| 1 |
#include <unistd.h> |
| 2 |
#include <fcntl.h> |
| 3 |
#include <termios.h> |
| 4 |
#include <strings.h> |
| 5 |
#include "rdesktop.h" |
| 6 |
|
| 7 |
#define FILE_DEVICE_SERIAL_PORT 0x1b |
| 8 |
|
| 9 |
#define SERIAL_SET_BAUD_RATE 1 |
| 10 |
#define SERIAL_SET_QUEUE_SIZE 2 |
| 11 |
#define SERIAL_SET_LINE_CONTROL 3 |
| 12 |
#define SERIAL_SET_BREAK_ON 4 |
| 13 |
#define SERIAL_SET_BREAK_OFF 5 |
| 14 |
#define SERIAL_IMMEDIATE_CHAR 6 |
| 15 |
#define SERIAL_SET_TIMEOUTS 7 |
| 16 |
#define SERIAL_GET_TIMEOUTS 8 |
| 17 |
#define SERIAL_SET_DTR 9 |
| 18 |
#define SERIAL_CLR_DTR 10 |
| 19 |
#define SERIAL_RESET_DEVICE 11 |
| 20 |
#define SERIAL_SET_RTS 12 |
| 21 |
#define SERIAL_CLR_RTS 13 |
| 22 |
#define SERIAL_SET_XOFF 14 |
| 23 |
#define SERIAL_SET_XON 15 |
| 24 |
#define SERIAL_GET_WAIT_MASK 16 |
| 25 |
#define SERIAL_SET_WAIT_MASK 17 |
| 26 |
#define SERIAL_WAIT_ON_MASK 18 |
| 27 |
#define SERIAL_PURGE 19 |
| 28 |
#define SERIAL_GET_BAUD_RATE 20 |
| 29 |
#define SERIAL_GET_LINE_CONTROL 21 |
| 30 |
#define SERIAL_GET_CHARS 22 |
| 31 |
#define SERIAL_SET_CHARS 23 |
| 32 |
#define SERIAL_GET_HANDFLOW 24 |
| 33 |
#define SERIAL_SET_HANDFLOW 25 |
| 34 |
#define SERIAL_GET_MODEMSTATUS 26 |
| 35 |
#define SERIAL_GET_COMMSTATUS 27 |
| 36 |
#define SERIAL_XOFF_COUNTER 28 |
| 37 |
#define SERIAL_GET_PROPERTIES 29 |
| 38 |
#define SERIAL_GET_DTRRTS 30 |
| 39 |
#define SERIAL_LSRMST_INSERT 31 |
| 40 |
#define SERIAL_CONFIG_SIZE 32 |
| 41 |
#define SERIAL_GET_COMMCONFIG 33 |
| 42 |
#define SERIAL_SET_COMMCONFIG 34 |
| 43 |
#define SERIAL_GET_STATS 35 |
| 44 |
#define SERIAL_CLEAR_STATS 36 |
| 45 |
#define SERIAL_GET_MODEM_CONTROL 37 |
| 46 |
#define SERIAL_SET_MODEM_CONTROL 38 |
| 47 |
#define SERIAL_SET_FIFO_CONTROL 39 |
| 48 |
|
| 49 |
#define STOP_BITS_1 0 |
| 50 |
#define STOP_BITS_2 2 |
| 51 |
|
| 52 |
#define NO_PARITY 0 |
| 53 |
#define ODD_PARITY 1 |
| 54 |
#define EVEN_PARITY 2 |
| 55 |
|
| 56 |
extern RDPDR_DEVICE g_rdpdr_device[]; |
| 57 |
|
| 58 |
int serial_fd; |
| 59 |
struct termios termios; |
| 60 |
|
| 61 |
int dtr; |
| 62 |
uint32 baud_rate; |
| 63 |
uint32 queue_in_size, queue_out_size; |
| 64 |
uint32 wait_mask; |
| 65 |
uint8 stop_bits, parity, word_length; |
| 66 |
|
| 67 |
SERIAL_DEVICE * get_serial_info(HANDLE handle) |
| 68 |
{ |
| 69 |
int index; |
| 70 |
|
| 71 |
for (index = 0; index < RDPDR_MAX_DEVICES; index++) |
| 72 |
{ |
| 73 |
if (handle == g_rdpdr_device[index].handle) |
| 74 |
return (SERIAL_DEVICE *) g_rdpdr_device[index].pdevice_data; |
| 75 |
} |
| 76 |
