1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** USBX Component */ 17 /** */ 18 /** Slave Simulator Controller Driver */ 19 /** */ 20 /**************************************************************************/ 21 /**************************************************************************/ 22 23 #define UX_SOURCE_CODE 24 25 26 /* Include necessary system files. */ 27 28 #include "ux_api.h" 29 #include "ux_dcd_sim_slave.h" 30 31 32 /**************************************************************************/ 33 /* */ 34 /* FUNCTION RELEASE */ 35 /* */ 36 /* _ux_dcd_sim_slave_transfer_abort PORTABLE C */ 37 /* 6.1.10 */ 38 /* AUTHOR */ 39 /* */ 40 /* Chaoqiong Xiao, Microsoft Corporation */ 41 /* */ 42 /* DESCRIPTION */ 43 /* */ 44 /* This function will terminate a transfer. */ 45 /* */ 46 /* INPUT */ 47 /* */ 48 /* dcd_sim_slave Pointer to device controller */ 49 /* transfer_request Pointer to transfer request */ 50 /* */ 51 /* OUTPUT */ 52 /* */ 53 /* Completion Status */ 54 /* */ 55 /* CALLS */ 56 /* */ 57 /* None */ 58 /* */ 59 /* CALLED BY */ 60 /* */ 61 /* Slave Simulator Controller Driver */ 62 /* */ 63 /* RELEASE HISTORY */ 64 /* */ 65 /* DATE NAME DESCRIPTION */ 66 /* */ 67 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ 68 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ 69 /* resulting in version 6.1 */ 70 /* 01-31-2022 Chaoqiong Xiao Modified comment(s), */ 71 /* added standalone support, */ 72 /* resulting in version 6.1.10 */ 73 /* */ 74 /**************************************************************************/ _ux_dcd_sim_slave_transfer_abort(UX_DCD_SIM_SLAVE * dcd_sim_slave,UX_SLAVE_TRANSFER * transfer_request)75UINT _ux_dcd_sim_slave_transfer_abort(UX_DCD_SIM_SLAVE *dcd_sim_slave, UX_SLAVE_TRANSFER *transfer_request) 76 { 77 78 UX_DCD_SIM_SLAVE_ED *ed; 79 UX_SLAVE_ENDPOINT *endpoint; 80 81 UX_PARAMETER_NOT_USED(dcd_sim_slave); 82 83 /* Get the pointer to the logical endpoint from the transfer request. */ 84 endpoint = transfer_request -> ux_slave_transfer_request_endpoint; 85 86 /* Keep the physical endpoint address in the endpoint container. */ 87 ed = (UX_DCD_SIM_SLAVE_ED *) endpoint -> ux_slave_endpoint_ed; 88 89 /* Turn off the transfer bit. */ 90 ed -> ux_sim_slave_ed_status &= ~(ULONG) 91 (UX_DCD_SIM_SLAVE_ED_STATUS_TRANSFER | UX_DCD_SIM_SLAVE_ED_STATUS_DONE); 92 93 /* This function never fails. */ 94 return(UX_SUCCESS); 95 } 96 97
