53 |
#define ODD_PARITY 1 |
#define ODD_PARITY 1 |
54 |
#define EVEN_PARITY 2 |
#define EVEN_PARITY 2 |
55 |
|
|
56 |
extern RDPDR_DEVICE g_rdpdr_device[]; |
#define SERIAL_PURGE_TXABORT 0x00000001 |
57 |
|
#define SERIAL_PURGE_RXABORT 0x00000002 |
58 |
|
#define SERIAL_PURGE_TXCLEAR 0x00000004 |
59 |
|
#define SERIAL_PURGE_RXCLEAR 0x00000008 |
60 |
|
|
61 |
|
/* SERIAL_WAIT_ON_MASK */ |
62 |
|
#define SERIAL_EV_RXCHAR 0x0001 // Any Character received |
63 |
|
#define SERIAL_EV_RXFLAG 0x0002 // Received certain character |
64 |
|
#define SERIAL_EV_TXEMPTY 0x0004 // Transmitt Queue Empty |
65 |
|
#define SERIAL_EV_CTS 0x0008 // CTS changed state |
66 |
|
#define SERIAL_EV_DSR 0x0010 // DSR changed state |
67 |
|
#define SERIAL_EV_RLSD 0x0020 // RLSD changed state |
68 |
|
#define SERIAL_EV_BREAK 0x0040 // BREAK received |
69 |
|
#define SERIAL_EV_ERR 0x0080 // Line status error occurred |
70 |
|
#define SERIAL_EV_RING 0x0100 // Ring signal detected |
71 |
|
#define SERIAL_EV_PERR 0x0200 // Printer error occured |
72 |
|
#define SERIAL_EV_RX80FULL 0x0400 // Receive buffer is 80 percent full |
73 |
|
#define SERIAL_EV_EVENT1 0x0800 // Provider specific event 1 |
74 |
|
#define SERIAL_EV_EVENT2 0x1000 // Provider specific event 2 |
75 |
|
|
76 |
|
#ifndef CRTSCTS |
77 |
|
#define CRTSCTS 0 |
78 |
|
#endif |
79 |
|
|
|
int serial_fd; |
|
|
struct termios termios; |
|
80 |
|
|
81 |
int dtr; |
extern RDPDR_DEVICE g_rdpdr_device[]; |
|
uint32 baud_rate; |
|
|
uint32 queue_in_size, queue_out_size; |
|
|
uint32 wait_mask; |
|
|
uint8 stop_bits, parity, word_length; |
|
82 |
|
|
83 |
SERIAL_DEVICE * get_serial_info(HANDLE handle) |
static SERIAL_DEVICE * |
84 |
|
get_serial_info(HANDLE handle) |
85 |
{ |
{ |
86 |
int index; |
int index; |
87 |
|
|
93 |
return NULL; |
return NULL; |
94 |
} |
} |
95 |
|
|
96 |
BOOL |
static BOOL |
97 |
get_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd) |
get_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd) |
98 |
{ |
{ |
99 |
speed_t speed; |
speed_t speed; |
211 |
break; |
break; |
212 |
} |
} |
213 |
|
|
214 |
|
pser_inf->rts = (ptermios->c_cflag & CRTSCTS) ? 1 : 0; |
215 |
|
|
216 |
return True; |
return True; |
217 |
} |
} |
218 |
|
|
219 |
static void |
static void |
220 |
set_termios(void) |
set_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd) |
221 |
{ |
{ |
222 |
speed_t speed; |
speed_t speed; |
223 |
|
|
224 |
switch (baud_rate) |
struct termios *ptermios; |
225 |
|
|
226 |
|
ptermios = pser_inf->ptermios; |
227 |
|
|
228 |
|
|
229 |
|
switch (pser_inf->baud_rate) |
230 |
{ |
{ |
231 |
#ifdef B75 |
#ifdef B75 |
232 |
case 75: |
case 75: |
310 |
|
|
311 |
/* on systems with separate ispeed and ospeed, we can remember the speed |
/* on systems with separate ispeed and ospeed, we can remember the speed |
312 |
in ispeed while changing DTR with ospeed */ |
in ispeed while changing DTR with ospeed */ |
313 |
cfsetispeed(&termios, speed); |
cfsetispeed(pser_inf->ptermios, speed); |