return NULL; |
| 77 |
} |
| 78 |
|
| 79 |
BOOL |
| 80 |
get_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd) |
| 81 |
{ |
| 82 |
speed_t speed; |
| 83 |
struct termios *ptermios; |
| 84 |
|
| 85 |
ptermios = pser_inf->ptermios; |
| 86 |
|
| 87 |
if (tcgetattr(serial_fd, ptermios) == -1) |
| 88 |
return False; |
| 89 |
|
| 90 |
speed = cfgetispeed(ptermios); |
| 91 |
switch (speed) |
| 92 |
{ |
| 93 |
#ifdef B75 |
| 94 |
case B75: |
| 95 |
pser_inf->baud_rate = 75; |
| 96 |
break; |
| 97 |
#endif |
| 98 |
#ifdef B110 |
| 99 |
case B110: |
| 100 |
pser_inf->baud_rate = 110; |
| 101 |
break; |
| 102 |
#endif |
| 103 |
#ifdef B134 |
| 104 |
case B134: |
| 105 |
pser_inf->baud_rate = 134; |
| 106 |
break; |
| 107 |
#endif |
| 108 |
#ifdef B150 |
| 109 |
case B150: |
| 110 |
pser_inf->baud_rate = 150; |
| 111 |
break; |
| 112 |
#endif |
| 113 |
#ifdef B300 |
| 114 |
case B300: |
| 115 |
pser_inf->baud_rate = 300; |
| 116 |
break; |
| 117 |
#endif |
| 118 |
#ifdef B600 |
| 119 |
case B600: |
| 120 |
pser_inf->baud_rate = 600; |
| 121 |
break; |
| 122 |
#endif |
| 123 |
#ifdef B1200 |
| 124 |
case B1200: |
| 125 |
pser_inf->baud_rate = 1200; |
| 126 |
break; |
| 127 |
#endif |
| 128 |
#ifdef B1800 |
| 129 |
case B1800: |
| 130 |
pser_inf->baud_rate = 1800; |
| 131 |
break; |
| 132 |
#endif |
| 133 |
#ifdef B2400 |
| 134 |
case B2400: |
| 135 |
pser_inf->baud_rate = 2400; |
| 136 |
break; |
| 137 |
#endif |
| 138 |
#ifdef B4800 |
| 139 |
case B4800: |
| 140 |
pser_inf->baud_rate = 4800; |
| 141 |
break; |
| 142 |
#endif |
| 143 |
#ifdef B9600 |
| 144 |
case B9600: |
| 145 |
pser_inf->baud_rate = 9600; |
| 146 |
break; |
| 147 |
#endif |
| 148 |
#ifdef B19200 |
| 149 |
case B19200: |
| 150 |
pser_inf->baud_rate = 19200; |
| 151 |
break; |
| 152 |
#endif |
| 153 |
#ifdef B38400 |
| 154 |
case B38400: |
| 155 |
pser_inf->baud_rate = 38400; |
| 156 |
break; |
| 157 |
#endif |
| 158 |
#ifdef B57600 |
| 159 |
case B57600: |
| 160 |
pser_inf->baud_rate = 57600; |
| 161 |
break; |
| 162 |
#endif |
| 163 |
#ifdef B115200 |
| 164 |
case B115200: |
| 165 |
pser_inf->baud_rate = 115200; |
| 166 |
break; |
| 167 |
#endif |
| 168 |
default: |
| 169 |
pser_inf->baud_rate = 0; |
| 170 |
break; |
| 171 |
} |
| 172 |
|
| 173 |
speed = cfgetospeed(ptermios); |
| 174 |
pser_inf->dtr = (speed == B0) ? 0 : 1; |
| 175 |
|
| 176 |
pser_inf->stop_bits = (ptermios->c_cflag & CSTOPB) ? STOP_BITS_2 : STOP_BITS_1; |
| 177 |
pser_inf->parity = |
| 178 |
(ptermios-> |
| 179 |
c_cflag & PARENB) ? ((ptermios-> |
| 180 |
