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diff --git a/lib/lufa/Demos/Host/LowLevel/MIDIHost/MIDIHost.c b/lib/lufa/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
deleted file mode 100644
index 95043d724e..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2017.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaims all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * Main source file for the MIDIHost demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "MIDIHost.h"
-
-/** Main program entry point. This routine configures the hardware required by the application, then
- * enters a loop to run the application tasks in sequence.
- */
-int main(void)
-{
- SetupHardware();
-
- puts_P(PSTR(ESC_FG_CYAN "MIDI Host Demo running.\r\n" ESC_FG_WHITE));
-
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- GlobalInterruptEnable();
-
- for (;;)
- {
- MIDIHost_Task();
-
- USB_USBTask();
- }
-}
-
-/** Configures the board hardware and chip peripherals for the demo's functionality. */
-void SetupHardware(void)
-{
-#if (ARCH == ARCH_AVR8)
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-#endif
-
- /* Hardware Initialization */
- Serial_Init(9600, false);
- LEDs_Init();
- Buttons_Init();
- Joystick_Init();
- USB_Init();
-
- /* Create a stdio stream for the serial port for stdin and stdout */
- Serial_CreateStream(NULL);
-}
-
-/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
- * starts the library USB task to begin the enumeration and USB management process.
- */
-void EVENT_USB_Host_DeviceAttached(void)
-{
- puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-}
-
-/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
- * stops the library USB task management process.
- */
-void EVENT_USB_Host_DeviceUnattached(void)
-{
- puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-}
-
-/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
- * enumerated by the host and is now ready to be used by the application.
- */
-void EVENT_USB_Host_DeviceEnumerationComplete(void)
-{
- puts_P(PSTR("Getting Config Data.\r\n"));
-
- uint8_t ErrorCode;
-
- /* Get and process the configuration descriptor data */
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
- {
- if (ErrorCode == ControlError)
- puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
- else
- puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
- printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- return;
- }
-
- /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
- if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
- {
- printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
- " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- return;
- }
-
- puts_P(PSTR("MIDI Device Enumerated.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
-}
-
-/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
-void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
-{
- USB_Disable();
-
- printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
- " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
-
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- for(;;);
-}
-
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
- * enumerating an attached USB device.
- */
-void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
- const uint8_t SubErrorCode)
-{
- printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
- " -- Error Code %d\r\n"
- " -- Sub Error Code %d\r\n"
- " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
-
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-}
-
-/** Task to read in note on/off messages from the attached MIDI device and print it to the serial port.
- * When the board joystick or buttons are pressed, note on/off messages are sent to the attached device.
- */
-void MIDIHost_Task(void)
-{
- if (USB_HostState != HOST_STATE_Configured)
- return;
-
- Pipe_SelectPipe(MIDI_DATA_IN_PIPE);
- Pipe_Unfreeze();
-
- if (Pipe_IsINReceived())
- {
- MIDI_EventPacket_t MIDIEvent;
-
- Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
-
- if (!(Pipe_BytesInPipe()))
- Pipe_ClearIN();
-
- bool NoteOnEvent = (MIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_ON));
- bool NoteOffEvent = (MIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_OFF));
-
- if (NoteOnEvent || NoteOffEvent)
- {
- printf_P(PSTR("MIDI Note %s - Channel %d, Pitch %d, Velocity %d\r\n"), NoteOnEvent ? "On" : "Off",
- ((MIDIEvent.Data1 & 0x0F) + 1),
- MIDIEvent.Data2, MIDIEvent.Data3);
- }
- }
-
- Pipe_Freeze();
-
- Pipe_SelectPipe(MIDI_DATA_OUT_PIPE);
- Pipe_Unfreeze();
-
- if (Pipe_IsOUTReady())
- {
- uint8_t MIDICommand = 0;
- uint8_t MIDIPitch;
-
- static uint8_t PrevJoystickStatus;
- uint8_t JoystickStatus = Joystick_GetStatus();
- uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
-
- /* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
- uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
-
- if (JoystickChanges & JOY_LEFT)
- {
- MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3C;
- }
-
- if (JoystickChanges & JOY_UP)
- {
- MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3D;
- }
-
- if (JoystickChanges & JOY_RIGHT)
- {
- MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3E;
- }
-
- if (JoystickChanges & JOY_DOWN)
- {
- MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3F;
- }
-
- if (JoystickChanges & JOY_PRESS)
- {
- MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3B;
- }
-
- /* Check if a MIDI command is to be sent */
- if (MIDICommand)
- {
- MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
- {
- .Event = MIDI_EVENT(0, MIDICommand),
-
- .Data1 = MIDICommand | Channel,
- .Data2 = MIDIPitch,
- .Data3 = MIDI_STANDARD_VELOCITY,
- };
-
- /* Write the MIDI event packet to the pipe */
- Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
-
- /* Send the data in the pipe to the device */
- Pipe_ClearOUT();
- }
-
- Pipe_Freeze();
-
- /* Save previous joystick value for next joystick change detection */
- PrevJoystickStatus = JoystickStatus;
- }
-}
-
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