314 |
cfsetospeed(&termios, dtr ? speed : 0); |
cfsetospeed(pser_inf->ptermios, pser_inf->dtr ? speed : 0); |
315 |
|
|
316 |
termios.c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE); |
ptermios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE | CRTSCTS); |
317 |
switch (stop_bits) |
switch (pser_inf->stop_bits) |
318 |
{ |
{ |
319 |
case STOP_BITS_2: |
case STOP_BITS_2: |
320 |
termios.c_cflag |= CSTOPB; |
ptermios->c_cflag |= CSTOPB; |
321 |
break; |
break; |
322 |
} |
} |
323 |
switch (parity) |
|
324 |
|
switch (pser_inf->parity) |
325 |
{ |
{ |
326 |
case EVEN_PARITY: |
case EVEN_PARITY: |
327 |
termios.c_cflag |= PARENB; |
ptermios->c_cflag |= PARENB; |
328 |
break; |
break; |
329 |
case ODD_PARITY: |
case ODD_PARITY: |
330 |
termios.c_cflag |= PARENB | PARODD; |
ptermios->c_cflag |= PARENB | PARODD; |
331 |
break; |
break; |
332 |
} |
} |
333 |
switch (word_length) |
|
334 |
|
switch (pser_inf->word_length) |
335 |
{ |
{ |
336 |
case 5: |
case 5: |
337 |
termios.c_cflag |= CS5; |
ptermios->c_cflag |= CS5; |
338 |
break; |
break; |
339 |
case 6: |
case 6: |
340 |
termios.c_cflag |= CS6; |
ptermios->c_cflag |= CS6; |
341 |
break; |
break; |
342 |
case 7: |
case 7: |
343 |
termios.c_cflag |= CS7; |
ptermios->c_cflag |= CS7; |
344 |
break; |
break; |
345 |
default: |
default: |
346 |
termios.c_cflag |= CS8; |
ptermios->c_cflag |= CS8; |
347 |
break; |
break; |
348 |
} |
} |
349 |
|
|
350 |
tcsetattr(serial_fd, TCSANOW, &termios); |
if (pser_inf->rts) |
351 |
|
ptermios->c_cflag |= CRTSCTS; |
352 |
|
|
353 |
|
tcsetattr(serial_fd, TCSANOW, ptermios); |
354 |
} |
} |
355 |
|
|
356 |
/* Enumeration of devices from rdesktop.c */ |
/* Enumeration of devices from rdesktop.c */ |
359 |
/* when it arrives to this function. */ |
/* when it arrives to this function. */ |
360 |
/* :com1=/dev/ttyS0,com2=/dev/ttyS1 */ |
/* :com1=/dev/ttyS0,com2=/dev/ttyS1 */ |
361 |
int |
int |
362 |
serial_enum_devices(int *id, char *optarg) |
serial_enum_devices(uint32 * id, char *optarg) |
363 |
{ |
{ |
364 |
SERIAL_DEVICE *pser_inf; |
SERIAL_DEVICE *pser_inf; |
365 |
|
|
396 |
return count; |
return count; |
397 |
} |
} |
398 |
|
|
399 |
NTSTATUS |
static NTSTATUS |
400 |
serial_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, |
serial_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, |
401 |
uint32 flags_and_attributes, char *filename, HANDLE * handle) |
uint32 flags_and_attributes, char *filename, HANDLE * handle) |
402 |
{ |
{ |
409 |
serial_fd = open(g_rdpdr_device[device_id].local_path, O_RDWR | O_NOCTTY); |
serial_fd = open(g_rdpdr_device[device_id].local_path, O_RDWR | O_NOCTTY); |
410 |
|
|
411 |
if (serial_fd == -1) |
if (serial_fd == -1) |
412 |
|
{ |
413 |
|
perror("open"); |
414 |
return STATUS_ACCESS_DENIED; |
return STATUS_ACCESS_DENIED; |
415 |
|
} |
416 |
|
|
417 |
if (!get_termios(pser_inf, serial_fd)) |
if (!get_termios(pser_inf, serial_fd)) |
418 |
|
{ |
419 |
|