c_cflag & PARODD) ? ODD_PARITY : EVEN_PARITY) : NO_PARITY; |
| 181 |
switch (ptermios->c_cflag & CSIZE) |
| 182 |
{ |
| 183 |
case CS5: |
| 184 |
pser_inf->word_length = 5; |
| 185 |
break; |
| 186 |
case CS6: |
| 187 |
pser_inf->word_length = 6; |
| 188 |
break; |
| 189 |
case CS7: |
| 190 |
pser_inf->word_length = 7; |
| 191 |
break; |
| 192 |
default: |
| 193 |
pser_inf->word_length = 8; |
| 194 |
break; |
| 195 |
} |
| 196 |
|
| 197 |
return True; |
| 198 |
} |
| 199 |
|
| 200 |
static void |
| 201 |
set_termios(void) |
| 202 |
{ |
| 203 |
speed_t speed; |
| 204 |
|
| 205 |
switch (baud_rate) |
| 206 |
{ |
| 207 |
#ifdef B75 |
| 208 |
case 75: |
| 209 |
speed = B75; |
| 210 |
break; |
| 211 |
#endif |
| 212 |
#ifdef B110 |
| 213 |
case 110: |
| 214 |
speed = B110; |
| 215 |
break; |
| 216 |
#endif |
| 217 |
#ifdef B134 |
| 218 |
case 134: |
| 219 |
speed = B134; |
| 220 |
break; |
| 221 |
#endif |
| 222 |
#ifdef B150 |
| 223 |
case 150: |
| 224 |
speed = B150; |
| 225 |
break; |
| 226 |
#endif |
| 227 |
#ifdef B300 |
| 228 |
case 300: |
| 229 |
speed = B300; |
| 230 |
break; |
| 231 |
#endif |
| 232 |
#ifdef B600 |
| 233 |
case 600: |
| 234 |
speed = B600; |
| 235 |
break; |
| 236 |
#endif |
| 237 |
#ifdef B1200 |
| 238 |
case 1200: |
| 239 |
speed = B1200; |
| 240 |
break; |
| 241 |
#endif |
| 242 |
#ifdef B1800 |
| 243 |
case 1800: |
| 244 |
speed = B1800; |
| 245 |
break; |
| 246 |
#endif |
| 247 |
#ifdef B2400 |
| 248 |
case 2400: |
| 249 |
speed = B2400; |
| 250 |
break; |
| 251 |
#endif |
| 252 |
#ifdef B4800 |
| 253 |
case 4800: |
| 254 |
speed = B4800; |
| 255 |
break; |
| 256 |
#endif |
| 257 |
#ifdef B9600 |
| 258 |
case 9600: |
| 259 |
speed = B9600; |
| 260 |
break; |
| 261 |
#endif |
| 262 |
#ifdef B19200 |
| 263 |
case 19200: |
| 264 |
speed = B19200; |
| 265 |
break; |
| 266 |
#endif |
| 267 |
#ifdef B38400 |
| 268 |
case 38400: |
| 269 |
speed = B38400; |
| 270 |
break; |
| 271 |
#endif |
| 272 |
#ifdef B57600 |
| 273 |
case 57600: |
| 274 |
speed = B57600; |
| 275 |
break; |
| 276 |
#endif |
| 277 |
#ifdef B115200 |
| 278 |
case 115200: |
| 279 |
speed = B115200; |
| 280 |
break; |
| 281 |
#endif |
| 282 |
default: |
| 283 |
speed = B0; |
| 284 |
break; |
| 285 |
} |
| 286 |
|
| 287 |
/* on systems with separate ispeed and ospeed, we can remember the speed |
| 288 |
in ispeed while changing DTR with ospeed */ |
| 289 |
cfsetispeed(&termios, speed); |
| 290 |
cfsetospeed(&termios, dtr ? speed : 0); |
| 291 |
|
| 292 |
termios.c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE); |
