diff options
Diffstat (limited to 'LUFA/Drivers/USB')
-rw-r--r-- | LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c | 2 | ||||
-rw-r--r-- | LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h | 2 | ||||
-rw-r--r-- | LUFA/Drivers/USB/HighLevel/StdDescriptors.h | 402 |
3 files changed, 198 insertions, 208 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c index ffac8ae0f..78290d73c 100644 --- a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c +++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c @@ -114,7 +114,7 @@ void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem, USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, Type); } -uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, void** const CurrConfigLoc, ConfigComparatorPtr_t const ComparatorRoutine) +uint8_t USB_GetNextDescriptorComp(uint16_t* const BytesRem, void** const CurrConfigLoc, ConfigComparatorPtr_t const ComparatorRoutine) { uint8_t ErrorCode; diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h index 14457ca2a..76b734bd7 100644 --- a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h +++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h @@ -254,7 +254,7 @@ * } * \endcode */ - uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, void** const CurrConfigLoc, ConfigComparatorPtr_t const ComparatorRoutine); + uint8_t USB_GetNextDescriptorComp(uint16_t* const BytesRem, void** const CurrConfigLoc, ConfigComparatorPtr_t const ComparatorRoutine); /* Inline Functions: */ /** Skips over the current sub-descriptor inside the configuration descriptor, so that the pointer then diff --git a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h index 2ff162286..1798365c5 100644 --- a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h +++ b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h @@ -223,10 +223,10 @@ */ typedef struct { - uint8_t Size; /**< Size of the descriptor, in bytes. */ - uint8_t Type; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value - * given by the specific class. - */ + uint8_t Size; /**< Size of the descriptor, in bytes. */ + uint8_t Type; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value + * given by the specific class. + */ } USB_Descriptor_Header_t; /** \brief Standard USB Descriptor Header (USB-IF naming conventions). @@ -238,10 +238,10 @@ */ typedef struct { - 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. - */ + 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. + */ } USB_StdDescriptor_Header_t; /** \brief Standard USB Device Descriptor (LUFA naming conventions). @@ -255,42 +255,42 @@ { USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ - uint16_t USBSpecification; /**< BCD of the supported USB specification. */ - uint8_t Class; /**< USB device class. */ - uint8_t SubClass; /**< USB device subclass. */ - uint8_t Protocol; /**< USB device protocol. */ + uint16_t USBSpecification; /**< BCD of the supported USB specification. */ + uint8_t Class; /**< USB device class. */ + uint8_t SubClass; /**< USB device subclass. */ + uint8_t Protocol; /**< USB device protocol. */ - uint8_t Endpoint0Size; /**< Size of the control (address 0) endpoint's bank in bytes. */ + uint8_t Endpoint0Size; /**< Size of the control (address 0) endpoint's bank in bytes. */ - 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 VendorID; /**< Vendor ID for the USB product. */ + uint16_t ProductID; /**< Unique product ID for the USB product. */ + uint16_t ReleaseNumber; /**< Product release (version) number. */ - 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 If no string supplied, use \ref NO_DESCRIPTOR. - */ - uint8_t ProductStrIndex; /**< String index for the product name/details. - * - * \see ManufacturerStrIndex structure entry. - */ - uint8_t SerialNumStrIndex; /**< String index for the product's globally unique hexadecimal - * serial number, in uppercase Unicode ASCII. + 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 AVR 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. - * - * \see ManufacturerStrIndex structure entry. + * \note If no string supplied, use \ref NO_DESCRIPTOR. */ - uint8_t NumberOfConfigurations; /**< Total number of configurations supported by - * the device. - */ + uint8_t ProductStrIndex; /**< String index for the product name/details. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t SerialNumStrIndex; /**< String index for the product's globally unique hexadecimal + * serial number, in uppercase Unicode ASCII. + * + * \note On some AVR 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. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t NumberOfConfigurations; /**< Total number of configurations supported by + * the device. + */ } USB_Descriptor_Device_t; /** \brief Standard USB Device Descriptor (USB-IF naming conventions). @@ -302,43 +302,43 @@ */ typedef struct { - 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 + 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. */ - 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. */ - 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 If no string supplied, use \ref NO_DESCRIPTOR. - */ - uint8_t iProduct; /**< String index for the product name/details. - * - * \see ManufacturerStrIndex structure entry. - */ - uint8_t iSerialNumber; /**< String index for the product's globally unique hexadecimal - * serial number, in uppercase Unicode ASCII. - * - * \note On some AVR 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. - * - * \see ManufacturerStrIndex structure entry. - */ - uint8_t bNumConfigurations; /**< Total number of configurations supported by - * the device. - */ + uint16_t bcdUSB; /**< BCD of the supported USB specification. */ + 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. */ + 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 If no string supplied, use \ref NO_DESCRIPTOR. + */ + uint8_t iProduct; /**< String index for the product name/details. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t iSerialNumber; /**< String index for the product's globally unique hexadecimal + * serial number, in uppercase Unicode ASCII. + * + * \note On some AVR 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. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t bNumConfigurations; /**< Total number of configurations supported by + * the device. + */ } USB_StdDescriptor_Device_t; /** \brief Standard USB Configuration Descriptor (LUFA naming conventions). @@ -352,22 +352,22 @@ { USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ - uint16_t TotalConfigurationSize; /**< Size of the configuration descriptor header, - * and all sub descriptors inside the configuration. - */ - uint8_t TotalInterfaces; /**< Total number of interfaces in the configuration. */ + uint16_t TotalConfigurationSize; /**< Size of the configuration descriptor header, + * and all sub descriptors inside the configuration. + */ + uint8_t TotalInterfaces; /**< Total number of interfaces in the configuration. */ - uint8_t ConfigurationNumber; /**< Configuration index of the current configuration. */ - uint8_t ConfigurationStrIndex; /**< Index of a string descriptor describing the configuration. */ + 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 zero or + * more USB_CONFIG_ATTR_* masks. + */ - uint8_t MaxPowerConsumption; /**< Maximum power consumption of the device while in the - * current configuration, calculated by the \ref USB_CONFIG_POWER_MA() - * macro. - */ + uint8_t MaxPowerConsumption; /**< Maximum power consumption of the device while in the + * current configuration, calculated by the \ref USB_CONFIG_POWER_MA() + * macro. + */ } USB_Descriptor_Configuration_Header_t; /** \brief Standard USB Configuration Descriptor (USB-IF naming conventions). @@ -379,23 +379,23 @@ */ typedef struct { - 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 + 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 wTotalLength; /**< Size of the configuration descriptor header, + 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 bMaxPower; /**< Maximum power consumption of the device while in the - * current configuration, calculated by the \ref USB_CONFIG_POWER_MA() - * macro. + 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 bMaxPower; /**< Maximum power consumption of the device while in the + * current configuration, calculated by the \ref USB_CONFIG_POWER_MA() + * macro. + */ } USB_StdDescriptor_Configuration_Header_t; /** \brief Standard USB Interface Descriptor (LUFA naming conventions). @@ -409,21 +409,19 @@ { USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ - uint8_t InterfaceNumber; /**< Index of the interface in the current configuration. */ - uint8_t AlternateSetting; /**< Alternate setting for the interface number. The same - * interface number can have multiple alternate settings - * with different endpoint configurations, which can be - * selected by the host. - */ - uint8_t TotalEndpoints; /**< Total number of endpoints in the interface. */ + uint8_t InterfaceNumber; /**< Index of the interface in the current configuration. */ + uint8_t AlternateSetting; /**< Alternate setting for the interface number. The same + * interface number can have multiple alternate settings + * with different endpoint configurations, which can be + * selected by the host. + */ + uint8_t TotalEndpoints; /**< Total number of endpoints in the interface. */ - uint8_t Class; /**< Interface class ID. */ - uint8_t SubClass; /**< Interface subclass ID. */ - uint8_t