@@ -1,364 +1,365 | |||
|
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 | #include <malloc.h> |
|
8 | 8 | |
|
9 | 9 | #ifdef HAVE_WINDOWS_H |
|
10 | 10 | #include <windows.h> |
|
11 | 11 | #endif |
|
12 | 12 | #include "RS232.h" |
|
13 | 13 | |
|
14 | 14 | #ifdef HAVE_WINDOWS_H |
|
15 | 15 | |
|
16 | 16 | |
|
17 | 17 | int privatedecodeparity(rs232parity Parity ) |
|
18 | 18 | { |
|
19 | 19 | switch(Parity) |
|
20 | 20 | { |
|
21 | 21 | case rs232parityNo: |
|
22 | 22 | return NOPARITY; |
|
23 | 23 | break; |
|
24 | 24 | case rs232parityOdd: |
|
25 | 25 | return ODDPARITY; |
|
26 | 26 | break; |
|
27 | 27 | case rs232parityEven: |
|
28 | 28 | return EVENPARITY; |
|
29 | 29 | break; |
|
30 | 30 | default: |
|
31 | 31 | return NOPARITY; |
|
32 | 32 | break; |
|
33 | 33 | } |
|
34 | 34 | } |
|
35 | 35 | |
|
36 | 36 | int privatedecodestop(rs232stop NbStop) |
|
37 | 37 | { |
|
38 | 38 | switch(NbStop) |
|
39 | 39 | { |
|
40 | 40 | case rs232OneStop: |
|
41 | 41 | return ONESTOPBIT; |
|
42 | 42 | break; |
|
43 | 43 | case rs232One5Stop: |
|
44 | 44 | return ONE5STOPBITS; |
|
45 | 45 | break; |
|
46 | 46 | case rs232TwoStop: |
|
47 | 47 | return TWOSTOPBITS; |
|
48 | 48 | break; |
|
49 | 49 | default: |
|
50 | 50 | return ONESTOPBIT; |
|
51 | 51 | break; |
|
52 | 52 | } |
|
53 | 53 | } |
|
54 | 54 | |
|
55 | 55 | |
|
56 | 56 | |
|
57 | 57 | rs232speed_t rs232cfspeed(unsigned int BaudeRate) |
|
58 | 58 | { |
|
59 | 59 | |
|
60 | 60 | if(BaudeRate<123) |
|
61 | 61 | return (rs232speed_t)CBR_110; |
|
62 | 62 | |
|
63 | 63 | if(BaudeRate<450) |
|
64 | 64 | return (rs232speed_t)CBR_300; |
|
65 | 65 | |
|
66 | 66 | if(BaudeRate<900) |
|
67 | 67 | return (rs232speed_t)CBR_600; |
|
68 | 68 | |
|
69 | 69 | if(BaudeRate<1500) |
|
70 | 70 | return (rs232speed_t)CBR_1200; |
|
71 | 71 | |
|
72 | 72 | if(BaudeRate<3600) |
|
73 | 73 | return (rs232speed_t)CBR_2400; |
|
74 | 74 | |
|
75 | 75 | if(BaudeRate<7200) |
|
76 | 76 | return (rs232speed_t)CBR_4800; |
|
77 | 77 | |
|
78 | 78 | if(BaudeRate<14000) |
|
79 | 79 | return (rs232speed_t)CBR_9600; |
|
80 | 80 | |
|
81 | 81 | if(BaudeRate<16800) |
|
82 | 82 | return (rs232speed_t)CBR_14400; |
|
83 | 83 | |
|
84 | 84 | if(BaudeRate<28800) |
|
85 | 85 | return (rs232speed_t)CBR_19200; |
|
86 | 86 | |
|
87 | 87 | if(BaudeRate<48000) |
|
88 | 88 | return (rs232speed_t)CBR_38400; |
|
89 | 89 | |
|
90 | 90 | if(BaudeRate<86400) |
|
91 | 91 | return (rs232speed_t)CBR_57600; |
|
92 | 92 | |
|
93 | 93 | if(BaudeRate<172800) |
|
94 | 94 | return (rs232speed_t)CBR_115200; |
|
95 | 95 | else |
|
96 | 96 | return (rs232speed_t)CBR_256000; |
|
97 | 97 | } |
|
98 | 98 | |
|
99 | 99 | |
|
100 | 100 | rs232port_t rs232open(char* psPortName) |
|
101 | 101 | { |
|
102 | 102 | rs232port_t fd; |
|
103 | 103 | fd = (rs232port_t)CreateFile(psPortName,GENERIC_READ | GENERIC_WRITE,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0); |
|
104 | 104 | #ifdef debug |
|
105 | 105 | if(fd==(rs232port_t)INVALID_HANDLE_VALUE) |
|
106 | 106 | { |
|
107 | 107 | printf("can't open Port\n"); |
