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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2026-present Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** Device HID Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_hid.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_hid_deactivate PORTABLE C */
/* 6.1.12 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function deactivate an instance of the hid class. */
/* */
/* INPUT */
/* */
/* command Pointer to a class command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_device_stack_transfer_all_request_abort Abort all transfers */
/* */
/* CALLED BY */
/* */
/* HID Class */
/* */
/**************************************************************************/
UINT _ux_device_class_hid_deactivate(UX_SLAVE_CLASS_COMMAND *command)
{
UX_SLAVE_CLASS_HID *hid;
UX_SLAVE_CLASS *class_ptr;
UX_SLAVE_ENDPOINT *endpoint;
/* Get the class container. */
class_ptr = command -> ux_slave_class_command_class_ptr;
/* Get the class instance in the container. */
hid = (UX_SLAVE_CLASS_HID *) class_ptr -> ux_slave_class_instance;
/* Locate the hid interrupt in endpoint. */
endpoint = hid -> ux_device_class_hid_interrupt_endpoint;
/* Terminate the transactions pending on the endpoint. */
if (endpoint)
_ux_device_stack_transfer_all_request_abort(endpoint, UX_TRANSFER_BUS_RESET);
#if defined(UX_DEVICE_CLASS_HID_INTERRUPT_OUT_SUPPORT)
/* Locate the hid interrupt out endpoint. */
endpoint = hid -> ux_device_class_hid_read_endpoint;
/* Terminate the transactions pending on the endpoint. */
if (endpoint)
_ux_device_stack_transfer_all_request_abort(endpoint, UX_TRANSFER_BUS_RESET);
#endif
/* If there is a deactivate function call it. */
if (hid -> ux_slave_class_hid_instance_deactivate != UX_NULL)
{
/* Invoke the application. */
hid -> ux_slave_class_hid_instance_deactivate(hid);
}
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_HID_DEACTIVATE, hid, 0, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
/* If trace is enabled, register this object. */
UX_TRACE_OBJECT_UNREGISTER(hid);
/* Return completion status. */
return(UX_SUCCESS);
}
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