Demos/Host/Incomplete/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         Pipe_SelectPipe(RNDIS_DATAPIPE_IN);
 129         Pipe_Unfreeze();
 130
 131         if (!(Pipe_IsReadWriteAllowed()))
 132         {
 133                 Pipe_Freeze();
 134                 return;
 135         }
 136
 137         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 138
 139         puts_P(PSTR("DATA IN\r\n"));
 140
 141         uint16_t PacketSize;
 142         if ((ErrorCode = RNDIS_GetPacketSize(&PacketSize)) != HOST_SENDCONTROL_Successful)
 143         {
 144                 printf_P(PSTR(ESC_FG_RED "Packet Reception Error.\r\n"
 145                                                                  " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 146         }
 147         else if (PacketSize > 2048)
 148         {
 149                 printf_P(PSTR(ESC_FG_RED "Packet of Size %d Too Large.\r\n" ESC_FG_WHITE), PacketSize);
 150                 Pipe_Discard_Stream(PacketSize);
 151         }
 152         else
 153         {
 154                 uint8_t PacketBuffer[PacketSize];
 155
 156                 Pipe_Read_Stream_LE(&PacketBuffer, PacketSize);
 157
 158                 printf("***PACKET (Size %d)***\r\n", PacketSize);
 159                 for (uint16_t i = 0; i < PacketSize; i++)
 160                 {
 161                         printf("%02x ", PacketBuffer[i]);
 162                 }
 163                 printf("\r\n\r\n");
 164         }
 165
 166         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 167
 168         Pipe_ClearIN();
 169         Pipe_Freeze();
 170 }
 171
 172 /** Task to set the configuration of the attached device after it has been enumerated, and to read in
 173  *  data received from the attached RNDIS device and print it to the serial port.
 174  */
 175 void RNDIS_Host_Task(void)
 176 {
 177         uint8_t ErrorCode;
 178
 179         switch (USB_HostState)
 180         {
 181                 case HOST_STATE_Addressed:
 182                         puts_P(PSTR("Getting Config Data.\r\n"));
 183
 184                         /* Get and process the configuration descriptor data */
 185                         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 186                         {
 187                                 if (ErrorCode == ControlError)
 188                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 189                                 else
 190                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 191
 192                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 193
 194                                 /* Indicate error via status LEDs */
 195                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 196
 197                                 /* Wait until USB device disconnected */
 198                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 199                                 break;
 200                         }
 201
 202                         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 203                         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 204                         {
 205                                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 206                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 207
 208                                 /* Indicate error via status LEDs */
 209                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 210
 211                                 /* Wait until USB device disconnected */
 212                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 213                                 break;
 214                         }
 215
 216                         RNDIS_Initialize_Complete_t InitMessageResponse;
 217                         if ((ErrorCode = RNDIS_InitializeDevice(1024, &InitMessageResponse)) != HOST_SENDCONTROL_Successful)
 218                         {
 219                                 printf_P(PSTR(ESC_FG_RED "Error Initializing Device.\r\n"
 220                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 221
 222                                 /* Indicate error via status LEDs */
 223                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 224
 225                                 /* Wait until USB device disconnected */
 226                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 227                                 break;
 228                         }
 229
 230                         printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), InitMessageResponse.MaxTransferSize);
 231
 232                         /* We set the default filter to only receive packets we would be interested in */
 233                         uint32_t PacketFilter = (RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST | RNDIS_PACKET_TYPE_ALL_MULTICAST);
 234                         if ((ErrorCode = RNDIS_SetRNDISProperty(OID_GEN_CURRENT_PACKET_FILTER,
 235                                                                 &PacketFilter, sizeof(PacketFilter))) != HOST_SENDCONTROL_Successful)
 236                         {
 237                                 printf_P(PSTR(ESC_FG_RED "Error Setting Device Packet Filter.\r\n"
 238                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 239
 240                                 /* Indicate error via status LEDs */
 241                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 242
 243                                 /* Wait until USB device disconnected */
 244                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 245                                 break;
 246                         }
 247
 248                         uint32_t VendorID;
 249                         if ((ErrorCode = RNDIS_QueryRNDISProperty(OID_GEN_VENDOR_ID,
 250                                                                   &VendorID, sizeof(VendorID))) != HOST_SENDCONTROL_Successful)
 251                         {
 252                                 printf_P(PSTR(ESC_FG_RED "Error Getting Vendor ID.\r\n"
 253                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 254
 255                                 /* Indicate error via status LEDs */
 256                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 257
 258                                 /* Wait until USB device disconnected */
 259                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 260                                 break;
 261                         }
 262
 263                         printf_P(PSTR("Device Vendor ID: 0x%08X\r\n"), VendorID);
 264
 265                         puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
 266
 267                         USB_HostState = HOST_STATE_Configured;
 268                         break;
 269                 case HOST_STATE_Configured:
 270                         PrintIncommingPackets();
 271
 272                         break;
 273         }
 274 }
 275