|
108 | 108 | return (rs232port_t)badPortValue; |
|
109 | 109 | } |
|
110 | 110 | #endif |
|
111 | 111 | return fd; |
|
112 | 112 | } |
|
113 | 113 | |
|
114 | 114 | int rs232close(rs232port_t fd) |
|
115 | 115 | { |
|
116 | 116 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
117 | 117 | { |
|
118 | 118 | return (rs232port_t)badPortValue; |
|
119 | 119 | } |
|
120 | 120 | else |
|
121 | 121 | { |
|
122 | 122 | CloseHandle((HANDLE)fd); |
|
123 | 123 | return rs232noerr; |
|
124 | 124 | } |
|
125 | 125 | } |
|
126 | 126 | |
|
127 | 127 | rs232portslist_t* rs232getportlist() //here is the very dirty way! |
|
128 | 128 | { |
|
129 | 129 | int i=0; |
|
130 | 130 | char devName[]="COM111"; |
|
131 | 131 | rs232port_t testport; |
|
132 | 132 | rs232portslist_t* firstitem=NULL; |
|
133 | 133 | rs232portslist_t* previtem=NULL; |
|
134 | 134 | for(i=0;i<256;i++) |
|
135 | 135 | { |
|
136 | 136 | devName[3] = '\0'; |
|
137 | 137 | devName[4] = '\0'; |
|
138 | 138 | devName[5] = '\0'; |
|
139 | 139 | devName[6] = '\0'; |
|
140 | 140 | sprintf(devName+3,"%d",i); |
|
141 | 141 | testport= rs232open(devName); |
|
142 | 142 | if(testport != (rs232port_t)badPortValue) |
|
143 | 143 | { |
|
144 | 144 | rs232portslist_t* item = (rs232portslist_t*)malloc(sizeof(rs232portslist_t)); |
|
145 | 145 | char* name = (char*)malloc(7); |
|
146 | 146 | strcpy(name,devName); |
|
147 | 147 | item->name = name; |
|
148 | 148 | item->next = NULL; |
|
149 | 149 | if(NULL!=previtem)previtem->next = item; |
|
150 | 150 | previtem = item; |
|
151 | 151 | if(NULL==firstitem)firstitem = item; |
|
152 | rs232close(devName); | |
|
152 | 153 | } |
|
153 | 154 | } |
|
154 | 155 | return firstitem; |
|
155 | 156 | } |
|
156 | 157 | |
|
157 | 158 | void rs232deleteportlist(rs232portslist_t* list) |
|
158 | 159 | { |
|
159 | 160 | if(list!=NULL) |
|
160 | 161 | { |
|
161 | 162 | if(list->next != NULL) |
|
162 | 163 | rs232deleteportlist(list->next); |
|
163 | 164 | free(list); |
|
164 | 165 | } |
|
165 | 166 | } |
|
166 | 167 | |
|
167 | 168 | |
|
168 | 169 | int rs232setup(rs232port_t fd, int ChSize, int BaudeRate, rs232parity Parity, rs232stop NbStop) |
|
169 | 170 | { |
|
170 | 171 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
171 | 172 | { |
|
172 | 173 | return (rs232port_t)badPortValue; |
|
173 | 174 | } |
|
174 | 175 | else |
|
175 | 176 | { |
|
176 | 177 | DCB dcbSerialParams = {0}; |
|
177 | 178 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
178 | 179 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
179 | 180 | dcbSerialParams.BaudRate=rs232cfspeed(BaudeRate); |
|
180 | 181 | dcbSerialParams.ByteSize=ChSize; |
|
181 | 182 | dcbSerialParams.StopBits=privatedecodestop(NbStop); |
|
182 | 183 | dcbSerialParams.Parity=privatedecodeparity(Parity); |
|
183 | 184 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
184 | 185 | COMMTIMEOUTS timeouts={0}; |
|
185 | 186 | timeouts.ReadIntervalTimeout=100; |
|
186 | 187 | timeouts.ReadTotalTimeoutConstant=100; |
|
187 | 188 | timeouts.ReadTotalTimeoutMultiplier=1; |
