Descriptors for a USB Device

composite

Data Structures
struct	udc_desc_t
	Structure for USB Device Configuration Descriptor. More...

Variables
COMPILER_WORD_ALIGNED UDC_DESC_STORAGE udc_desc_t	udc_desc_fs
	USB Device Configuration Descriptor filled for FS. More...
COMPILER_WORD_ALIGNED UDC_DESC_STORAGE udc_desc_t	udc_desc_hs
	USB Device Configuration Descriptor filled for HS. More...
COMPILER_WORD_ALIGNED UDC_DESC_STORAGE usb_dev_desc_t	udc_device_desc
	INDENT-OFF. More...
COMPILER_WORD_ALIGNED UDC_DESC_STORAGE usb_dev_qual_desc_t	udc_device_qual
	USB Device Qualifier Descriptor for HS. More...

UDC structures which contains all USB Device definitions
UDC_DESC_STORAGE udi_api_t *	udi_apis [USB_DEVICE_NB_INTERFACE]
	Associate an UDI for each USB interface. More...
UDC_DESC_STORAGE udc_config_speed_t	udc_config_lsfs [1]
	Add UDI with USB Descriptors FS. More...
UDC_DESC_STORAGE udc_config_speed_t	udc_config_hs [1]
	Add UDI with USB Descriptors HS. More...
UDC_DESC_STORAGE udc_config_t	udc_config
	Add all information about USB Device in global structure for UDC. More...

UDC_DESC_STORAGE udc_config_t udc_config

Initial value:

= {
    .confdev_lsfs = &udc_device_desc,
    .conf_lsfs = udc_config_lsfs,

    .confdev_hs = &udc_device_desc,
    .qualifier = &udc_device_qual,
    .conf_hs = udc_config_hs,

}

Add all information about USB Device in global structure for UDC.

Global variables of USB Device Descriptor and UDI links.

Referenced by udc_req_std_dev_get_descriptor(), and udc_req_std_dev_set_configuration().

UDC_DESC_STORAGE udc_config_speed_t udc_config_hs[1]

Initial value:

= {{
    .desc          = (usb_conf_desc_t UDC_DESC_STORAGE*)&udc_desc_hs,
    .udi_apis      = udi_apis,
}}

Add UDI with USB Descriptors HS.

UDC_DESC_STORAGE udc_config_speed_t udc_config_lsfs[1]

Initial value:

= {{
    .desc          = (usb_conf_desc_t UDC_DESC_STORAGE*)&udc_desc_fs,
    .udi_apis      = udi_apis,
}}

Add UDI with USB Descriptors FS.

COMPILER_WORD_ALIGNED UDC_DESC_STORAGE udc_desc_t udc_desc_fs

Initial value:

= {
    .conf.bLength              = sizeof(usb_conf_desc_t),
    .conf.bDescriptorType      = USB_DT_CONFIGURATION,
    .conf.wTotalLength         = LE16(sizeof(udc_desc_t)),
    .conf.bNumInterfaces       = USB_DEVICE_NB_INTERFACE,
    .conf.bConfigurationValue  = 1,
    .conf.iConfiguration       = 0,
    .conf.bmAttributes         = USB_CONFIG_ATTR_MUST_SET | USB_DEVICE_ATTR,
    .conf.bMaxPower            = USB_CONFIG_MAX_POWER(USB_DEVICE_POWER),
    UDI_COMPOSITE_DESC_FS
}

USB Device Configuration Descriptor filled for FS.

COMPILER_WORD_ALIGNED UDC_DESC_STORAGE udc_desc_t udc_desc_hs

Initial value:

= {
    .conf.bLength              = sizeof(usb_conf_desc_t),
    .conf.bDescriptorType      = USB_DT_CONFIGURATION,
    .conf.wTotalLength         = LE16(sizeof(udc_desc_t)),
    .conf.bNumInterfaces       = USB_DEVICE_NB_INTERFACE,
    .conf.bConfigurationValue  = 1,
    .conf.iConfiguration       = 0,
    .conf.bmAttributes         = USB_CONFIG_ATTR_MUST_SET | USB_DEVICE_ATTR,
    .conf.bMaxPower            = USB_CONFIG_MAX_POWER(USB_DEVICE_POWER),
    UDI_COMPOSITE_DESC_HS
}

USB Device Configuration Descriptor filled for HS.

COMPILER_WORD_ALIGNED UDC_DESC_STORAGE usb_dev_desc_t udc_device_desc

Initial value:

= {
    .bLength                   = sizeof(usb_dev_desc_t),
    .bDescriptorType           = USB_DT_DEVICE,
    .bcdUSB                    = LE16(USB_V2_0),
    .bDeviceClass              = 0,
    .bDeviceSubClass           = 0,
    .bDeviceProtocol           = 0,
    .bMaxPacketSize0           = USB_DEVICE_EP_CTRL_SIZE,
    .idVendor                  = LE16(USB_DEVICE_VENDOR_ID),
    .idProduct                 = LE16(USB_DEVICE_PRODUCT_ID),
    .bcdDevice                 = LE16((USB_DEVICE_MAJOR_VERSION << 8)
        | USB_DEVICE_MINOR_VERSION),

    .iManufacturer             = 1,




    .iProduct                  = 2,




    .iSerialNumber             = 3,



    .bNumConfigurations        = 1
}

INDENT-OFF.

USB Device Descriptor

COMPILER_WORD_ALIGNED UDC_DESC_STORAGE usb_dev_qual_desc_t udc_device_qual

Initial value:

= {
    .bLength                   = sizeof(usb_dev_qual_desc_t),
    .bDescriptorType           = USB_DT_DEVICE_QUALIFIER,
    .bcdUSB                    = LE16(USB_V2_0),
    .bDeviceClass              = 0,
    .bDeviceSubClass           = 0,
    .bDeviceProtocol           = 0,
    .bMaxPacketSize0           = USB_DEVICE_EP_CTRL_SIZE,
    .bNumConfigurations        = 1
}

USB Device Qualifier Descriptor for HS.

UDC_DESC_STORAGE udi_api_t* udi_apis[USB_DEVICE_NB_INTERFACE]

Initial value:

= {
    UDI_COMPOSITE_API
}

Associate an UDI for each USB interface.