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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** USBX Component */ |
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/** */ |
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/** Host Stack */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/* Include necessary system files. */ |
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#define UX_SOURCE_CODE |
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#include "ux_api.h" |
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#include "ux_host_stack.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _ux_host_stack_interface_instance_create PORTABLE C */ |
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/* 6.1.12 */ |
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/* AUTHOR */ |
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/* */ |
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/* Chaoqiong Xiao, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function will create an interface instance. It creates each */ |
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/* endpoint associated with the interface. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* interface Pointer to interface */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* Completion Status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _ux_host_stack_endpoint_instance_create Create instance endpoint */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* USBX Components */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ |
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/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* 07-29-2022 Chaoqiong Xiao Modified comment(s), */ |
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/* fixed parameter/variable */ |
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/* names conflict C++ keyword, */ |
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/* resulting in version 6.1.12 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _ux_host_stack_interface_instance_create(UX_INTERFACE *interface_ptr) |
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{ |
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UX_ENDPOINT *endpoint; |
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UINT status; |
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/* If trace is enabled, insert this event into the trace buffer. */ |
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UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_STACK_INTERFACE_INSTANCE_CREATE, interface_ptr, 0, 0, 0, UX_TRACE_HOST_STACK_EVENTS, 0, 0) |
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/* Obtain the first endpoint for this alternate setting. */ |
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endpoint = interface_ptr -> ux_interface_first_endpoint; |
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/* Loop to create each endpoint. */ |
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✓✓ |
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while (endpoint != UX_NULL) |
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{ |
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/* Create an endpoint for the instance. */ |
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status = _ux_host_stack_endpoint_instance_create(endpoint); |
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/* Check status, the controller may have refused the endpoint creation. */ |
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✓✓ |
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if (status != UX_SUCCESS) |
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/* An error occurred at the controller level. */ |
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return(status); |
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/* Move to next endpoint. */ |
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endpoint = endpoint -> ux_endpoint_next_endpoint; |
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} |
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/* If trace is enabled, register this object. */ |
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UX_TRACE_OBJECT_REGISTER(UX_TRACE_HOST_OBJECT_TYPE_INTERFACE, interface_ptr, 0, 0, 0); |
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/* Return completion status. */ |
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return(UX_SUCCESS); |
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} |
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