/*************************************************************************** * 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); }