Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   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_t Ethernet_RNDIS_Interface =
  44         {
  45                 .ControlInterfaceNumber     = 0,
  46
  47                 .DataINEndpointNumber       = CDC_TX_EPNUM,
  48                 .DataINEndpointSize         = CDC_TXRX_EPSIZE,
  49
  50                 .DataOUTEndpointNumber      = CDC_RX_EPNUM,
  51                 .DataOUTEndpointSize        = CDC_TXRX_EPSIZE,
  52
  53                 .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
  54                 .NotificationEndpointSize   = CDC_NOTIFICATION_EPSIZE,
  55
  56                 .AdapterVendorDescription   = "LUFA RNDIS Demo Adapter",
  57                 .AdapterMACAddress          = {ADAPTER_MAC_ADDRESS},
  58         };
  59
  60 /** Main program entry point. This routine contains the overall program flow, including initial
  61  *  setup of all components and the main program loop.
  62  */
  63 int main(void)
  64 {
  65         SetupHardware();
  66
  67         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  68
  69         TCP_Init();
  70         Webserver_Init();
  71
  72         printf_P(PSTR("\r\n\r\n****** RNDIS Demo running. ******\r\n"));
  73
  74         for (;;)
  75         {
  76                 if (Ethernet_RNDIS_Interface.FrameIN.FrameInBuffer)
  77                 {
  78                         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
  79                         Ethernet_ProcessPacket(&Ethernet_RNDIS_Interface.FrameIN, &Ethernet_RNDIS_Interface.FrameOUT);
  80                         LEDs_SetAllLEDs(LEDMASK_USB_READY);
  81                 }
  82
  83                 TCP_TCPTask(&Ethernet_RNDIS_Interface);
  84
  85                 USB_RNDIS_USBTask(&Ethernet_RNDIS_Interface);
  86                 USB_USBTask();
  87         }
  88 }
  89
  90 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  91 void SetupHardware(void)
  92 {
  93         /* Disable watchdog if enabled by bootloader/fuses */
  94         MCUSR &= ~(1 << WDRF);
  95         wdt_disable();
  96
  97         /* Disable clock division */
  98         clock_prescale_set(clock_div_1);
  99
 100         /* Hardware Initialization */
 101         LEDs_Init();
 102         SerialStream_Init(9600, false);
 103         USB_Init();
 104 }
 105
 106 /** Event handler for the library USB Connection event. */
 107 void EVENT_USB_Connect(void)
 108 {
 109     LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 110 }
 111
 112 /** Event handler for the library USB Disconnection event. */
 113 void EVENT_USB_Disconnect(void)
 114 {
 115     LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 116 }
 117
 118 /** Event handler for the library USB Configuration Changed event. */
 119 void EVENT_USB_ConfigurationChanged(void)
 120 {
 121         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 122
 123         if (!(USB_RNDIS_ConfigureEndpoints(&Ethernet_RNDIS_Interface)))
 124           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 125 }
 126
 127 /** Event handler for the library USB Unhandled Control Packet event. */
 128 void EVENT_USB_UnhandledControlPacket(void)
 129 {
 130         USB_RNDIS_ProcessControlPacket(&Ethernet_RNDIS_Interface);
 131 }