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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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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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/** USBX Component */ |
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/** */ |
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/** Device CDC Class */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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#define UX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "ux_api.h" |
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#include "ux_device_class_cdc_acm.h" |
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#include "ux_device_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_device_class_cdc_acm_activate 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 initializes the USB CDC device. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* command Pointer to cdc_acm command */ |
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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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/* None */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* USBX Source Code */ |
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/* */ |
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/**************************************************************************/ |
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UINT _ux_device_class_cdc_acm_activate(UX_SLAVE_CLASS_COMMAND *command) |
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{ |
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UX_SLAVE_INTERFACE *interface_ptr; |
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UX_SLAVE_CLASS *class_ptr; |
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UX_SLAVE_CLASS_CDC_ACM *cdc_acm; |
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/* Get the class container. */ |
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class_ptr = command -> ux_slave_class_command_class_ptr; |
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/* Get the class instance in the container. */ |
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cdc_acm = (UX_SLAVE_CLASS_CDC_ACM *) class_ptr -> ux_slave_class_instance; |
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/* Get the interface that owns this instance. */ |
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interface_ptr = (UX_SLAVE_INTERFACE *) command -> ux_slave_class_command_interface; |
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/* Store the class instance into the interface. */ |
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interface_ptr -> ux_slave_interface_class_instance = (VOID *)cdc_acm; |
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/* Now the opposite, store the interface in the class instance. */ |
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cdc_acm -> ux_slave_class_cdc_acm_interface = interface_ptr; |
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/* If there is a activate function call it. */ |
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✓✓ |
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if (cdc_acm -> ux_slave_class_cdc_acm_parameter.ux_slave_class_cdc_acm_instance_activate != UX_NULL) |
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{ |
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/* Invoke the application. */ |
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cdc_acm -> ux_slave_class_cdc_acm_parameter.ux_slave_class_cdc_acm_instance_activate(cdc_acm); |
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} |
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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_DEVICE_CLASS_CDC_ACM_ACTIVATE, cdc_acm, 0, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0) |
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/* If trace is enabled, register this object. */ |
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UX_TRACE_OBJECT_REGISTER(UX_TRACE_DEVICE_OBJECT_TYPE_INTERFACE, cdc_acm, 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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