2 * DEC 93 Erik Bos <erik@xs4all.nl>
4 * Copyright 1996 Marcus Meissner
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
37 #ifdef HAVE_SYS_STAT_H
38 # include <sys/stat.h>
40 #ifdef HAVE_SYS_FILIO_H
41 # include <sys/filio.h>
43 #ifdef HAVE_SYS_IOCTL_H
44 #include <sys/ioctl.h>
49 #ifdef HAVE_SYS_POLL_H
50 # include <sys/poll.h>
52 #ifdef HAVE_SYS_MODEM_H
53 # include <sys/modem.h>
55 #ifdef HAVE_SYS_STRTIO_H
56 # include <sys/strtio.h>
59 #define NONAMELESSUNION
60 #define NONAMELESSSTRUCT
65 #include "ddk/ntddser.h"
67 #include "wine/server.h"
68 #include "wine/unicode.h"
70 #include "wine/debug.h"
72 #ifdef HAVE_LINUX_SERIAL_H
73 #include <linux/serial.h>
76 WINE_DEFAULT_DEBUG_CHANNEL(comm
);
78 /* retrieve the Unix handle corresponding to a comm handle */
79 static int get_comm_fd( HANDLE handle
, DWORD access
)
83 ret
= wine_server_handle_to_fd( handle
, access
, &fd
, NULL
);
84 if (ret
) SetLastError( RtlNtStatusToDosError(ret
) );
88 /* release the Unix handle returned by get_comm_fd */
89 static inline void release_comm_fd( HANDLE handle
, int fd
)
91 wine_server_release_fd( handle
, fd
);
95 * local structure holding the irq values we need for WaitCommEvent()
97 * Stripped down from struct serial_icounter_struct, which may not be available on some systems
98 * As the modem line interrupts (cts, dsr, rng, dcd) only get updated with TIOCMIWAIT active,
99 * no need to carry them in the internal structure
102 typedef struct serial_irq_info
104 int rx
, tx
, frame
, overrun
, parity
, brk
, buf_overrun
;
107 /***********************************************************************
108 * Data needed by the thread polling for the changing CommEvent
110 typedef struct async_commio
117 serial_irq_info irq_info
;
120 /***********************************************************************/
122 #if !defined(TIOCINQ) && defined(FIONREAD)
123 #define TIOCINQ FIONREAD
126 /***********************************************************************
127 * Get extended interrupt count info, needed for WaitCommEvent
129 static int COMM_GetEInfo(int fd
, serial_irq_info
*irq_info
)
132 struct serial_icounter_struct einfo
;
133 if (!ioctl(fd
,TIOCGICOUNT
, &einfo
))
135 irq_info
->rx
= einfo
.rx
;
136 irq_info
->tx
= einfo
.tx
;
137 irq_info
->frame
= einfo
.frame
;
138 irq_info
->overrun
= einfo
.overrun
;
139 irq_info
->parity
= einfo
.parity
;
140 irq_info
->brk
= einfo
.brk
;
141 irq_info
->buf_overrun
= einfo
.buf_overrun
;
145 memset(irq_info
,0, sizeof(serial_irq_info
));
149 static int COMM_WhackModem(int fd
, unsigned int andy
, unsigned int orrie
)
152 unsigned int mstat
, okay
;
153 okay
= ioctl(fd
, TIOCMGET
, &mstat
);
154 if (okay
) return okay
;
155 if (andy
) mstat
&= andy
;
157 return ioctl(fd
, TIOCMSET
, &mstat
);
163 /***********************************************************************
164 * COMM_Parse* (Internal)
166 * The following COMM_Parse* functions are used by the BuildCommDCB
167 * functions to help parse the various parts of the device control string.
