Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2010.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  Main source file for the RNDISEthernet demo. This file contains the main tasks of
  34  *  the demo and is responsible for the initial application hardware configuration.
  35  */
  36
  37 #include "RNDISEthernet.h"
  38
  39 /** LUFA RNDIS Class driver interface configuration and state information. This structure is
  40  *  passed to all RNDIS Class driver functions, so that multiple instances of the same class
  41  *  within a device can be differentiated from one another.
  42  */
  43 USB_ClassInfo_RNDIS_Device_t Ethernet_RNDIS_Interface =
  44         {
  45                 .Config =
  46                         {
  47                                 .ControlInterfaceNumber         = 0,
  48
  49                                 .DataINEndpointNumber           = CDC_TX_EPNUM,
  50                                 .DataINEndpointSize             = CDC_TXRX_EPSIZE,
  51                                 .DataINEndpointDoubleBank       = false,
  52
  53                                 .DataOUTEndpointNumber          = CDC_RX_EPNUM,
  54                                 .DataOUTEndpointSize            = CDC_TXRX_EPSIZE,
  55                                 .DataOUTEndpointDoubleBank      = false,
  56
  57                                 .NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,
  58                                 .NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,
  59                                 .NotificationEndpointDoubleBank = false,
  60
  61                                 .AdapterVendorDescription       = "LUFA RNDIS Demo Adapter",
  62                                 .AdapterMACAddress              = {ADAPTER_MAC_ADDRESS},
  63                         },
  64         };
  65
  66 /** Main program entry point. This routine contains the overall program flow, including initial
  67  *  setup of all components and the main program loop.
  68  */
  69 int main(void)
  70 {
  71         SetupHardware();
  72
  73         TCP_Init();
  74         Webserver_Init();
  75
  76         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  77         sei();
  78
  79         for (;;)
  80         {
  81                 if (Ethernet_RNDIS_Interface.State.FrameIN.FrameInBuffer)
  82                 {
  83                         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
  84                         Ethernet_ProcessPacket(&Ethernet_RNDIS_Interface.State.FrameIN, &Ethernet_RNDIS_Interface.State.FrameOUT);
  85                         LEDs_SetAllLEDs(LEDMASK_USB_READY);
  86                 }
  87
  88                 TCP_TCPTask(&Ethernet_RNDIS_Interface);
  89
  90                 RNDIS_Device_USBTask(&Ethernet_RNDIS_Interface);
  91                 USB_USBTask();
  92         }
  93 }
  94
  95 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  96 void SetupHardware(void)
  97 {
  98         /* Disable watchdog if enabled by bootloader/fuses */
  99         MCUSR &= ~(1 << WDRF);
 100         wdt_disable();
 101
 102         /* Disable clock division */
 103         clock_prescale_set(clock_div_1);
 104
 105         /* Hardware Initialization */
 106         LEDs_Init();
 107         SerialStream_Init(9600, false);
 108         USB_Init();
 109 }
 110
 111 /** Event handler for the library USB Connection event. */
 112 void EVENT_USB_Device_Connect(void)
 113 {
 114         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 115 }
 116
 117 /** Event handler for the library USB Disconnection event. */
 118 void EVENT_USB_Device_Disconnect(void)
 119 {
 120         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 121 }
 122
 123 /** Event handler for the library USB Configuration Changed event. */
 124 void EVENT_USB_Device_ConfigurationChanged(void)
 125 {
 126         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 127
 128         if (!(RNDIS_Device_ConfigureEndpoints(&Ethernet_RNDIS_Interface)))
 129           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 130 }
 131
 132 /** Event handler for the library USB Unhandled Control Request event. */
 133 void EVENT_USB_Device_UnhandledControlRequest(void)
 134 {
 135         RNDIS_Device_ProcessControlRequest(&Ethernet_RNDIS_Interface);
 136 }