| 293 |
switch (stop_bits) |
| 294 |
{ |
| 295 |
case STOP_BITS_2: |
| 296 |
termios.c_cflag |= CSTOPB; |
| 297 |
break; |
| 298 |
} |
| 299 |
switch (parity) |
| 300 |
{ |
| 301 |
case EVEN_PARITY: |
| 302 |
termios.c_cflag |= PARENB; |
| 303 |
break; |
| 304 |
case ODD_PARITY: |
| 305 |
termios.c_cflag |= PARENB | PARODD; |
| 306 |
break; |
| 307 |
} |
| 308 |
switch (word_length) |
| 309 |
{ |
| 310 |
case 5: |
| 311 |
termios.c_cflag |= CS5; |
| 312 |
break; |
| 313 |
case 6: |
| 314 |
termios.c_cflag |= CS6; |
| 315 |
break; |
| 316 |
case 7: |
| 317 |
termios.c_cflag |= CS7; |
| 318 |
break; |
| 319 |
default: |
| 320 |
termios.c_cflag |= CS8; |
| 321 |
break; |
| 322 |
} |
| 323 |
|
| 324 |
tcsetattr(serial_fd, TCSANOW, &termios); |
| 325 |
} |
| 326 |
|
| 327 |
/* Enumeration of devices from rdesktop.c */ |
| 328 |
/* returns numer of units found and initialized. */ |
| 329 |
/* optarg looks like ':com1=/dev/ttyS0' */ |
| 330 |
/* when it arrives to this function. */ |
| 331 |
/* :com1=/dev/ttyS0,com2=/dev/ttyS1 */ |
| 332 |
int |
| 333 |
serial_enum_devices(int *id, char *optarg) |
| 334 |
{ |
| 335 |
SERIAL_DEVICE *pser_inf; |
| 336 |
|
| 337 |
char *pos = optarg; |
| 338 |
char *pos2; |
| 339 |
int count = 0; |
| 340 |
|
| 341 |
// skip the first colon |
| 342 |
optarg++; |
| 343 |
while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES) |
| 344 |
{ |
| 345 |
// Init data structures for device |
| 346 |
pser_inf = (SERIAL_DEVICE *) xmalloc(sizeof(SERIAL_DEVICE)); |
| 347 |
pser_inf->ptermios = (struct termios *) xmalloc(sizeof(struct termios)); |
| 348 |
pser_inf->pold_termios = (struct termios *) xmalloc(sizeof(struct termios)); |
| 349 |
|
| 350 |
pos2 = next_arg(optarg, '='); |
| 351 |
strcpy(g_rdpdr_device[*id].name, optarg); |
| 352 |
|
| 353 |
toupper_str(g_rdpdr_device[*id].name); |
| 354 |
|
| 355 |
g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1); |
| 356 |
strcpy(g_rdpdr_device[*id].local_path, pos2); |
| 357 |
printf("SERIAL %s to %s\n", g_rdpdr_device[*id].name, |
| 358 |
g_rdpdr_device[*id].local_path); |
| 359 |
// set device type |
| 360 |
g_rdpdr_device[*id].device_type = DEVICE_TYPE_SERIAL; |
| 361 |
g_rdpdr_device[*id].pdevice_data = (void *) pser_inf; |
| 362 |
count++; |
| 363 |
(*id)++; |
| 364 |
|
| 365 |
optarg = pos; |
| 366 |
} |
| 367 |
return count; |
| 368 |
} |
| 369 |
|
| 370 |
NTSTATUS |
| 371 |
serial_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, |
| 372 |
uint32 flags_and_attributes, char *filename, HANDLE * handle) |
| 373 |
