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 /** USBX Component                                                        */
15 /**                                                                       */
16 /**   Device Printer Class                                                */
17 /**                                                                       */
18 /**************************************************************************/
19 /**************************************************************************/
20 
21 #define UX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "ux_api.h"
27 #include "ux_device_class_printer.h"
28 #include "ux_device_stack.h"
29 
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _ux_device_class_printer_ioctl                      PORTABLE C      */
36 /*                                                           6.2.1        */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Chaoqiong Xiao, Microsoft Corporation                               */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function performs certain functions on the printer instance    */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    printer                               Address of printer class      */
48 /*                                            instance                    */
49 /*    ioctl_function                        Ioctl function                */
50 /*    Parameter                             Parameter of ioctl function   */
51 /*                                                                        */
52 /*  OUTPUT                                                                */
53 /*                                                                        */
54 /*    Status                                                              */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*                                                                        */
58 /*    None                                                                */
59 /*                                                                        */
60 /*  CALLED BY                                                             */
61 /*                                                                        */
62 /*    Application                                                         */
63 /*                                                                        */
64 /*  RELEASE HISTORY                                                       */
65 /*                                                                        */
66 /*    DATE              NAME                      DESCRIPTION             */
67 /*                                                                        */
68 /*  01-31-2022     Chaoqiong Xiao           Initial Version 6.1.10        */
69 /*  03-08-2023     Yajun Xia                Modified comment(s),          */
70 /*                                            resulting in version 6.2.1  */
71 /*                                                                        */
72 /**************************************************************************/
_ux_device_class_printer_ioctl(UX_DEVICE_CLASS_PRINTER * printer,ULONG ioctl_function,VOID * parameter)73 UINT _ux_device_class_printer_ioctl(UX_DEVICE_CLASS_PRINTER *printer, ULONG ioctl_function,
74                                     VOID *parameter)
75 {
76 
77 UINT                                status;
78 UX_SLAVE_ENDPOINT                   *endpoint;
79 UX_SLAVE_TRANSFER                   *transfer;
80 
81 
82     /* Default to success.  */
83     status = UX_SUCCESS;
84 
85     /* The command request will tell us what we need to do here.  */
86     switch (ioctl_function)
87     {
88     case UX_DEVICE_CLASS_PRINTER_IOCTL_PORT_STATUS_SET:
89 
90         /* Set port status.  */
91         printer -> ux_device_class_printer_port_status = (ULONG)(UCHAR)(ALIGN_TYPE)parameter;
92         break;
93 
94     case UX_DEVICE_CLASS_PRINTER_IOCTL_READ_TIMEOUT_SET:
95 
96         /* Set endpoint transfer timeout.  */
97         endpoint = printer -> ux_device_class_printer_endpoint_out;
98         transfer = &endpoint -> ux_slave_endpoint_transfer_request;
99         transfer -> ux_slave_transfer_request_timeout = (ULONG)(ALIGN_TYPE)parameter;
100         break;
101 
102     case UX_DEVICE_CLASS_PRINTER_IOCTL_WRITE_TIMEOUT_SET:
103 
104         /* Set endpoint transfer timeout (if exist).  */
105         endpoint = printer -> ux_device_class_printer_endpoint_in;
106         if (endpoint != UX_NULL)
107         {
108             transfer = &endpoint -> ux_slave_endpoint_transfer_request;
109             transfer -> ux_slave_transfer_request_timeout = (ULONG)(ALIGN_TYPE)parameter;
110         }
111         break;
112 
113     default:
114 
115         /* Error trap. */
116         _ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_CLASS, UX_FUNCTION_NOT_SUPPORTED);
117 
118         /* If trace is enabled, insert this event into the trace buffer.  */
119         UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_FUNCTION_NOT_SUPPORTED, 0, 0, 0, UX_TRACE_ERRORS, 0, 0)
120 
121         /* Function not supported. Return an error.  */
122         status =  UX_FUNCTION_NOT_SUPPORTED;
123         break;
124     }
125 
126     /* Return status to caller.  */
127     return(status);
128 
129 }
130 
131 /**************************************************************************/
132 /*                                                                        */
133 /*  FUNCTION                                               RELEASE        */
134 /*                                                                        */
135 /*    _uxe_device_class_printer_ioctl                      PORTABLE C     */
136 /*                                                           6.2.1        */
137 /*  AUTHOR                                                                */
138 /*                                                                        */
139 /*    Yajun Xia, Microsoft Corporation                                    */
140 /*                                                                        */
141 /*  DESCRIPTION                                                           */
142 /*                                                                        */
143 /*    This function checks errors in printer class ioctl function         */
144 /*                                                                        */
145 /*  INPUT                                                                 */
146 /*                                                                        */
147 /*    printer                               Address of printer class      */
148 /*                                            instance                    */
149 /*    ioctl_function                        Ioctl function                */
150 /*    Parameter                             Parameter of ioctl function   */
151 /*                                                                        */
152 /*  OUTPUT                                                                */
153 /*                                                                        */
154 /*    Status                                                              */
155 /*                                                                        */
156 /*  CALLS                                                                 */
157 /*                                                                        */
158 /*    _ux_device_class_printer_ioctl        Printer class ioctl function  */
159 /*                                                                        */
160 /*  CALLED BY                                                             */
161 /*                                                                        */
162 /*    Application                                                         */
163 /*                                                                        */
164 /*  RELEASE HISTORY                                                       */
165 /*                                                                        */
166 /*    DATE              NAME                      DESCRIPTION             */
167 /*                                                                        */
168 /*  03-08-2023     Yajun Xia                Initial Version 6.2.1         */
169 /*                                                                        */
170 /**************************************************************************/
_uxe_device_class_printer_ioctl(UX_DEVICE_CLASS_PRINTER * printer,ULONG ioctl_function,VOID * parameter)171 UINT _uxe_device_class_printer_ioctl(UX_DEVICE_CLASS_PRINTER *printer, ULONG ioctl_function,
172                                      VOID *parameter)
173 {
174 
175     /* Sanity checks.  */
176     if (printer == UX_NULL)
177     {
178         return (UX_INVALID_PARAMETER);
179     }
180 
181     return (_ux_device_class_printer_ioctl(printer, ioctl_function, parameter));
182 }