##// END OF EJS Templates
Fixed errors for windows
jeandet@PC-DE-JEANDET.lab-lpp.local -
r32:c39f76cb83ff alexis
parent child
Show More
@@ -1,38 +1,38
1 1 // SOPSUYSI_RS232.h
2 2 #ifndef RS232_H
3 3 #define RS232_H
4 4 #define debug
5 5
6 6 #define badPortValue -1
7 7 #define rs232noerr 0
8 8 typedef int rs232port_t;
9 9 typedef int rs232speed_t;
10 typedef enum {rs232OneStop=1,rs232One5Stop=2,rs232TwoStop=2}rs232stop;
10 typedef enum {rs232OneStop,rs232One5Stop,rs232TwoStop}rs232stop;
11 11 typedef enum {rs232parityNo,rs232parityOdd,rs232parityEven}rs232parity;
12 12
13 13
14 14 #ifdef __cplusplus
15 15 #define rs232extern extern "C"
16 16 #else
17 17 #define rs232extern extern
18 18 #endif
19 19 rs232extern rs232port_t rs232open(char* psPortName);
20 20 rs232extern int rs232close(rs232port_t fd);
21 21 rs232extern int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop);
22 22 rs232extern int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize);
23 23 rs232extern int rs232read(rs232port_t fd,char *psRead, int ReadBufferSize);
24 24 rs232extern int rs232setparity(rs232port_t fd, rs232parity Parity);
25 25 rs232extern int rs232setnbstop(rs232port_t fd, rs232stop NbStop);
26 26 rs232extern int rs232setcsize(rs232port_t fd, int ChSize);
27 27 rs232extern int rs232setbaudrate(rs232port_t fd, int baudrate);
28 28 rs232extern int rs232setRTS(rs232port_t fd);
29 29 rs232extern int rs232clearRTS(rs232port_t fd);
30 30 rs232extern int rs232setDTR(rs232port_t fd);
31 31 rs232extern int rs232clearDTR(rs232port_t fd);
32 32 rs232extern int rs232saferead(rs232port_t fd,char* data,int count );
33 33 rs232extern int rs232safewrite(rs232port_t fd,char* data,int count);
34 34
35 35 #endif
36 36
37 37
38 38
@@ -1,438 +1,444
1 1 #include <stdio.h>
2 2 #include <unistd.h>
3 3 #include <fcntl.h>
4 4 #include <string.h>
5 5 #include <errno.h>
6 6 #include "rs232config.h"
7 7 #ifdef HAVE_TERMIOS_H
8 8 #include <termios.h>
9 9 #endif
10 10 #ifdef HAVE_TERMIO_H
11 11 #include <termio.h>
12 12 #endif
13 13 #include "RS232.h"
14 14
15 15 #ifdef HAVE_WINDOWS_H
16 16 #else
17 17 #ifdef HAVE_TERMIOS_H
18 18 rs232speed_t rs232cfspeed(unsigned int BaudeRate);
19 19
20 20 rs232port_t rs232open(char* psPortName)
21 21 {
22 22 rs232port_t fd;
23 23 fd = (rs232port_t)open(psPortName, O_RDWR | O_NOCTTY | O_NDELAY);
24 24 fcntl((int)fd, F_SETFL, 0);
25 25 //fd = open(psPortName, O_RDWR | O_NOCTTY);
26 26 #ifdef debug
27 27 if(fd==-1)printf("can't open Port\n");
28 28 #endif
29 29 return fd;
30 30 }
31 31
32 32 int rs232close(rs232port_t fd)
33 33 {
34 34 if ((int)fd == -1)
35 35 {
36 36 return -1;
37 37 }
38 38 else
39 39 {
40 40 close(fd);
41 41 return 0;
42 42 }
43 43 }
44 44
45 45
46 46 int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop)
47 47 {
48 48 if ((int)fd == -1)
49 49 {
50 50 return -1;
51 51 }
52 52 else
53 53 {
54 54 struct termios terminos;
55 55 tcgetattr(fd, &terminos);
56 56 cfsetispeed(&terminos, rs232cfspeed(BaudeRate));
57 57 cfsetospeed(&terminos, rs232cfspeed(BaudeRate));
58 58 terminos.c_cflag |= (CLOCAL | CREAD);
59 59 rs232cfparity((int)fd, &terminos, Parity);
60 60 rs232cfnbstop((int)fd, &terminos, NbStop);
61 61 rs232cfcsize((int)fd, &terminos, ChSize);
62 62 terminos.c_cc[VMIN]=0;