{ |
| 374 |
HANDLE serial_fd; |
| 375 |
SERIAL_DEVICE *pser_inf; |
| 376 |
struct termios *ptermios; |
| 377 |
|
| 378 |
pser_inf = (SERIAL_DEVICE *) g_rdpdr_device[device_id].pdevice_data; |
| 379 |
ptermios = pser_inf->ptermios; |
| 380 |
serial_fd = open(g_rdpdr_device[device_id].local_path, O_RDWR | O_NOCTTY); |
| 381 |
|
| 382 |
if (serial_fd == -1) |
| 383 |
return STATUS_ACCESS_DENIED; |
| 384 |
|
| 385 |
if (!get_termios(pser_inf, serial_fd)) |
| 386 |
return STATUS_ACCESS_DENIED; |
| 387 |
|
| 388 |
// Store handle for later use |
| 389 |
g_rdpdr_device[device_id].handle = serial_fd; |
| 390 |
|
| 391 |
/* some sane information */ |
| 392 |
printf("INFO: SERIAL %s to %s\nINFO: speed %u baud, stop bits %u, parity %u, word length %u bits, dtr %u\n", g_rdpdr_device[device_id].name, g_rdpdr_device[device_id].local_path, pser_inf->baud_rate, pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length, pser_inf->dtr); |
| 393 |
printf("INFO: use stty to change settings\n"); |
| 394 |
|
| 395 |
//tcgetattr(serial_fd, pser_inf->ptermios); |
| 396 |
|
| 397 |
*handle = serial_fd; |
| 398 |
return STATUS_SUCCESS; |
| 399 |
} |
| 400 |
|
| 401 |
static NTSTATUS |
| 402 |
serial_close(HANDLE handle) |
| 403 |
{ |
| 404 |
close(serial_fd); |
| 405 |
return STATUS_SUCCESS; |
| 406 |
} |
| 407 |
|
| 408 |
NTSTATUS |
| 409 |
serial_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
| 410 |
{ |
| 411 |
long timeout; |
| 412 |
SERIAL_DEVICE *pser_inf; |
| 413 |
struct termios *ptermios; |
| 414 |
|
| 415 |
timeout = 0; |
| 416 |
pser_inf = get_serial_info(handle); |
| 417 |
ptermios = pser_inf->ptermios; |
| 418 |
|
| 419 |
// Set timeouts kind of like the windows serial timeout parameters. Multiply timeout |
| 420 |
// with requested read size |
| 421 |
if (pser_inf->read_total_timeout_multiplier | pser_inf->read_total_timeout_constant) |
| 422 |
{ |
| 423 |
timeout = |
| 424 |
(pser_inf->read_total_timeout_multiplier * length + |
| 425 |
pser_inf->read_total_timeout_constant + 99) / 100; |
| 426 |
} |
| 427 |
else if (pser_inf->read_interval_timeout) |
| 428 |
{ |
| 429 |
timeout = (pser_inf->read_interval_timeout * length + 99) / 100; |
| 430 |
} |
| 431 |
|
| 432 |
// If a timeout is set, do a blocking read, which times out after some time. |
| 433 |
// It will make rdesktop less responsive, but it will improve serial performance, by not |
| 434 |
// reading one character at a time. |
| 435 |
if (timeout == 0) |
| 436 |
{ |
| 437 |
ptermios->c_cc[VTIME] = 0; |
| 438 |
ptermios->c_cc[VMIN] = 0; |
