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-rw-r--r--lib/lufa/Projects/XPLAINBridge/XPLAINBridge.c292
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diff --git a/lib/lufa/Projects/XPLAINBridge/XPLAINBridge.c b/lib/lufa/Projects/XPLAINBridge/XPLAINBridge.c
deleted file mode 100644
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--- a/lib/lufa/Projects/XPLAINBridge/XPLAINBridge.c
+++ /dev/null
@@ -1,292 +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 XPLAINBridge project. This file contains the main tasks of
- * the project and is responsible for the initial application hardware configuration.
- */
-
-#include "XPLAINBridge.h"
-
-/** Current firmware mode, making the device behave as either a programmer or a USART bridge */
-bool CurrentFirmwareMode = MODE_USART_BRIDGE;
-
-/** 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,
- },
- },
- };
-
-/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */
-RingBuffer_t USBtoUART_Buffer;
-
-/** Underlying data buffer for \ref USBtoUART_Buffer, where the stored bytes are located. */
-static uint8_t USBtoUART_Buffer_Data[128];
-
-/** Circular buffer to hold data from the serial port before it is sent to the host. */
-RingBuffer_t UARTtoUSB_Buffer;
-
-/** Underlying data buffer for \ref UARTtoUSB_Buffer, where the stored bytes are located. */
-static uint8_t UARTtoUSB_Buffer_Data[128];
-
-
-/** 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();
-
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- GlobalInterruptEnable();
-
- for (;;)
- {
- if (CurrentFirmwareMode == MODE_USART_BRIDGE)
- UARTBridge_Task();
- else
- AVRISP_Task();
-
- USB_USBTask();
- }
-}
-
-void AVRISP_Task(void)
-{
- /* Must be in the configured state for the AVRISP code to process data */
- if (USB_DeviceState != DEVICE_STATE_Configured)
- return;
-
- V2Params_UpdateParamValues();
-
- Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPADDR);
-
- /* Check to see if a V2 Protocol command has been received */
- if (Endpoint_IsOUTReceived())
- {
- LEDs_SetAllLEDs(LEDMASK_BUSY);
-
- /* Pass off processing of the V2 Protocol command to the V2 Protocol handler */
- V2Protocol_ProcessCommand();
-
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
- }
-}
-
-void UARTBridge_Task(void)
-{
- /* Must be in the configured state for the USART Bridge code to process data */
- if (USB_DeviceState != DEVICE_STATE_Configured)
- return;
-
- /* Only try to read in bytes from the CDC interface if the transmit buffer is not full */
- if (!(RingBuffer_IsFull(&USBtoUART_Buffer)))
- {
- int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
-
- /* Read bytes from the USB OUT endpoint into the UART transmit buffer */
- if (!(ReceivedByte < 0))
- RingBuffer_Insert(&USBtoUART_Buffer, ReceivedByte);
- }
-
- /* Check if the UART receive buffer flush timer has expired or buffer is nearly full */
- uint16_t BufferCount = RingBuffer_GetCount(&UARTtoUSB_Buffer);
- if ((TIFR0 & (1 << TOV0)) || (BufferCount > 200))
- {
- /* Clear flush timer expiry flag */
- TIFR0 |= (1 << TOV0);
-
- /* Read bytes from the USART receive buffer into the USB IN endpoint */
- while (BufferCount--)
- {
- /* 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(&UARTtoUSB_Buffer)) != ENDPOINT_READYWAIT_NoError)
- {
- break;
- }
-
- /* Dequeue the already sent byte from the buffer now we have confirmed that no transmission error occurred */
- RingBuffer_Remove(&UARTtoUSB_Buffer);
- }
- }
-
- CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
-}
-
-/** 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
-
- /* Disable JTAG debugging */
- MCUCR |= (1 << JTD);
- MCUCR |= (1 << JTD);
-
- /* Enable pull-up on the JTAG TDI pin so we can use it to select the mode */
- PORTF |= (1 << 7);
- Delay_MS(10);
-
- /* Select the firmware mode based on the JTD pin's value */
- CurrentFirmwareMode = (PINF & (1 << 7)) ? MODE_USART_BRIDGE : MODE_PDI_PROGRAMMER;
-
- /* Re-enable JTAG debugging */
- MCUCR &= ~(1 << JTD);
- MCUCR &= ~(1 << JTD);
-
- /* Hardware Initialization */
- SoftUART_Init();
- LEDs_Init();
- #if defined(RESET_TOGGLES_LIBUSB_COMPAT)
- UpdateCurrentCompatibilityMode();
- #endif
-
- /* USB Stack Initialization */
- USB_Init();
-}
-
-/** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
- bool ConfigSuccess = true;
-
- /* Configure the device endpoints according to the selected mode */
- if (CurrentFirmwareMode == MODE_USART_BRIDGE)
- {
- ConfigSuccess &= CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
-
- /* Configure the UART flush timer - run at Fcpu/1024 for maximum interval before overflow */
- TCCR0B = ((1 << CS02) | (1 << CS00));
-
- /* Initialize ring buffers used to hold serial data between USB and software UART interfaces */
- RingBuffer_InitBuffer(&USBtoUART_Buffer, USBtoUART_Buffer_Data, sizeof(USBtoUART_Buffer_Data));
- RingBuffer_InitBuffer(&UARTtoUSB_Buffer, UARTtoUSB_Buffer_Data, sizeof(UARTtoUSB_Buffer_Data));
-
- /* Start the software USART */
- SoftUART_Init();
- }
- else
- {
- ConfigSuccess &= Endpoint_ConfigureEndpoint(AVRISP_DATA_OUT_EPADDR, EP_TYPE_BULK, AVRISP_DATA_EPSIZE, 1);
-
- if ((AVRISP_DATA_IN_EPADDR & ENDPOINT_EPNUM_MASK) != (AVRISP_DATA_OUT_EPADDR & ENDPOINT_EPNUM_MASK))
- ConfigSuccess &= Endpoint_ConfigureEndpoint(AVRISP_DATA_IN_EPADDR, EP_TYPE_BULK, AVRISP_DATA_EPSIZE, 1);
-
- /* Configure the V2 protocol packet handler */
- V2Protocol_Init();
- }
-
- 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)
-{
- if (CurrentFirmwareMode == MODE_USART_BRIDGE)
- CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
-}
-
-/** 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 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)
-{
- /* Change the software UART's baud rate to match the new baud rate */
- SoftUART_SetBaud(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
-}
-
-/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
- * documentation) by the application code so that the address and size of a requested descriptor can be given
- * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
- * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
- * USB host.
- *
- * \param[in] wValue Descriptor type and index to retrieve
- * \param[in] wIndex Sub-index to retrieve (such as a localized string language)
- * \param[out] DescriptorAddress Address of the retrieved descriptor
- *
- * \return Length of the retrieved descriptor in bytes, or NO_DESCRIPTOR if the descriptor was not found
- */
-uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
- const uint16_t wIndex,
- const void** const DescriptorAddress)
-{
- /* Return the correct descriptors based on the selected mode */
- if (CurrentFirmwareMode == MODE_USART_BRIDGE)
- return USART_GetDescriptor(wValue, wIndex, DescriptorAddress);
- else
- return AVRISP_GetDescriptor(wValue, wIndex, DescriptorAddress);
-}
-