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improved capture switching and serial midi

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langolierz
2018-10-15 15:54:46 +00:00
parent df6851a5a3
commit a17dde7da1
7 changed files with 124 additions and 35 deletions
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35
user_input/midi_input.py
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@@ -12,26 +12,25 @@ class MidiInput(object):
self.data = data
self.midi_mappings = data.midi_mappings
self.midi_device = None
self.midi_delay = 1
self.serial_port_process = None
self.midi_delay = 40
self.try_open_port()
def try_open_port(self):
midi_setting = self.data.settings['midi']['INPUT']['value']
#print('try open port : midi setting is {}'.format(midi_setting))
if midi_setting == 'usb':
self.stop_serial_port_process()
self.actions.stop_serial_port_process()
self.open_this_port_and_start_listening(20)
elif midi_setting == 'serial':
self.create_serial_port_process()
self.actions.create_serial_port_process()
self.open_this_port_and_start_listening(128)
else:
self.stop_serial_port_process()
self.actions.stop_serial_port_process()
self.root.after(1000, self.try_open_port)
def open_this_port_and_start_listening(self, port_number):
midi_ports = mido.get_input_names()
print('midi ports are {}'.format(midi_ports))
#print('midi ports are {}'.format(midi_ports))
midi_device_on_port = [s for s in midi_ports if '{}:0'.format(port_number) in s]
if midi_device_on_port:
if self.data.midi_status == 'disconnected':
@@ -49,6 +48,7 @@ class MidiInput(object):
i = i + 1
message_dict = message.dict()
midi_channel = midi_setting = self.data.settings['midi']['CHANNEL']['value'] - 1
if not message_dict['channel'] == midi_channel:
pass
## turning off noisey clock messages for now - may want to use them at some point
@@ -57,19 +57,25 @@ class MidiInput(object):
## trying to only let through step cc messages to increase response time
elif message_dict['type'] == 'control_change':
control_number = message_dict['control']
#print('control number is {} , cc_dict.keys is {}'.format(control_number, cc_dict.keys() ))
if not control_number in cc_dict.keys():
cc_dict[control_number] = message_dict['value']
self.on_midi_message(message_dict)
else:
step_size = 4
step_size = 3
ignore_range = range(cc_dict[control_number] - step_size,cc_dict[control_number] + step_size)
#print('value is {} and ignore range is {}'.format(message_dict['value'], ignore_range ))
if not message_dict['value'] in ignore_range:
cc_dict[control_number] = message_dict['value']
#print(message_dict)
self.on_midi_message(message_dict)
print(cc_dict)
#print(cc_dict)
else:
self.on_midi_message(message_dict)
if i > 0:
print('the number processed {}'.format(i))
pass
#print('the number processed {}'.format(i))
self.root.after(self.midi_delay, self.poll_midi_input)
def on_midi_message(self, message_dict):
@@ -105,6 +111,7 @@ class MidiInput(object):
print('the action being called is {}'.format(method_name))
if mapped_message_value is not None:
norm_message_value = mapped_message_value/127
else:
norm_message_value = None
self.call_method_name(method_name, norm_message_value)
@@ -118,15 +125,7 @@ class MidiInput(object):
else:
getattr(self.actions, method_name)()
def create_serial_port_process(self):
if self.serial_port_process == None:
self.serial_port_process = subprocess.Popen("exec " + "ttymidi -s /dev/serial0 -b 38400 -n serial", shell=True)
print('created the serial port process ? {}'.format(self.serial_port_process))
def stop_serial_port_process(self):
if self.serial_port_process is not None:
self.serial_port_process.kill()
self.serial_port_process = None