Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2011.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2011  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
  67 /** Main program entry point. This routine contains the overall program flow, including initial
  68  *  setup of all components and the main program loop.
  69  */
  70 int main(void)
  71 {
  72         SetupHardware();
  73
  74         TCP_Init();
  75         Webserver_Init();
  76
  77         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  78         sei();
  79
  80         for (;;)
  81         {
  82                 if (Ethernet_RNDIS_Interface.State.FrameIN.FrameInBuffer)
  83                 {
  84                         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
  85                         Ethernet_ProcessPacket(&Ethernet_RNDIS_Interface.State.FrameIN, &Ethernet_RNDIS_Interface.State.FrameOUT);
  86                         LEDs_SetAllLEDs(LEDMASK_USB_READY);
  87                 }
  88
  89                 TCP_TCPTask(&Ethernet_RNDIS_Interface);
  90
  91                 RNDIS_Device_USBTask(&Ethernet_RNDIS_Interface);
  92                 USB_USBTask();
  93         }
  94 }
  95
  96 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  97 void SetupHardware(void)
  98 {
  99         /* Disable watchdog if enabled by bootloader/fuses */
 100         MCUSR &= ~(1 << WDRF);
 101         wdt_disable();
 102
 103         /* Disable clock division */
 104         clock_prescale_set(clock_div_1);
 105
 106         /* Hardware Initialization */
 107         LEDs_Init();
 108         Serial_Init(9600, false);
 109         USB_Init();
 110
 111         /* Create a stdio stream for the serial port for stdin and stdout */
 112         Serial_CreateStream(NULL);
 113 }
 114
 115 /** Event handler for the library USB Connection event. */
 116 void EVENT_USB_Device_Connect(void)
 117 {
 118         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 119 }
 120
 121 /** Event handler for the library USB Disconnection event. */
 122 void EVENT_USB_Device_Disconnect(void)
 123 {
 124         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 125 }
 126
 127 /** Event handler for the library USB Configuration Changed event. */
 128 void EVENT_USB_Device_ConfigurationChanged(void)
 129 {
 130         bool ConfigSuccess = true;
 131
 132         ConfigSuccess &= RNDIS_Device_ConfigureEndpoints(&Ethernet_RNDIS_Interface);
 133
 134         LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 135 }
 136
 137 /** Event handler for the library USB Control Request reception event. */
 138 void EVENT_USB_Device_ControlRequest(void)
 139 {
 140         RNDIS_Device_ProcessControlRequest(&Ethernet_RNDIS_Interface);
 141 }
 142