Fix the LUFA lib to use a submodule instead of just files (#6245)

* Remove LUFA files

* Update descriptions for newer version of LUFA

* Create PR6245.md

* Fix CDC(Serial) type errors

* Fix missed merge conflict for AUDIO_DTYPE_CSInterface

1 files changed, 0 insertions, 250 deletions

diff --git a/lib/lufa/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.c b/lib/lufa/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.c
deleted file mode 100644
index 2e56d7f356..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.c
+++ /dev/null
@@ -1,250 +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 AudioOutputHost demo. This file contains the main tasks of
- *  the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "AudioOutputHost.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 "Audio Output Host Demo running.\r\n" ESC_FG_WHITE));
-
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-	GlobalInterruptEnable();
-
-	for (;;)
-	{
-		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);
-	Buttons_Init();
-	ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32);
-	ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
-	LEDs_Init();
-	USB_Init();
-
-	/* Create a stdio stream for the serial port for stdin and stdout */
-	Serial_CreateStream(NULL);
-
-	/* Start the ADC conversion in free running mode */
-	ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_GET_CHANNEL_MASK(MIC_IN_ADC_CHANNEL));
-}
-
-/** 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 "Device 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;
-	}
-
-	if ((ErrorCode = USB_Host_SetInterfaceAltSetting(StreamingInterfaceIndex,
-	                                                 StreamingInterfaceAltSetting)) != HOST_SENDCONTROL_Successful)
-	{
-		printf_P(PSTR(ESC_FG_RED "Could not set alternative streaming interface setting.\r\n"
-		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-		USB_Host_SetDeviceConfiguration(0);
-		return;
-	}
-
-	USB_ControlRequest = (USB_Request_Header_t)
-		{
-			.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT),
-			.bRequest      = AUDIO_REQ_SetCurrent,
-			.wValue        = (AUDIO_EPCONTROL_SamplingFreq << 8),
-			.wIndex        = StreamingEndpointAddress,
-			.wLength       = sizeof(USB_Audio_SampleFreq_t),
-		};
-
-	USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
-
-	/* Select the control pipe for the request transfer */
-	Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
-	/* Set the sample rate on the streaming interface endpoint */
-	if ((ErrorCode = USB_Host_SendControlRequest(&SampleRate)) != HOST_SENDCONTROL_Successful)
-	{
-		printf_P(PSTR(ESC_FG_RED "Could not set requested Audio sample rate.\r\n"
-		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-		USB_Host_SetDeviceConfiguration(0);
-		return;
-	}
-
-	/* Sample reload timer initialization */
-	TIMSK0  = (1 << OCIE0A);
-	OCR0A   = ((F_CPU / 8 / 48000) - 1);
-	TCCR0A  = (1 << WGM01);  // CTC mode
-	TCCR0B  = (1 << CS01);   // Fcpu/8 speed
-
-	puts_P(PSTR("Speaker 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);
-}
-
-/** ISR to handle the reloading of the endpoint with the next sample. */
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)
-{
-	uint8_t PrevPipe = Pipe_GetCurrentPipe();
-
-	Pipe_SelectPipe(AUDIO_DATA_OUT_PIPE);
-	Pipe_Unfreeze();
-
-	/* Check if the current pipe can be written to (device ready for more data) */
-	if (Pipe_IsOUTReady())
-	{
-		int16_t AudioSample;
-
-		#if defined(USE_TEST_TONE)
-			static uint8_t SquareWaveSampleCount;
-			static int16_t CurrentWaveValue;
-
-			/* In test tone mode, generate a square wave at 1/256 of the sample rate */
-			if (SquareWaveSampleCount++ == 0xFF)
-			  CurrentWaveValue ^= 0x8000;
-
-			/* Only generate audio if the board button is being pressed */
-			AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
-		#else
-			/* Audio sample is ADC value scaled to fit the entire range */
-			AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
-
-			#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
-			/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
-			AudioSample -= (SAMPLE_MAX_RANGE / 2);
-			#endif
-		#endif
-
-		Pipe_Write_16_LE(AudioSample);
-		Pipe_Write_16_LE(AudioSample);
-
-		if (!(Pipe_IsReadWriteAllowed()))
-		  Pipe_ClearOUT();
-	}
-
-	Pipe_Freeze();
-	Pipe_SelectPipe(PrevPipe);
-}
-