1 |
matthewc |
432 |
#include <unistd.h> |
2 |
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#include <fcntl.h> |
3 |
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#include <termios.h> |
4 |
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#include "rdesktop.h" |
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6 |
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#define FILE_DEVICE_SERIAL_PORT 0x1b |
7 |
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8 |
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#define SERIAL_SET_BAUD_RATE 1 |
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#define SERIAL_SET_QUEUE_SIZE 2 |
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#define SERIAL_SET_LINE_CONTROL 3 |
11 |
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#define SERIAL_SET_BREAK_ON 4 |
12 |
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#define SERIAL_SET_BREAK_OFF 5 |
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#define SERIAL_IMMEDIATE_CHAR 6 |
14 |
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#define SERIAL_SET_TIMEOUTS 7 |
15 |
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#define SERIAL_GET_TIMEOUTS 8 |
16 |
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#define SERIAL_SET_DTR 9 |
17 |
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#define SERIAL_CLR_DTR 10 |
18 |
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#define SERIAL_RESET_DEVICE 11 |
19 |
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#define SERIAL_SET_RTS 12 |
20 |
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#define SERIAL_CLR_RTS 13 |
21 |
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#define SERIAL_SET_XOFF 14 |
22 |
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#define SERIAL_SET_XON 15 |
23 |
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#define SERIAL_GET_WAIT_MASK 16 |
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#define SERIAL_SET_WAIT_MASK 17 |
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#define SERIAL_WAIT_ON_MASK 18 |
26 |
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#define SERIAL_PURGE 19 |
27 |
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#define SERIAL_GET_BAUD_RATE 20 |
28 |
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#define SERIAL_GET_LINE_CONTROL 21 |
29 |
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#define SERIAL_GET_CHARS 22 |
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#define SERIAL_SET_CHARS 23 |
31 |
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#define SERIAL_GET_HANDFLOW 24 |
32 |
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#define SERIAL_SET_HANDFLOW 25 |
33 |
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#define SERIAL_GET_MODEMSTATUS 26 |
34 |
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#define SERIAL_GET_COMMSTATUS 27 |
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#define SERIAL_XOFF_COUNTER 28 |
36 |
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#define SERIAL_GET_PROPERTIES 29 |
37 |
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#define SERIAL_GET_DTRRTS 30 |
38 |
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#define SERIAL_LSRMST_INSERT 31 |
39 |
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#define SERIAL_CONFIG_SIZE 32 |
40 |
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#define SERIAL_GET_COMMCONFIG 33 |
41 |
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#define SERIAL_SET_COMMCONFIG 34 |
42 |
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#define SERIAL_GET_STATS 35 |
43 |
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#define SERIAL_CLEAR_STATS 36 |
44 |
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#define SERIAL_GET_MODEM_CONTROL 37 |
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#define SERIAL_SET_MODEM_CONTROL 38 |
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#define SERIAL_SET_FIFO_CONTROL 39 |
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48 |
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#define STOP_BITS_1 0 |
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#define STOP_BITS_2 2 |
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51 |
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#define NO_PARITY 0 |
52 |
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#define ODD_PARITY 1 |
53 |
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#define EVEN_PARITY 2 |
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int serial_fd; |
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struct termios termios; |
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int dtr; |
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uint32 baud_rate; |
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uint32 queue_in_size, queue_out_size; |
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uint32 wait_mask; |
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uint8 stop_bits, parity, word_length; |
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static BOOL |
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get_termios(void) |
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{ |
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speed_t speed; |
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if (tcgetattr(serial_fd, &termios) == -1) |
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return False; |
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72 |
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speed = cfgetispeed(&termios); |
