/*************************************************************************** * 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 */ /** */ /** EHCI Controller Driver */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #include "ux_hcd_ehci.h" #include "ux_host_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_hcd_ehci_transfer_request_process PORTABLE C */ /* 6.1.10 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function process the transfer that was completed either */ /* successfully because of a partial transmission or because of an */ /* error. The transfer descriptor tells us what to do with it, either */ /* put a semaphore to the caller or invoke a completion routine. If a */ /* completion routine is specified, the routine is called and no */ /* semaphore is put. */ /* */ /* INPUT */ /* */ /* transfer_request Pointer to transfer request */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* (ux_transfer_request_completion_function) Transfer complete function*/ /* _ux_host_semaphore_put Put producer semaphore */ /* */ /* CALLED BY */ /* */ /* EHCI Controller Driver */ /* */ /**************************************************************************/ VOID _ux_hcd_ehci_transfer_request_process(UX_TRANSFER *transfer_request) { /* Check if there is a function for the transfer completion. */ if (transfer_request -> ux_transfer_request_completion_function != UX_NULL) /* Yes, so we call it. */ transfer_request -> ux_transfer_request_completion_function(transfer_request); else /* There is a semaphore so send the signal to the class. */ _ux_host_semaphore_put(&transfer_request -> ux_transfer_request_semaphore); /* Return to caller. */ return; }