169 static LPCWSTR
COMM_ParseStart(LPCWSTR ptr
)
171 static const WCHAR comW
[] = {'C','O','M',0};
173 /* The device control string may optionally start with "COMx" followed
174 by an optional ':' and spaces. */
175 if(!strncmpiW(ptr
, comW
, 3))
179 /* Allow any com port above 0 as Win 9x does (NT only allows
180 values for com ports which are actually present) */
181 if(*ptr
< '1' || *ptr
> '9')
184 /* Advance pointer past port number */
185 while(*ptr
>= '0' && *ptr
<= '9') ptr
++;
187 /* The com port number must be followed by a ':' or ' ' */
188 if(*ptr
!= ':' && *ptr
!= ' ')
191 /* Advance pointer to beginning of next parameter */
192 while(*ptr
== ' ') ptr
++;
196 while(*ptr
== ' ') ptr
++;
199 /* The device control string must not start with a space. */
206 static LPCWSTR
COMM_ParseNumber(LPCWSTR ptr
, LPDWORD lpnumber
)
208 if(*ptr
< '0' || *ptr
> '9') return NULL
;
209 *lpnumber
= strtoulW(ptr
, NULL
, 10);
210 while(*ptr
>= '0' && *ptr
<= '9') ptr
++;
214 static LPCWSTR
COMM_ParseParity(LPCWSTR ptr
, LPBYTE lpparity
)
216 /* Contrary to what you might expect, Windows only sets the Parity
217 member of DCB and not fParity even when parity is specified in the
218 device control string */
220 switch(toupperW(*ptr
++))
223 *lpparity
= EVENPARITY
;
226 *lpparity
= MARKPARITY
;
229 *lpparity
= NOPARITY
;
232 *lpparity
= ODDPARITY
;
235 *lpparity
= SPACEPARITY
;
244 static LPCWSTR
COMM_ParseByteSize(LPCWSTR ptr
, LPBYTE lpbytesize
)
248 if(!(ptr
= COMM_ParseNumber(ptr
, &temp
)))
251 if(temp
>= 5 && temp
<= 8)
260 static LPCWSTR
COMM_ParseStopBits(LPCWSTR ptr
, LPBYTE lpstopbits
)
263 static const WCHAR stopbits15W
[] = {'1','.','5',0};
265 if(!strncmpW(stopbits15W
, ptr
, 3))
268 *lpstopbits
= ONE5STOPBITS
;
272 if(!(ptr
= COMM_ParseNumber(ptr
, &temp
)))
276 *lpstopbits
= ONESTOPBIT
;
278 *lpstopbits
= TWOSTOPBITS
;
286 static LPCWSTR
COMM_ParseOnOff(LPCWSTR ptr
, LPDWORD lponoff
)
288 static const WCHAR onW
[] = {'o','n',0};
289 static const WCHAR offW
[] = {'o','f','f',0};
291 if(!strncmpiW(onW
, ptr
, 2))
296 else if(!strncmpiW(offW
, ptr
, 3))
307 /***********************************************************************
308 * COMM_BuildOldCommDCB (Internal)
310 * Build a DCB using the old style settings string eg: "96,n,8,1"
312 static BOOL
COMM_BuildOldCommDCB(LPCWSTR device
, LPDCB lpdcb
)
316 if(!(device
= COMM_ParseNumber(device
, &lpdcb
->BaudRate
)))
319 switch(lpdcb
->BaudRate
)
324 lpdcb
->BaudRate
*= 10;
330 lpdcb
->BaudRate
*= 100;
333 lpdcb
->BaudRate
= 19200;
337 while(*device
== ' ') device
++;
338 if(*device
++ != ',') return FALSE
;
339 while(*device
== ' ') device
++;
341 if(!(device
= COMM_ParseParity(device
, &lpdcb
->Parity
)))
344 while(*device
== ' ') device
++;
345 if(*device
++ != ',') return FALSE
;
346 while(*device
== ' ') device
++;
348 if(!(device
= COMM_ParseByteSize(device
, &lpdcb
->ByteSize
)))
351 while(*device
== ' ') device
++;
352 if(*device
++ != ',') return FALSE
;
353 while(*device
== ' ') device
++;
355 if(!(device
= COMM_ParseStopBits(device
, &lpdcb
->StopBits
)))
358 /* The last parameter for flow control is optional. */
359 while(*device
== ' ') device
++;
363 while(*device
== ' ') device
++;
364 if(*device
) last
= toupperW(*device
++);
365 while(*device
== ' ') device
++;
368 /* Win NT sets the flow control members based on (or lack of) the last
369 parameter. Win 9x does not set these members. */
374 lpdcb
->fOutX
= FALSE
;
375 lpdcb
->fOutxCtsFlow
= FALSE
;
376 lpdcb
->fOutxDsrFlow
= FALSE
;
377 lpdcb
->fDtrControl
= DTR_CONTROL_ENABLE
;
378 lpdcb
->fRtsControl
= RTS_CONTROL_ENABLE
;
383 lpdcb
->fOutxCtsFlow
= FALSE
;
384 lpdcb
->fOutxDsrFlow
= FALSE
;
385 lpdcb
->fDtrControl
= DTR_CONTROL_ENABLE
;
386 lpdcb
->fRtsControl
= RTS_CONTROL_ENABLE
;
390 lpdcb
->fOutX
= FALSE
;
391 lpdcb
->fOutxCtsFlow
= TRUE
;
392 lpdcb
->fOutxDsrFlow
= TRUE
;
393 lpdcb
->fDtrControl
= DTR_CONTROL_HANDSHAKE
;
394 lpdcb
->fRtsControl
= RTS_CONTROL_HANDSHAKE
;
400 /* This should be the end of the string. */
401 if(*device
) return FALSE
;
406 /***********************************************************************
407 * COMM_BuildNewCommDCB (Internal)
409 * Build a DCB using the new style settings string.
