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 PacketLength;
 142         if ((ErrorCode = RNDIS_GetPacketLength(&PacketLength)) != 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                 return;
 147         }
 148
 149         printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);
 150
 151         if (PacketLength > 1024)
 152         {
 153                 puts_P(PSTR(ESC_FG_RED "Packet too large.\r\n" ESC_FG_WHITE));
 154                 Pipe_Discard_Stream(PacketLength);
 155         }
 156         else
 157         {
 158                 uint8_t PacketBuffer[PacketLength];
 159
 160                 Pipe_Read_Stream_LE(&PacketBuffer, PacketLength);
 161
 162                 for (uint16_t i = 0; i < PacketLength; i++)
 163                   printf("%02x ", PacketBuffer[i]);
 164         }
 165
 166         printf("\r\n\r\n");
 167
 168         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 169
 170         Pipe_ClearIN();
 171         Pipe_Freeze();
 172 }
 173
 174 /** Task to set the configuration of the attached device after it has been enumerated, and to read in
 175  *  data received from the attached RNDIS device and print it to the serial port.
 176  */
 177 void RNDIS_Host_Task(void)
 178 {
 179         uint8_t ErrorCode;
 180
 181         switch (USB_HostState)
 182         {
 183                 case HOST_STATE_Addressed:
 184                         puts_P(PSTR("Getting Config Data.\r\n"));
 185
 186                         /* Get and process the configuration descriptor data */
 187                         if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
 188                         {
 189                                 if (ErrorCode == ControlError)
 190                                   puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
 191                                 else
 192                                   puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
 193
 194                                 printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 195
 196                                 /* Indicate error via status LEDs */
 197                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 198
 199                                 /* Wait until USB device disconnected */
 200                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 201                                 break;
 202                         }
 203
 204                         /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
 205                         if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
 206                         {
 207                                 printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
 208                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 209
 210                                 /* Indicate error via status LEDs */
 211                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 212
 213                                 /* Wait until USB device disconnected */
 214                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 215                                 break;
 216                         }
 217
 218                         uint16_t DeviceMaxPacketSize;
 219                         if ((ErrorCode = RNDIS_InitializeDevice(1024, &DeviceMaxPacketSize)) != HOST_SENDCONTROL_Successful)
 220                         {
 221                                 printf_P(PSTR(ESC_FG_RED "Error Initializing Device.\r\n"
 222                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 223
 224                                 /* Indicate error via status LEDs */
 225                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 226
 227                                 /* Wait until USB device disconnected */
 228                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 229                                 break;
 230                         }
 231
 232                         printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), DeviceMaxPacketSize);
 233
 234                         /* We set the default filter to only receive packets we would be interested in */
 235                         uint32_t PacketFilter = (RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST | RNDIS_PACKET_TYPE_ALL_MULTICAST);
 236                         if ((ErrorCode = RNDIS_SetRNDISProperty(OID_GEN_CURRENT_PACKET_FILTER,
 237                                                                 &PacketFilter, sizeof(PacketFilter))) != HOST_SENDCONTROL_Successful)
 238                         {
 239                                 printf_P(PSTR(ESC_FG_RED "Error Setting Device Packet Filter.\r\n"
 240                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 241
 242                                 /* Indicate error via status LEDs */
 243                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 244
 245                                 /* Wait until USB device disconnected */
 246                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 247                                 break;
 248                         }
 249
 250                         uint32_t VendorID;
 251                         if ((ErrorCode = RNDIS_QueryRNDISProperty(OID_GEN_VENDOR_ID,
 252                                                                   &VendorID, sizeof(VendorID))) != HOST_SENDCONTROL_Successful)
 253                         {
 254                                 printf_P(PSTR(ESC_FG_RED "Error Getting Vendor ID.\r\n"
 255                                                          " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 256
 257                                 /* Indicate error via status LEDs */
 258                                 LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 259
 260                                 /* Wait until USB device disconnected */
 261                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 262                                 break;
 263                         }
 264
 265                         printf_P(PSTR("Device Vendor ID: 0x%08X\r\n"), VendorID);
 266
 267                         puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
 268
 269                         USB_HostState = HOST_STATE_Configured;
 270                         break;
 271                 case HOST_STATE_Configured:
 272                         PrintIncommingPackets();
 273
 274                         break;
 275         }
 276 }
 277