Projects/Webserver/USBDeviceMode.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2011.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2011  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  *  USB Device Mode management functions and variables. This file contains the LUFA code required to
  34  *  manage the USB Mass Storage device mode.
  35  */
  36
  37 #include "USBDeviceMode.h"
  38
  39 /** LUFA RNDIS Class driver interface configuration and state information. This structure is
  40  *  passed to all RNDIS Class driver functions, so that multiple instances of the same class
  41  *  within a device can be differentiated from one another.
  42  */
  43 USB_ClassInfo_RNDIS_Device_t Ethernet_RNDIS_Interface_Device =
  44         {
  45                 .Config =
  46                         {
  47                                 .ControlInterfaceNumber         = 0,
  48
  49                                 .DataINEndpointNumber           = CDC_TX_EPNUM,
  50                                 .DataINEndpointSize             = CDC_TXRX_EPSIZE,
  51                                 .DataINEndpointDoubleBank       = false,
  52
  53                                 .DataOUTEndpointNumber          = CDC_RX_EPNUM,
  54                                 .DataOUTEndpointSize            = CDC_TXRX_EPSIZE,
  55                                 .DataOUTEndpointDoubleBank      = false,
  56
  57                                 .NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,
  58                                 .NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,
  59                                 .NotificationEndpointDoubleBank = false,
  60
  61                                 .AdapterVendorDescription       = "LUFA RNDIS Adapter",
  62                                 .AdapterMACAddress              = {{0x02, 0x00, 0x02, 0x00, 0x02, 0x00}},
  63                         },
  64         };
  65
  66 /** LUFA Mass Storage Class driver interface configuration and state information. This structure is
  67  *  passed to all Mass Storage Class driver functions, so that multiple instances of the same class
  68  *  within a device can be differentiated from one another.
  69  */
  70 USB_ClassInfo_MS_Device_t Disk_MS_Interface =
  71         {
  72                 .Config =
  73                         {
  74                                 .InterfaceNumber           = 2,
  75
  76                                 .DataINEndpointNumber      = MASS_STORAGE_IN_EPNUM,
  77                                 .DataINEndpointSize        = MASS_STORAGE_IO_EPSIZE,
  78                                 .DataINEndpointDoubleBank  = false,
  79
  80                                 .DataOUTEndpointNumber     = MASS_STORAGE_OUT_EPNUM,
  81                                 .DataOUTEndpointSize       = MASS_STORAGE_IO_EPSIZE,
  82                                 .DataOUTEndpointDoubleBank = false,
  83
  84                                 .TotalLUNs                 = 1,
  85                         },
  86         };
  87
  88
  89 /** USB device mode management task. This function manages the Mass Storage Device class driver when the device is
  90  *  initialized in USB device mode.
  91  */
  92 void USBDeviceMode_USBTask(void)
  93 {
  94         if (USB_CurrentMode != USB_MODE_Device)
  95           return;
  96
  97         uIPManagement_ManageNetwork();
  98
  99         RNDIS_Device_USBTask(&Ethernet_RNDIS_Interface_Device);
 100         MS_Device_USBTask(&Disk_MS_Interface);
 101 }
 102
 103 /** Event handler for the library USB Connection event. */
 104 void EVENT_USB_Device_Connect(void)
 105 {
 106         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 107
 108         uIPManagement_Init();
 109 }
 110
 111 /** Event handler for the library USB Disconnection event. */
 112 void EVENT_USB_Device_Disconnect(void)
 113 {
 114         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 115 }
 116
 117 /** Event handler for the library USB Configuration Changed event. */
 118 void EVENT_USB_Device_ConfigurationChanged(void)
 119 {
 120         bool ConfigSuccess = true;
 121
 122         ConfigSuccess &= RNDIS_Device_ConfigureEndpoints(&Ethernet_RNDIS_Interface_Device);
 123         ConfigSuccess &= MS_Device_ConfigureEndpoints(&Disk_MS_Interface);
 124
 125         LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 126 }
 127
 128 /** Event handler for the library USB Control Request reception event. */
 129 void EVENT_USB_Device_ControlRequest(void)
 130 {
 131         RNDIS_Device_ProcessControlRequest(&Ethernet_RNDIS_Interface_Device);
 132         MS_Device_ProcessControlRequest(&Disk_MS_Interface);
 133 }
 134
 135 /** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed.
 136  *
 137  *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface configuration structure being referenced
 138  */
 139 bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
 140 {
 141         bool CommandSuccess;
 142
 143         LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 144         CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);
 145         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 146
 147         return CommandSuccess;
 148 }
 149