4 * \brief Common API for USB Device Interface
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51 #include "usb_protocol.h"
60 * \defgroup udc_desc_group USB Device Descriptor
66 * \brief Defines the memory's location of USB descriptors
68 * By default the Descriptor is stored in RAM
69 * (UDC_DESC_STORAGE is defined empty).
71 * If you have need to free RAM space,
72 * it is possible to put descriptor in flash in following case:
73 * - USB driver authorize flash transfer (USBB on UC3 and USB on Mega)
74 * - USB Device is not high speed (UDC no need to change USB descriptors)
76 * For UC3 application used "const".
78 * For Mega application used "code".
80 #define UDC_DESC_STORAGE
81 // Descriptor storage in internal RAM
82 #if (defined UDC_DATA_USE_HRAM_SUPPORT)
84 #define UDC_DATA(x) COMPILER_WORD_ALIGNED __attribute__((__section__(".data_hram0")))
85 #define UDC_BSS(x) COMPILER_ALIGNED(x) __attribute__((__section__(".bss_hram0")))
86 #elif defined(__ICCAVR32__)
87 #define UDC_DATA(x) COMPILER_ALIGNED(x) __data32
88 #define UDC_BSS(x) COMPILER_ALIGNED(x) __data32
91 #define UDC_DATA(x) COMPILER_ALIGNED(x)
92 #define UDC_BSS(x) COMPILER_ALIGNED(x)
98 * \brief Configuration descriptor and UDI link for one USB speed
101 //! USB configuration descriptor
102 usb_conf_desc_t UDC_DESC_STORAGE *desc;
103 //! Array of UDI API pointer
104 udi_api_t UDC_DESC_STORAGE *UDC_DESC_STORAGE * udi_apis;
105 } udc_config_speed_t;
109 * \brief All information about the USB Device
112 //! USB device descriptor for low or full speed
113 usb_dev_desc_t UDC_DESC_STORAGE *confdev_lsfs;
114 //! USB configuration descriptor and UDI API pointers for low or full speed
115 udc_config_speed_t UDC_DESC_STORAGE *conf_lsfs;
116 #ifdef USB_DEVICE_HS_SUPPORT
117 //! USB device descriptor for high speed
118 usb_dev_desc_t UDC_DESC_STORAGE *confdev_hs;
119 //! USB device qualifier, only use in high speed mode
120 usb_dev_qual_desc_t UDC_DESC_STORAGE *qualifier;
121 //! USB configuration descriptor and UDI API pointers for high speed
122 udc_config_speed_t UDC_DESC_STORAGE *conf_hs;
124 usb_dev_bos_desc_t UDC_DESC_STORAGE *conf_bos;
127 //! Global variables of USB Device Descriptor and UDI links
128 extern UDC_DESC_STORAGE udc_config_t udc_config;
135 #endif // _UDC_DESC_H_