63 63 terminos.c_cc[VTIME]=1;
64 64 tcflush(fd, TCIFLUSH);
65 65 #ifdef debug
66 66 if(tcsetattr(fd, TCSANOW, &terminos)!=0)printf("bad setup\n");
67 67 #else
68 68 tcsetattr(fd, TCSANOW, &terminos);
69 69 #endif
70 70 return 0;
71 71 }
72 72 }
73 73
74 74 int rs232setbaudrate(rs232port_t fd, int baudrate)
75 75 {
76 76 if ((int)fd == -1)
77 77 {
78 78 return fd;
79 79 }
80 80 else
81 81 {
82 82 struct termios terminos;
83 83 tcgetattr((int)fd, &terminos);
84 84 cfsetispeed(&terminos, rs232cfspeed(baudrate));
85 85 cfsetospeed(&terminos, rs232cfspeed(baudrate));
86 86 tcsetattr((int)fd, TCSANOW, &terminos);
87 87 return 0;
88 88 }
89 89 }
90 90
91 91 int rs232setparity(rs232port_t fd, rs232parity Parity)
92 92 {
93 93 if ((int)fd == -1)
94 94 {
95 95 return fd;
96 96 }
97 97 else
98 98 {
99 99 struct termios terminos;
100 100 tcgetattr((int)fd, &terminos);
101 101 terminos.c_cflag &= ~PARENB;
102 102 terminos.c_cflag &= ~PARODD;
103 103 switch(Parity)
104 104 {
105 105 case rs232parityNo:
106 106 terminos.c_cflag &= ~PARENB;
107 107 break;
108 108 case rs232parityOdd:
109 109 terminos.c_cflag |= PARENB;
110 110 terminos.c_cflag |= PARODD;
111 111 break;
112 112 case rs232parityEven:
113 113 terminos.c_cflag |= PARENB;
114 114 terminos.c_cflag &= ~PARODD;
115 115 break;
116 116 default:
117 117 terminos.c_cflag &= ~PARENB;
118 118 break;
119 119 }
120 120 tcsetattr((int)fd, TCSANOW, &terminos);
121 121 return 0;
122 122 }
123 123 }
124 124
125 125 int rs232setnbstop(rs232port_t fd, rs232stop NbStop)
126 126 {
127 127 if ((int)fd == -1)
128 128 {
129 129 return fd;
130 130 }
131 131 else
132 132 {
133 133 struct termios terminos;
134 134 tcgetattr((int)fd, &terminos);
135 135 switch(NbStop)
136 136 {
137 case 2:
137 case rs232OneStop:
138 terminos.c_cflag &= ~CSTOPB;
139 break;
140 case rs232One5Stop:
138 141 terminos.c_cflag |= CSTOPB;
139 break;
142 break;
143 case rs232TwoStop:
144 terminos.c_cflag |= CSTOPB;
145 break;
140 146 default:
141 147 terminos.c_cflag &= ~CSTOPB;
142 break;
148 break;
143 149 }
144 150 tcsetattr((int)fd, TCSANOW, &terminos);
145 151 return 0;
146 152 }
147 153 }
148 154
149 155
150 156 int rs232setcsize(rs232port_t fd, int ChSize)
151 157 {
152 158 if ((int)fd == -1)
153 159 {
154 160 return fd;
155 161 }
156 162 else
157 163 {
158 164 struct termios terminos;
159 165 tcgetattr((int)fd, &terminos);
160 166 terminos.c_cflag &= ~CSIZE;
161 167 switch(ChSize)
162 168 {
163 169 case 5:
164 170 terminos.c_cflag |= CS5;
165 171 break;
166 172 case 6:
167 173 terminos.c_cflag |= CS6;
168 174 break;
169 175 case 7:
170 176 terminos.c_cflag |= CS7;
171 177 break;
172 178 default:
173 179 terminos.c_cflag |= CS8;
174 180 break;
175 181 }
176 182 tcsetattr((int)fd, TCSANOW, &terminos);
177 183 return 0;
178 184 }
179 185 }
180 186
181 187 rs232speed_t rs232cfspeed(unsigned int BaudeRate)
182 188 {
183 189 if(BaudeRate<25)
184 190 return B0;
185 191
186 192 if(BaudeRate<67)
187 193 return B50;
188 194
189 195 if(BaudeRate<93)
190 196 return B75;
191 197
192 198 if(BaudeRate<123)
193 199 return B110;
194 200
195 201 if(BaudeRate<142)
196 202 return B134;
197 203
198 204 if(BaudeRate<175)
199 205 return B150;
200 206
201 207 if(BaudeRate<250)
202 208 return B200;
203 209
