Demos/Host/LowLevel/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 /** Main program entry point. This routine configures the hardware required by the application, then
  40  *  enters a loop to run the application tasks in sequence.
  41  */
  42 int main(void)
  43 {
  44         SetupHardware();
  45
  46         puts_P(PSTR(ESC_FG_CYAN "RNDIS Host Demo running.\r\n" ESC_FG_WHITE));
  47
  48         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  49
  50         for (;;)
  51         {
  52                 RNDIS_Host_Task();
  53                 USB_USBTask();
  54         }
  55 }
  56
  57 /** Configures the board hardware and chip peripherals for the demo's functionality. */
  58 void SetupHardware(void)
  59 {
  60         /* Disable watchdog if enabled by bootloader/fuses */
  61         MCUSR &= ~(1 << WDRF);
  62         wdt_disable();
  63
  64         /* Disable clock division */
  65         clock_prescale_set(clock_div_1);
  66
  67         /* Hardware Initialization */
  68         SerialStream_Init(9600, false);
  69         LEDs_Init();
  70         USB_Init();
  71 }
  72
  73 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  74  *  starts the library USB task to begin the enumeration and USB management process.
  75  */
  76 void EVENT_USB_Host_DeviceAttached(void)
  77 {
  78         puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
  79         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  80 }
  81
  82 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
  83  *  stops the library USB task management process.
  84  */
  85 void EVENT_USB_Host_DeviceUnattached(void)
  86 {
  87         puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
  88         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  89 }
  90
  91 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
  92  *  enumerated by the host and is now ready to be used by the application.
  93  */
  94 void EVENT_USB_Host_DeviceEnumerationComplete(void)
  95 {
  96         LEDs_SetAllLEDs(LEDMASK_USB_READY);
  97 }
  98
  99 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 100 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 101 {
 102         USB_ShutDown();
 103
 104         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 105                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 106
 107         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 108         for(;;);
 109 }
 110
 111 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 112  *  enumerating an attached USB device.
 113  */
 114 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 115 {
 116         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 117                                  " -- Error Code %d\r\n"
 118                                  " -- Sub Error Code %d\r\n"
 119                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 120
 121         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 122 }
 123
 124 void PrintIncommingPackets(void)
 125 {
 126         uint8_t ErrorCode;
 127
 128         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 129
 130         uint16_t PacketLength;
 131         if ((ErrorCode = RNDIS_GetPacketLength(&PacketLength)) != HOST_SENDCONTROL_Successful)
 132         {
 133                 printf_P(PSTR(ESC_FG_RED "Packet Reception Error.\r\n"
 134                                                                  " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 135                 return;
 136         }
 137
 138         if (!(PacketLength))
 139           return;
 140
 141         Pipe_Unfreeze();
 142
 143         printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);
 144
 145         if (PacketLength > 1024)
 146         {
 147                 puts_P(PSTR(ESC_FG_RED "Packet too large.\r\n" ESC_FG_WHITE));
 148                 Pipe_Discard_Stream(PacketLength);
 149         }
 150         else
 151         {
 152                 uint8_t PacketBuffer[PacketLength];
 153
 154                 Pipe_Read_Stream_LE(&PacketBuffer, PacketLength);
 155
 156                 for (uint16_t i = 0; i < PacketLength; i++)
 157                   printf("%02x ", PacketBuffer[i]);
 158         }
 159
 160         Pipe_ClearIN();
 161         Pipe_Freeze();
 162
 163         printf("\r\n\r\n");
 164
 165         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 166 }
 167
 168 /** Task to set the configuration of the attached device after it has been enumerated, and to read in
 169  *  data received from the attached RNDIS device and print it to the serial port.
 170  */
 171 void RNDIS_Host_Task(void)
 172 {
 173         uint8_t ErrorCode;
 174
 175         switch (USB_HostState)
 176         {
 177                 case HOST_STATE_Addressed:
 178                         puts_P(PSTR("Getting Config Data.\r\n"));
 179
 180                         /* Get and process the configuration descriptor data */
 181                         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 182                         {
 183                                 if (ErrorCode == ControlError)
 184                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 185                                 else
 186                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 187
 188                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 189
 190                                 /* Indicate error via status LEDs */
 191                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 192
 193                                 /* Wait until USB device disconnected */
 194                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 195                                 break;
 196                         }
 197
 198                         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 199                         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 200                         {
 201                                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 202                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 203
 204                                 /* Indicate error via status LEDs */
 205                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 206
 207                                 /* Wait until USB device disconnected */
 208                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 209                                 break;
 210                         }
 211
 212                         uint16_t DeviceMaxPacketSize;
 213                         if ((ErrorCode = RNDIS_InitializeDevice(1024, &DeviceMaxPacketSize)) != HOST_SENDCONTROL_Successful)
 214                         {
 215                                 printf_P(PSTR(ESC_FG_RED "Error Initializing Device.\r\n"
 216                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 217
 218                                 /* Indicate error via status LEDs */
 219                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 220
 221                                 /* Wait until USB device disconnected */
 222                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 223                                 break;
 224                         }
 225
 226                         printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), DeviceMaxPacketSize);
 227
 228                         /* We set the default filter to only receive packets we would be interested in */
 229                         uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST);
 230                         if ((ErrorCode = RNDIS_SetRNDISProperty(OID_GEN_CURRENT_PACKET_FILTER,
 231                                                                 &PacketFilter, sizeof(PacketFilter))) != HOST_SENDCONTROL_Successful)
 232                         {
 233                                 printf_P(PSTR(ESC_FG_RED "Error Setting Device Packet Filter.\r\n"
 234                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 235
 236                                 /* Indicate error via status LEDs */
 237                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 238
 239                                 /* Wait until USB device disconnected */
 240                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 241                                 break;
 242                         }
 243
 244                         uint32_t VendorID;
 245                         if ((ErrorCode = RNDIS_QueryRNDISProperty(OID_GEN_VENDOR_ID,
 246                                                                   &VendorID, sizeof(VendorID))) != HOST_SENDCONTROL_Successful)
 247                         {
 248                                 printf_P(PSTR(ESC_FG_RED "Error Getting Vendor ID.\r\n"
 249                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 250
 251                                 /* Indicate error via status LEDs */
 252                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 253
 254                                 /* Wait until USB device disconnected */
 255                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 256                                 break;
 257                         }
 258
 259                         printf_P(PSTR("Device Vendor ID: 0x%08lX\r\n"), VendorID);
 260
 261                         puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
 262
 263                         USB_HostState = HOST_STATE_Configured;
 264                         break;
 265                 case HOST_STATE_Configured:
 266                         PrintIncommingPackets();
 267
 268                         break;
 269         }
 270 }
 271