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switch (speed) |
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{ |
75 |
stargo |
545 |
#ifdef B75 |
76 |
astrand |
435 |
case B75: |
77 |
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baud_rate = 75; |
78 |
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break; |
79 |
stargo |
545 |
#endif |
80 |
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#ifdef B110 |
81 |
astrand |
435 |
case B110: |
82 |
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baud_rate = 110; |
83 |
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break; |
84 |
stargo |
545 |
#endif |
85 |
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#ifdef B134 |
86 |
astrand |
435 |
case B134: |
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baud_rate = 134; |
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break; |
89 |
stargo |
545 |
#endif |
90 |
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#ifdef B150 |
91 |
astrand |
435 |
case B150: |
92 |
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baud_rate = 150; |
93 |
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break; |
94 |
stargo |
545 |
#endif |
95 |
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#ifdef B300 |
96 |
astrand |
435 |
case B300: |
97 |
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baud_rate = 300; |
98 |
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break; |
99 |
stargo |
545 |
#endif |
100 |
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#ifdef B600 |
101 |
astrand |
435 |
case B600: |
102 |
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baud_rate = 600; |
103 |
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break; |
104 |
stargo |
545 |
#endif |
105 |
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#ifdef B1200 |
106 |
astrand |
435 |
case B1200: |
107 |
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baud_rate = 1200; |
108 |
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break; |
109 |
stargo |
545 |
#endif |
110 |
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#ifdef B1800 |
111 |
astrand |
435 |
case B1800: |
112 |
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baud_rate = 1800; |
113 |
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break; |
114 |
stargo |
545 |
#endif |
115 |
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#ifdef B2400 |
116 |
astrand |
435 |
case B2400: |
117 |
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baud_rate = 2400; |
118 |
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break; |
119 |
stargo |
545 |
#endif |
120 |
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#ifdef B4800 |
121 |
astrand |
435 |
case B4800: |
122 |
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baud_rate = 4800; |
123 |
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break; |
124 |
stargo |
545 |
#endif |
125 |
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#ifdef B9600 |
126 |
astrand |
435 |
case B9600: |
127 |
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baud_rate = 9600; |
128 |
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break; |
129 |
stargo |
545 |
#endif |
130 |
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#ifdef B19200 |
131 |
astrand |
435 |
case B19200: |
132 |
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baud_rate = 19200; |
133 |
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break; |
134 |
stargo |
545 |
#endif |
135 |
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#ifdef B38400 |
136 |
astrand |
435 |
case B38400: |
137 |
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baud_rate = 38400; |
138 |
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break; |
139 |
stargo |
545 |
#endif |
140 |
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#ifdef B57600 |
141 |
astrand |
435 |
case B57600: |
142 |
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baud_rate = 57600; |
143 |
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break; |
144 |
stargo |
545 |
#endif |
145 |
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#ifdef B115200 |
146 |
astrand |
435 |
case B115200: |
147 |
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baud_rate = 115200; |
148 |
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break; |
149 |
stargo |
545 |
#endif |
150 |
astrand |
435 |
default: |
151 |
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baud_rate = 0; |
152 |
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break; |
153 |
matthewc |
432 |
} |
154 |
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|
155 |
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speed = cfgetospeed(&termios); |
156 |
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dtr = (speed == B0) ? 0 : 1; |
157 |
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|
158 |
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stop_bits = (termios.c_cflag & CSTOPB) ? STOP_BITS_2 : STOP_BITS_1; |
159 |
astrand |
435 |
parity = (termios. |
160 |
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c_cflag & PARENB) ? ((termios. |
161 |
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c_cflag & PARODD) ? ODD_PARITY : EVEN_PARITY) : NO_PARITY; |
162 |
matthewc |
432 |
switch (termios.c_cflag & CSIZE) |
163 |
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{ |
164 |
astrand |
435 |
case CS5: |
165 |
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word_length = 5; |
166 |
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break; |
167 |
