Merge pull request #1 from dmadison/forking

Forking

1 files changed, 0 insertions, 242 deletions

diff --git a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.c b/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.c
deleted file mode 100644
index 4de73c8..0000000
--- a/firmwares/atmegaxxu2/arduino-usbserial/Arduino-usbserial.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*

-             LUFA Library

-     Copyright (C) Dean Camera, 2010.

-              

-  dean [at] fourwalledcubicle [dot] com

-      www.fourwalledcubicle.com

-*/

-

-/*

-  Copyright 2010  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 disclaim 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 Arduino-usbserial project. This file contains the main tasks of

- *  the project and is responsible for the initial application hardware configuration.

- */

-

-#include "Arduino-usbserial.h"

-

-/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */

-RingBuff_t USBtoUSART_Buffer;

-

-/** Circular buffer to hold data from the serial port before it is sent to the host. */

-RingBuff_t USARTtoUSB_Buffer;

-

-/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */

-volatile struct

-{

-	uint8_t TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */

-	uint8_t RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */

-	uint8_t PingPongLEDPulse; /**< Milliseconds remaining for enumeration Tx/Rx ping-pong LED pulse */

-} PulseMSRemaining;

-

-/** 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         = 0,

-

-				.DataINEndpointNumber           = CDC_TX_EPNUM,

-				.DataINEndpointSize             = CDC_TXRX_EPSIZE,

-				.DataINEndpointDoubleBank       = false,

-

-				.DataOUTEndpointNumber          = CDC_RX_EPNUM,

-				.DataOUTEndpointSize            = CDC_TXRX_EPSIZE,

-				.DataOUTEndpointDoubleBank      = false,

-

-				.NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,

-				.NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,

-				.NotificationEndpointDoubleBank = false,

-			},

-	};

-

-/** 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);

-	RingBuffer_InitBuffer(&USARTtoUSB_Buffer);

-

-	sei();

-

-	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);

-

-			/* Read bytes from the USB OUT endpoint into the USART transmit buffer */

-			if (!(ReceivedByte < 0))

-			  RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);

-		}

-		

-		/* Check if the UART receive buffer flush timer has expired or the buffer is nearly full */

-		RingBuff_Count_t BufferCount = RingBuffer_GetCount(&USARTtoUSB_Buffer);

-		if ((TIFR0 & (1 << TOV0)) || (BufferCount > BUFFER_NEARLY_FULL))

-		{

-			TIFR0 |= (1 << TOV0);

-

-			if (USARTtoUSB_Buffer.Count) {

-				LEDs_TurnOnLEDs(LEDMASK_TX);

-				PulseMSRemaining.TxLEDPulse = TX_RX_LED_PULSE_MS;

-			}

-

-			/* Read bytes from the USART receive buffer into the USB IN endpoint */

-			while (BufferCount--)

-			  CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&USARTtoUSB_Buffer));

-			  

-			/* Turn off TX LED(s) once the TX pulse period has elapsed */

-			if (PulseMSRemaining.TxLEDPulse && !(--PulseMSRemaining.TxLEDPulse))

-			  LEDs_TurnOffLEDs(LEDMASK_TX);

-

-			/* Turn off RX LED(s) once the RX pulse period has elapsed */

-			if (PulseMSRemaining.RxLEDPulse && !(--PulseMSRemaining.RxLEDPulse))

-			  LEDs_TurnOffLEDs(LEDMASK_RX);

-		}

-		

-		/* Load the next byte from the USART transmit buffer into the USART */

-		if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer))) {

-		  Serial_TxByte(RingBuffer_Remove(&USBtoUSART_Buffer));

-		  	

-		  	LEDs_TurnOnLEDs(LEDMASK_RX);

-			PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS;

-		}

-		

-		CDC_Device_USBTask(&VirtualSerial_CDC_Interface);

-		USB_USBTask();

-	}

-}

-

-/** Configures the board hardware and chip peripherals for the demo's functionality. */

-void SetupHardware(void)

-{

-	/* Disable watchdog if enabled by bootloader/fuses */

-	MCUSR &= ~(1 << WDRF);

-	wdt_disable();

-

-	/* Hardware Initialization */

-	Serial_Init(9600, false);

-	LEDs_Init();

-	USB_Init();

-

-	/* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */

-	TCCR0B = (1 << CS02);

-	

-	/* Pull target /RESET line high */

-	AVR_RESET_LINE_PORT |= AVR_RESET_LINE_MASK;

-	AVR_RESET_LINE_DDR  |= AVR_RESET_LINE_MASK;

-}

-

-/** Event handler for the library USB Configuration Changed event. */

-void EVENT_USB_Device_ConfigurationChanged(void)

-{

-	CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);

-}

-

-/** Event handler for the library USB Unhandled Control Request event. */

-void EVENT_USB_Device_UnhandledControlRequest(void)

-{

-	CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);

-}

-

-/** 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;

-	}

-

-	/* Must turn off USART before reconfiguring it, otherwise incorrect operation may occur */

-	UCSR1B = 0;

-	UCSR1A = 0;

-	UCSR1C = 0;

-

-	/* Special case 57600 baud for compatibility with the ATmega328 bootloader. */	

-	UBRR1  = (CDCInterfaceInfo->State.LineEncoding.BaudRateBPS == 57600)

-			 ? SERIAL_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS)

-			 : SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);	

-

-	UCSR1C = ConfigMask;

-	UCSR1A = (CDCInterfaceInfo->State.LineEncoding.BaudRateBPS == 57600) ? 0 : (1 << U2X1);

-	UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));

-}

-

-/** 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_Insert(&USARTtoUSB_Buffer, ReceivedByte);

-}

-

-/** Event handler for the CDC Class driver Host-to-Device Line Encoding Changed event.

- *

- *  \param[in] CDCInterfaceInfo  Pointer to the CDC class interface configuration structure being referenced

- */

-void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)

-{

-	bool CurrentDTRState = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR);

-

-	if (CurrentDTRState)

-	  AVR_RESET_LINE_PORT &= ~AVR_RESET_LINE_MASK;

-	else

-	  AVR_RESET_LINE_PORT |= AVR_RESET_LINE_MASK;

-}