204 210 if(BaudeRate<450)
205 211 return B300;
206 212
207 213 if(BaudeRate<900)
208 214 return B600;
209 215
210 216 if(BaudeRate<1500)
211 217 return B1200;
212 218
213 219 if(BaudeRate<2100)
214 220 return B1800;
215 221
216 222 if(BaudeRate<3600)
217 223 return B2400;
218 224
219 225 if(BaudeRate<7200)
220 226 return B4800;
221 227
222 228 if(BaudeRate<1400)
223 229 return B9600;
224 230
225 231 if(BaudeRate<28800)
226 232 return B19200;
227 233
228 234 if(BaudeRate<48000)
229 235 return B38400;
230 236
231 237 if(BaudeRate<86400)
232 238 return B57600;
233 239
234 240 if(BaudeRate<172800)
235 241 return B115200;
236 242 else
237 243 return B230400;
238 244 }
239 245
240 246
241 247 int rs232cfparity(int fd, struct termios *terminos, rs232parity Parity)
242 248 {
243 249 if ((int)fd == -1)
244 250 {
245 251 return fd;
246 252 }
247 253 else
248 254 {
249 255 terminos->c_cflag &= ~PARENB;
250 256 terminos->c_cflag &= ~PARODD;
251 257 switch(Parity)
252 258 {
253 259 case rs232parityNo:
254 260 terminos->c_cflag &= ~PARENB;
255 261 terminos->c_cflag &= ~PARODD;
256 262 break;
257 263 case rs232parityOdd:
258 264 terminos->c_cflag |= PARENB;
259 265 terminos->c_cflag |= PARODD;
260 266 break;
261 267 case rs232parityEven:
262 268 terminos->c_cflag |= PARENB;
263 269 terminos->c_cflag &= ~PARODD;
264 270 break;
265 271 default:
266 272 terminos->c_cflag &= ~PARENB;
267 273 terminos->c_cflag &= ~PARODD;
268 274 break;
269 275 }
270 276 return 0;
271 277 }
272 278 }
273 279
274 280 int rs232cfnbstop(int fd, struct termios *terminos, rs232stop NbStop)
275 281 {
276 282 if ((int)fd == -1)
277 283 {
278 284 return fd;
279 285 }
280 286 else
281 287 {
282 288 switch(NbStop)
283 289 {
284 290 case 2:
285 291 terminos->c_cflag |= CSTOPB;
286 292 break;
287 293 default:
288 294 terminos->c_cflag &= ~CSTOPB;
289 295 break;
290 296 }
291 297 return 0;
292 298 }
293 299 }
294 300
295 301
296 302 int rs232cfcsize(int fd, struct termios *terminos, int ChSize)
297 303 {
298 304 if ((int)fd == -1)
299 305 {
300 306 return fd;
301 307 }
302 308 else
303 309 {
304 310 terminos->c_cflag &= ~CSIZE;
305 311 switch(ChSize)
306 312 {
307 313 case 5:
308 314 terminos->c_cflag |= CS5;
309 315 break;
310 316 case 6:
311 317 terminos->c_cflag |= CS6;
312 318 break;
313 319 case 7:
314 320 terminos->c_cflag |= CS7;
315 321 break;
316 322 default:
317 323 terminos->c_cflag |= CS8;
318 324 break;
319 325 }
320 326 return 0;
321 327 }
322 328 }
323 329
324 330
325 331 int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize)
326 332 {
327 333 if ((int)fd == -1)
328 334 {
329 335 return -1;
330 336 }
331 337 else
332 338 {
333 339 return write((int)fd, psWrite, WriteBufferSize);
334 340 }
335 341 }
336 342
337 343
338 344 int rs232read(rs232port_t fd,char *psReadHex, int ReadBufferSize)
339 345 {
340 346
341 347 if ((int)fd == -1)
342 348 {
343 349 return -1;
344 350 }
345 351 else
346 352 {
347 353 return read((int)fd, psReadHex, ReadBufferSize);
348 354 }
349 355
350 356 }
351 357
352 358
353 359 int rs232setRTS(rs232port_t fd)
354 360 {
355 361 int status;
356 362 ioctl((int)fd, TIOCMGET, &status);
357 363 status &= ~TIOCM_RTS;
358 364 if (ioctl((int)fd, TIOCMSET, &status))
359 365 {
360 366 return -1;
361 367 }
362 368 return 0;
