Demos/Host/ClassDriver/RNDISEthernetHost/RNDISEthernetHost.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 RNDISEthernetHost demo. This file contains the main tasks of
  34  *  the demo and is responsible for the initial application hardware configuration.
  35  */
  36
  37 #include "RNDISEthernetHost.h"
  38
  39 /** Buffer to hold incoming and outgoing Ethernet packets. */
  40 uint8_t PacketBuffer[1024];
  41
  42 /** LUFA RNDIS Class driver interface configuration and state information. This structure is
  43  *  passed to all RNDIS Class driver functions, so that multiple instances of the same class
  44  *  within a device can be differentiated from one another.
  45  */
  46 USB_ClassInfo_RNDIS_Host_t Ethernet_RNDIS_Interface =
  47         {
  48                 .Config =
  49                         {
  50                                 .DataINPipeNumber           = 1,
  51                                 .DataINPipeDoubleBank       = false,
  52
  53                                 .DataOUTPipeNumber          = 2,
  54                                 .DataOUTPipeDoubleBank      = false,
  55
  56                                 .NotificationPipeNumber     = 3,
  57                                 .NotificationPipeDoubleBank = false,
  58
  59                                 .HostMaxPacketSize          = sizeof(PacketBuffer),
  60                         },
  61         };
  62
  63 /** Main program entry point. This routine configures the hardware required by the application, then
  64  *  enters a loop to run the application tasks in sequence.
  65  */
  66 int main(void)
  67 {
  68         SetupHardware();
  69
  70         puts_P(PSTR(ESC_FG_CYAN "RNDIS Host Demo running.\r\n" ESC_FG_WHITE));
  71
  72         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  73         sei();
  74
  75         for (;;)
  76         {
  77                 switch (USB_HostState)
  78                 {
  79                         case HOST_STATE_Addressed:
  80                                 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  81
  82                                 uint16_t ConfigDescriptorSize;
  83                                 uint8_t  ConfigDescriptorData[512];
  84
  85                                 if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
  86                                                                        sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
  87                                 {
  88                                         puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
  89                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  90                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  91                                         break;
  92                                 }
  93
  94                                 if (RNDIS_Host_ConfigurePipes(&Ethernet_RNDIS_Interface,
  95                                                               ConfigDescriptorSize, ConfigDescriptorData) != RNDIS_ENUMERROR_NoError)
  96                                 {
  97                                         puts_P(PSTR("Attached Device Not a Valid RNDIS Class Device.\r\n"));
  98                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  99                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 100                                         break;
 101                                 }
 102
 103                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
 104                                 {
 105                                         puts_P(PSTR("Error Setting Device Configuration.\r\n"));
 106                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 107                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 108                                         break;
 109                                 }
 110
 111                                 if (RNDIS_Host_InitializeDevice(&Ethernet_RNDIS_Interface) != HOST_SENDCONTROL_Successful)
 112                                 {
 113                                         puts_P(PSTR("Error Initializing Device.\r\n"));
 114
 115                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 116                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 117                                         break;
 118                                 }
 119
 120                                 printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), Ethernet_RNDIS_Interface.State.DeviceMaxPacketSize);
 121
 122                                 uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST);
 123                                 if (RNDIS_Host_SetRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_CURRENT_PACKET_FILTER,
 124                                                                 &PacketFilter, sizeof(PacketFilter)) != HOST_SENDCONTROL_Successful)
 125                                 {
 126                                         puts_P(PSTR("Error Setting Device Packet Filter.\r\n"));
 127
 128                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 129                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 130                                         break;
 131                                 }
 132
 133                                 uint32_t VendorID;
 134                                 if (RNDIS_Host_QueryRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_VENDOR_ID,
 135                                                                   &VendorID, sizeof(VendorID)) != HOST_SENDCONTROL_Successful)
 136                                 {
 137                                         puts_P(PSTR("Error Getting Vendor ID.\r\n"));
 138
 139                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 140                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 141                                         break;
 142                                 }
 143
 144                                 printf_P(PSTR("Device Vendor ID: 0x%08lX\r\n"), VendorID);
 145
 146                                 puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
 147                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 148                                 USB_HostState = HOST_STATE_Configured;
 149                                 break;
 150                         case HOST_STATE_Configured:
 151                                 PrintIncomingPackets();
 152
 153                                 break;
 154                 }
 155
 156                 RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface);
 157                 USB_USBTask();
 158         }
 159 }
 160
 161 /** Prints incoming packets from the attached RNDIS device to the serial port. */
 162 void PrintIncomingPackets(void)
 163 {
 164         if (RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface))
 165         {
 166                 LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 167
 168                 uint16_t PacketLength;
 169                 RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &PacketBuffer, &PacketLength);
 170
 171                 printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);
 172
 173                 for (uint16_t i = 0; i < PacketLength; i++)
 174                   printf("0x%02x ", PacketBuffer[i]);
 175
 176                 printf_P(PSTR("\r\n\r\n"));
 177
 178                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 179         }
 180 }
 181
 182 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 183 void SetupHardware(void)
 184 {
 185         /* Disable watchdog if enabled by bootloader/fuses */
 186         MCUSR &= ~(1 << WDRF);
 187         wdt_disable();
 188
 189         /* Disable clock division */
 190         clock_prescale_set(clock_div_1);
 191
 192         /* Hardware Initialization */
 193         Serial_Init(9600, false);
 194         LEDs_Init();
 195         USB_Init();
 196
 197         /* Create a stdio stream for the serial port for stdin and stdout */
 198         Serial_CreateStream(NULL);
 199 }
 200
 201 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 202  *  starts the library USB task to begin the enumeration and USB management process.
 203  */
 204 void EVENT_USB_Host_DeviceAttached(void)
 205 {
 206         puts_P(PSTR("Device Attached.\r\n"));
 207         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 208 }
 209
 210 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 211  *  stops the library USB task management process.
 212  */
 213 void EVENT_USB_Host_DeviceUnattached(void)
 214 {
 215         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 216         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 217 }
 218
 219 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 220  *  enumerated by the host and is now ready to be used by the application.
 221  */
 222 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 223 {
 224         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 225 }
 226
 227 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 228 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 229 {
 230         USB_ShutDown();
 231
 232         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 233                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 234
 235         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 236         for(;;);
 237 }
 238
 239 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 240  *  enumerating an attached USB device.
 241  */
 242 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
 243                                             const uint8_t SubErrorCode)
 244 {
 245         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 246                                  " -- Error Code %d\r\n"
 247                                  " -- Sub Error Code %d\r\n"
 248                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 249
 250         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 251 }
 252