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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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/** */ |
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/** USBX Component */ |
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/** */ |
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/** HID Class */ |
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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_class_hid.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_class_hid_item_data_get PORTABLE C */ |
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/* 6.1 */ |
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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 returns a data from the descriptor based on its size, */ |
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/* format and whether it is signed or not. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* descriptor Pointer to descriptor */ |
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/* item Pointer to item */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* ULONG data value */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _ux_utility_short_get Get 16-bit value */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* HID Class */ |
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/* */ |
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/**************************************************************************/ |
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ULONG _ux_host_class_hid_item_data_get(UCHAR *descriptor, UX_HOST_CLASS_HID_ITEM *item) |
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{ |
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ULONG value; |
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/* Get the length of the item. */ |
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✓✓✓✓
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switch (item -> ux_host_class_hid_item_report_length) |
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{ |
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case 1: |
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value = (ULONG) *descriptor; |
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break; |
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case 2: |
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value = (ULONG) _ux_utility_short_get(descriptor); |
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break; |
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case 4: |
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value = (ULONG) _ux_utility_long_get(descriptor); |
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break; |
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default: |
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return(0); |
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} |
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/* Return the value. */ |
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return(value); |
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} |
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