/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2013.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
- The author disclaim all warranties with regard to this
+ The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
*
* \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)))
+ #define VERSION_BCD(x) CPU_TO_LE16((VERSION_TENS(x) << 12) | (VERSION_ONES(x) << 8) | \
+ (VERSION_TENTHS(x) << 4) | (VERSION_HUNDREDTHS(x) << 0) )
/** String language ID for the English language. Should be used in \ref USB_Descriptor_String_t descriptors
* to indicate that the English language is supported by the device in its string descriptors.
/** \name USB Configuration Descriptor Attribute Masks */
//@{
/** Mask for the reserved bit in the Configuration Descriptor's \c ConfigAttributes field, which must be set on all
- * devices for historial purposes.
+ * devices for historical purposes.
*/
#define USB_CONFIG_ATTR_RESERVED 0x80
{
USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
- uint16_t USBSpecification; /**< BCD of the supported USB specification. */
+ uint16_t USBSpecification; /**< BCD of the supported USB specification.
+ *
+ * \see \ref VERSION_BCD() utility macro.
+ */
uint8_t Class; /**< USB device class. */
uint8_t SubClass; /**< USB device subclass. */
uint8_t Protocol; /**< USB device protocol. */
uint16_t VendorID; /**< Vendor ID for the USB product. */
uint16_t ProductID; /**< Unique product ID for the USB product. */
- uint16_t ReleaseNumber; /**< Product release (version) number. */
-
+ uint16_t ReleaseNumber; /**< Product release (version) number.
+ *
+ * \see \ref VERSION_BCD() utility macro.
+ */
uint8_t ManufacturerStrIndex; /**< String index for the manufacturer's name. The
* host will request this string via a separate
* control request for the string descriptor.
*
* \note On some microcontroller models, there is an embedded serial number
* in the chip which can be used for the device serial number.
- * To use this serial number, set this to USE_INTERNAL_SERIAL.
- * On unsupported devices, this will evaluate to 0 and will cause
- * the host to generate a pseudo-unique value for the device upon
- * insertion.
+ * To use this serial number, set this to \c USE_INTERNAL_SERIAL.
+ * On unsupported devices, this will evaluate to \ref NO_DESCRIPTOR
+ * and will cause the host to generate a pseudo-unique value for the
+ * device upon insertion.
*
- * \see ManufacturerStrIndex structure entry.
+ * \see \c ManufacturerStrIndex structure entry.
*/
uint8_t NumberOfConfigurations; /**< Total number of configurations supported by
* the device.
uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
* given by the specific class.
*/
- uint16_t bcdUSB; /**< BCD of the supported USB specification. */
+ uint16_t bcdUSB; /**< BCD of the supported USB specification.
+ *
+ * \see \ref VERSION_BCD() utility macro.
+ */
uint8_t bDeviceClass; /**< USB device class. */
uint8_t bDeviceSubClass; /**< USB device subclass. */
uint8_t bDeviceProtocol; /**< USB device protocol. */
uint8_t bMaxPacketSize0; /**< Size of the control (address 0) endpoint's bank in bytes. */
uint16_t idVendor; /**< Vendor ID for the USB product. */
uint16_t idProduct; /**< Unique product ID for the USB product. */
- uint16_t bcdDevice; /**< Product release (version) number. */
+ uint16_t bcdDevice; /**< Product release (version) number.
+ *
+ * \see \ref VERSION_BCD() utility macro.
+ */
uint8_t iManufacturer; /**< String index for the manufacturer's name. The
* host will request this string via a separate
* control request for the string descriptor.
*
* \note On some microcontroller models, there is an embedded serial number
* in the chip which can be used for the device serial number.
- * To use this serial number, set this to USE_INTERNAL_SERIAL.
- * On unsupported devices, this will evaluate to 0 and will cause
- * the host to generate a pseudo-unique value for the device upon
- * insertion.
+ * To use this serial number, set this to \c USE_INTERNAL_SERIAL.
