Demos/Host/ClassDriver/RNDISEthernetHost/RNDISEthernetHost.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2010.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2010  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
  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                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 147                                 USB_HostState = HOST_STATE_Configured;
 148                                 break;
 149                         case HOST_STATE_Configured:
 150                                 PrintIncomingPackets();
 151
 152                                 break;
 153                 }
 154
 155                 RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface);
 156                 USB_USBTask();
 157         }
 158 }
 159
 160 /** Prints incoming packets from the attached RNDIS device to the serial port. */
 161 void PrintIncomingPackets(void)
 162 {
 163         if (RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface))
 164         {
 165                 LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 166
 167                 uint16_t PacketLength;
 168                 RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &PacketBuffer, &PacketLength);
 169
 170                 printf("***PACKET (Size %d)***\r\n", PacketLength);
 171
 172                 for (uint16_t i = 0; i < PacketLength; i++)
 173                   printf("%02x ", PacketBuffer[i]);
 174
 175                 printf("\r\n\r\n");
 176
 177                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 178         }
 179 }
 180
 181 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 182 void SetupHardware(void)
 183 {
 184         /* Disable watchdog if enabled by bootloader/fuses */
 185         MCUSR &= ~(1 << WDRF);
 186         wdt_disable();
 187
 188         /* Disable clock division */
 189         clock_prescale_set(clock_div_1);
 190
 191         /* Hardware Initialization */
 192         SerialStream_Init(9600, false);
 193         LEDs_Init();
 194         USB_Init();
 195 }
 196
 197 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 198  *  starts the library USB task to begin the enumeration and USB management process.
 199  */
 200 void EVENT_USB_Host_DeviceAttached(void)
 201 {
 202         puts_P(PSTR("Device Attached.\r\n"));
 203         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 204 }
 205
 206 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 207  *  stops the library USB task management process.
 208  */
 209 void EVENT_USB_Host_DeviceUnattached(void)
 210 {
 211         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 212         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 213 }
 214
 215 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 216  *  enumerated by the host and is now ready to be used by the application.
 217  */
 218 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 219 {
 220         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 221 }
 222
 223 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 224 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 225 {
 226         USB_ShutDown();
 227
 228         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 229                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 230
 231         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 232         for(;;);
 233 }
 234
 235 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 236  *  enumerating an attached USB device.
 237  */
 238 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 239 {
 240         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 241                                  " -- Error Code %d\r\n"
 242                                  " -- Sub Error Code %d\r\n"
 243                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 244
 245         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 246 }