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, 254 deletions

diff --git a/lib/lufa/Projects/USBtoSerial/USBtoSerial.c b/lib/lufa/Projects/USBtoSerial/USBtoSerial.c
deleted file mode 100644
index 47a84a4ada..0000000000
--- a/lib/lufa/Projects/USBtoSerial/USBtoSerial.c
+++ /dev/null
@@ -1,254 +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 USBtoSerial project. This file contains the main tasks of
- *  the project and is responsible for the initial application hardware configuration.
- */
-
-#include "USBtoSerial.h"
-
-/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */
-static RingBuffer_t USBtoUSART_Buffer;
-
-/** Underlying data buffer for \ref USBtoUSART_Buffer, where the stored bytes are located. */
-static uint8_t      USBtoUSART_Buffer_Data[128];
-
-/** Circular buffer to hold data from the serial port before it is sent to the host. */
-static RingBuffer_t USARTtoUSB_Buffer;
-
-/** Underlying data buffer for \ref USARTtoUSB_Buffer, where the stored bytes are located. */
-static uint8_t      USARTtoUSB_Buffer_Data[128];
-
-/** LUFA CDC Class driver interface configuration and state information. This structure is
- *  passed to all CDC Class driver functions, so that multiple instances of the same class
- *  within a device can be differentiated from one another.
- */
-USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
-	{
-		.Config =
-			{
-				.ControlInterfaceNumber         = INTERFACE_ID_CDC_CCI,
-				.DataINEndpoint                 =
-					{
-						.Address                = CDC_TX_EPADDR,
-						.Size                   = CDC_TXRX_EPSIZE,
-						.Banks                  = 1,
-					},
-				.DataOUTEndpoint                =
-					{
-						.Address                = CDC_RX_EPADDR,
-						.Size                   = CDC_TXRX_EPSIZE,
-						.Banks                  = 1,
-					},
-				.NotificationEndpoint           =
-					{
-						.Address                = CDC_NOTIFICATION_EPADDR,
-						.Size                   = CDC_NOTIFICATION_EPSIZE,
-						.Banks                  = 1,
-					},
-			},
-	};
-
-
-/** Main program entry point. This routine contains the overall program flow, including initial
- *  setup of all components and the main program loop.
- */
-int main(void)
-{
-	SetupHardware();
-
-	RingBuffer_InitBuffer(&USBtoUSART_Buffer, USBtoUSART_Buffer_Data, sizeof(USBtoUSART_Buffer_Data));
-	RingBuffer_InitBuffer(&USARTtoUSB_Buffer, USARTtoUSB_Buffer_Data, sizeof(USARTtoUSB_Buffer_Data));
-
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-	GlobalInterruptEnable();
-
-	for (;;)
-	{
-		/* Only try to read in bytes from the CDC interface if the transmit buffer is not full */
-		if (!(RingBuffer_IsFull(&USBtoUSART_Buffer)))
-		{
-			int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
-
-			/* Store received byte into the USART transmit buffer */
-			if (!(ReceivedByte < 0))
-			  RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);
-		}
-
-		uint16_t BufferCount = RingBuffer_GetCount(&USARTtoUSB_Buffer);
-		if (BufferCount)
-		{
-			Endpoint_SelectEndpoint(VirtualSerial_CDC_Interface.Config.DataINEndpoint.Address);
-
-			/* Check if a packet is already enqueued to the host - if so, we shouldn't try to send more data
-			 * until it completes as there is a chance nothing is listening and a lengthy timeout could occur */
-			if (Endpoint_IsINReady())
-			{
-				/* Never send more than one bank size less one byte to the host at a time, so that we don't block
-				 * while a Zero Length Packet (ZLP) to terminate the transfer is sent if the host isn't listening */
-				uint8_t BytesToSend = MIN(BufferCount, (CDC_TXRX_EPSIZE - 1));
-
-				/* Read bytes from the USART receive buffer into the USB IN endpoint */
-				while (BytesToSend--)
-				{
-					/* Try to send the next byte of data to the host, abort if there is an error without dequeuing */
-					if (CDC_Device_SendByte(&VirtualSerial_CDC_Interface,
-											RingBuffer_Peek(&USARTtoUSB_Buffer)) != ENDPOINT_READYWAIT_NoError)
-					{
-						break;
-					}
-
-					/* Dequeue the already sent byte from the buffer now we have confirmed that no transmission error occurred */
-					RingBuffer_Remove(&USARTtoUSB_Buffer);
-				}
-			}
-		}
-
-		/* Load the next byte from the USART transmit buffer into the USART if transmit buffer space is available */
-		if (Serial_IsSendReady() && !(RingBuffer_IsEmpty(&USBtoUSART_Buffer)))
-		  Serial_SendByte(RingBuffer_Remove(&USBtoUSART_Buffer));
-
-		CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
-		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 */
-	LEDs_Init();
-	USB_Init();
-}
-
-/** Event handler for the library USB Connection event. */
-void EVENT_USB_Device_Connect(void)
-{
-	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-}
-
-/** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Device_Disconnect(void)
-{
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-}
-
-/** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
-	bool ConfigSuccess = true;
-
-	ConfigSuccess &= CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
-
-	LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
-}
-
-/** Event handler for the library USB Control Request reception event. */
-void EVENT_USB_Device_ControlRequest(void)
-{
-	CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
-}
-
-/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer
- *  for later transmission to the host.
- */
-ISR(USART1_RX_vect, ISR_BLOCK)
-{
-	uint8_t ReceivedByte = UDR1;
-
-	if ((USB_DeviceState == DEVICE_STATE_Configured) && !(RingBuffer_IsFull(&USARTtoUSB_Buffer)))
-	  RingBuffer_Insert(&USARTtoUSB_Buffer, ReceivedByte);
-}
-
-/** Event handler for the CDC Class driver Line Encoding Changed event.
- *
- *  \param[in] CDCInterfaceInfo  Pointer to the CDC class interface configuration structure being referenced
- */
-void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
-{
-	uint8_t ConfigMask = 0;
-
-	switch (CDCInterfaceInfo->State.LineEncoding.ParityType)
-	{
-		case CDC_PARITY_Odd:
-			ConfigMask = ((1 << UPM11) | (1 << UPM10));
-			break;
-		case CDC_PARITY_Even:
-			ConfigMask = (1 << UPM11);
-			break;
-	}
-
-	if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits)
-	  ConfigMask |= (1 << USBS1);
-
-	switch (CDCInterfaceInfo->State.LineEncoding.DataBits)
-	{
-		case 6:
-			ConfigMask |= (1 << UCSZ10);
-			break;
-		case 7:
-			ConfigMask |= (1 << UCSZ11);
-			break;
-		case 8:
-			ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10));
-			break;
-	}
-
-	/* Keep the TX line held high (idle) while the USART is reconfigured */
-	PORTD |= (1 << 3);
-
-	/* Must turn off USART before reconfiguring it, otherwise incorrect operation may occur */
-	UCSR1B = 0;
-	UCSR1A = 0;
-	UCSR1C = 0;
-
-	/* Set the new baud rate before configuring the USART */
-	UBRR1  = SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
-
-	/* Reconfigure the USART in double speed mode for a wider baud rate range at the expense of accuracy */
-	UCSR1C = ConfigMask;
-	UCSR1A = (1 << U2X1);
-	UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
-
-	/* Release the TX line after the USART has been reconfigured */
-	PORTD &= ~(1 << 3);
-}
-