| 439 |
} |
| 440 |
else |
| 441 |
{ |
| 442 |
ptermios->c_cc[VTIME] = timeout; |
| 443 |
ptermios->c_cc[VMIN] = 1; |
| 444 |
} |
| 445 |
tcsetattr(handle, TCSANOW, ptermios); |
| 446 |
|
| 447 |
*result = read(handle, data, length); |
| 448 |
return STATUS_SUCCESS; |
| 449 |
} |
| 450 |
|
| 451 |
NTSTATUS |
| 452 |
serial_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
| 453 |
{ |
| 454 |
*result = write(handle, data, length); |
| 455 |
return STATUS_SUCCESS; |
| 456 |
} |
| 457 |
|
| 458 |
static NTSTATUS |
| 459 |
serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) |
| 460 |
{ |
| 461 |
uint32 result; |
| 462 |
uint8 immediate; |
| 463 |
|
| 464 |
if ((request >> 16) != FILE_DEVICE_SERIAL_PORT) |
| 465 |
return STATUS_INVALID_PARAMETER; |
| 466 |
|
| 467 |
/* extract operation */ |
| 468 |
request >>= 2; |
| 469 |
request &= 0xfff; |
| 470 |
|
| 471 |
printf("SERIAL IOCTL %d\n", request); |
| 472 |
|
| 473 |
switch (request) |
| 474 |
{ |
| 475 |
case SERIAL_SET_BAUD_RATE: |
| 476 |
in_uint32_le(in, baud_rate); |
| 477 |
set_termios(); |
| 478 |
break; |
| 479 |
case SERIAL_GET_BAUD_RATE: |
| 480 |
out_uint32_le(out, baud_rate); |
| 481 |
break; |
| 482 |
case SERIAL_SET_QUEUE_SIZE: |
| 483 |
in_uint32_le(in, queue_in_size); |
| 484 |
in_uint32_le(in, queue_out_size); |
| 485 |
break; |
| 486 |
case SERIAL_SET_LINE_CONTROL: |
| 487 |
in_uint8(in, stop_bits); |
| 488 |
in_uint8(in, parity); |
| 489 |
in_uint8(in, word_length); |
| 490 |
set_termios(); |
| 491 |
break; |
| 492 |
case SERIAL_GET_LINE_CONTROL: |
| 493 |
out_uint8(out, stop_bits); |
| 494 |
out_uint8(out, parity); |
| 495 |
out_uint8(out, word_length); |
| 496 |
break; |
| 497 |
case SERIAL_IMMEDIATE_CHAR: |
| 498 |
in_uint8(in, immediate); |
| 499 |
serial_write(handle, &immediate, 1, 0, &result); |
| 500 |
break; |
| 501 |
case SERIAL_CONFIG_SIZE: |
| 502 |
out_uint32_le(out, 0); |
| 503 |
break; |
| 504 |
case SERIAL_GET_CHARS: |
| 505 |
out_uint8s(out, 6); |
| 506 |
break; |
| 507 |
case SERIAL_SET_CHARS: |
| 508 |
in_uint8s(in, 6); |
| 509 |
break; |
| 510 |
case SERIAL_GET_HANDFLOW: |
| 511 |
out_uint32_le(out, 0); |
| 512 |
out_uint32_le(out, 3); /* Xon/Xoff */ |
| 513 |
out_uint32_le(out, 0); |
| 514 |
out_uint32_le(out, 0); |
| 515 |
break; |
| 516 |
case SERIAL_SET_HANDFLOW: |
| 517 |
in_uint8s(in, 16); |
| 518 |
break; |
| 519 |
case SERIAL_SET_TIMEOUTS: |
| 520 |
in_uint8s(in, 20); |
| 521 |
break; |
| 522 |
case SERIAL_GET_TIMEOUTS: |
| 523 |
out_uint8s(out, 20); |
| 524 |
break; |
| 525 |
