lights();
+}
+
+static void lights_button_timeout(struct main_timer *t)
+{
+ int ch = (uintptr_t) t->data;
+ DBG("Lights[%d]: Full throttle!", ch);
+ timer_del(t);
+ lights_on[ch] = 1;
+ lights_brightness[ch] = 1;
+ update_lights();
+}
+
+static void update_lights_from_button(int ch, int on)
+{
+ static struct main_timer lights_button_timer[2] = {{
+ .handler = lights_button_timeout,
+ .data = (void *)(uintptr_t) 0,
+ },{
+ .handler = lights_button_timeout,
+ .data = (void *)(uintptr_t) 1,
+ }};
+
+ if (on)
+ {
+ lights_on[ch] = !lights_on[ch];
+ update_lights();
+ timer_add_rel(&lights_button_timer[ch], 1000);
+ }
+ else
+ timer_del(&lights_button_timer[ch]);
+}
+
projects / ursary.git / blobdiff