410 * eg: "baud=9600 parity=n data=8 stop=1 xon=on to=on"
412 static BOOL
COMM_BuildNewCommDCB(LPCWSTR device
, LPDCB lpdcb
, LPCOMMTIMEOUTS lptimeouts
)
415 BOOL baud
= FALSE
, stop
= FALSE
;
416 static const WCHAR baudW
[] = {'b','a','u','d','=',0};
417 static const WCHAR parityW
[] = {'p','a','r','i','t','y','=',0};
418 static const WCHAR dataW
[] = {'d','a','t','a','=',0};
419 static const WCHAR stopW
[] = {'s','t','o','p','=',0};
420 static const WCHAR toW
[] = {'t','o','=',0};
421 static const WCHAR xonW
[] = {'x','o','n','=',0};
422 static const WCHAR odsrW
[] = {'o','d','s','r','=',0};
423 static const WCHAR octsW
[] = {'o','c','t','s','=',0};
424 static const WCHAR dtrW
[] = {'d','t','r','=',0};
425 static const WCHAR rtsW
[] = {'r','t','s','=',0};
426 static const WCHAR idsrW
[] = {'i','d','s','r','=',0};
430 while(*device
== ' ') device
++;
432 if(!strncmpiW(baudW
, device
, 5))
436 if(!(device
= COMM_ParseNumber(device
+ 5, &lpdcb
->BaudRate
)))
439 else if(!strncmpiW(parityW
, device
, 7))
441 if(!(device
= COMM_ParseParity(device
+ 7, &lpdcb
->Parity
)))
444 else if(!strncmpiW(dataW
, device
, 5))
446 if(!(device
= COMM_ParseByteSize(device
+ 5, &lpdcb
->ByteSize
)))
449 else if(!strncmpiW(stopW
, device
, 5))
453 if(!(device
= COMM_ParseStopBits(device
+ 5, &lpdcb
->StopBits
)))
456 else if(!strncmpiW(toW
, device
, 3))
458 if(!(device
= COMM_ParseOnOff(device
+ 3, &temp
)))
461 lptimeouts
->ReadIntervalTimeout
= 0;
462 lptimeouts
->ReadTotalTimeoutMultiplier
= 0;
463 lptimeouts
->ReadTotalTimeoutConstant
= 0;
464 lptimeouts
->WriteTotalTimeoutMultiplier
= 0;
465 lptimeouts
->WriteTotalTimeoutConstant
= temp
? 60000 : 0;
467 else if(!strncmpiW(xonW
, device
, 4))
469 if(!(device
= COMM_ParseOnOff(device
+ 4, &temp
)))
475 else if(!strncmpiW(odsrW
, device
, 5))
477 if(!(device
= COMM_ParseOnOff(device
+ 5, &temp
)))
480 lpdcb
->fOutxDsrFlow
= temp
;
482 else if(!strncmpiW(octsW
, device
, 5))
484 if(!(device
= COMM_ParseOnOff(device
+ 5, &temp
)))
487 lpdcb
->fOutxCtsFlow
= temp
;
489 else if(!strncmpiW(dtrW
, device
, 4))
491 if(!(device
= COMM_ParseOnOff(device
+ 4, &temp
)))
494 lpdcb
->fDtrControl
= temp
;
496 else if(!strncmpiW(rtsW
, device
, 4))
498 if(!(device
= COMM_ParseOnOff(device
+ 4, &temp
)))
501 lpdcb
->fRtsControl
= temp
;
503 else if(!strncmpiW(idsrW
, device
, 5))
505 if(!(device
= COMM_ParseOnOff(device
+ 5, &temp
)))
508 /* Win NT sets the fDsrSensitivity member based on the
509 idsr parameter. Win 9x sets fOutxDsrFlow instead. */
510 lpdcb
->fDsrSensitivity
= temp
;
515 /* After the above parsing, the next character (if not the end of
516 the string) should be a space */
517 if(*device
&& *device
!= ' ')
521 /* If stop bits were not specified, a default is always supplied. */
524 if(baud
&& lpdcb
->BaudRate
== 110)
525 lpdcb
->StopBits
= TWOSTOPBITS
;
527 lpdcb
->StopBits
= ONESTOPBIT
;
533 /**************************************************************************
534 * BuildCommDCBA (KERNEL32.@)
536 * Updates a device control block data structure with values from an
537 * ascii device control string. The device control string has two forms
538 * normal and extended, it must be exclusively in one or the other form.
