Files
r_e_c_u_r/user_input/midi_input.py
2018-04-18 23:32:32 +00:00

73 lines
2.8 KiB
Python

import string
import datetime
import mido
class MidiInput(object):
def __init__(self, root, message_handler, display, actions, data):
self.root = root
self.message_handler = message_handler
self.display = display
self.actions = actions
self.midi_mappings = data.get_midi_mapping_data()
self.midi_device = None
self.midi_delay = 1
#self.midi_mappings = data.get_midi_mapping_data()
self.open_port()
def poll_midi_input(self):
for message in self.midi_device.iter_pending():
if not message.dict()['type'] == 'clock':
print(message)
try:
pass#print('{} {} {}'.format(message.dict()['type'],message.dict()['note'],message.dict()['velocity']))
except:
pass
self.on_midi_message(message)
self.root.after(self.midi_delay, self.poll_midi_input)
def open_port(self):
print('gonna try open this port!')
midi_ports = mido.get_input_names()
midi_device_on_port_20 = [s for s in midi_ports if '20:0' in s]
if midi_device_on_port_20:
self.midi_device = mido.open_input(midi_device_on_port_20[0])
self.message_handler.set_message('INFO', 'listening to midi device {}'.format(self.midi_device.name))
self.poll_midi_input()
def on_midi_message(self, message):
message_dict = message.dict()
if message_dict['type'] == 'note_on' and message_dict['velocity'] == 0:
print('!!!!!')
message_dict['type'] = 'note_off'
mapped_message_name = message_dict['type']
if 'note' in message_dict:
mapped_message_name = '{} {}'.format(mapped_message_name,message_dict['note'])
#print(mapped_message_name)
if mapped_message_name in self.midi_mappings.keys():
self.run_action_for_mapped_message(mapped_message_name)
else:
pass#print('{} is not in midi map'.format(mapped_message_name))
def run_action_for_mapped_message(self, message_name):
this_mapping = self.midi_mappings[message_name]
if self.display.control_mode in this_mapping:
mode = self.display.control_mode
elif 'DEFAULT' in this_mapping:
mode = 'DEFAULT'
if self.message_handler.function_on and len(this_mapping[mode]) > 1:
print('the action being called is {}'.format(this_mapping[mode][1]))
getattr(self.actions, this_mapping[mode][1])()
else:
print('the action being called is {}'.format(this_mapping[mode][0]))
getattr(self.actions, this_mapping[mode][0])()
self.display.refresh_display()