1 files changed, 47 insertions, 4 deletions
diff --git a/.config/SuperCollider/functions.scd b/.config/SuperCollider/functions.scd
index 731760a..3f27e31 100644
--- a/.config/SuperCollider/functions.scd
+++ b/.config/SuperCollider/functions.scd
@@ -40,7 +40,7 @@ postln('Loading custom functions.');
 // makes the tuple available in ~additionalChannels Dictionairy
 ~addAdditionalChannels = {
   arg type, name, channels;
-  if( name.isKindOf(Symbol) && channels.isArray, {
+  if( (name.isKindOf(Symbol) && channels.isArray), {
     switch (type,
       \input, {
         ~additionalChannels.at(\inputs).add(name -> channels);
@@ -54,10 +54,10 @@ postln('Loading custom functions.');
         Server.local.options.numOutputBusChannels = Server.local.options.numOutputBusChannels + channels.size;
         postln("Setting numOutputBusChannels to "++Server.local.options.numOutputBusChannels);
       },
-      { postln("Expecting \input or \output as type, got "++type.asString);
-    });
+      { error("Expecting \input or \output as type, got "++type.asString);
+      });
   },{
-    postln('Expecting type Symbol for name and type Array for channels.');
+    error('Expecting type Symbol for name and type Array for channels.');
   });
 };
 
@@ -126,4 +126,47 @@ postln('Loading custom functions.');
   });
 };
 
+/*
+ * MIDI specific helper functions
+ * TODO: move to Quark
+ */
 
+// map inputs of a given MIDI device's control messages to the values on a
+// control Bus
+~midiControlToBus = {
+  arg key, msgNum, chan, uid, bus;
+  if(key.isKindOf(Symbol),{
+    if((msgNum.isArray),{
+      if (chan.isInteger, {
+        if (uid.isInteger, {
+          if (bus.isKindOf(Bus), {
+            MIDIdef.new(
+              key: key,
+              func: {
+                arg ...args;
+                bus.setAt(
+                  msgNum.indexOf(args[1].asInteger),
+                  args[0].asInteger.lincurve(0, 127, 0.0, 1.0, 4, nil)
+                );
+              },
+              msgNum: msgNum,
+              chan: chan,
+              msgType: \control,
+              srcID: uid
+            );
+          },{
+          error('Argument bus must be of type Bus: '++bus.class);
+          });
+        },{
+        error('Argument uid must be of type Integer: '++uid.class);
+        });
+      },{
+        error('Argument chan must be of type Integer: '++chan.class);
+      });
+    },{
+      error('Argument msgNum must be of type Array: '++msgNum.class);
+    });
+  },{
+    error('Argument key must be of type Symbol: '++key.class);
+  });
+};