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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/**
* @file
*
* This file contains a test fixture termios device driver.
*/
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tmacros.h"
#include <rtems/libio.h>
#include <stdlib.h>
#include <termios.h>
#include <rtems/termiostypes.h>
#include <rtems/libcsupport.h>
#include <rtems/malloc.h>
#include "termios_testdriver.h"
/* forward declarations to avoid warnings */
int termios_test_driver_inbyte_nonblocking(int port);
void termios_test_driver_outbyte_polled(int port, char ch);
ssize_t termios_test_driver_write_support(
int minor,
const char *buf,
size_t len
);
int termios_test_driver_set_attributes(
int minor,
const struct termios *t
);
int termios_test_driver_inbyte_nonblocking( int port )
{
return -1;
}
void termios_test_driver_outbyte_polled(
int port,
char ch
)
{
}
ssize_t termios_test_driver_write_support(
int minor,
const char *buf,
size_t len
)
{
size_t nwrite = 0;
while (nwrite < len) {
#if (TERMIOS_TEST_DRIVER_USE_INTERRUPTS)
termios_test_driver_outbyte_interrupt( minor, *buf++ );
#else
termios_test_driver_outbyte_polled( minor, *buf++ );
#endif
nwrite++;
}
return nwrite;
}
/*
* Set Attributes Handler
*/
int termios_test_driver_set_attributes(
int minor,
const struct termios *t
)
{
int baud_requested;
int number;
const char *parity = "NONE";
const char *char_size = "5";
const char *stop = "NONE";
baud_requested = t->c_cflag & CBAUD;
number = rtems_termios_baud_to_number( baud_requested );
/*
* Parity
*/
if (t->c_cflag & PARENB) {
parity = "EVEN";
if (!(t->c_cflag & PARODD))
parity = "ODD";
}
/*
* Character Size
*/
if (t->c_cflag & CSIZE) {
switch (t->c_cflag & CSIZE) {
case CS5: char_size = "5"; break;
case CS6: char_size = "6"; break;
case CS7: char_size = "7"; break;
case CS8: char_size = "8"; break;
}
}
/*
* Stop Bits
*/
if (t->c_cflag & CSTOPB)
stop = "2";
else
stop = "1";
printf(
"set_attributes - B%d %s-%s-%s\n",
number,
char_size,
parity,
stop
);
return 0;
}
/*
* Test Device Driver Entry Points
*/
rtems_device_driver termios_test_driver_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
rtems_status_code sc;
rtems_termios_initialize();
/*
* Register Device Names
*/
puts(
"Termios_test_driver - rtems_io_register "
TERMIOS_TEST_DRIVER_DEVICE_NAME " - OK"
);
sc = rtems_io_register_name( TERMIOS_TEST_DRIVER_DEVICE_NAME, major, 0 );
directive_failed( sc, "rtems_io_register_name" );
return RTEMS_SUCCESSFUL;
}
rtems_device_driver termios_test_driver_open(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
rtems_status_code sc;
int rc;
rtems_libio_open_close_args_t *args = arg;
static bool firstCall = true;
static const rtems_termios_callbacks Callbacks = {
NULL, /* firstOpen */
NULL, /* lastClose */
termios_test_driver_inbyte_nonblocking, /* pollRead */
termios_test_driver_write_support, /* write */
termios_test_driver_set_attributes, /* setAttributes */
NULL, /* stopRemoteTx */
NULL, /* startRemoteTx */
0 /* outputUsesInterrupts */
};
if ( minor > 2 ) {
puts( "ERROR - Termios_testdriver - only 1 minor supported" );
rtems_test_exit(0);
}
if( firstCall ) {
static const uintptr_t allocSizes [] = {
sizeof( struct rtems_termios_tty ),
128,
64,
256
};
size_t i;
firstCall = false;
for (i = 0; i < sizeof( allocSizes ) / sizeof( allocSizes [0] ); ++i) {
void *opaque = rtems_heap_greedy_allocate( allocSizes, i );
sc = rtems_termios_open( major, minor, arg, &Callbacks );
rtems_test_assert( sc == RTEMS_NO_MEMORY );
rtems_heap_greedy_free( opaque );
}
}
sc = rtems_termios_open (major, minor, arg, &Callbacks);
directive_failed( sc, "rtems_termios_open" );
puts( "Termios_test_driver - rtems_set_initial_baud - bad baud - OK" );
rc = rtems_termios_set_initial_baud( args->iop->data1, 5000 );
if ( rc != -1 ) {
printf( "ERROR - return %d\n", rc );
rtems_test_exit(0);
}
puts( "Termios_test_driver - rtems_set_initial_baud - 38400 - OK" );
rc = rtems_termios_set_initial_baud( args->iop->data1, 38400 );
if ( rc ) {
printf( "ERROR - return %d\n", rc );
rtems_test_exit(0);
}
return RTEMS_SUCCESSFUL;
}
rtems_device_driver termios_test_driver_close(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_close (arg);
}
rtems_device_driver termios_test_driver_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_read (arg);
}
rtems_device_driver termios_test_driver_write(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_write (arg);
}
rtems_device_driver termios_test_driver_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_ioctl (arg);
}
|