542 * True on success, false on a malformed control string.
544 BOOL WINAPI
BuildCommDCBA(
545 LPCSTR device
, /* [in] The ascii device control string used to update the DCB. */
546 LPDCB lpdcb
) /* [out] The device control block to be updated. */
548 return BuildCommDCBAndTimeoutsA(device
,lpdcb
,NULL
);
551 /**************************************************************************
552 * BuildCommDCBAndTimeoutsA (KERNEL32.@)
554 * Updates a device control block data structure with values from an
555 * ascii device control string. Taking timeout values from a timeouts
556 * struct if desired by the control string.
560 * True on success, false bad handles etc.
562 BOOL WINAPI
BuildCommDCBAndTimeoutsA(
563 LPCSTR device
, /* [in] The ascii device control string. */
564 LPDCB lpdcb
, /* [out] The device control block to be updated. */
565 LPCOMMTIMEOUTS lptimeouts
) /* [in] The COMMTIMEOUTS structure to be updated. */
568 UNICODE_STRING deviceW
;
570 TRACE("(%s,%p,%p)\n",device
,lpdcb
,lptimeouts
);
571 if(device
) RtlCreateUnicodeStringFromAsciiz(&deviceW
,device
);
572 else deviceW
.Buffer
= NULL
;
574 if(deviceW
.Buffer
) ret
= BuildCommDCBAndTimeoutsW(deviceW
.Buffer
,lpdcb
,lptimeouts
);
576 RtlFreeUnicodeString(&deviceW
);
580 /**************************************************************************
581 * BuildCommDCBAndTimeoutsW (KERNEL32.@)
583 * Updates a device control block data structure with values from a
584 * unicode device control string. Taking timeout values from a timeouts
585 * struct if desired by the control string.
589 * True on success, false bad handles etc
591 BOOL WINAPI
BuildCommDCBAndTimeoutsW(
592 LPCWSTR devid
, /* [in] The unicode device control string. */
593 LPDCB lpdcb
, /* [out] The device control block to be updated. */
594 LPCOMMTIMEOUTS lptimeouts
) /* [in] The COMMTIMEOUTS structure to be updated. */
597 COMMTIMEOUTS timeouts
;
601 TRACE("(%s,%p,%p)\n",debugstr_w(devid
),lpdcb
,lptimeouts
);
603 /* Set DCBlength. (Windows NT does not do this, but 9x does) */
604 lpdcb
->DCBlength
= sizeof(DCB
);
606 /* Make a copy of the original data structures to work with since if
607 if there is an error in the device control string the originals
608 should not be modified (except possibly DCBlength) */
609 memcpy(&dcb
, lpdcb
, sizeof(DCB
));
610 if(lptimeouts
) memcpy(&timeouts
, lptimeouts
, sizeof(COMMTIMEOUTS
));
612 ptr
= COMM_ParseStart(ptr
);
616 else if(strchrW(ptr
, ','))
617 result
= COMM_BuildOldCommDCB(ptr
, &dcb
);
619 result
= COMM_BuildNewCommDCB(ptr
, &dcb
, &timeouts
);
623 memcpy(lpdcb
, &dcb
, sizeof(DCB
));
624 if(lptimeouts
) memcpy(lptimeouts
, &timeouts
, sizeof(COMMTIMEOUTS
));
629 WARN("Invalid device control string: %s\n", debugstr_w(devid
));
630 SetLastError(ERROR_INVALID_PARAMETER
);
635 /**************************************************************************
636 * BuildCommDCBW (KERNEL32.@)
638 * Updates a device control block structure with values from an
639 * unicode device control string. The device control string has two forms
640 * normal and extended, it must be exclusively in one or the other form.
