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 /** GUIX Component */
17 /** */
18 /** System Management (System) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_system.h"
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _gx_system_screen_stack_create PORTABLE C */
35 /* 6.1 */
36 /* AUTHOR */
37 /* */
38 /* Kenneth Maxwell, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function initializes a system screen stack. */
43 /* */
44 /* INPUT */
45 /* */
46 /* memory Memory address at which to */
47 /* create screen stack. */
48 /* size Memory size in bytes. */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* status Completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* None */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* Application Code */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
67 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
68 /* resulting in version 6.1 */
69 /* */
70 /**************************************************************************/
_gx_system_screen_stack_create(GX_WIDGET ** memory,INT size)71 UINT _gx_system_screen_stack_create(GX_WIDGET **memory, INT size)
72 {
73 _gx_system_screen_stack.gx_screen_stack_control_memory = memory;
74 _gx_system_screen_stack.gx_screen_stack_control_max = (INT)((UINT)size / (sizeof(GX_WIDGET *) << 1));
75 _gx_system_screen_stack.gx_screen_stack_control_top = -1;
76
77 return(GX_SUCCESS);
78 }
79
80
