Add experimental support for the UC3A0, UC3A1 and UC3A3 series AVR32 microcontrollers.

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

diff --git a/LUFA/Drivers/USB/Core/StdDescriptors.h b/LUFA/Drivers/USB/Core/StdDescriptors.h
index 1ad1497..908f27b 100644 (file)
--- a/LUFA/Drivers/USB/Core/StdDescriptors.h
+++ b/LUFA/Drivers/USB/Core/StdDescriptors.h
@@ -76,17 +76,24 @@
                         */
                        #define NO_DESCRIPTOR                     0
 
-                       /** Macro to calculate the power value for the configuration descriptor, from a given number of milliamperes. */
+                       /** Macro to calculate the power value for the configuration descriptor, from a given number of milliamperes.
+                        *
+                        *  \param[in] mA  Maximum number of milliamps the device consumes when the given configuration is selected.
+                        */
                        #define USB_CONFIG_POWER_MA(mA)           ((mA) >> 1)
 
                        /** Macro to calculate the Unicode length of a string with a given number of Unicode characters.
                         *  Should be used in string descriptor's headers for giving the string descriptor's byte length.
+                        *
+                        *  \param[in] UnicodeChars  Number of Unicode characters in the string text.
                         */
-                       #define USB_STRING_LEN(str)               (sizeof(USB_Descriptor_Header_t) + ((str) << 1))
+                       #define USB_STRING_LEN(UnicodeChars)      (sizeof(USB_Descriptor_Header_t) + ((UnicodeChars) << 1))
 
                        /** Macro to encode a given four digit floating point version number (e.g. 01.23) into Binary Coded
                         *  Decimal format for descriptor fields requiring BCD encoding, such as the USB version number in the
                         *  standard device descriptor.
+                        *
+                        *  \param[in]  x  Version number to encode as a 16-bit little-endian number, as a floating point number.
                         */
                        #define VERSION_BCD(x)                    CPU_TO_LE16((((VERSION_TENS(x) << 4) | VERSION_ONES(x)) << 8) | \
                                                                  ((VERSION_TENTHS(x) << 4) | VERSION_HUNDREDTHS(x)))