/*************************************************************************** * 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 */ /** */ /** OHCI Controller Driver */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #include "ux_hcd_ohci.h" #include "ux_host_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_hcd_ohci_frame_number_set PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function will set the current frame number to the one */ /* specified. This function is mostly used for isochronous purposes. */ /* Here we need to write to the host controller which in turn will */ /* update the HCCA at the end of the frame. */ /* */ /* INPUT */ /* */ /* hcd_ohci Pointer to OHCI controller */ /* frame_number Frame number to set */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* _ux_hcd_ohci_register_write Write OHCI register */ /* */ /* CALLED BY */ /* */ /* OHCI Controller Driver */ /* */ /**************************************************************************/ VOID _ux_hcd_ohci_frame_number_set(UX_HCD_OHCI *hcd_ohci, ULONG frame_number) { /* Write to OHCI register. */ _ux_hcd_ohci_register_write(hcd_ohci, OHCI_HC_FM_NUMBER, frame_number & 0xffff); return; }