363 369 }
364 370
365 371 int rs232clearRTS(rs232port_t fd)
366 372 {
367 373 int status;
368 374 ioctl((int)fd, TIOCMGET, &status);
369 375 status |= TIOCM_RTS;
370 376 if (ioctl((int)fd, TIOCMSET, &status))
371 377 {
372 378 return -1;
373 379 }
374 380 return 0;
375 381 }
376 382
377 383 int rs232setDTR(rs232port_t fd)
378 384 {
379 385 int status;
380 386 ioctl((int)fd, TIOCMGET, &status);
381 387 status &= ~TIOCM_DTR;
382 388 if (ioctl((int)fd, TIOCMSET, &status))
383 389 {
384 390 return -1;
385 391 }
386 392 return 0;
387 393 }
388 394
389 395
390 396 int rs232clearDTR(rs232port_t fd)
391 397 {
392 398 int status;
393 399 ioctl((int)fd, TIOCMGET, &status);
394 400 status |= TIOCM_DTR;
395 401 if (ioctl((int)fd, TIOCMSET, &status))
396 402 {
397 403 return -1;
398 404 }
399 405 return 0;
400 406 }
401 407
402 408
403 409
404 410 int rs232saferead(rs232port_t fd,char* data,int count )
405 411 {
406 412 int read=0;
407 413 int i=0;
408 414 for(i=0;i<100;i++)
409 415 {
410 416 read = rs232read((int)fd,data,count);
411 417 count -=read;
412 418 data+=read;
413 419 if(count==0)
414 420 return 0;
415 421 }
416 422 return -1;
417 423 }
418 424
419 425
420 426
421 427 int rs232safewrite(rs232port_t fd,char* data,int count)
422 428 {
423 429 int written=0;
424 430 int i=0;
425 431 for(i=0;i<1000;i++)
426 432 {
427 433 written = rs232write((int)fd,data+written,count);
428 434 count-=written;
429 435 data+=written;
430 436 if(count==0)
431 437 return 0;
432 438 }
433 439 return -1;
434 440 }
435 441
436 442 #endif
437 443 #endif //#ifdef HAVE_TERMIOS_H
438 444
@@ -1,322 +1,322
1 1 #include "rs232config.h"
2 2 #include <stdio.h>
3 3 #include <unistd.h>
4 4 #include <fcntl.h>
5 5 #include <string.h>
6 6 #include <errno.h>
7 7
8 8 #ifdef HAVE_WINDOWS_H
9 9 #include <windows.h>
10 10 #endif
11 11 #include "RS232.h"
12 12
13 13 #ifdef HAVE_WINDOWS_H
14 14
15 15
16 16 int privatedecodeparity(rs232parity Parity )
17 17 {
18 18 switch(Parity)
19 19 {
20 20 case rs232parityNo:
21 21 return NOPARITY;
22 22 break;
23 23 case rs232parityOdd:
24 24 return ODDPARITY;
25 25 break;
26 26 case rs232parityEven:
27 27 return EVENPARITY;
28 28 break;
29 29 default:
30 30 return NOPARITY;
31 31 break;
32 32 }
33 33 }
34 34
35 35 int privatedecodestop(rs232stop NbStop)
36 36 {
37 37 switch(NbStop)
38 38 {
39 39 case rs232OneStop:
40 40 return ONESTOPBIT;
41 41 break;
42 42 case rs232One5Stop:
43 43 return ONE5STOPBITS;
44 44 break;
45 45 case rs232TwoStop:
46 46 return TWOSTOPBITS;
47 47 break;
48 default;
48 default:
49 49 return ONESTOPBIT;
50 50 break;
51 51 }
52 52 }
53 53
54 54
55 55
56 56 rs232speed_t rs232cfspeed(unsigned int BaudeRate)
57 57 {
58 58
59 59 if(BaudeRate<123)
60 60 return (rs232speed_t)CBR_110;
61 61
62 62 if(BaudeRate<450)
63 63 return (rs232speed_t)CBR_300;
64 64
65 65 if(BaudeRate<900)
66 66 return (rs232speed_t)CBR_600;
67 67
68 68 if(BaudeRate<1500)
69 69 return (rs232speed_t)CBR_1200;
70 70
71 71 if(BaudeRate<3600)
72 72 return (rs232speed_t)CBR_2400;
73 73
74 74 if(BaudeRate<7200)
75 75 return (rs232speed_t)CBR_4800;
76 76
77 77 if(BaudeRate<14000)
78 78 return (rs232speed_t)CBR_9600;
79 79
80 80 if(BaudeRate<16800)
81 81 return (rs232speed_t)CBR_14400;
82 82
83 83 if(BaudeRate<28800)
