Demos/Host/ClassDriver/RNDISEthernetHost/RNDISEthernetHost.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 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 incomming 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
  74         for (;;)
  75         {
  76                 switch (USB_HostState)
  77                 {
  78                         case HOST_STATE_Addressed:
  79                                 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  80
  81                                 uint16_t ConfigDescriptorSize;
  82                                 uint8_t  ConfigDescriptorData[512];
  83
  84                                 if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
  85                                                                        sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
  86                                 {
  87                                         printf("Error Retrieving Configuration Descriptor.\r\n");
  88                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  89                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  90                                         break;
  91                                 }
  92
  93                                 if (RNDIS_Host_ConfigurePipes(&Ethernet_RNDIS_Interface,
  94                                                               ConfigDescriptorSize, ConfigDescriptorData) != RNDIS_ENUMERROR_NoError)
  95                                 {
  96                                         printf("Attached Device Not a Valid RNDIS Class Device.\r\n");
  97                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  98                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  99                                         break;
 100                                 }
 101
 102                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
 103                                 {
 104                                         printf("Error Setting Device Configuration.\r\n");
 105                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 106                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 107                                         break;
 108                                 }
 109
 110                                 if (RNDIS_Host_InitializeDevice(&Ethernet_RNDIS_Interface) != HOST_SENDCONTROL_Successful)
 111                                 {
 112                                         printf("Error Initializing Device.\r\n");
 113
 114                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 115                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 116                                         break;
 117                                 }
 118
 119                                 printf("Device Max Transfer Size: %lu bytes.\r\n", Ethernet_RNDIS_Interface.State.DeviceMaxPacketSize);
 120
 121                                 uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST);
 122                                 if (RNDIS_Host_SetRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_CURRENT_PACKET_FILTER,
 123                                                                 &PacketFilter, sizeof(PacketFilter)) != HOST_SENDCONTROL_Successful)
 124                                 {
 125                                         printf("Error Setting Device Packet Filter.\r\n");
 126
 127                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 128                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 129                                         break;
 130                                 }
 131
 132                                 uint32_t VendorID;
 133                                 if (RNDIS_Host_QueryRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_VENDOR_ID,
 134                                                                   &VendorID, sizeof(VendorID)) != HOST_SENDCONTROL_Successful)
 135                                 {
 136                                         printf("Error Getting Vendor ID.\r\n");
 137
 138                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 139                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 140                                         break;
 141                                 }
 142
 143                                 printf("Device Vendor ID: 0x%08lX\r\n", VendorID);
 144
 145                                 printf("RNDIS Device Enumerated.\r\n");
 146                                 USB_HostState = HOST_STATE_Configured;
 147                                 break;
 148                         case HOST_STATE_Configured:
 149                                 PrintIncommingPackets();
 150
 151                                 break;
 152                 }
 153
 154                 RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface);
 155                 USB_USBTask();
 156         }
 157 }
 158
 159 /** Prints incomming packets from the attached RNDIS device to the serial port. */
 160 void PrintIncommingPackets(void)
 161 {
 162         uint16_t PacketLength;
 163
 164         RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &PacketBuffer, &PacketLength);
 165
 166         if (PacketLength)
 167         {
 168                 printf("***PACKET (Size %d)***\r\n", PacketLength);
 169
 170                 for (uint16_t i = 0; i < PacketLength; i++)
 171                   printf("%02x ", PacketBuffer[i]);
 172
 173                 printf("\r\n\r\n");
 174         }
 175 }
 176
 177 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 178 void SetupHardware(void)
 179 {
 180         /* Disable watchdog if enabled by bootloader/fuses */
 181         MCUSR &= ~(1 << WDRF);
 182         wdt_disable();
 183
 184         /* Disable clock division */
 185         clock_prescale_set(clock_div_1);
 186
 187         /* Hardware Initialization */
 188         SerialStream_Init(9600, false);
 189         LEDs_Init();
 190         USB_Init();
 191 }
 192
 193 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 194  *  starts the library USB task to begin the enumeration and USB management process.
 195  */
 196 void EVENT_USB_Host_DeviceAttached(void)
 197 {
 198         puts_P(PSTR("Device Attached.\r\n"));
 199         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 200 }
 201
 202 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 203  *  stops the library USB task management process.
 204  */
 205 void EVENT_USB_Host_DeviceUnattached(void)
 206 {
 207         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 208         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 209 }
 210
 211 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 212  *  enumerated by the host and is now ready to be used by the application.
 213  */
 214 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 215 {
 216         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 217 }
 218
 219 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 220 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 221 {
 222         USB_ShutDown();
 223
 224         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 225                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 226
 227         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 228         for(;;);
 229 }
 230
 231 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 232  *  enumerating an attached USB device.
 233  */
 234 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 235 {
 236         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 237                                  " -- Error Code %d\r\n"
 238                                  " -- Sub Error Code %d\r\n"
 239                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 240
 241         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 242 }