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- /*
- LUFA Library
- Copyright (C) Dean Camera, 2014.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
- */
-
- /*
- Copyright 2014 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 RNDISEthernet demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
- #include "RNDISEthernet.h"
-
- /** Message buffer for RNDIS messages processed by the RNDIS device class driver. */
- static uint8_t RNDIS_Message_Buffer[192];
-
- /** Global to store the incoming frame from the host before it is processed by the device. */
- static Ethernet_Frame_Info_t FrameIN;
-
- /** Global to store the outgoing frame created in the device before it is sent to the host. */
- static Ethernet_Frame_Info_t FrameOUT;
-
- /** LUFA RNDIS Class driver interface configuration and state information. This structure is
- * passed to all RNDIS Class driver functions, so that multiple instances of the same class
- * within a device can be differentiated from one another.
- */
- USB_ClassInfo_RNDIS_Device_t Ethernet_RNDIS_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,
- },
- .AdapterVendorDescription = "LUFA RNDIS Demo Adapter",
- .AdapterMACAddress = {ADAPTER_MAC_ADDRESS},
- .MessageBuffer = RNDIS_Message_Buffer,
- .MessageBufferLength = sizeof(RNDIS_Message_Buffer),
- },
- };
-
-
- /** 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();
-
- TCP_Init();
- Webserver_Init();
-
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- GlobalInterruptEnable();
-
- for (;;)
- {
- if (RNDIS_Device_IsPacketReceived(&Ethernet_RNDIS_Interface))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
- RNDIS_Device_ReadPacket(&Ethernet_RNDIS_Interface, &FrameIN.FrameData, &FrameIN.FrameLength);
- Ethernet_ProcessPacket(&FrameIN, &FrameOUT);
-
- if (FrameOUT.FrameLength)
- {
- RNDIS_Device_SendPacket(&Ethernet_RNDIS_Interface, &FrameOUT.FrameData, FrameOUT.FrameLength);
- FrameOUT.FrameLength = 0;
- }
-
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
- }
-
- TCP_TCPTask(&Ethernet_RNDIS_Interface, &FrameOUT);
-
- RNDIS_Device_USBTask(&Ethernet_RNDIS_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);
- #elif (ARCH == ARCH_XMEGA)
- /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
- XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
- XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
-
- /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
- XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
- XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
-
- PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
- #endif
-
- /* Hardware Initialization */
- LEDs_Init();
- Serial_Init(9600, false);
- USB_Init();
-
- /* Create a stdio stream for the serial port for stdin and stdout */
- Serial_CreateStream(NULL);
- }
-
- /** 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 &= RNDIS_Device_ConfigureEndpoints(&Ethernet_RNDIS_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)
- {
- RNDIS_Device_ProcessControlRequest(&Ethernet_RNDIS_Interface);
- }
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