Method controllerChange

mingus/midi/win32midi.py:125–133

(self, controller, val, channel=1)

            )

    def controllerChange(self, controller, val, channel=1):
        midimsg = 0xB0 + ((controller) * 0x100) + (val * 0x10000) + channel
        mm = c_int(midimsg)
        rc = self.winmm.midiOutShortMsg(self.hmidi, mm)
        if rc != 0:
            raise Win32MidiException(
                "Error sending event, "
                + self.midiOutShortErrorCodes.get(rc, "Unknown error.")
            )