644 * True on success, false on a malformed control string.
646 BOOL WINAPI
BuildCommDCBW(
647 LPCWSTR devid
, /* [in] The unicode device control string. */
648 LPDCB lpdcb
) /* [out] The device control block to be updated. */
650 return BuildCommDCBAndTimeoutsW(devid
,lpdcb
,NULL
);
653 /*****************************************************************************
654 * SetCommBreak (KERNEL32.@)
656 * Halts the transmission of characters to a communications device.
659 * handle [in] The communications device to suspend
663 * True on success, and false if the communications device could not be found,
664 * the control is not supported.
668 * Only TIOCSBRK and TIOCCBRK are supported.
670 BOOL WINAPI
SetCommBreak(HANDLE handle
)
672 return DeviceIoControl(handle
, IOCTL_SERIAL_SET_BREAK_ON
, NULL
, 0, NULL
, 0, NULL
, NULL
);
675 /*****************************************************************************
676 * ClearCommBreak (KERNEL32.@)
678 * Resumes character transmission from a communication device.
682 * handle [in] The halted communication device whose character transmission is to be resumed
686 * True on success and false if the communications device could not be found.
690 * Only TIOCSBRK and TIOCCBRK are supported.
692 BOOL WINAPI
ClearCommBreak(HANDLE handle
)
694 return DeviceIoControl(handle
, IOCTL_SERIAL_SET_BREAK_OFF
, NULL
, 0, NULL
, 0, NULL
, NULL
);
697 /*****************************************************************************
698 * EscapeCommFunction (KERNEL32.@)
700 * Directs a communication device to perform an extended function.
704 * True or requested data on successful completion of the command,
705 * false if the device is not present cannot execute the command
706 * or the command failed.
708 BOOL WINAPI
EscapeCommFunction(
709 HANDLE handle
, /* [in] The communication device to perform the extended function. */
710 UINT nFunction
) /* [in] The extended function to be performed. */
712 int fd
,direct
=FALSE
,result
=FALSE
;
715 TRACE("handle %p, function=%d\n", handle
, nFunction
);
716 fd
= get_comm_fd( handle
, FILE_READ_DATA
);
717 if(fd
<0) return FALSE
;
719 if (tcgetattr(fd
,&port
) == -1) {
720 release_comm_fd( handle
, fd
);
733 result
= COMM_WhackModem(fd
, ~TIOCM_DTR
, 0);
741 result
= COMM_WhackModem(fd
, ~TIOCM_RTS
, 0);
749 result
= COMM_WhackModem(fd
, 0, TIOCM_DTR
);
757 result
= COMM_WhackModem(fd
, 0, TIOCM_RTS
);
763 port
.c_iflag
|= IXOFF
;
768 port
.c_iflag
|= IXON
;
774 result
= ioctl(fd
,TIOCSBRK
,0);
781 result
= ioctl(fd
,TIOCCBRK
,0);
785 WARN("(handle=%p,nFunction=%d): Unknown function\n",
791 if (tcsetattr(fd
, TCSADRAIN
, &port
) == -1) {
792 release_comm_fd( handle
, fd
);
805 release_comm_fd( handle
, fd
);
809 /********************************************************************
810 * PurgeComm (KERNEL32.@)
812 * Terminates pending operations and/or discards buffers on a
813 * communication resource.
817 * handle [in] The communication resource to be purged
818 * flags [in] Flags for clear pending/buffer on input/output
822 * True on success and false if the communications handle is bad.
824 BOOL WINAPI
PurgeComm(HANDLE handle
, DWORD flags
)
826 return DeviceIoControl(handle
, IOCTL_SERIAL_PURGE
, &flags
, sizeof(flags
),
827 NULL
, 0, NULL
, NULL
);
830 /*****************************************************************************
831 * ClearCommError (KERNEL32.@)
833 * Enables further I/O operations on a communications resource after
834 * supplying error and current status information.
838 * handle [in] The communication resource with the error
839 * errors [out] Flags indicating error the resource experienced
840 * lpStat [out] The status of the communication resource
843 * True on success, false if the communication resource handle is bad.
