From: Martin Mares <mj@ucw.cz>
Date: Wed, 24 May 2023 20:50:02 +0000 (+0200)
Subject: Better IR control of lights
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fmaster;p=ursary.git

Better IR control of lights
---

diff --git a/ursaryd.c b/ursaryd.c
index 237e0af..1d0e5ff 100644
--- a/ursaryd.c
+++ b/ursaryd.c
@@ -491,7 +491,6 @@ static bool lights_on[2];
 static double lights_brightness[2];
 static double lights_temperature[2];
 static timestamp_t lights_last_update[2];
-static int lights_ir_channel;	// 2 if temperature
 
 static void update_lights(void)
 {
@@ -568,32 +567,43 @@ static void update_lights_from_button(int ch, int on)
     }
 }
 
-static void update_lights_from_ir(int ch, int state)
+static void update_lights_from_ir(int ch, int dir)
 {
-  lights_on[ch] = state;
-  send_lights(ch);
-  lights_ir_channel = ch;
-}
-
-static void update_lights_ir_num(int num)
-{
-  if (lights_ir_channel < 2)
+  if (lights_on[ch])
+    lights_brightness[ch] = CLAMP(lights_brightness[ch] + 0.07*dir, 0., 1.);
+  else if (dir > 0)
     {
-      lights_brightness[lights_ir_channel] = num / 9.;
-      send_lights(lights_ir_channel);
+      lights_on[ch] = 1;
+      lights_brightness[ch] = 1;
     }
   else
     {
-      lights_temperature[0] = num / 9.;
-      lights_temperature[1] = num / 9.;
-      send_lights(0);
-      send_lights(1);
+      lights_on[ch] = 1;
+      lights_brightness[ch] = 0.05;
     }
+  send_lights(ch);
+}
+
+static void update_lights_on_off_ir(int ch)
+{
+  lights_on[ch] ^= 1;
+  send_lights(ch);
 }
 
-static void update_lights_ir_full(void)
+static void update_lights_temp_ir(void)
 {
-  lights_brightness[0] = lights_brightness[1] = 1;
+  if (!lights_on[0] && !lights_on[1])
+    return;
+
+  double t = (lights_temperature[0] + lights_temperature[1]) / 2;
+  if (t >= 0.66)
+    t = 0;
+  else if (t < 0.33)
+    t = 0.5;
+  else
+    t = 1;
+  lights_temperature[0] = lights_temperature[1] = t;
+
   send_lights(0);
   send_lights(1);
 }
@@ -848,19 +858,17 @@ static void notify_ir(const char *key)
   if (!strcmp(key, "preset+"))
     update_lights_from_ir(1, 1);
   else if (!strcmp(key, "preset-"))
-    update_lights_from_ir(1, 0);
+    update_lights_from_ir(1, -1);
   else if (!strcmp(key, "tuning-up"))
     update_lights_from_ir(0, 1);
   else if (!strcmp(key, "tuning-down"))
-    update_lights_from_ir(0, 0);
-  else if (strlen(key) == 1 && key[0] >= '0' && key[0] <= '9')
-    update_lights_ir_num(key[0] - '0');
-  else if (!strcmp(key, "10/0"))
-    update_lights_ir_num(0);
+    update_lights_from_ir(0, -1);
   else if (!strcmp(key, "band"))
-    lights_ir_channel = 2;
+    update_lights_on_off_ir(1);
   else if (!strcmp(key, "fm-mode"))
-    update_lights_ir_full();
+    update_lights_on_off_ir(0);
+  else if (!strcmp(key, "dimmer"))
+    update_lights_temp_ir();
 
   // Player
   else if (!strcmp(key, "play"))