Protocol; /**< Interface protocol ID. */ + uint8_t Class; /**< Interface class ID. */ + uint8_t SubClass; /**< Interface subclass ID. */ + uint8_t Protocol; /**< Interface protocol ID. */ - uint8_t InterfaceStrIndex; /**< Index of the string descriptor describing the - * interface. - */ + uint8_t InterfaceStrIndex; /**< Index of the string descriptor describing the interface. */ } USB_Descriptor_Interface_t; /** \brief Standard USB Interface Descriptor (USB-IF naming conventions). @@ -435,23 +433,23 @@ */ typedef struct { - 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. - */ - uint8_t bInterfaceNumber; /**< Index of the interface in the current configuration. */ - uint8_t bAlternateSetting; /**< Alternate setting for the interface number. The same - * interface number can have multiple alternate settings - * with different endpoint configurations, which can be - * selected by the host. - */ - uint8_t bNumEndpoints; /**< Total number of endpoints in the interface. */ - uint8_t bInterfaceClass; /**< Interface class ID. */ - uint8_t bInterfaceSubClass; /**< Interface subclass ID. */ - uint8_t bInterfaceProtocol; /**< Interface protocol ID. */ - uint8_t iInterface; /**< Index of the string descriptor describing the - * interface. - */ + 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. + */ + uint8_t bInterfaceNumber; /**< Index of the interface in the current configuration. */ + uint8_t bAlternateSetting; /**< Alternate setting for the interface number. The same + * interface number can have multiple alternate settings + * with different endpoint configurations, which can be + * selected by the host. + */ + uint8_t bNumEndpoints; /**< Total number of endpoints in the interface. */ + uint8_t bInterfaceClass; /**< Interface class ID. */ + uint8_t bInterfaceSubClass; /**< Interface subclass ID. */ + uint8_t bInterfaceProtocol; /**< Interface protocol ID. */ + uint8_t iInterface; /**< Index of the string descriptor describing the + * interface. + */ } USB_StdDescriptor_Interface_t; /** \brief Standard USB Interface Association Descriptor (LUFA naming conventions). @@ -471,16 +469,16 @@ { USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ - uint8_t FirstInterfaceIndex; /**< Index of the first associated interface. */ - uint8_t TotalInterfaces; /**< Total number of associated interfaces. */ + uint8_t FirstInterfaceIndex; /**< Index of the first associated interface. */ + uint8_t TotalInterfaces; /**< Total number of associated interfaces. */ - uint8_t Class; /**< Interface class ID. */ - uint8_t SubClass; /**< Interface subclass ID. */ - uint8_t Protocol; /**< Interface protocol ID. */ + uint8_t Class; /**< Interface class ID. */ + uint8_t SubClass; /**< Interface subclass ID. */ + uint8_t Protocol; /**< Interface protocol ID. */ - uint8_t IADStrIndex; /**< Index of the string descriptor describing the - * interface association. - */ + uint8_t IADStrIndex; /**< Index of the string descriptor describing the + * interface association. + */ } USB_Descriptor_Interface_Association_t; /** \brief Standard USB Interface Association Descriptor (USB-IF naming conventions). @@ -499,18 +497,18 @@ */ typedef struct { - 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. - */ - uint8_t bFirstInterface; /**< Index of the first associated interface. */ - uint8_t bInterfaceCount; /**< Total number of associated interfaces. */ - uint8_t bFunctionClass; /**< Interface class ID. */ - uint8_t bFunctionSubClass; /**< Interface subclass ID. */ - uint8_t bFunctionProtocol; /**< Interface protocol ID. */ - uint8_t iFunction; /**< Index of the string descriptor describing the - * interface association. - */ + 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. + */ + uint8_t bFirstInterface; /**< Index of the first associated interface. */ + uint8_t bInterfaceCount; /**< Total number of associated interfaces. */ + uint8_t bFunctionClass; /**< Interface class ID. */ + uint8_t bFunctionSubClass; /**< Interface subclass ID. */ + uint8_t bFunctionProtocol; /**< Interface protocol ID. */ + uint8_t iFunction; /**< Index of the string descriptor describing the + * interface association. + */ } USB_StdDescriptor_Interface_Association_t; /** \brief Standard USB Endpoint Descriptor (LUFA naming conventions). @@ -524,21 +522,18 @@ { USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ - uint8_t EndpointAddress; /**< Logical address of the endpoint within the device - * for the current configuration, including direction - * mask. - */ - uint8_t Attributes; /**< Endpoint attributes, comprised of a mask of the - * endpoint type (EP_TYPE_*) and attributes (ENDPOINT_ATTR_*) - * masks. - */ - uint16_t EndpointSize; /**< Size of the endpoint bank, in bytes. This indicates