the other jimmy / mbed-sdk-tools

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-sdk-tools by mbed official

host_tests/midi.py@0:66f3b5499f7f, 2016-05-19 (annotated)

Committer:
screamer
Date:
Thu May 19 19:44:41 2016 +0100
Revision:
0:66f3b5499f7f
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:66f3b5499f7f 1 from __future__ import print_function
screamer 0:66f3b5499f7f 2 import sys
screamer 0:66f3b5499f7f 3 import re
screamer 0:66f3b5499f7f 4 import time
screamer 0:66f3b5499f7f 5 import mido
screamer 0:66f3b5499f7f 6 from mido import Message
screamer 0:66f3b5499f7f 7
screamer 0:66f3b5499f7f 8
screamer 0:66f3b5499f7f 9 def test_midi_in(port):
screamer 0:66f3b5499f7f 10 expected_messages_count=0
screamer 0:66f3b5499f7f 11 while expected_messages_count < 7:
screamer 0:66f3b5499f7f 12 for message in port.iter_pending():
screamer 0:66f3b5499f7f 13 if message.type in ('note_on', 'note_off', 'program_change', 'sysex'):
screamer 0:66f3b5499f7f 14 yield message
screamer 0:66f3b5499f7f 15 expected_messages_count+=1
screamer 0:66f3b5499f7f 16 time.sleep(0.1)
screamer 0:66f3b5499f7f 17
screamer 0:66f3b5499f7f 18 def test_midi_loopback(input_port):
screamer 0:66f3b5499f7f 19 expected_messages_count=0
screamer 0:66f3b5499f7f 20 while expected_messages_count < 1:
screamer 0:66f3b5499f7f 21 for message in input_port.iter_pending():
screamer 0:66f3b5499f7f 22 print('Test MIDI OUT loopback received {}'.format(message.hex()))
screamer 0:66f3b5499f7f 23 expected_messages_count+=1
screamer 0:66f3b5499f7f 24
screamer 0:66f3b5499f7f 25 def test_midi_out_loopback(output_port,input_port):
screamer 0:66f3b5499f7f 26 print("Test MIDI OUT loopback")
screamer 0:66f3b5499f7f 27 output_port.send(Message('program_change', program=1))
screamer 0:66f3b5499f7f 28 test_midi_loopback(input_port)
screamer 0:66f3b5499f7f 29
screamer 0:66f3b5499f7f 30 output_port.send(Message('note_on', note=21))
screamer 0:66f3b5499f7f 31 test_midi_loopback(input_port)
screamer 0:66f3b5499f7f 32
screamer 0:66f3b5499f7f 33 output_port.send(Message('note_off', note=21))
screamer 0:66f3b5499f7f 34 test_midi_loopback(input_port)
screamer 0:66f3b5499f7f 35
screamer 0:66f3b5499f7f 36 output_port.send(Message('sysex', data=[0x7E,0x7F,0x09,0x01]))
screamer 0:66f3b5499f7f 37 test_midi_loopback(input_port)
screamer 0:66f3b5499f7f 38
screamer 0:66f3b5499f7f 39 output_port.send(Message('sysex', data=[0x7F,0x7F,0x04,0x01,0x7F,0x7F]))
screamer 0:66f3b5499f7f 40 test_midi_loopback(input_port)
screamer 0:66f3b5499f7f 41
screamer 0:66f3b5499f7f 42 output_port.send(Message('sysex', data=[0x41,0x10,0x42,0x12,0x40,0x00,0x7F,0x00,0x41]))
screamer 0:66f3b5499f7f 43 test_midi_loopback(input_port)
screamer 0:66f3b5499f7f 44
screamer 0:66f3b5499f7f 45 output_port.send(Message('sysex', data=[0x41,0x10,0x42,0x12,0x40,0x00,0x04,0x7F,0x3D]))
screamer 0:66f3b5499f7f 46 test_midi_loopback(input_port)
screamer 0:66f3b5499f7f 47
screamer 0:66f3b5499f7f 48 portname=""
screamer 0:66f3b5499f7f 49
screamer 0:66f3b5499f7f 50 while portname=="":
screamer 0:66f3b5499f7f 51 print("Wait for MIDI IN plug ...")
screamer 0:66f3b5499f7f 52 for name in mido.get_input_names():
screamer 0:66f3b5499f7f 53 matchObj = re.match( r'Mbed', name)
screamer 0:66f3b5499f7f 54
screamer 0:66f3b5499f7f 55 if matchObj:
screamer 0:66f3b5499f7f 56 portname=name
screamer 0:66f3b5499f7f 57 time.sleep( 1 )
screamer 0:66f3b5499f7f 58
screamer 0:66f3b5499f7f 59 try:
screamer 0:66f3b5499f7f 60 input_port = mido.open_input(portname)
screamer 0:66f3b5499f7f 61 output_port = mido.open_output(portname)
screamer 0:66f3b5499f7f 62
screamer 0:66f3b5499f7f 63 print('Using {}'.format(input_port))
screamer 0:66f3b5499f7f 64
screamer 0:66f3b5499f7f 65 print("Test MIDI IN")
screamer 0:66f3b5499f7f 66
screamer 0:66f3b5499f7f 67 for message in test_midi_in(input_port):
screamer 0:66f3b5499f7f 68 print('Test MIDI IN received {}'.format(message.hex()))
screamer 0:66f3b5499f7f 69
screamer 0:66f3b5499f7f 70 test_midi_out_loopback(output_port,input_port)
screamer 0:66f3b5499f7f 71 except KeyboardInterrupt:
screamer 0:66f3b5499f7f 72 pass