light9 Changeset - 02eb0e99bba5

Changeset - 02eb0e99bba5

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drewp@bigasterisk.com - 6 years ago 2019-06-10 02:28:19
drewp@bigasterisk.com

reformat
Ignore-this: c3c95bdb8f0c67cb898b9eba71d7d97

1 file changed with 10 insertions and 8 deletions:

bcf2000.py

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bcf2000.py

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 #!/usr/bin/python
 import math
 import twisted.internet.fdesc
 from twisted.internet import reactor
 from twisted.internet.task import LoopingCall
 from typing import Dict
 class BCF2000(object):
     control = {81 : "slider1", 82 : "slider2", 83 : "slider3", 84 : "slider4",
 : "slider5", 86 : "slider6", 87 : "slider7", 88 : "slider8",
 : "knob1",  2 : "knob2",  3 : "knob3",  4 : "knob4",
 : "knob5",  6 : "knob6",  7 : "knob7",  8 : "knob8",
 : "button-knob1", 34 : "button-knob2",
 : "button-knob3", 36 : "button-knob4",
 : "button-knob5", 38 : "button-knob6",
 : "button-knob7", 40 : "button-knob8",
 : "button-upper1",  66 : "button-upper2",
 : "button-upper3",  68 : "button-upper4",
 : "button-upper5",  70 : "button-upper6",
 : "button-upper7",  72 : "button-upper8",
@@ @@ -27,25 +28,25 @@ class BCF2000(object): @@
 : "button-lower3",  76 : "button-lower4",
 : "button-lower5",  78 : "button-lower6",
 : "button-lower7",  80 : "button-lower8",
 : "button-corner1", 90 : "button-corner2",
 : "button-corner3", 92 : "button-corner4",
+               }
     def __init__(self, dev="/dev/snd/midiC2D0"):
         """device was usually /dev/snd/midiC1D0 but then it showed up
         once as C0D0. It should be autodetected"""
         self.devPath = dev
         self.dev = None
         self.lastValue: Dict[str, int] = {} # control name : value
+        self.lastValue: Dict[str, int] = {}  # control name : value
         self.reopen()
         self.packet = b""
         loop = LoopingCall(self.poll)
         loop.start(.01)
     def poll(self):
         try:
             newData = self.dev.read(3)
         except (IOError, AttributeError):
             return
         if newData is None:
             return
@@ @@ -69,48 +70,49 @@ class BCF2000(object): @@
             print("unknown control %s to %s" % (which, value))
     def reopen(self):
         if self.dev is not None:
             try:
                 self.dev.close()
             except IOError:
                 pass
         self.lastValue.clear()
         self.dev = open(self.devPath, "rb+", buffering=0)
         twisted.internet.fdesc.setNonBlocking(self.dev)
     def valueIn(self, name, value):
         """override this with your handler for when events come in
         from the hardware"""
         print("slider %s to %s" % (name, value))
         if name == 'slider1':
             for x in range(2,8+1):
+            for x in range(2, 8 + 1):
                 v2 = int(64 + 64 * math.sin(x / 3 + value / 10))
                 self.valueOut('slider%d' % x, v2)
             for x in range(1,8+1):
                 self.valueOut('button-upper%s' % x, value > x*15)
                 self.valueOut('button-lower%s' % x, value > (x*15+7))
             for x in range(1, 8 + 1):
                 self.valueOut('button-upper%s' % x, value > x * 15)
                 self.valueOut('button-lower%s' % x, value > (x * 15 + 7))
     def valueOut(self, name, value):
         """call this to send an event to the hardware"""
         if self.dev is None:
             return
         value = int(value)
         if self.lastValue.get(name) == value:
             return
         self.lastValue[name] = value
         which = [k for k,v in list(self.control.items()) if v == name]
+        which = [k for k, v in list(self.control.items()) if v == name]
         assert len(which) == 1, "unknown control name %r" % name
         if name.startswith('button-'):
             value = value * 127
         #print "bcf: write %s %s" % (name, value)
         self.dev.write(bytes([0xb0, which[0], int(value)]))
     def close(self):
         self.dev.close()
         self.dev = None
 if __name__ == '__main__':
     b = BCF2000()
     reactor.run()

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