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SourceVuRaspberry Pi Pico SDK and ExamplesTinyUSB Librarytusb_desc_interface_t::bInterfaceSubClass

tusb_desc_interface_t::bInterfaceSubClass field

Syntax

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Summary

Declaration

from tusb_types.h:335

uint8_t bInterfaceSubClass;

Examples

tusb_desc_interface_t::bInterfaceSubClass is referenced by 1 libraries and example projects:

References

from 0/1 examples

Code

Location

Referrer

uint8_t bInterfaceSubClass ; ///< Subclass code (assigned by the USB-IF). \n These codes are qualified by the value of the bInterfaceClass field. \li If the bInterfaceClass field is reset to zero, this field must also be reset to zero. \li If the bInterfaceClass field is not set to FFH, all values are reserved for assignment by the USB-IF.

tusb_types.h:335

CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass, 0);

cdc_device.c:298

p_cdc->bInterfaceSubClass = itf_desc->bInterfaceSubClass;

desc->bInterfaceSubClass = p_cdc->bInterfaceSubClass;

tuh_cdc_itf_get_info()

CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass) {

TU_VERIFY(itf_desc->bInterfaceSubClass == 0xff && itf_desc->bInterfaceProtocol == 0xff && itf_desc->bNumEndpoints == 2);

TU_VERIFY(itf_desc->bInterfaceSubClass == 0 && itf_desc->bInterfaceProtocol == 0 && itf_desc->bNumEndpoints == 2);

cdc_host.c:1162

if (desc_itf->bInterfaceSubClass == HID_SUBCLASS_BOOT) {

hid_device.c:238

desc->bInterfaceSubClass = (p_hid->itf_protocol ? HID_SUBCLASS_BOOT : HID_SUBCLASS_NONE);

tuh_hid_itf_get_info()

if (HID_SUBCLASS_BOOT == desc_itf->bInterfaceSubClass) {

0 == itf_desc->bInterfaceSubClass);

TU_VERIFY (MSC_SUBCLASS_SCSI == desc_itf->bInterfaceSubClass &&

CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == desc_itf->bInterfaceSubClass) {

_parse_configuration_descriptor()

Call Tree

from 0/1 examples

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Data Use

from 0/1 examples

tusb_desc_interface_t::bInterfaceSubClass is written by 2 functions and is read by 10 functions:

tuh_cdc_itf_get_info()

tuh_hid_itf_get_info()

tusb_desc_interface_t::bInterfaceSubClass

_parse_configuration_descriptor()

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