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case CS6: |
168 |
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word_length = 6; |
169 |
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break; |
170 |
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case CS7: |
171 |
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word_length = 7; |
172 |
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break; |
173 |
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default: |
174 |
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word_length = 8; |
175 |
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break; |
176 |
matthewc |
432 |
} |
177 |
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|
178 |
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return True; |
179 |
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} |
180 |
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|
181 |
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static void |
182 |
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set_termios(void) |
183 |
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{ |
184 |
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speed_t speed; |
185 |
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|
186 |
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switch (baud_rate) |
187 |
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{ |
188 |
stargo |
545 |
#ifdef B75 |
189 |
astrand |
435 |
case 75: |
190 |
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speed = B75; |
191 |
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break; |
192 |
stargo |
545 |
#endif |
193 |
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#ifdef B110 |
194 |
astrand |
435 |
case 110: |
195 |
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speed = B110; |
196 |
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break; |
197 |
stargo |
545 |
#endif |
198 |
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#ifdef B134 |
199 |
astrand |
435 |
case 134: |
200 |
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speed = B134; |
201 |
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break; |
202 |
stargo |
545 |
#endif |
203 |
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#ifdef B150 |
204 |
astrand |
435 |
case 150: |
205 |
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speed = B150; |
206 |
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break; |
207 |
stargo |
545 |
#endif |
208 |
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#ifdef B300 |
209 |
astrand |
435 |
case 300: |
210 |
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speed = B300; |
211 |
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break; |
212 |
stargo |
545 |
#endif |
213 |
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#ifdef B600 |
214 |
astrand |
435 |
case 600: |
215 |
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speed = B600; |
216 |
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break; |
217 |
stargo |
545 |
#endif |
218 |
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#ifdef B1200 |
219 |
astrand |
435 |
case 1200: |
220 |
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speed = B1200; |
221 |
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break; |
222 |
stargo |
545 |
#endif |
223 |
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#ifdef B1800 |
224 |
astrand |
435 |
case 1800: |
225 |
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speed = B1800; |
226 |
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break; |
227 |
stargo |
545 |
#endif |
228 |
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#ifdef B2400 |
229 |
astrand |
435 |
case 2400: |
230 |
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speed = B2400; |
231 |
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break; |
232 |
stargo |
545 |
#endif |
233 |
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#ifdef B4800 |
234 |
astrand |
435 |
case 4800: |
235 |
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speed = B4800; |
236 |
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break; |
237 |
stargo |
545 |
#endif |
238 |
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#ifdef B9600 |
239 |
astrand |
435 |
case 9600: |
240 |
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speed = B9600; |
241 |
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break; |
242 |
stargo |
545 |
#endif |
243 |
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#ifdef B19200 |
244 |
astrand |
435 |
case 19200: |
245 |
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speed = B19200; |
246 |
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break; |
247 |
stargo |
545 |
#endif |
248 |
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#ifdef B38400 |
249 |
astrand |
435 |
case 38400: |
250 |
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speed = B38400; |
251 |
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break; |
252 |
stargo |
545 |
#endif |
253 |
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#ifdef B57600 |
254 |
astrand |
435 |
case 57600: |
255 |
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speed = B57600; |
256 |
|
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break; |
257 |
stargo |
545 |
#endif |
258 |
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#ifdef B115200 |
259 |
astrand |
435 |
case 115200: |
260 |
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speed = B115200; |
261 |
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break; |
262 |
stargo |
545 |
#endif |
