/*************************************************************************** * 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 Keyboard Client */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #include "ux_host_class_hid.h" #include "ux_host_class_hid_keyboard.h" #include "ux_host_stack.h" extern UX_HOST_CLASS_HID_KEYBOARD_LAYOUT ux_host_class_hid_keyboard_layout; /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_host_class_hid_keyboard_ioctl PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function is the ioctl entry point for the application to */ /* configure the HID keyboard device. */ /* */ /* INPUT */ /* */ /* keyboard_instance Pointer to hid keyboard */ /* ioctl_function ioctl function */ /* parameter pointer to parameter/structure */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* */ /* */ /* CALLED BY */ /* */ /* HID Keyboard Client */ /* */ /**************************************************************************/ UINT _ux_host_class_hid_keyboard_ioctl(UX_HOST_CLASS_HID_KEYBOARD *keyboard_instance, ULONG ioctl_function, VOID *parameter) { UINT status = UX_SUCCESS; switch(ioctl_function) { case UX_HID_KEYBOARD_IOCTL_SET_LAYOUT: /* Change the keyboard layout setting. */ keyboard_instance -> ux_host_class_hid_keyboard_layout = (parameter == UX_NULL) ? &ux_host_class_hid_keyboard_layout : (UX_HOST_CLASS_HID_KEYBOARD_LAYOUT *) parameter; break; case UX_HID_KEYBOARD_IOCTL_DISABLE_KEYS_DECODE: /* Disable the keys decode setting. */ keyboard_instance -> ux_host_class_hid_keyboard_keys_decode_disable = UX_TRUE; break; case UX_HID_KEYBOARD_IOCTL_ENABLE_KEYS_DECODE: /* Enable the keys decode setting. */ keyboard_instance -> ux_host_class_hid_keyboard_keys_decode_disable = UX_FALSE; break; default: /* Error trap. */ _ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_CLASS, UX_FUNCTION_NOT_SUPPORTED); /* If trace is enabled, insert this event into the trace buffer. */ UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_FUNCTION_NOT_SUPPORTED, 0, 0, 0, UX_TRACE_ERRORS, 0, 0) /* Function not supported. Return an error. */ status = UX_FUNCTION_NOT_SUPPORTED; } /* Return status to caller. */ return(status); } /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _uxe_host_class_hid_keyboard_ioctl PORTABLE C */ /* 6.3.0 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks errors in HID keyboard ioctl function call. */ /* */ /* INPUT */ /* */ /* keyboard_instance Pointer to hid keyboard */ /* ioctl_function IOCTL function */ /* parameter Pointer to parameter/structure */ /* */ /* OUTPUT */ /* */ /* Status */ /* */ /* CALLS */ /* */ /* _ux_host_class_hid_keyboard_ioctl IOCTL function */ /* */ /* CALLED BY */ /* */ /* Application */ /* */ /**************************************************************************/ UINT _uxe_host_class_hid_keyboard_ioctl(UX_HOST_CLASS_HID_KEYBOARD *keyboard_instance, ULONG ioctl_function, VOID *parameter) { /* Sanity checks. */ if (keyboard_instance == UX_NULL) return(UX_INVALID_PARAMETER); /* Invoke report ID get function. */ return(_ux_host_class_hid_keyboard_ioctl(keyboard_instance, ioctl_function, parameter)); }