|
188 | 189 | timeouts.WriteTotalTimeoutConstant=100; |
|
189 | 190 | timeouts.WriteTotalTimeoutMultiplier=10; |
|
190 | 191 | SetCommTimeouts((HANDLE)fd, &timeouts); |
|
191 | 192 | return rs232noerr; |
|
192 | 193 | } |
|
193 | 194 | } |
|
194 | 195 | |
|
195 | 196 | int rs232setbaudrate(rs232port_t fd, int baudrate) |
|
196 | 197 | { |
|
197 | 198 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
198 | 199 | { |
|
199 | 200 | return (rs232port_t)badPortValue; |
|
200 | 201 | } |
|
201 | 202 | else |
|
202 | 203 | { |
|
203 | 204 | DCB dcbSerialParams = {0}; |
|
204 | 205 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
205 | 206 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
206 | 207 | dcbSerialParams.BaudRate=rs232cfspeed(baudrate); |
|
207 | 208 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
208 | 209 | return rs232noerr; |
|
209 | 210 | } |
|
210 | 211 | } |
|
211 | 212 | |
|
212 | 213 | int rs232setparity(rs232port_t fd, rs232parity Parity) |
|
213 | 214 | { |
|
214 | 215 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
215 | 216 | { |
|
216 | 217 | return (rs232port_t)badPortValue; |
|
217 | 218 | } |
|
218 | 219 | else |
|
219 | 220 | { |
|
220 | 221 | DCB dcbSerialParams = {0}; |
|
221 | 222 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
222 | 223 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
223 | 224 | dcbSerialParams.Parity = privatedecodeparity(Parity); |
|
224 | 225 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
225 | 226 | return rs232noerr; |
|
226 | 227 | } |
|
227 | 228 | } |
|
228 | 229 | |
|
229 | 230 | int rs232setnbstop(rs232port_t fd, rs232stop NbStop) |
|
230 | 231 | { |
|
231 | 232 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
232 | 233 | { |
|
233 | 234 | return (rs232port_t)badPortValue; |
|
234 | 235 | } |
|
235 | 236 | else |
|
236 | 237 | { |
|
237 | 238 | DCB dcbSerialParams = {0}; |
|
238 | 239 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
239 | 240 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
240 | 241 | dcbSerialParams.StopBits = privatedecodestop(NbStop); |
|
241 | 242 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
242 | 243 | return rs232noerr; |
|
243 | 244 | } |
|
244 | 245 | } |
|
245 | 246 | |
|
246 | 247 | |
|
247 | 248 | int rs232setcsize(rs232port_t fd, int ChSize) |
|
248 | 249 | { |
|
249 | 250 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
250 | 251 | { |
|
251 | 252 | return (rs232port_t)badPortValue; |
|
252 | 253 | } |
|
253 | 254 | else |
|
254 | 255 | { |
|
255 | 256 | DCB dcbSerialParams = {0}; |
|
256 | 257 | dcbSerialParams.DCBlength=sizeof(dcbSerialParams); |
|
257 | 258 | GetCommState((HANDLE)fd, &dcbSerialParams); |
|
258 | 259 | dcbSerialParams.ByteSize = ChSize; |
|
259 | 260 | SetCommState((HANDLE)fd, &dcbSerialParams); |
|
260 | 261 | return rs232noerr; |
|
261 | 262 | } |
|
262 | 263 | } |
|
263 | 264 | |
|
264 | 265 | |
|
265 | 266 | |
|
266 | 267 | |
|
267 | 268 | |
|
268 | 269 | |
|
