/*************************************************************************** * 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 */ /** */ /** HID Class */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #include "ux_host_class_hid.h" #include "ux_host_stack.h" #if defined(UX_HOST_STANDALONE) static inline VOID _ux_host_class_hid_inst_tasks_run(UX_HOST_CLASS_HID *hid); /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_host_class_hid_tasks_run PORTABLE C */ /* 6.1.10 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function runs HID background tasks. */ /* */ /* This function is for standalone mode. */ /* */ /* INPUT */ /* */ /* hid Pointer to hid instance */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* (ux_host_class_hid_client_function) Client task function */ /* */ /* CALLED BY */ /* */ /* USBX Host Stack */ /* */ /**************************************************************************/ UINT _ux_host_class_hid_tasks_run(UX_HOST_CLASS *hid_class) { UX_HOST_CLASS_HID *hid; /* Validate class entry. */ if (hid_class -> ux_host_class_status != UX_USED || hid_class -> ux_host_class_entry_function != _ux_host_class_hid_entry) return(UX_STATE_IDLE); /* Run for class instances. */ hid = (UX_HOST_CLASS_HID *)hid_class -> ux_host_class_first_instance; while(hid) { /* Run tasks for each hid instance. */ if ((hid -> ux_host_class_hid_flags & UX_HOST_CLASS_HID_FLAG_PROTECT) == 0) { hid -> ux_host_class_hid_flags |= UX_HOST_CLASS_HID_FLAG_PROTECT; _ux_host_class_hid_inst_tasks_run(hid); hid -> ux_host_class_hid_flags &= ~UX_HOST_CLASS_HID_FLAG_PROTECT; } hid = hid -> ux_host_class_hid_next_instance; } return(UX_STATE_WAIT); } static inline VOID _ux_host_class_hid_inst_tasks_run(UX_HOST_CLASS_HID *hid) { UX_HOST_CLASS_HID_CLIENT *client = hid -> ux_host_class_hid_client; if (client && client -> ux_host_class_hid_client_function) { client -> ux_host_class_hid_client_function(client); } } #endif