Diff: tools/host_tests/midi.py

Revision:

0:5c4d7b2438d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/host_tests/midi.py	Fri Nov 11 20:59:50 2016 +0000
@@ -0,0 +1,72 @@
+from __future__ import print_function
+import sys
+import re
+import time
+import mido
+from mido import Message
+
+
+def test_midi_in(port):
+	expected_messages_count=0
+	while expected_messages_count < 7:
+		for message in port.iter_pending():
+			if message.type in ('note_on', 'note_off', 'program_change', 'sysex'):
+				yield message
+				expected_messages_count+=1
+		time.sleep(0.1)
+
+def test_midi_loopback(input_port):
+	expected_messages_count=0
+	while expected_messages_count < 1:
+		for message in input_port.iter_pending():
+			print('Test MIDI OUT loopback received {}'.format(message.hex()))
+			expected_messages_count+=1
+
+def test_midi_out_loopback(output_port,input_port):
+	print("Test MIDI OUT loopback")
+	output_port.send(Message('program_change', program=1))
+	test_midi_loopback(input_port)
+
+	output_port.send(Message('note_on', note=21))
+	test_midi_loopback(input_port)
+
+	output_port.send(Message('note_off', note=21))
+	test_midi_loopback(input_port)
+
+	output_port.send(Message('sysex', data=[0x7E,0x7F,0x09,0x01]))
+	test_midi_loopback(input_port)
+
+	output_port.send(Message('sysex', data=[0x7F,0x7F,0x04,0x01,0x7F,0x7F]))
+	test_midi_loopback(input_port)
+
+	output_port.send(Message('sysex', data=[0x41,0x10,0x42,0x12,0x40,0x00,0x7F,0x00,0x41]))
+	test_midi_loopback(input_port)
+
+	output_port.send(Message('sysex', data=[0x41,0x10,0x42,0x12,0x40,0x00,0x04,0x7F,0x3D]))
+	test_midi_loopback(input_port)
+
+portname=""
+
+while portname=="":
+	print("Wait for MIDI IN plug ...")
+	for name in mido.get_input_names():
+		matchObj = re.match( r'Mbed', name)
+
+		if matchObj:
+			portname=name
+	time.sleep( 1 )
+
+try:
+	input_port = mido.open_input(portname)
+	output_port = mido.open_output(portname)
+	
+	print('Using {}'.format(input_port))
+
+	print("Test MIDI IN")
+
+	for message in test_midi_in(input_port):
+		print('Test MIDI IN received {}'.format(message.hex()))
+
+	test_midi_out_loopback(output_port,input_port)
+except KeyboardInterrupt:
+    pass
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