the - * maximum packet size that the endpoint can receive at a time. + uint8_t EndpointAddress; /**< Logical address of the endpoint within the device for the current + * configuration, including direction mask. */ - - uint8_t PollingIntervalMS; /**< Polling interval in milliseconds for the endpoint - * if it is an INTERRUPT or ISOCHRONOUS type. - */ + uint8_t Attributes; /**< Endpoint attributes, comprised of a mask of the endpoint type (EP_TYPE_*) + * and attributes (ENDPOINT_ATTR_*) masks. + */ + uint16_t EndpointSize; /**< Size of the endpoint bank, in bytes. This indicates the maximum packet + * size that the endpoint can receive at a time. + */ + uint8_t PollingIntervalMS; /**< Polling interval in milliseconds for the endpoint if it is an INTERRUPT + * or ISOCHRONOUS type. + */ } USB_Descriptor_Endpoint_t; /** \brief Standard USB Endpoint Descriptor (USB-IF naming conventions). @@ -551,24 +546,22 @@ */ typedef struct { - 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. - */ - uint8_t bEndpointAddress; /**< Logical address of the endpoint within the device - * for the current configuration, including direction - * mask. - */ - uint8_t bmAttributes; /**< Endpoint attributes, comprised of a mask of the - * endpoint type (EP_TYPE_*) and attributes (ENDPOINT_ATTR_*) - * masks. + 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 wMaxPacketSize; /**< Size of the endpoint bank, in bytes. This indicates the - * maximum packet size that the endpoint can receive at a time. - */ - uint8_t bInterval; /**< Polling interval in milliseconds for the endpoint - * if it is an INTERRUPT or ISOCHRONOUS type. + uint8_t bEndpointAddress; /**< Logical address of the endpoint within the device for the current + * configuration, including direction mask. + */ + uint8_t bmAttributes; /**< Endpoint attributes, comprised of a mask of the endpoint type (EP_TYPE_*) + * and attributes (ENDPOINT_ATTR_*) masks. */ + uint16_t wMaxPacketSize; /**< Size of the endpoint bank, in bytes. This indicates the maximum packet size + * that the endpoint can receive at a time. + */ + uint8_t bInterval; /**< Polling interval in milliseconds for the endpoint if it is an INTERRUPT or + * ISOCHRONOUS type. + */ } USB_StdDescriptor_Endpoint_t; /** \brief Standard USB String Descriptor (LUFA naming conventions). @@ -588,17 +581,17 @@ { USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ - wchar_t UnicodeString[]; /**< String data, as unicode characters (alternatively, - * string language IDs). If normal ASCII characters are - * to be used, they must be added as an array of characters - * rather than a normal C string so that they are widened to - * Unicode size. - * - * Under GCC, strings prefixed with the "L" character (before - * the opening string quotation mark) are considered to be - * Unicode strings, and may be used instead of an explicit - * array of ASCII characters. - */ + wchar_t UnicodeString[]; /**< String data, as unicode characters (alternatively, + * string language IDs). If normal ASCII characters are + * to be used, they must be added as an array of characters + * rather than a normal C string so that they are widened to + * Unicode size. + * + * Under GCC, strings prefixed with the "L" character (before + * the opening string quotation mark) are considered to be + * Unicode strings, and may be used instead of an explicit + * array of ASCII characters. + */ } USB_Descriptor_String_t; /** \brief Standard USB String Descriptor (USB-IF naming conventions). @@ -617,22 +610,19 @@ */ typedef struct { - 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. - */ - int16_t bString[]; /**< String data, as unicode characters (alternatively, - * string language IDs). If normal ASCII characters are - * to be used, they must be added as an array of characters - * rather than a normal C string so that they are widened to - * Unicode size. - * - * Under GCC, strings prefixed with the "L" character (before - * the opening string quotation mark) are considered to be - * Unicode strings, and may be used instead of an explicit - * array of ASCII characters. - */ + 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. + */ + int16_t bString[]; /**< String data, as unicode characters (alternatively, string language IDs). + * If normal ASCII characters are to be used, they must be added as an array + * of characters rather than a normal C string so that they are widened to + * Unicode size. + * + * Under GCC, strings prefixed with the "L" character (before the opening string + * quotation mark) are considered to be Unicode strings, and may be used instead + * of an explicit array of ASCII characters. + */ } USB_StdDescriptor_String_t; /* Private Interface - For use in library only: */ |