case SERIAL_GET_WAIT_MASK: |
| 526 |
out_uint32(out, wait_mask); |
| 527 |
break; |
| 528 |
case SERIAL_SET_WAIT_MASK: |
| 529 |
in_uint32(in, wait_mask); |
| 530 |
break; |
| 531 |
case SERIAL_SET_DTR: |
| 532 |
dtr = 1; |
| 533 |
set_termios(); |
| 534 |
break; |
| 535 |
case SERIAL_CLR_DTR: |
| 536 |
dtr = 0; |
| 537 |
set_termios(); |
| 538 |
break; |
| 539 |
#if 0 |
| 540 |
case SERIAL_WAIT_ON_MASK: |
| 541 |
/* XXX implement me */ |
| 542 |
break; |
| 543 |
case SERIAL_SET_BREAK_ON: |
| 544 |
tcsendbreak(serial_fd, 0); |
| 545 |
break; |
| 546 |
case SERIAL_PURGE: |
| 547 |
|
| 548 |
printf("SERIAL_PURGE\n"); |
| 549 |
in_uint32(in, purge_mask); |
| 550 |
if (purge_mask & 0x04) |
| 551 |
flush_mask |= TCOFLUSH; |
| 552 |
if (purge_mask & 0x08) |
| 553 |
flush_mask |= TCIFLUSH; |
| 554 |
if (flush_mask != 0) |
| 555 |
tcflush(handle, flush_mask); |
| 556 |
if (purge_mask & 0x01) |
| 557 |
rdpdr_abort_io(handle, 4, STATUS_CANCELLED); |
| 558 |
if (purge_mask & 0x02) |
| 559 |
rdpdr_abort_io(handle, 3, STATUS_CANCELLED); |
| 560 |
break; |
| 561 |
|
| 562 |
case SERIAL_RESET_DEVICE: |
| 563 |
case SERIAL_SET_BREAK_OFF: |
| 564 |
case SERIAL_SET_RTS: |
| 565 |
case SERIAL_CLR_RTS: |
| 566 |
case SERIAL_SET_XOFF: |
| 567 |
case SERIAL_SET_XON: |
| 568 |
/* ignore */ |
| 569 |
break; |
| 570 |
#endif |
| 571 |
|
| 572 |
default: |
| 573 |
unimpl("SERIAL IOCTL %d\n", request); |
| 574 |
return STATUS_INVALID_PARAMETER; |
| 575 |
} |
| 576 |
|
| 577 |
return STATUS_SUCCESS; |
| 578 |
} |
| 579 |
|
| 580 |
/* Read timeout for a given file descripter (device) when adding fd's to select() */ |
| 581 |
BOOL |
| 582 |
serial_get_timeout(uint32 handle, uint32 length, uint32 * timeout, uint32 * itv_timeout) |
| 583 |
{ |
| 584 |
int index; |
| 585 |
SERIAL_DEVICE *pser_inf; |
| 586 |
|
| 587 |
index = get_device_index(handle); |
| 588 |
|
| 589 |
if (g_rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL) |
| 590 |
{ |
| 591 |
return False; |
| 592 |
} |
| 593 |
|
| 594 |
pser_inf = (SERIAL_DEVICE *) g_rdpdr_device[index].pdevice_data; |
| 595 |
|
| 596 |
*timeout = |
| 597 |
pser_inf->read_total_timeout_multiplier * length + |
| 598 |
pser_inf->read_total_timeout_constant; |
| 599 |
*itv_timeout = pser_inf->read_interval_timeout; |
| 600 |
return True; |
| 601 |
} |
| 602 |
|
| 603 |
DEVICE_FNS serial_fns = { |
| 604 |
serial_create, |
| 605 |
serial_close, |
| 606 |
serial_read, |
| 607 |
serial_write, |
| 608 |
serial_device_control |
| 609 |
}; |
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