Seich
/
arduino_midi_library
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Bidirectionnal MIDI.

This commit is contained in:
Francois Best 2014-04-10 23:36:52 +02:00
parent d0523b3fc1
commit 8541a2af1b
1 changed files with 40 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
res/validator/midi.py
View File

@ -44,58 +44,71 @@ class Midi:
class MidiInterface: class MidiInterface:
def __init__(self, listenerCallback = None): def __init__(self, listenerCallback = None):
self.interface = rtmidi.MidiIn() self.input = rtmidi.MidiIn()
self.output = rtmidi.MidiOut()
self.listenerCallback = listenerCallback self.listenerCallback = listenerCallback
self.ports = self.getAvailablePorts() self.ports = self.getAvailablePorts()
self.port = self.connect(self.choosePort()) self.port = self.connect(self.choosePorts())
# -------------------------------------------------------------------------- # --------------------------------------------------------------------------
def read(self):
pass
def handleMidiInput(self, message, timestamp): def handleMidiInput(self, message, timestamp):
midiData = message[0] midiData = message[0]
print(midiData)
if self.listenerCallback: if self.listenerCallback:
self.listenerCallback(midiData) self.listenerCallback(midiData)
def send(self, message):
print('Sending', message)
self.output.send_message(message)
# -------------------------------------------------------------------------- # --------------------------------------------------------------------------
def getAvailablePorts(self): def getAvailablePorts(self):
return self.interface.get_ports() return {
'input' : self.input.get_ports(),
'output': self.output.get_ports(),
}
def choosePort(self): def choosePorts(self):
if not self.ports: return {
'input' : self.choosePort(self.ports['input'], 'input'),
'output': self.choosePort(self.ports['output'], 'output')
}
def choosePort(self, ports, direction):
if not ports:
print('No MIDI ports available, bailing out.') print('No MIDI ports available, bailing out.')
return None return None
if len(self.ports) == 1: if len(ports) == 1:
return (0, self.ports[0]) return {
'id': 0,
'name': ports[0]
}
else: else:
# Give a choice # Give a choice
print('Multiple ports available, please make a choice:') print('Multiple %s ports available, please make a choice:' % direction)
choices = [] choices = dict()
for port, i in zip(self.ports, range(0, len(self.ports))): for port, i in zip(ports, range(0, len(ports))):
choices.append((i, port)) choices[i] = port
print(' [%d]' % i, port) print(' [%d]' % i, port)
choiceIndex = int(input('-> ')) choiceIndex = int(input('-> '))
return choices[choiceIndex] return {
'id': choiceIndex,
'name': choices[choiceIndex]
}
# -------------------------------------------------------------------------- # --------------------------------------------------------------------------
def connect(self, port): def connect(self, ports):
if not port: if not ports:
return None return None
print(port)
print('Connecting to %s' % port[1])
self.interface.set_callback(self.handleMidiInput)
self.interface.open_port(port[0])
return port
print('Connecting input to %s' % ports['input']['name'])
print('Connecting output to %s' % ports['output']['name'])
midi = MidiInterface() self.input.set_callback(self.handleMidiInput)
self.input.open_port(ports['input']['id'])
while True: self.output.open_port(ports['output']['id'])
midi.read() return ports