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_Device_t Ethernet_RNDIS_Interface =
  44         {
  45                 .Config =
  46                         {
  47                                 .ControlInterfaceNumber     = 0,
  48
  49                                 .DataINEndpointNumber       = CDC_TX_EPNUM,
  50                                 .DataINEndpointSize         = CDC_TXRX_EPSIZE,
  51
  52                                 .DataOUTEndpointNumber      = CDC_RX_EPNUM,
  53                                 .DataOUTEndpointSize        = CDC_TXRX_EPSIZE,
  54
  55                                 .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
  56                                 .NotificationEndpointSize   = CDC_NOTIFICATION_EPSIZE,
  57
  58                                 .AdapterVendorDescription   = "LUFA RNDIS Demo Adapter",
  59                                 .AdapterMACAddress          = {ADAPTER_MAC_ADDRESS},
  60                         },
  61         };
  62
  63 /** Main program entry point. This routine contains the overall program flow, including initial
  64  *  setup of all components and the main program loop.
  65  */
  66 int main(void)
  67 {
  68         SetupHardware();
  69
  70         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  71
  72         TCP_Init();
  73         Webserver_Init();
  74
  75         printf_P(PSTR("\r\n\r\n****** RNDIS Demo running. ******\r\n"));
  76
  77         for (;;)
  78         {
  79                 if (Ethernet_RNDIS_Interface.State.FrameIN.FrameInBuffer)
  80                 {
  81                         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
  82                         Ethernet_ProcessPacket(&Ethernet_RNDIS_Interface.State.FrameIN, &Ethernet_RNDIS_Interface.State.FrameOUT);
  83                         LEDs_SetAllLEDs(LEDMASK_USB_READY);
  84                 }
  85
  86                 TCP_TCPTask(&Ethernet_RNDIS_Interface);
  87
  88                 RNDIS_Device_USBTask(&Ethernet_RNDIS_Interface);
  89                 USB_USBTask();
  90         }
  91 }
  92
  93 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  94 void SetupHardware(void)
  95 {
  96         /* Disable watchdog if enabled by bootloader/fuses */
  97         MCUSR &= ~(1 << WDRF);
  98         wdt_disable();
  99
 100         /* Disable clock division */
 101         clock_prescale_set(clock_div_1);
 102
 103         /* Hardware Initialization */
 104         LEDs_Init();
 105         SerialStream_Init(9600, false);
 106         USB_Init();
 107 }
 108
 109 /** Event handler for the library USB Connection event. */
 110 void EVENT_USB_Device_Connect(void)
 111 {
 112         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 113 }
 114
 115 /** Event handler for the library USB Disconnection event. */
 116 void EVENT_USB_Device_Disconnect(void)
 117 {
 118         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 119 }
 120
 121 /** Event handler for the library USB Configuration Changed event. */
 122 void EVENT_USB_Device_ConfigurationChanged(void)
 123 {
 124         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 125
 126         if (!(RNDIS_Device_ConfigureEndpoints(&Ethernet_RNDIS_Interface)))
 127           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 128 }
 129
 130 /** Event handler for the library USB Unhandled Control Request event. */
 131 void EVENT_USB_Device_UnhandledControlRequest(void)
 132 {
 133         RNDIS_Device_ProcessControlRequest(&Ethernet_RNDIS_Interface);
 134 }