84 84 return (rs232speed_t)CBR_19200;
85 85
86 86 if(BaudeRate<48000)
87 87 return (rs232speed_t)CBR_38400;
88 88
89 89 if(BaudeRate<86400)
90 90 return (rs232speed_t)CBR_57600;
91 91
92 92 if(BaudeRate<172800)
93 93 return (rs232speed_t)CBR_115200;
94 94 else
95 95 return (rs232speed_t)CBR_256000;
96 96 }
97 97
98 98
99 99 rs232port_t rs232open(char* psPortName)
100 100 {
101 101 rs232port_t fd;
102 102 fd = (rs232port_t)CreateFile(psPortName,GENERIC_READ | GENERIC_WRITE,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
103 103 #ifdef debug
104 if(fd==INVALID_HANDLE_VALUE)
104 if(fd==(rs232port_t)INVALID_HANDLE_VALUE)
105 105 {
106 106 printf("can't open Port\n");
107 107 return (rs232port_t)badPortValue;
108 108 }
109 109 #endif
110 110 return fd;
111 111 }
112 112
113 113 int rs232close(rs232port_t fd)
114 114 {
115 115 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
116 116 {
117 117 return (rs232port_t)badPortValue;
118 118 }
119 119 else
120 120 {
121 121 CloseHandle((HANDLE)fd);
122 122 return rs232noerr;
123 123 }
124 124 }
125 125
126 126 int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop)
127 127 {
128 128 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
129 129 {
130 130 return (rs232port_t)badPortValue;
131 131 }
132 132 else
133 133 {
134 134 DCB dcbSerialParams = {0};
135 135 dcbSerialParams.DCBlength=sizeof(dcbSerialParams);
136 136 GetCommState((HANDLE)fd, &dcbSerialParams);
137 137 dcbSerialParams.BaudRate=rs232cfspeed(BaudeRate);
138 138 dcbSerialParams.ByteSize=ChSize;
139 139 dcbSerialParams.StopBits=privatedecodestop(NbStop);
140 140 dcbSerialParams.Parity=privatedecodeparity(Parity);
141 141 SetCommState((HANDLE)fd, &dcbSerialParams);
142 142 COMMTIMEOUTS timeouts={0};
143 143 timeouts.ReadIntervalTimeout=100;
144 144 timeouts.ReadTotalTimeoutConstant=100;
145 145 timeouts.ReadTotalTimeoutMultiplier=1;
146 146 timeouts.WriteTotalTimeoutConstant=100;
147 147 timeouts.WriteTotalTimeoutMultiplier=10;
148 148 SetCommTimeouts((HANDLE)fd, &timeouts);
149 149 return rs232noerr;
150 150 }
151 151 }
152 152
153 153 int rs232setbaudrate(rs232port_t fd, int baudrate)
154 154 {
155 155 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
156 156 {
157 157 return (rs232port_t)badPortValue;
158 158 }
159 159 else
160 160 {
161 161 DCB dcbSerialParams = {0};
162 162 dcbSerialParams.DCBlength=sizeof(dcbSerialParams);
163 163 GetCommState((HANDLE)fd, &dcbSerialParams);
164 164 dcbSerialParams.BaudRate=rs232cfspeed(baudrate);
165 165 SetCommState((HANDLE)fd, &dcbSerialParams);
166 166 return rs232noerr;
167 167 }
168 168 }
169 169
170 170 int rs232setparity(rs232port_t fd, rs232parity Parity)
171 171 {
172 172 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
173 173 {
174 174 return (rs232port_t)badPortValue;
175 175 }
176 176 else
177 177 {
178 178 DCB dcbSerialParams = {0};
179 179 dcbSerialParams.DCBlength=sizeof(dcbSerialParams);
180 180 GetCommState((HANDLE)fd, &dcbSerialParams);
181 181 dcbSerialParams.Parity = privatedecodeparity(Parity);
182 182 SetCommState((HANDLE)fd, &dcbSerialParams);
183 183 return rs232noerr;
184 184 }
185 185 }
186 186
187 187 int rs232setnbstop(rs232port_t fd, rs232stop NbStop)
188 188 {
189 189 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
