Add user callback function to the Bluetooth host demo to filter out connections from...

[pub/USBasp.git] / Demos / Host / Incomplete / BluetoothHost / DeviceDescriptor.c

diff --git a/Demos/Host/Incomplete/BluetoothHost/DeviceDescriptor.c b/Demos/Host/Incomplete/BluetoothHost/DeviceDescriptor.c
index f68f957..65d5b33 100644 (file)
--- a/Demos/Host/Incomplete/BluetoothHost/DeviceDescriptor.c
+++ b/Demos/Host/Incomplete/BluetoothHost/DeviceDescriptor.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r

-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r

               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r

-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r

 \r
 \r

-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r

   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r


@@ -28,25 +28,39 @@
   this software.\r
 */\r
 \r
   this software.\r
 */\r
 \r

+/** \file\r
+ *\r
+ *  USB Device Descriptor processing routines, to determine the overall device parameters. Descriptors are special \r
+ *  computer-readable structures which the host requests upon device enumeration, to determine information about\r
+ *  the attached device.\r
+ */\r
+\r

 #include "DeviceDescriptor.h"\r
 \r
 #include "DeviceDescriptor.h"\r
 \r

+/** Reads and processes an attached device's Device Descriptor, to determine compatibility\r
+ *\r
+ *  This routine checks to ensure that the attached device's class codes match those for Bluetooth devices.\r
+ *\r
+ *  \return An error code from the \ref BluetoothHost_GetDeviceDescriptorDataCodes_t enum.\r
+ */\r

 uint8_t ProcessDeviceDescriptor(void)\r
 {\r
        USB_Descriptor_Device_t DeviceDescriptor;\r
 \r
        /* Send the request to retrieve the device descriptor */\r
        if (USB_Host_GetDeviceDescriptor(&DeviceDescriptor) != HOST_SENDCONTROL_Successful)\r
 uint8_t ProcessDeviceDescriptor(void)\r
 {\r
        USB_Descriptor_Device_t DeviceDescriptor;\r
 \r
        /* Send the request to retrieve the device descriptor */\r
        if (USB_Host_GetDeviceDescriptor(&DeviceDescriptor) != HOST_SENDCONTROL_Successful)\r

-         return ControlErrorDuringDeviceRead;\r
+         return DevControlError;\r

          \r
        /* Validate returned data - ensure the returned data is a device descriptor */\r
        if (DeviceDescriptor.Header.Type != DTYPE_Device)\r
          return InvalidDeviceDataReturned;\r
          \r
        /* Validate returned data - ensure the returned data is a device descriptor */\r
        if (DeviceDescriptor.Header.Type != DTYPE_Device)\r
          return InvalidDeviceDataReturned;\r

-         \r
+       \r
+       /* Validate returned device Class, SubClass and Protocol values against the Bluetooth spec values */\r

        if ((DeviceDescriptor.Class    != BLUETOOTH_DEVICE_CLASS)    ||\r
            (DeviceDescriptor.SubClass != BLUETOOTH_DEVICE_SUBCLASS) ||\r
            (DeviceDescriptor.Protocol != BLUETOOTH_DEVICE_PROTOCOL))\r
        {\r
        if ((DeviceDescriptor.Class    != BLUETOOTH_DEVICE_CLASS)    ||\r
            (DeviceDescriptor.SubClass != BLUETOOTH_DEVICE_SUBCLASS) ||\r
            (DeviceDescriptor.Protocol != BLUETOOTH_DEVICE_PROTOCOL))\r
        {\r

-               return IncorrectDevice;\r
+               return IncorrectBTDevice;\r

        }\r
        \r
        return SuccessfulDeviceRead;\r
        }\r
        \r
        return SuccessfulDeviceRead;\r