printf("INFO: SERIAL %s access denied\n", g_rdpdr_device[device_id].name); |
420 |
|
fflush(stdout); |
421 |
return STATUS_ACCESS_DENIED; |
return STATUS_ACCESS_DENIED; |
422 |
|
} |
423 |
|
|
424 |
// Store handle for later use |
// Store handle for later use |
425 |
g_rdpdr_device[device_id].handle = serial_fd; |
g_rdpdr_device[device_id].handle = serial_fd; |
426 |
|
|
427 |
/* some sane information */ |
/* some sane information */ |
428 |
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); |
printf("INFO: SERIAL %s to %s\nINFO: speed %u baud, stop bits %u, parity %u, word length %u bits, dtr %u, rts %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, pser_inf->rts); |
429 |
|
|
430 |
printf("INFO: use stty to change settings\n"); |
printf("INFO: use stty to change settings\n"); |
431 |
|
|
432 |
//tcgetattr(serial_fd, pser_inf->ptermios); |
/* ptermios->c_cflag = B115200 | CRTSCTS | CS8 | CLOCAL | CREAD; |
433 |
|
ptermios->c_cflag |= CREAD; |
434 |
|
ptermios->c_lflag |= ICANON; |
435 |
|
ptermios->c_iflag = IGNPAR | ICRNL; |
436 |
|
|
437 |
|
tcsetattr(serial_fd, TCSANOW, ptermios); |
438 |
|
*/ |
439 |
|
|
440 |
*handle = serial_fd; |
*handle = serial_fd; |
441 |
|
|
442 |
|
/* all read and writes should be non blocking */ |
443 |
|
if (fcntl(*handle, F_SETFL, O_NONBLOCK) == -1) |
444 |
|
perror("fcntl"); |
445 |
|
|
446 |
return STATUS_SUCCESS; |
return STATUS_SUCCESS; |
447 |
} |
} |
448 |
|
|
449 |
static NTSTATUS |
static NTSTATUS |
450 |
serial_close(HANDLE handle) |
serial_close(HANDLE handle) |
451 |
{ |
{ |
452 |
close(serial_fd); |
int i = get_device_index(handle); |
453 |
|
if (i >= 0) |
454 |
|
g_rdpdr_device[i].handle = 0; |
455 |
|
close(handle); |
456 |
return STATUS_SUCCESS; |
return STATUS_SUCCESS; |
457 |
} |
} |
458 |
|
|
459 |
NTSTATUS |
static NTSTATUS |
460 |
serial_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
serial_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
461 |
{ |
{ |
462 |
long timeout; |
long timeout; |
463 |
SERIAL_DEVICE *pser_inf; |
SERIAL_DEVICE *pser_inf; |
464 |
struct termios *ptermios; |
struct termios *ptermios; |
465 |
|
|
466 |
timeout = 0; |
timeout = 90; |
467 |
pser_inf = get_serial_info(handle); |
pser_inf = get_serial_info(handle); |
468 |
ptermios = pser_inf->ptermios; |
ptermios = pser_inf->ptermios; |
469 |
|
|
495 |
} |
} |
496 |
tcsetattr(handle, TCSANOW, ptermios); |
tcsetattr(handle, TCSANOW, ptermios); |
497 |
|
|
498 |
|
|
499 |
*result = read(handle, data, length); |
*result = read(handle, data, length); |
500 |
|
|
501 |
|
//hexdump(data, *read); |
502 |
|
|
503 |
return STATUS_SUCCESS; |
return STATUS_SUCCESS; |
504 |
} |
} |
505 |
|
|
506 |
NTSTATUS |
static NTSTATUS |
507 |
serial_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
serial_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
508 |
{ |
{ |
509 |
*result = write(handle, data, length); |
*result = write(handle, data, length); |
513 |
static NTSTATUS |
