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