1 /*************************************************************************** 2 * Copyright (c) 2024 Microsoft Corporation 3 * 4 * This program and the accompanying materials are made available under the 5 * terms of the MIT License which is available at 6 * https://opensource.org/licenses/MIT. 7 * 8 * SPDX-License-Identifier: MIT 9 **************************************************************************/ 10 11 12 /**************************************************************************/ 13 /**************************************************************************/ 14 /** */ 15 /** USBX Component */ 16 /** */ 17 /** Slave Simulator Controller Driver */ 18 /** */ 19 /**************************************************************************/ 20 /**************************************************************************/ 21 22 #define UX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "ux_api.h" 28 #include "ux_dcd_sim_slave.h" 29 30 31 /**************************************************************************/ 32 /* */ 33 /* FUNCTION RELEASE */ 34 /* */ 35 /* _ux_dcd_sim_slave_transfer_abort PORTABLE C */ 36 /* 6.1.10 */ 37 /* AUTHOR */ 38 /* */ 39 /* Chaoqiong Xiao, Microsoft Corporation */ 40 /* */ 41 /* DESCRIPTION */ 42 /* */ 43 /* This function will terminate a transfer. */ 44 /* */ 45 /* INPUT */ 46 /* */ 47 /* dcd_sim_slave Pointer to device controller */ 48 /* transfer_request Pointer to transfer request */ 49 /* */ 50 /* OUTPUT */ 51 /* */ 52 /* Completion Status */ 53 /* */ 54 /* CALLS */ 55 /* */ 56 /* None */ 57 /* */ 58 /* CALLED BY */ 59 /* */ 60 /* Slave Simulator Controller Driver */ 61 /* */ 62 /* RELEASE HISTORY */ 63 /* */ 64 /* DATE NAME DESCRIPTION */ 65 /* */ 66 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ 67 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ 68 /* resulting in version 6.1 */ 69 /* 01-31-2022 Chaoqiong Xiao Modified comment(s), */ 70 /* added standalone support, */ 71 /* resulting in version 6.1.10 */ 72 /* */ 73 /**************************************************************************/ _ux_dcd_sim_slave_transfer_abort(UX_DCD_SIM_SLAVE * dcd_sim_slave,UX_SLAVE_TRANSFER * transfer_request)74UINT _ux_dcd_sim_slave_transfer_abort(UX_DCD_SIM_SLAVE *dcd_sim_slave, UX_SLAVE_TRANSFER *transfer_request) 75 { 76 77 UX_DCD_SIM_SLAVE_ED *ed; 78 UX_SLAVE_ENDPOINT *endpoint; 79 80 UX_PARAMETER_NOT_USED(dcd_sim_slave); 81 82 /* Get the pointer to the logical endpoint from the transfer request. */ 83 endpoint = transfer_request -> ux_slave_transfer_request_endpoint; 84 85 /* Keep the physical endpoint address in the endpoint container. */ 86 ed = (UX_DCD_SIM_SLAVE_ED *) endpoint -> ux_slave_endpoint_ed; 87 88 /* Turn off the transfer bit. */ 89 ed -> ux_sim_slave_ed_status &= ~(ULONG) 90 (UX_DCD_SIM_SLAVE_ED_STATUS_TRANSFER | UX_DCD_SIM_SLAVE_ED_STATUS_DONE); 91 92 /* This function never fails. */ 93 return(UX_SUCCESS); 94 } 95 96