190 190 {
191 191 return (rs232port_t)badPortValue;
192 192 }
193 193 else
194 194 {
195 195 DCB dcbSerialParams = {0};
196 196 dcbSerialParams.DCBlength=sizeof(dcbSerialParams);
197 197 GetCommState((HANDLE)fd, &dcbSerialParams);
198 198 dcbSerialParams.StopBits = privatedecodestop(NbStop);
199 199 SetCommState((HANDLE)fd, &dcbSerialParams);
200 200 return rs232noerr;
201 201 }
202 202 }
203 203
204 204
205 205 int rs232setcsize(rs232port_t fd, int ChSize)
206 206 {
207 207 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
208 208 {
209 209 return (rs232port_t)badPortValue;
210 210 }
211 211 else
212 212 {
213 213 DCB dcbSerialParams = {0};
214 214 dcbSerialParams.DCBlength=sizeof(dcbSerialParams);
215 215 GetCommState((HANDLE)fd, &dcbSerialParams);
216 216 dcbSerialParams.ByteSize = ChSize;
217 217 SetCommState((HANDLE)fd, &dcbSerialParams);
218 218 return rs232noerr;
219 219 }
220 220 }
221 221
222 222
223 223
224 224
225 225
226 226
227 227 int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize)
228 228 {
229 229
230 230 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
231 231 {
232 232 return (rs232port_t)badPortValue;
233 233 }
234 234 else
235 235 {
236 236 DWORD dwBytesWriten = 0;
237 237 WriteFile((HANDLE)fd, psWrite, WriteBufferSize, &dwBytesWriten, NULL);
238 238 return dwBytesWriten;
239 239 }
240 240 }
241 241
242 242
243 243 int rs232read(rs232port_t fd,char *psRead, int ReadBufferSize)
244 244 {
245 245
246 246 if (fd == (rs232port_t)INVALID_HANDLE_VALUE)
247 247 {
248 248 return (rs232port_t)badPortValue;
249 249 }
250 250 else
251 251 {
252 252 DWORD dwBytesRead = 0;
253 253 ReadFile((HANDLE)fd, psRead, ReadBufferSize, &dwBytesRead, NULL);
254 254 return dwBytesRead;
255 255 }
256 256
257 257 }
258 258
259 259
260 260 int rs232saferead(rs232port_t fd,char* data,int count )
261 261 {
262 262 int read=0;
263 263 int i=0;
264 264 for(i=0;i<100;i++)
265 265 {
266 266 read = rs232read(fd,data,count);
267 267 count -=read;
268 268 data+=read;
269 269 if(count==0)
270 270 return rs232noerr;
271 271 }
272 272 return -1;
273 273 }
274 274
275 275
276 276
277 277 int rs232safewrite(rs232port_t fd,char* data,int count)
278 278 {
279 279 int written=0;
280 280 int i=0;
281 281 for(i=0;i<1000;i++)
282 282 {
283 283 written = rs232write(fd,data+written,count);
284 284 count-=written;
285 285 data+=written;
286 286 if(count==0)
287 287 return rs232noerr;
288 288 }
289 289 return -1;
290 290 }
291 291
292 292
293 293 int rs232setRTS(rs232port_t fd)
294 294 {
295 295 if(EscapeCommFunction((HANDLE)fd, CLRRTS))
296 296 return rs232noerr;
297 297 return -1;
298 298 }
299 299
300 300 int rs232clearRTS(rs232port_t fd)
301 301 {
302 302 if(EscapeCommFunction((HANDLE)fd, SETRTS))
303 303 return rs232noerr;
304 304 return -1;
305 305 }
306 306
307 307 int rs232setDTR(rs232port_t fd)
308 308 {
309 309 if(EscapeCommFunction((HANDLE)fd, CLRDTR))
310 310 return rs232noerr;
311 311 return -1;
312 312 }
313 313
314 314
315 315 int rs232clearDTR(rs232port_t fd)
316 316 {
317 317 if(EscapeCommFunction((HANDLE)fd, SETDTR))
318 318 return rs232noerr;
319 319 return -1;
320 320 }
321 321
322 322 #endif //#ifdef HAVE_WINDOWS_H
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