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 /** Host 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_hcd_sim_host.h"
29
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _ux_hcd_sim_host_controller_disable PORTABLE C */
36 /* 6.1.2 */
37 /* AUTHOR */
38 /* */
39 /* Chaoqiong Xiao, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function will disable the simulated host controller. */
44 /* The controller will release all its resources (memory, IO ...). */
45 /* After this, the controller will not send SOF any longer. */
46 /* */
47 /* INPUT */
48 /* */
49 /* hcd_sim_host Pointer to host controller */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* Completion Status */
54 /* */
55 /* CALLS */
56 /* */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* Host Simulator Controller Driver */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 09-30-2020 Chaoqiong Xiao Initial Version 6.1 */
67 /* 11-09-2020 Chaoqiong Xiao Modified comment(s), */
68 /* did controller halt only, */
69 /* resulting in version 6.1.2 */
70 /* */
71 /**************************************************************************/
_ux_hcd_sim_host_controller_disable(UX_HCD_SIM_HOST * hcd_sim_host)72 UINT _ux_hcd_sim_host_controller_disable(UX_HCD_SIM_HOST *hcd_sim_host)
73 {
74
75 UX_HCD *hcd = hcd_sim_host -> ux_hcd_sim_host_hcd_owner;
76
77
78 /* Set the state of the controller to HALTED. */
79 hcd -> ux_hcd_status = UX_HCD_STATUS_HALTED;
80
81 /* Return successful completion. */
82 return(UX_SUCCESS);
83 }
84