263 |
astrand |
435 |
default: |
264 |
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speed = B0; |
265 |
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break; |
266 |
matthewc |
432 |
} |
267 |
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|
268 |
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/* on systems with separate ispeed and ospeed, we can remember the speed |
269 |
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in ispeed while changing DTR with ospeed */ |
270 |
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cfsetispeed(&termios, speed); |
271 |
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cfsetospeed(&termios, dtr ? speed : 0); |
272 |
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|
273 |
astrand |
435 |
termios.c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE); |
274 |
matthewc |
432 |
switch (stop_bits) |
275 |
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{ |
276 |
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case STOP_BITS_2: |
277 |
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termios.c_cflag |= CSTOPB; |
278 |
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break; |
279 |
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} |
280 |
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switch (parity) |
281 |
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{ |
282 |
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case EVEN_PARITY: |
283 |
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termios.c_cflag |= PARENB; |
284 |
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break; |
285 |
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case ODD_PARITY: |
286 |
astrand |
435 |
termios.c_cflag |= PARENB | PARODD; |
287 |
matthewc |
432 |
break; |
288 |
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} |
289 |
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switch (word_length) |
290 |
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{ |
291 |
astrand |
435 |
case 5: |
292 |
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termios.c_cflag |= CS5; |
293 |
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break; |
294 |
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case 6: |
295 |
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termios.c_cflag |= CS6; |
296 |
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break; |
297 |
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case 7: |
298 |
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termios.c_cflag |= CS7; |
299 |
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break; |
300 |
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default: |
301 |
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termios.c_cflag |= CS8; |
302 |
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break; |
303 |
matthewc |
432 |
} |
304 |
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305 |
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tcsetattr(serial_fd, TCSANOW, &termios); |
306 |
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} |
307 |
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|
308 |
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static NTSTATUS |
309 |
astrand |
435 |
serial_create(HANDLE * handle) |
310 |
matthewc |
432 |
{ |
311 |
|
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/* XXX do we have to handle concurrent open attempts? */ |
312 |
|
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serial_fd = open("/dev/ttyS0", O_RDWR); |
313 |
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if (serial_fd == -1) |
314 |
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return STATUS_ACCESS_DENIED; |
315 |
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|
316 |
|
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if (!get_termios()) |
317 |
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return STATUS_ACCESS_DENIED; |
318 |
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319 |
|
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*handle = 0; |
320 |
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return STATUS_SUCCESS; |
321 |
|
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} |
322 |
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|
323 |
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static NTSTATUS |
324 |
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serial_close(HANDLE handle) |
325 |
|
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{ |
326 |
|
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close(serial_fd); |
327 |
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return STATUS_SUCCESS; |
328 |
|
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} |
329 |
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|
330 |
|
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static NTSTATUS |
331 |
astrand |
435 |
serial_read(HANDLE handle, uint8 * data, uint32 length, uint32 * result) |
332 |
matthewc |
432 |
{ |
333 |
|
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*result = read(serial_fd, data, length); |
334 |
|
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return STATUS_SUCCESS; |
335 |
|
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} |
336 |
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|
337 |
|
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static NTSTATUS |
338 |
astrand |
435 |
serial_write(HANDLE handle, uint8 * data, uint32 length, uint32 * result) |
339 |
matthewc |
432 |
{ |
340 |
|
