Corrected new Pipe_IsEndpointBound() function.

[pub/USBasp.git] / LUFA / Drivers / USB / HighLevel / StdDescriptors.h

diff --git a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
index 7a0ca52..274b84f 100644 (file)
--- a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
+++ b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
@@ -74,6 +74,21 @@
                         *  descriptor does not exist.\r
                         */\r
                        #define NO_DESCRIPTOR                     0\r
+\r
+                       #if (!defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))) || defined(__DOXYGEN__)\r
+                               /** String descriptor index for the device's unique serial number string descriptor within the device.\r
+                                *  This unique serial number is used by the host to associate resources to the device (such as drivers or COM port\r
+                                *  number allocations) to a device regardless of the port it is plugged in to on the host. Some USB AVRs contain\r
+                                *  a unique serial number internally, and setting the device descriptors serial number string index to this value\r
+                                *  will cause it to use the internal serial number.\r
+                                *\r
+                                *  On unsupported devices, this will evaluate to NO_DESCRIPTOR and so will force the host to create a pseduo-serial\r
+                                *  number for the device.\r
+                                */\r
+                               #define USE_INTERNAL_SERIAL         0xDC\r
+                       #else\r
+                               #define USE_INTERNAL_SERIAL         NO_DESCRIPTOR\r
+                       #endif\r
                        \r
                        /** Macro to calculate the power value for the device descriptor, from a given number of milliamps. */\r
                        #define USB_CONFIG_POWER_MA(mA)            (mA >> 1)\r
@@ -245,6 +260,13 @@
                                uint8_t                 SerialNumStrIndex; /**< String index for the product's globally unique hexadecimal\r
                                                                            *   serial number, in uppercase Unicode ASCII.\r
                                                                            *\r
+                                                                           *  \note On some AVR models, there is an embedded serial number\r
+                                                                           *        in the chip which can be used for the device serial number.\r
+                                                                           *        To use this serial number, set this to USE_INTERNAL_SERIAL.\r
+                                                                           *        On unsupported devices, this will evaluate to 0 and will cause\r
+                                                                           *        the host to generate a pseudo-unique value for the device upon\r
+                                                                           *        insertion.\r
+                                                                           *\r
                                                                            *  \see ManufacturerStrIndex structure entry.\r
                                                                            */\r
 \r