summaryrefslogtreecommitdiff
path: root/apps/examples/usbterm/usbterm.h
blob: a889c886df94cd1d3f0e5e9352bf3c214fea40b7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/****************************************************************************
 * examples/usbterm/usbterm.h
 *
 *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

#ifndef __APPS_EXAMPLES_USBTERM_USBTERM_H
#define __APPS_EXAMPLES_USBTERM_USBTERM_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <stdint.h>
#include <stdbool.h>
#include <semaphore.h>

/****************************************************************************
 * Definitions
 ****************************************************************************/
/* Configuration ************************************************************/

#ifndef CONFIG_EXAMPLES_USBTERM_BUFLEN
#  define CONFIG_EXAMPLES_USBTERM_BUFLEN 256
#endif

#ifdef CONFIG_EXAMPLES_USBTERM_TRACEINIT
#  define TRACE_INIT_BITS       (TRACE_INIT_BIT)
#else
#  define TRACE_INIT_BITS       (0)
#endif

#define TRACE_ERROR_BITS        (TRACE_DEVERROR_BIT|TRACE_CLSERROR_BIT)

#ifdef CONFIG_EXAMPLES_USBTERM_TRACECLASS
#  define TRACE_CLASS_BITS      (TRACE_CLASS_BIT|TRACE_CLASSAPI_BIT|TRACE_CLASSSTATE_BIT)
#else
#  define TRACE_CLASS_BITS      (0)
#endif

#ifdef CONFIG_EXAMPLES_USBTERM_TRACETRANSFERS
#  define TRACE_TRANSFER_BITS   (TRACE_OUTREQQUEUED_BIT|TRACE_INREQQUEUED_BIT|TRACE_READ_BIT|\
                                 TRACE_WRITE_BIT|TRACE_COMPLETE_BIT)
#else
#  define TRACE_TRANSFER_BITS   (0)
#endif

#ifdef CONFIG_EXAMPLES_USBTERM_TRACECONTROLLER
#  define TRACE_CONTROLLER_BITS (TRACE_EP_BIT|TRACE_DEV_BIT)
#else
#  define TRACE_CONTROLLER_BITS (0)
#endif

#ifdef CONFIG_EXAMPLES_USBTERM_TRACEINTERRUPTS
#  define TRACE_INTERRUPT_BITS  (TRACE_INTENTRY_BIT|TRACE_INTDECODE_BIT|TRACE_INTEXIT_BIT)
#else
#  define TRACE_INTERRUPT_BITS  (0)
#endif

#define TRACE_BITSET            (TRACE_INIT_BITS|TRACE_ERROR_BITS|TRACE_CLASS_BITS|\
                                 TRACE_TRANSFER_BITS|TRACE_CONTROLLER_BITS|TRACE_INTERRUPT_BITS)

#ifdef CONFIG_CDCACM
#  define USBTERM_DEVNAME "/dev/ttyACM0"
#else
#  define USBTERM_DEVNAME "/dev/ttyUSB0"
#endif

/* Debug ********************************************************************/

#ifdef CONFIG_CPP_HAVE_VARARGS
#  ifdef CONFIG_DEBUG
#    define message(...) lib_rawprintf(__VA_ARGS__)
#    define trmessage    lib_rawprintf
#  else
#    define message(...) printf(__VA_ARGS__)
#    define trmessage    printf
#  endif
#else
#  ifdef CONFIG_DEBUG
#    define message      lib_lowprintf
#    define trmessage    lib_lowprintf
#  else
#    define message      printf
#    define trmessage    printf
#  endif
#endif

#define IOBUFFER_SIZE 256

/****************************************************************************
 * Public Types
 ****************************************************************************/

/* All USB terminal state data is packaged in a single structure to minimize
 * name conflicts with other global symbols -- a poor man's name space.
 */

struct usbterm_globals_s
{
  FILE     *instream;  /* Stream for incoming USB data */
  FILE     *outstream; /* Stream for outgoing USB data */
  pthread_t listener;  /* USB terminal listener thread */

  /* Buffers for incoming and outgoing data */

  char     inbuffer[CONFIG_EXAMPLES_USBTERM_BUFLEN];
  char     outbuffer[CONFIG_EXAMPLES_USBTERM_BUFLEN];
};

/****************************************************************************
 * Public Variables
 ****************************************************************************/

/* USB terminal state data */

extern struct usbterm_globals_s g_usbterm;

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/
/****************************************************************************
 * Name:
 *
 * Description:
 *   If CONFIG_EXAMPLES_USBTERM_DEVINIT is defined, then the example will
 *   call this user provided function as part of its initialization.
 *
 ****************************************************************************/

#ifdef CONFIG_EXAMPLES_USBTERM_DEVINIT
int usbterm_devinit(void);
#endif

/****************************************************************************
 * Name:
 *
 * Description:
 *   If CONFIG_EXAMPLES_USBTERM_DEVINIT is defined, then the example will
 *   call this user provided function as part of its termination sequeunce.
 *
 ****************************************************************************/

#ifdef CONFIG_EXAMPLES_USBTERM_DEVINIT
void usbterm_devuninit(void);
#endif

#endif /* __APPS_EXAMPLES_USBTERM_USBTERM_H */