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*result = write(serial_fd, data, length); |
341 |
|
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return STATUS_SUCCESS; |
342 |
|
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} |
343 |
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|
344 |
|
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static NTSTATUS |
345 |
|
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serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) |
346 |
|
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{ |
347 |
|
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uint32 result; |
348 |
|
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uint8 immediate; |
349 |
|
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|
350 |
|
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if ((request >> 16) != FILE_DEVICE_SERIAL_PORT) |
351 |
|
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return STATUS_INVALID_PARAMETER; |
352 |
|
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|
353 |
|
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/* extract operation */ |
354 |
|
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request >>= 2; |
355 |
|
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request &= 0xfff; |
356 |
|
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|
357 |
|
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printf("SERIAL IOCTL %d\n", request); |
358 |
|
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|
359 |
|
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switch (request) |
360 |
|
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{ |
361 |
|
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case SERIAL_SET_BAUD_RATE: |
362 |
|
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in_uint32_le(in, baud_rate); |
363 |
|
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set_termios(); |
364 |
|
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break; |
365 |
|
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case SERIAL_GET_BAUD_RATE: |
366 |
|
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out_uint32_le(out, baud_rate); |
367 |
|
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break; |
368 |
|
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case SERIAL_SET_QUEUE_SIZE: |
369 |
|
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in_uint32_le(in, queue_in_size); |
370 |
|
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in_uint32_le(in, queue_out_size); |
371 |
|
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break; |
372 |
|
|
case SERIAL_SET_LINE_CONTROL: |
373 |
|
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in_uint8(in, stop_bits); |
374 |
|
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in_uint8(in, parity); |
375 |
|
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in_uint8(in, word_length); |
376 |
|
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set_termios(); |
377 |
|
|
break; |
378 |
|
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case SERIAL_GET_LINE_CONTROL: |
379 |
|
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out_uint8(out, stop_bits); |
380 |
|
|
out_uint8(out, parity); |
381 |
|
|
out_uint8(out, word_length); |
382 |
|
|
break; |
383 |
|
|
case SERIAL_IMMEDIATE_CHAR: |
384 |
|
|
in_uint8(in, immediate); |
385 |
|
|
serial_write(handle, &immediate, 1, &result); |
386 |
|
|
break; |
387 |
|
|
case SERIAL_CONFIG_SIZE: |
388 |
|
|
out_uint32_le(out, 0); |
389 |
|
|
break; |
390 |
|
|
case SERIAL_GET_CHARS: |
391 |
|
|
out_uint8s(out, 6); |
392 |
|
|
break; |
393 |
|
|
case SERIAL_SET_CHARS: |
394 |
|
|
in_uint8s(in, 6); |
395 |
|
|
break; |
396 |
|
|
case SERIAL_GET_HANDFLOW: |
397 |
|
|
out_uint32_le(out, 0); |
398 |
astrand |
435 |
out_uint32_le(out, 3); /* Xon/Xoff */ |
399 |
matthewc |
432 |
out_uint32_le(out, 0); |
400 |
|
|
out_uint32_le(out, 0); |
401 |
|
|
break; |
402 |
|
|
case SERIAL_SET_HANDFLOW: |
403 |
|
|
in_uint8s(in, 16); |
404 |
|
|
break; |
405 |
|
|
case SERIAL_SET_TIMEOUTS: |
406 |
|
|
in_uint8s(in, 20); |
407 |
|
|
break; |
408 |
|
|
case SERIAL_GET_TIMEOUTS: |
409 |
|
|
out_uint8s(out, 20); |
410 |
|
|
break; |
411 |
|
|
case SERIAL_GET_WAIT_MASK: |
412 |
|
|
out_uint32(out, wait_mask); |
413 |
|
|
break; |
414 |
|
|
case SERIAL_SET_WAIT_MASK: |
415 |
|
|
in_uint32(in, wait_mask); |
416 |
|
|
break; |
417 |
|
|
case SERIAL_SET_DTR: |
418 |
|
|
dtr = 1; |
419 |
|
|
set_termios(); |
420 |
|
|
break; |
421 |
|
|
case SERIAL_CLR_DTR: |
422 |
|
|
dtr = 0; |
423 |
|
|
set_termios(); |
424 |
|
|
break; |
425 |
|
|
#if 0 |
426 |
|
|
case SERIAL_WAIT_ON_MASK: |
427 |
|
|
/* XXX implement me */ |
428 |
|
|
break; |
429 |
|
|
case SERIAL_SET_BREAK_ON: |
430 |
|
|
tcsendbreak(serial_fd, 0); |
431 |
|
|
break; |
432 |
|
|
case SERIAL_PURGE: |
433 |
|
|
in_uint32(purge_mask); |
434 |
|
|
/* tcflush */ |
435 |
|
|
break; |
436 |
|
|
case SERIAL_RESET_DEVICE: |
437 |
|
|
case SERIAL_SET_BREAK_OFF: |
438 |
|
|
case SERIAL_SET_RTS: |
439 |
|
|
case SERIAL_CLR_RTS: |
440 |
|
|
case SERIAL_SET_XOFF: |
441 |
|
|
case SERIAL_SET_XON: |
442 |
|
|
/* ignore */ |
443 |
|
|
break; |
444 |
|
|
#endif |
445 |
|
|
|
446 |
|
|
default: |
447 |
|
|
unimpl("SERIAL IOCTL %d\n", request); |
448 |
|
|
return STATUS_INVALID_PARAMETER; |
449 |
|
|
} |
450 |
|
|
|
451 |
|
|
return STATUS_SUCCESS; |
452 |
|
|
} |
453 |
|
|
|
454 |
astrand |
435 |
DEVICE_FNS serial_fns = { |
455 |
matthewc |
432 |
serial_create, |
456 |
|
|
serial_close, |
457 |
|
|
serial_read, |
458 |
|
|
serial_write, |
459 |
|
|
serial_device_control |
460 |
|
|
}; |