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 /** Pictbridge Application */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22
23 /* Include necessary system files. */
24
25 #define UX_SOURCE_CODE
26
27 #include "ux_api.h"
28 #include "ux_pictbridge.h"
29 #include "ux_device_class_pima.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _ux_pictbridge_dpsclient_api_capability PORTABLE C */
37 /* 6.1.12 */
38 /* AUTHOR */
39 /* */
40 /* Chaoqiong Xiao, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function creates the tag lines of the configure_print_service */
45 /* request and then output the request to the printer. */
46 /* */
47 /* INPUT */
48 /* */
49 /* pictbridge Pictbridge instance */
50 /* capability_code What capability to get */
51 /* capability_parameter Optional parameter */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* Completion Status */
56 /* */
57 /* CALLS */
58 /* */
59 /* _ux_utility_delay_ms Delay ms */
60 /* _ux_pictbridge_dps_client_input_object_prepare */
61 /* _ux_system_event_flags_get */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* _ux_pictbridge_dpshost_object_get */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
72 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
73 /* used UX prefix to refer to */
74 /* TX symbols instead of using */
75 /* them directly, */
76 /* resulting in version 6.1 */
77 /* 07-29-2022 Chaoqiong Xiao Modified comment(s), */
78 /* used macros for RTOS calls, */
79 /* resulting in version 6.1.12 */
80 /* */
81 /**************************************************************************/
_ux_pictbridge_dpsclient_api_capability(UX_PICTBRIDGE * pictbridge,ULONG capability_code,ULONG capability_parameter)82 UINT _ux_pictbridge_dpsclient_api_capability(UX_PICTBRIDGE *pictbridge, ULONG capability_code,
83 ULONG capability_parameter)
84 {
85 UINT status;
86 ULONG actual_flags;
87
88 /* Wait for 100 ms to give a chance to the host to send a request before the client can post a Object Added event. */
89 _ux_utility_delay_ms(100);
90
91 /* Prepare the object for capability. */
92 status = _ux_pictbridge_dpsclient_input_object_prepare(pictbridge, UX_PICTBRIDGE_OR_GET_CAPABILITY,
93 capability_code, capability_parameter);
94
95 /* Check status. */
96 if (status != UX_SUCCESS)
97 return(status);
98
99 /* We should wait for the host to send a script with the response. */
100 status = _ux_system_event_flags_get(&pictbridge -> ux_pictbridge_event_flags_group, UX_PICTBRIDGE_EVENT_FLAG_CAPABILITY,
101 UX_AND_CLEAR, &actual_flags, UX_PICTBRIDGE_EVENT_TIMEOUT);
102
103 /* Check status. */
104 if (status != UX_SUCCESS)
105 return(UX_EVENT_ERROR);
106
107 /* Ensure the flag was set. */
108 if (actual_flags & UX_PICTBRIDGE_EVENT_FLAG_CAPABILITY)
109
110 /* Return completion status. */
111 return(UX_SUCCESS);
112
113 else
114
115 /* Return completion status. */
116 return(UX_ERROR);
117 }
118
119