845 BOOL WINAPI
ClearCommError(HANDLE handle
, LPDWORD errors
, LPCOMSTAT lpStat
)
849 if (!DeviceIoControl(handle
, IOCTL_SERIAL_GET_COMMSTATUS
, NULL
, 0,
850 &ss
, sizeof(ss
), NULL
, NULL
))
856 if (ss
.Errors
& SERIAL_ERROR_BREAK
) *errors
|= CE_BREAK
;
857 if (ss
.Errors
& SERIAL_ERROR_FRAMING
) *errors
|= CE_FRAME
;
858 if (ss
.Errors
& SERIAL_ERROR_OVERRUN
) *errors
|= CE_OVERRUN
;
859 if (ss
.Errors
& SERIAL_ERROR_QUEUEOVERRUN
) *errors
|= CE_RXOVER
;
860 if (ss
.Errors
& SERIAL_ERROR_PARITY
) *errors
|= CE_RXPARITY
;
865 memset(lpStat
, 0, sizeof(*lpStat
));
867 if (ss
.HoldReasons
& SERIAL_TX_WAITING_FOR_CTS
) lpStat
->fCtsHold
= TRUE
;
868 if (ss
.HoldReasons
& SERIAL_TX_WAITING_FOR_DSR
) lpStat
->fDsrHold
= TRUE
;
869 if (ss
.HoldReasons
& SERIAL_TX_WAITING_FOR_DCD
) lpStat
->fRlsdHold
= TRUE
;
870 if (ss
.HoldReasons
& SERIAL_TX_WAITING_FOR_XON
) lpStat
->fXoffHold
= TRUE
;
871 if (ss
.HoldReasons
& SERIAL_TX_WAITING_XOFF_SENT
) lpStat
->fXoffSent
= TRUE
;
872 if (ss
.EofReceived
) lpStat
->fEof
= TRUE
;
873 if (ss
.WaitForImmediate
) lpStat
->fTxim
= TRUE
;
874 lpStat
->cbInQue
= ss
.AmountInInQueue
;
875 lpStat
->cbOutQue
= ss
.AmountInOutQueue
;
880 /*****************************************************************************
881 * SetupComm (KERNEL32.@)
883 * Called after CreateFile to hint to the communication resource to use
884 * specified sizes for input and output buffers rather than the default values.
888 * True if successful, false if the communications resource handle is bad.
894 BOOL WINAPI
SetupComm(
895 HANDLE handle
, /* [in] The just created communication resource handle. */
896 DWORD insize
, /* [in] The suggested size of the communication resources input buffer in bytes. */
897 DWORD outsize
) /* [in] The suggested size of the communication resources output buffer in bytes. */
901 FIXME("insize %ld outsize %ld unimplemented stub\n", insize
, outsize
);
902 fd
=get_comm_fd( handle
, FILE_READ_DATA
);
903 if(0>fd
) return FALSE
;
904 release_comm_fd( handle
, fd
);
908 /*****************************************************************************
909 * GetCommMask (KERNEL32.@)
911 * Obtain the events associated with a communication device that will cause
912 * a call WaitCommEvent to return.
916 * handle [in] The communications device
917 * evtmask [out] The events which cause WaitCommEvent to return
921 * True on success, fail on bad device handle etc.
923 BOOL WINAPI
GetCommMask(HANDLE handle
, LPDWORD evtmask
)
925 TRACE("handle %p, mask %p\n", handle
, evtmask
);
926 return DeviceIoControl(handle
, IOCTL_SERIAL_GET_WAIT_MASK
,
927 NULL
, 0, evtmask
, sizeof(*evtmask
), NULL
, NULL
);
930 /*****************************************************************************
931 * SetCommMask (KERNEL32.@)
933 * There be some things we need to hear about yon there communications device.
934 * (Set which events associated with a communication device should cause
935 * a call WaitCommEvent to return.)
939 * handle [in] The communications device
940 * evtmask [in] The events that are to be monitored
944 * True on success, false on bad handle etc.
946 BOOL WINAPI
SetCommMask(HANDLE handle
, DWORD evtmask
)
948 TRACE("handle %p, mask %lx\n", handle
, evtmask
);
949 return DeviceIoControl(handle
, IOCTL_SERIAL_SET_WAIT_MASK
,
950 &evtmask
, sizeof(evtmask
), NULL
, 0, NULL
, NULL
);
953 /*****************************************************************************
954 * SetCommState (KERNEL32.@)
956 * Re-initializes all hardware and control settings of a communications device,
957 * with values from a device control block without effecting the input and output
962 * True on success, false on failure eg if the XonChar is equal to the XoffChar.
