Enable encoder handling

1 files changed, 29 insertions, 0 deletions

diff --git a/console.py b/console.py
index 8aaef17..7d6650c 100644
--- a/console.py
+++ b/console.py
@@ -138,6 +138,25 @@ class Console():
             else:
                 button.press()
 
+    def handle_encoder(self, index, before, after):
+        strip1 = (index * 2 - 19)
+        strip2 = (index * 2 - 18)
+        bval1 = before & 0xffff
+        bval2 = before >> 0x10
+        aval1 = after & 0xffff
+        aval2 = after >> 0x10
+
+        delta1 = roll_over_delta(aval1 - bval1)
+        delta2 = roll_over_delta(aval2 - bval2)
+
+        if delta1:
+            if self.state.get('encoder_mode', '') == 'PAN':
+                self.strips[strip1].send_pan(delta1)
+
+        if delta2:
+            if self.state.get('encoder_mode', '') == 'PAN':
+                self.strips[strip2].send_pan(delta2)
+
     def handle_control(self, unit, index, before, after):
 
         print('{0:02d}: {1:08x} {2:08x}'.format(index, before, after))
@@ -251,6 +270,16 @@ class Console():
         self.more_banks_down = bool(more_down)
 
 
+def roll_over_delta(delta, ceiling=0xffff):
+
+    print(delta)
+    if delta > ceiling - 10:
+        return delta - (ceiling + 1)
+    if delta < -ceiling + 10:
+        return delta + (ceiling + 1)
+    return delta
+
+
 def _check_hexadecimal(literal):
     if literal.find('0x') == 0:
         literal = literal[2:]