static NTSTATUS |
514 |
serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) |
serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) |
515 |
{ |
{ |
516 |
|
#if 0 |
517 |
|
int flush_mask, purge_mask; |
518 |
|
#endif |
519 |
uint32 result; |
uint32 result; |
520 |
uint8 immediate; |
uint8 immediate; |
521 |
|
SERIAL_DEVICE *pser_inf; |
522 |
|
struct termios *ptermios; |
523 |
|
|
524 |
if ((request >> 16) != FILE_DEVICE_SERIAL_PORT) |
if ((request >> 16) != FILE_DEVICE_SERIAL_PORT) |
525 |
return STATUS_INVALID_PARAMETER; |
return STATUS_INVALID_PARAMETER; |
526 |
|
|
527 |
|
pser_inf = get_serial_info(handle); |
528 |
|
ptermios = pser_inf->ptermios; |
529 |
|
|
530 |
/* extract operation */ |
/* extract operation */ |
531 |
request >>= 2; |
request >>= 2; |
532 |
request &= 0xfff; |
request &= 0xfff; |
536 |
switch (request) |
switch (request) |
537 |
{ |
{ |
538 |
case SERIAL_SET_BAUD_RATE: |
case SERIAL_SET_BAUD_RATE: |
539 |
in_uint32_le(in, baud_rate); |
in_uint32_le(in, pser_inf->baud_rate); |
540 |
set_termios(); |
set_termios(pser_inf, handle); |
541 |
break; |
break; |
542 |
case SERIAL_GET_BAUD_RATE: |
case SERIAL_GET_BAUD_RATE: |
543 |
out_uint32_le(out, baud_rate); |
out_uint32_le(out, pser_inf->baud_rate); |
544 |
break; |
break; |
545 |
case SERIAL_SET_QUEUE_SIZE: |
case SERIAL_SET_QUEUE_SIZE: |
546 |
in_uint32_le(in, queue_in_size); |
in_uint32_le(in, pser_inf->queue_in_size); |
547 |
in_uint32_le(in, queue_out_size); |
in_uint32_le(in, pser_inf->queue_out_size); |
548 |
break; |
break; |
549 |
case SERIAL_SET_LINE_CONTROL: |
case SERIAL_SET_LINE_CONTROL: |
550 |
in_uint8(in, stop_bits); |
in_uint8(in, pser_inf->stop_bits); |
551 |
in_uint8(in, parity); |
in_uint8(in, pser_inf->parity); |
552 |
in_uint8(in, word_length); |
in_uint8(in, pser_inf->word_length); |
553 |
set_termios(); |
set_termios(pser_inf, handle); |
554 |
break; |
break; |
555 |
case SERIAL_GET_LINE_CONTROL: |
case SERIAL_GET_LINE_CONTROL: |
556 |
out_uint8(out, stop_bits); |
out_uint8(out, pser_inf->stop_bits); |
557 |
out_uint8(out, parity); |
out_uint8(out, pser_inf->parity); |
558 |
out_uint8(out, word_length); |
out_uint8(out, pser_inf->word_length); |
559 |
break; |
break; |
560 |
case SERIAL_IMMEDIATE_CHAR: |
case SERIAL_IMMEDIATE_CHAR: |
561 |
in_uint8(in, immediate); |
in_uint8(in, immediate); |
586 |
out_uint8s(out, 20); |
out_uint8s(out, 20); |
587 |
break; |
break; |
588 |
case SERIAL_GET_WAIT_MASK: |
case SERIAL_GET_WAIT_MASK: |
589 |
out_uint32(out, wait_mask); |
out_uint32(out, pser_inf->wait_mask); |
590 |
break; |
break; |
591 |
case SERIAL_SET_WAIT_MASK: |
case SERIAL_SET_WAIT_MASK: |
592 |
in_uint32(in, wait_mask); |
in_uint32(in, pser_inf->wait_mask); |
593 |
break; |
break; |
594 |
case SERIAL_SET_DTR: |
case SERIAL_SET_DTR: |
595 |
dtr = 1; |
pser_inf->dtr = 1; |
596 |
set_termios(); |
set_termios(pser_inf, handle); |
597 |
break; |
break; |
598 |
case SERIAL_CLR_DTR: |
case SERIAL_CLR_DTR: |
599 |
