New example to check memory use. CPX 4.0.0 beta 5 goes from 20128 to 4528 mem_free(). #3

Author: Kevin J Walters

examples/midi_memorycheck.py

@@ -0,0 +1,40 @@
+# Check memory usage
+import time
+import random
+import gc
+gc.collect() ; print(gc.mem_free())
+import usb_midi
+gc.collect() ; print(gc.mem_free())
+import adafruit_midi
+gc.collect() ; print(gc.mem_free())
+
+# Full monty
+from adafruit_midi.channel_pressure        import ChannelPressure
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.control_change          import ControlChange
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.note_off                import NoteOff
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.note_on                 import NoteOn
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.pitch_bend              import PitchBend
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.polyphonic_key_pressure import PolyphonicKeyPressure
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.program_change          import ProgramChange
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.start                   import Start
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.stop                    import Stop
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.system_exclusive        import SystemExclusive
+gc.collect() ; print(gc.mem_free())
+from adafruit_midi.timing_clock            import TimingClock
+gc.collect() ; print(gc.mem_free())
+
+midi = adafruit_midi.MIDI(midi_in=usb_midi.ports[0],
+                          midi_out=usb_midi.ports[1],
+                          in_channel=0, out_channel=0)
+
+gc.collect() ; print(gc.mem_free())
+