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SourceVuRaspberry Pi Pico SDK and ExamplesTinyUSB Librarytusb_desc_interface_t::bInterfaceProtocol

tusb_desc_interface_t::bInterfaceProtocol field

Syntax

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Summary

Declaration

from tusb_types.h:336

uint8_t bInterfaceProtocol;

Examples

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

References

from 0/1 examples

Code

Location

Referrer

uint8_t bInterfaceProtocol ; ///< Protocol code (assigned by the USB). \n These codes are qualified by the value of the bInterfaceClass and the bInterfaceSubClass fields. If an interface supports class-specific requests, this code identifies the protocols that the device uses as defined by the specification of the device class. \li If this field is reset to zero, the device does not use a class-specific protocol on this interface. \li If this field is set to FFH, the device uses a vendor-specific protocol for this interface.

tusb_types.h:336

p_cdc->bInterfaceProtocol = itf_desc->bInterfaceProtocol;

desc->bInterfaceProtocol = p_cdc->bInterfaceProtocol;

tuh_cdc_itf_get_info()

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

p_hid->itf_protocol = desc_itf->bInterfaceProtocol;

hid_device.c:239

desc->bInterfaceProtocol = p_hid->itf_protocol;

tuh_hid_itf_get_info()

p_hid->itf_protocol = desc_itf->bInterfaceProtocol;

TU_VERIFY(itf_desc->bInterfaceProtocol <= 1);

MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol);

Call Tree

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Data Use

from 0/1 examples

tusb_desc_interface_t::bInterfaceProtocol is written by 2 functions and is read by 7 functions:

tuh_cdc_itf_get_info()

tuh_hid_itf_get_info()

tusb_desc_interface_t::bInterfaceProtocol

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Lifecycle

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