964 BOOL WINAPI
SetCommState(
965 HANDLE handle
, /* [in] The communications device. */
966 LPDCB lpdcb
) /* [out] The device control block. */
969 int fd
, bytesize
, stopbits
;
972 TRACE("handle %p, ptr %p\n", handle
, lpdcb
);
973 TRACE("bytesize %d baudrate %ld fParity %d Parity %d stopbits %d\n",
974 lpdcb
->ByteSize
,lpdcb
->BaudRate
,lpdcb
->fParity
, lpdcb
->Parity
,
975 (lpdcb
->StopBits
== ONESTOPBIT
)?1:
976 (lpdcb
->StopBits
== TWOSTOPBITS
)?2:0);
977 TRACE("%s %s\n",(lpdcb
->fInX
)?"IXON":"~IXON",
978 (lpdcb
->fOutX
)?"IXOFF":"~IXOFF");
979 TRACE("fOutxCtsFlow %d fRtsControl %d\n", lpdcb
->fOutxCtsFlow
,
981 TRACE("fOutxDsrFlow %d fDtrControl%d\n", lpdcb
->fOutxDsrFlow
,
985 fd
= get_comm_fd( handle
, FILE_READ_DATA
);
986 if (fd
< 0) return FALSE
;
988 if ((tcgetattr(fd
,&port
)) == -1) {
989 int save_error
= errno
;
990 release_comm_fd( handle
, fd
);
991 ERR("tcgetattr error '%s'\n", strerror(save_error
));
996 port
.c_cc
[VTIME
] = 1;
999 port
.c_iflag
&= ~(ISTRIP
|BRKINT
|IGNCR
|ICRNL
|INLCR
|PARMRK
|IMAXBEL
);
1001 port
.c_iflag
&= ~(ISTRIP
|BRKINT
|IGNCR
|ICRNL
|INLCR
|PARMRK
);
1003 port
.c_iflag
|= (IGNBRK
);
1005 port
.c_oflag
&= ~(OPOST
);
1007 port
.c_cflag
&= ~(HUPCL
);
1008 port
.c_cflag
|= CLOCAL
| CREAD
;
1010 port
.c_lflag
&= ~(ICANON
|ECHO
|ISIG
);
1011 port
.c_lflag
|= NOFLSH
;
1014 port
.c_cflag
&= ~CBAUD
;
1015 switch (lpdcb
->BaudRate
) {
1020 port
.c_cflag
|= B50
;
1023 port
.c_cflag
|= B75
;
1027 port
.c_cflag
|= B110
;
1030 port
.c_cflag
|= B134
;
1033 port
.c_cflag
|= B150
;
1036 port
.c_cflag
|= B200
;
1040 port
.c_cflag
|= B300
;
1044 port
.c_cflag
|= B600
;
1048 port
.c_cflag
|= B1200
;
1051 port
.c_cflag
|= B1800
;
1055 port
.c_cflag
|= B2400
;
1059 port
.c_cflag
|= B4800
;
1063 port
.c_cflag
|= B9600
;
1067 port
.c_cflag
|= B19200
;
1071 port
.c_cflag
|= B38400
;
1075 port
.c_cflag
|= B57600
;
1080 port
.c_cflag
|= B115200
;
1085 port
.c_cflag
|= B230400
;
1090 port
.c_cflag
|= B460800
;
1094 #if defined (HAVE_LINUX_SERIAL_H) && defined (TIOCSSERIAL)
1095 { struct serial_struct nuts
;
1097 ioctl(fd
, TIOCGSERIAL
, &nuts
);
1098 nuts
.custom_divisor
= nuts
.baud_base
/ lpdcb
->BaudRate
;
1099 if (!(nuts
.custom_divisor
)) nuts
.custom_divisor
= 1;
1100 arby
= nuts
.baud_base
/ nuts
.custom_divisor
;
1101 nuts
.flags
&= ~ASYNC_SPD_MASK
;
1102 nuts
.flags
|= ASYNC_SPD_CUST
;
1103 WARN("You (or a program acting at your behest) have specified\n"
1104 "a non-standard baud rate %ld. Wine will set the rate to %d,\n"
1105 "which is as close as we can get by our present understanding of your\n"
1106 "hardware. I hope you know what you are doing. Any disruption Wine\n"
1107 "has caused to your linux system can be undone with setserial \n"