+ * On unsupported devices, this will evaluate to \ref NO_DESCRIPTOR
+ * and will cause the host to generate a pseudo-unique value for the
+ * device upon insertion.
*
- * \see ManufacturerStrIndex structure entry.
+ * \see \c ManufacturerStrIndex structure entry.
*/
uint8_t bNumConfigurations; /**< Total number of configurations supported by
* the device.
{
USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
- uint16_t USBSpecification; /**< BCD of the supported USB specification. */
+ uint16_t USBSpecification; /**< BCD of the supported USB specification.
+ *
+ * \see \ref VERSION_BCD() utility macro.
+ */
uint8_t Class; /**< USB device class. */
uint8_t SubClass; /**< USB device subclass. */
uint8_t Protocol; /**< USB device protocol. */
{
uint8_t bLength; /**< Size of the descriptor, in bytes. */
uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
- * given by the specific class.
- */
- uint16_t bcdUSB; /**< BCD of the supported USB specification. */
+ * given by the specific class.
+ */
+ uint16_t bcdUSB; /**< BCD of the supported USB specification.
+ *
+ * \see \ref VERSION_BCD() utility macro.
+ */
uint8_t bDeviceClass; /**< USB device class. */
uint8_t bDeviceSubClass; /**< USB device subclass. */
uint8_t bDeviceProtocol; /**< USB device protocol. */
uint8_t ConfigurationNumber; /**< Configuration index of the current configuration. */
uint8_t ConfigurationStrIndex; /**< Index of a string descriptor describing the configuration. */
- uint8_t ConfigAttributes; /**< Configuration attributes, comprised of a mask of zero or
- * more USB_CONFIG_ATTR_* masks.
+ uint8_t ConfigAttributes; /**< Configuration attributes, comprised of a mask of \c USB_CONFIG_ATTR_* masks.
+ * On all devices, this should include USB_CONFIG_ATTR_RESERVED at a minimum.
*/
uint8_t MaxPowerConsumption; /**< Maximum power consumption of the device while in the
{
uint8_t bLength; /**< Size of the descriptor, in bytes. */
uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
- * given by the specific class.
- */
+ * given by the specific class.
+ */
uint16_t wTotalLength; /**< Size of the configuration descriptor header,
* and all sub descriptors inside the configuration.
*/
uint8_t bNumInterfaces; /**< Total number of interfaces in the configuration. */
uint8_t bConfigurationValue; /**< Configuration index of the current configuration. */
uint8_t iConfiguration; /**< Index of a string descriptor describing the configuration. */
- uint8_t bmAttributes; /**< Configuration attributes, comprised of a mask of zero or
- * more USB_CONFIG_ATTR_* masks.
+ uint8_t bmAttributes; /**< Configuration attributes, comprised of a mask of \c USB_CONFIG_ATTR_* masks.
+ * On all devices, this should include USB_CONFIG_ATTR_RESERVED at a minimum.
*/
uint8_t bMaxPower; /**< Maximum power consumption of the device while in the
* current configuration, calculated by the \ref USB_CONFIG_POWER_MA()
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
- #define VERSION_TENS(x) (int)((x) / 10)
- #define VERSION_ONES(x) (int)((x) - (10 * VERSION_TENS(x)))
- #define VERSION_TENTHS(x) (int)(((x) - (int)(x)) * 10)
- #define VERSION_HUNDREDTHS(x) (int)((((x) - (int)(x)) * 100) - (10 * VERSION_TENTHS(x)))
+ #define VERSION_TENS(x) (int)((int)(x) / 10)
+ #define VERSION_ONES(x) (int)((int)(x) % 10)
+ #define VERSION_TENTHS(x) (int)((x - (int)x) * 10)
+ #define VERSION_HUNDREDTHS(x) (int)((x * 100) - ((int)(x * 10) * 10))
#endif
/* Disable C linkage for C++ Compilers: */