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                 .State =
  63                         {
  64                                 // Leave all state values to their defaults
  65                         }
  66         };
  67
  68 /** Main program entry point. This routine contains the overall program flow, including initial
  69  *  setup of all components and the main program loop.
  70  */
  71 int main(void)
  72 {
  73         SetupHardware();
  74
  75         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  76
  77         TCP_Init();
  78         Webserver_Init();
  79
  80         printf_P(PSTR("\r\n\r\n****** RNDIS Demo running. ******\r\n"));
  81
  82         for (;;)
  83         {
  84                 if (Ethernet_RNDIS_Interface.State.FrameIN.FrameInBuffer)
  85                 {
  86                         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
  87                         Ethernet_ProcessPacket(&Ethernet_RNDIS_Interface.State.FrameIN, &Ethernet_RNDIS_Interface.State.FrameOUT);
  88                         LEDs_SetAllLEDs(LEDMASK_USB_READY);
  89                 }
  90
  91                 TCP_TCPTask(&Ethernet_RNDIS_Interface);
  92
  93                 RNDIS_Device_USBTask(&Ethernet_RNDIS_Interface);
  94                 USB_USBTask();
  95         }
  96 }
  97
  98 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  99 void SetupHardware(void)
 100 {
 101         /* Disable watchdog if enabled by bootloader/fuses */
 102         MCUSR &= ~(1 << WDRF);
 103         wdt_disable();
 104
 105         /* Disable clock division */
 106         clock_prescale_set(clock_div_1);
 107
 108         /* Hardware Initialization */
 109         LEDs_Init();
 110         SerialStream_Init(9600, false);
 111         USB_Init();
 112 }
 113
 114 /** Event handler for the library USB Connection event. */
 115 void EVENT_USB_Connect(void)
 116 {
 117         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 118 }
 119
 120 /** Event handler for the library USB Disconnection event. */
 121 void EVENT_USB_Disconnect(void)
 122 {
 123         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 124 }
 125
 126 /** Event handler for the library USB Configuration Changed event. */
 127 void EVENT_USB_ConfigurationChanged(void)
 128 {
 129         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 130
 131         if (!(RNDIS_Device_ConfigureEndpoints(&Ethernet_RNDIS_Interface)))
 132           LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 133 }
 134
 135 /** Event handler for the library USB Unhandled Control Packet event. */
 136 void EVENT_USB_UnhandledControlPacket(void)
 137 {
 138         RNDIS_Device_ProcessControlPacket(&Ethernet_RNDIS_Interface);
 139 }