269 | 270 | int rs232write(rs232port_t fd,char *psWrite, int WriteBufferSize) |
|
270 | 271 | { |
|
271 | 272 | |
|
272 | 273 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
273 | 274 | { |
|
274 | 275 | return (rs232port_t)badPortValue; |
|
275 | 276 | } |
|
276 | 277 | else |
|
277 | 278 | { |
|
278 | 279 | DWORD dwBytesWriten = 0; |
|
279 | 280 | WriteFile((HANDLE)fd, psWrite, WriteBufferSize, &dwBytesWriten, NULL); |
|
280 | 281 | return dwBytesWriten; |
|
281 | 282 | } |
|
282 | 283 | } |
|
283 | 284 | |
|
284 | 285 | |
|
285 | 286 | int rs232read(rs232port_t fd,char *psRead, int ReadBufferSize) |
|
286 | 287 | { |
|
287 | 288 | |
|
288 | 289 | if (fd == (rs232port_t)INVALID_HANDLE_VALUE) |
|
289 | 290 | { |
|
290 | 291 | return (rs232port_t)badPortValue; |
|
291 | 292 | } |
|
292 | 293 | else |
|
293 | 294 | { |
|
294 | 295 | DWORD dwBytesRead = 0; |
|
295 | 296 | ReadFile((HANDLE)fd, psRead, ReadBufferSize, &dwBytesRead, NULL); |
|
296 | 297 | return dwBytesRead; |
|
297 | 298 | } |
|
298 | 299 | |
|
299 | 300 | } |
|
300 | 301 | |
|
301 | 302 | |
|
302 | 303 | int rs232saferead(rs232port_t fd,char* data,int count ) |
|
303 | 304 | { |
|
304 | 305 | int read=0; |
|
305 | 306 | int i=0; |
|
306 | 307 | for(i=0;i<100;i++) |
|
307 | 308 | { |
|
308 | 309 | read = rs232read(fd,data,count); |
|
309 | 310 | count -=read; |
|
310 | 311 | data+=read; |
|
311 | 312 | if(count==0) |
|
312 | 313 | return rs232noerr; |
|
313 | 314 | } |
|
314 | 315 | return -1; |
|
315 | 316 | } |
|
316 | 317 | |
|
317 | 318 | |
|
318 | 319 | |
|
319 | 320 | int rs232safewrite(rs232port_t fd,char* data,int count) |
|
320 | 321 | { |
|
321 | 322 | int written=0; |
|
322 | 323 | int i=0; |
|
323 | 324 | for(i=0;i<1000;i++) |
|
324 | 325 | { |
|
325 | 326 | written = rs232write(fd,data+written,count); |
|
326 | 327 | count-=written; |
|
327 | 328 | data+=written; |
|
328 | 329 | if(count==0) |
|
329 | 330 | return rs232noerr; |
|
330 | 331 | } |
|
331 | 332 | return -1; |
|
332 | 333 | } |
|
333 | 334 | |
|
334 | 335 | |
|
335 | 336 | int rs232setRTS(rs232port_t fd) |
|
336 | 337 | { |
|
337 | 338 | if(EscapeCommFunction((HANDLE)fd, CLRRTS)) |
|
338 | 339 | return rs232noerr; |
|
339 | 340 | return -1; |
|
340 | 341 | } |
|
341 | 342 | |
|
342 | 343 | int rs232clearRTS(rs232port_t fd) |
|
343 | 344 | { |
|
344 | 345 | if(EscapeCommFunction((HANDLE)fd, SETRTS)) |
|
345 | 346 | return rs232noerr; |
|
346 | 347 | return -1; |
|
347 | 348 | } |
|
348 | 349 | |
|
349 | 350 | int rs232setDTR(rs232port_t fd) |
|
350 | 351 | { |
|
351 | 352 | if(EscapeCommFunction((HANDLE)fd, CLRDTR)) |
|
352 | 353 | return rs232noerr; |
|
353 | 354 | return -1; |
|
354 | 355 | } |
|
355 | 356 | |
|
356 | 357 | |
|
357 | 358 | int rs232clearDTR(rs232port_t fd) |
|
358 | 359 | { |
|
359 | 360 | if(EscapeCommFunction((HANDLE)fd, SETDTR)) |
|
360 | 361 | return rs232noerr; |
|
361 | 362 | return -1; |
|
362 | 363 | } |
|
363 | 364 | |
|
364 | 365 | #endif //#ifdef HAVE_WINDOWS_H |
General Comments 0
You need to be logged in to leave comments.
Login now