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 /** USBX Component */
16 /** */
17 /** Device Printer Class */
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_device_class_printer.h"
29 #include "ux_device_stack.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _ux_device_class_printer_deactivate PORTABLE C */
37 /* 6.1.10 */
38 /* AUTHOR */
39 /* */
40 /* Chaoqiong Xiao, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function deactivate an instance of the printer class. */
45 /* */
46 /* INPUT */
47 /* */
48 /* command Pointer to a class command */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* Completion Status */
53 /* */
54 /* CALLS */
55 /* */
56 /* (ux_device_class_printer_instance_deactivate) */
57 /* Notify deactivation */
58 /* _ux_device_class_printer_soft_reset Performs software reset */
59 /* */
60 /* CALLED BY */
61 /* */
62 /* Device Printer Class */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 01-31-2022 Chaoqiong Xiao Initial Version 6.1.10 */
69 /* */
70 /**************************************************************************/
_ux_device_class_printer_deactivate(UX_SLAVE_CLASS_COMMAND * command)71 UINT _ux_device_class_printer_deactivate(UX_SLAVE_CLASS_COMMAND *command)
72 {
73
74 UX_DEVICE_CLASS_PRINTER *printer;
75 UX_SLAVE_CLASS *printer_class;
76
77 /* Get the class container. */
78 printer_class = command -> ux_slave_class_command_class_ptr;
79
80 /* Get the class instance in the container. */
81 printer = (UX_DEVICE_CLASS_PRINTER *) printer_class -> ux_slave_class_instance;
82
83 /* Terminate the transactions pending on the endpoints. */
84 _ux_device_class_printer_soft_reset(printer);
85
86 /* Endpoints not ready. */
87 printer -> ux_device_class_printer_endpoint_in = UX_NULL;
88 printer -> ux_device_class_printer_endpoint_out = UX_NULL;
89
90 /* Reset port status. */
91 printer -> ux_device_class_printer_port_status = 0;
92
93 /* If there is a deactivate function call it. */
94 if (printer -> ux_device_class_printer_parameter.ux_device_class_printer_instance_deactivate != UX_NULL)
95 {
96
97 /* Invoke the application. */
98 printer -> ux_device_class_printer_parameter.ux_device_class_printer_instance_deactivate(printer);
99 }
100
101 /* If trace is enabled, insert this event into the trace buffer. */
102 UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_PRINTER_DEACTIVATE, printer, 0, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
103
104 /* If trace is enabled, register this object. */
105 UX_TRACE_OBJECT_UNREGISTER(printer);
106
107 /* Return completion status. */
108 return(UX_SUCCESS);
109 }
110