dtr = 0; |
pser_inf->dtr = 0; |
600 |
set_termios(); |
set_termios(pser_inf, handle); |
601 |
break; |
break; |
602 |
#if 0 |
case SERIAL_SET_RTS: |
603 |
case SERIAL_WAIT_ON_MASK: |
pser_inf->rts = 1; |
604 |
/* XXX implement me */ |
set_termios(pser_inf, handle); |
605 |
break; |
break; |
606 |
case SERIAL_SET_BREAK_ON: |
case SERIAL_CLR_RTS: |
607 |
tcsendbreak(serial_fd, 0); |
pser_inf->rts = 0; |
608 |
|
set_termios(pser_inf, handle); |
609 |
break; |
break; |
610 |
|
case SERIAL_GET_MODEMSTATUS: |
611 |
|
out_uint32_le(out, 0); /* Errors */ |
612 |
|
break; |
613 |
|
case SERIAL_GET_COMMSTATUS: |
614 |
|
out_uint32_le(out, 0); /* Errors */ |
615 |
|
out_uint32_le(out, 0); /* Hold reasons */ |
616 |
|
out_uint32_le(out, 0); /* Amount in in queue */ |
617 |
|
out_uint32_le(out, 0); /* Amount in out queue */ |
618 |
|
out_uint8(out, 0); /* EofReceived */ |
619 |
|
out_uint8(out, 0); /* WaitForImmediate */ |
620 |
|
break; |
621 |
|
#if 0 |
622 |
case SERIAL_PURGE: |
case SERIAL_PURGE: |
|
|
|
623 |
printf("SERIAL_PURGE\n"); |
printf("SERIAL_PURGE\n"); |
624 |
in_uint32(in, purge_mask); |
in_uint32(in, purge_mask); |
625 |
if (purge_mask & 0x04) |
if (purge_mask & 0x04) |
633 |
if (purge_mask & 0x02) |
if (purge_mask & 0x02) |
634 |
rdpdr_abort_io(handle, 3, STATUS_CANCELLED); |
rdpdr_abort_io(handle, 3, STATUS_CANCELLED); |
635 |
break; |
break; |
636 |
|
case SERIAL_WAIT_ON_MASK: |
637 |
|
/* XXX implement me */ |
638 |
|
out_uint32_le(out, pser_inf->wait_mask); |
639 |
|
break; |
640 |
|
case SERIAL_SET_BREAK_ON: |
641 |
|
tcsendbreak(serial_fd, 0); |
642 |
|
break; |
643 |
case SERIAL_RESET_DEVICE: |
case SERIAL_RESET_DEVICE: |
644 |
case SERIAL_SET_BREAK_OFF: |
case SERIAL_SET_BREAK_OFF: |
|
case SERIAL_SET_RTS: |
|
|
case SERIAL_CLR_RTS: |
|
645 |
case SERIAL_SET_XOFF: |
case SERIAL_SET_XOFF: |
646 |
case SERIAL_SET_XON: |
case SERIAL_SET_XON: |
647 |
/* ignore */ |
/* ignore */ |
648 |
break; |
break; |
649 |
#endif |
#endif |
|
|
|
650 |
default: |
default: |
651 |
unimpl("SERIAL IOCTL %d\n", request); |
unimpl("SERIAL IOCTL %d\n", request); |
652 |
return STATUS_INVALID_PARAMETER; |
return STATUS_INVALID_PARAMETER; |
657 |
|
|
658 |
/* Read timeout for a given file descripter (device) when adding fd's to select() */ |
/* Read timeout for a given file descripter (device) when adding fd's to select() */ |
659 |
BOOL |
BOOL |
660 |
serial_get_timeout(uint32 handle, uint32 length, uint32 * timeout, uint32 * itv_timeout) |
serial_get_timeout(HANDLE handle, uint32 length, uint32 * timeout, uint32 * itv_timeout) |
661 |
{ |
{ |
662 |
int index; |
int index; |
663 |
SERIAL_DEVICE *pser_inf; |
SERIAL_DEVICE *pser_inf; |
664 |
|
|
665 |
index = get_device_index(handle); |
index = get_device_index(handle); |
666 |
|
if (index < 0) |
667 |
|
return True; |
668 |
|
|
669 |
if (g_rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL) |
if (g_rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL) |
670 |
{ |
{ |