1108 "(see man setserial). If you have incapacitated a Hayes type modem,\n"
1109 "reset it and it will probably recover.\n", lpdcb
->BaudRate
, arby
);
1110 ioctl(fd
, TIOCSSERIAL
, &nuts
);
1111 port
.c_cflag
|= B38400
;
1114 #endif /* Don't have linux/serial.h or lack TIOCSSERIAL */
1117 release_comm_fd( handle
, fd
);
1118 ERR("baudrate %ld\n",lpdcb
->BaudRate
);
1121 #elif !defined(__EMX__)
1122 switch (lpdcb
->BaudRate
) {
1127 port
.c_ospeed
= B50
;
1130 port
.c_ospeed
= B75
;
1134 port
.c_ospeed
= B110
;
1137 port
.c_ospeed
= B134
;
1140 port
.c_ospeed
= B150
;
1143 port
.c_ospeed
= B200
;
1147 port
.c_ospeed
= B300
;
1151 port
.c_ospeed
= B600
;
1155 port
.c_ospeed
= B1200
;
1158 port
.c_ospeed
= B1800
;
1162 port
.c_ospeed
= B2400
;
1166 port
.c_ospeed
= B4800
;
1170 port
.c_ospeed
= B9600
;
1174 port
.c_ospeed
= B19200
;
1178 port
.c_ospeed
= B38400
;
1183 port
.c_cflag
|= B57600
;
1189 port
.c_cflag
|= B115200
;
1194 port
.c_cflag
|= B230400
;
1199 port
.c_cflag
|= B460800
;
1203 release_comm_fd( handle
, fd
);
1204 ERR("baudrate %ld\n",lpdcb
->BaudRate
);
1207 port
.c_ispeed
= port
.c_ospeed
;
1209 bytesize
=lpdcb
->ByteSize
;
1210 stopbits
=lpdcb
->StopBits
;
1213 port
.c_cflag
&= ~(PARENB
| PARODD
| CMSPAR
);
1215 port
.c_cflag
&= ~(PARENB
| PARODD
);
1218 port
.c_iflag
|= INPCK
;
1220 port
.c_iflag
&= ~INPCK
;
1221 switch (lpdcb
->Parity
) {
1225 port
.c_cflag
|= (PARENB
| PARODD
);
1228 port
.c_cflag
|= PARENB
;
1231 /* Linux defines mark/space (stick) parity */
1233 port
.c_cflag
|= (PARENB
| CMSPAR
);
1236 port
.c_cflag
|= (PARENB
| PARODD
| CMSPAR
);
1239 /* try the POSIX way */
1241 if( stopbits
== ONESTOPBIT
) {
1242 stopbits
= TWOSTOPBITS
;
1243 port
.c_iflag
&= ~INPCK
;
1245 release_comm_fd( handle
, fd
);
1246 ERR("Cannot set MARK Parity\n");
1253 port
.c_iflag
&= ~INPCK
;
1255 release_comm_fd( handle
, fd
);
1256 ERR("Cannot set SPACE Parity\n");
1262 release_comm_fd( handle
, fd
);
1268 port
.c_cflag
&= ~CSIZE
;
1271 port
.c_cflag
|= CS5
;
1274 port
.c_cflag
|= CS6
;
1277 port
.c_cflag
|= CS7
;
1280 port
.c_cflag
|= CS8
;
1283 release_comm_fd( handle
, fd
);
1290 port
.c_cflag
&= ~CSTOPB
;
1292 case ONE5STOPBITS
: /* will be selected if bytesize is 5 */
1294 port
.c_cflag
|= CSTOPB
;
1297 release_comm_fd( handle
, fd
);
1302 if ( lpdcb
->fOutxCtsFlow
||
1303 lpdcb
->fRtsControl
== RTS_CONTROL_HANDSHAKE
1306 port
.c_cflag
|= CRTSCTS
;
1312 port
.c_iflag
|= IXON
;
1314 port
.c_iflag
&= ~IXON
;
1316 port
.c_iflag
|= IXOFF
;
1318 port
.c_iflag
&= ~IXOFF
;
1320 if (tcsetattr(fd
,TCSANOW
,&port
)==-1) { /* otherwise it hangs with pending input*/
1321 ERR("tcsetattr error '%s'\n", strerror(errno
));
1324 ClearCommError(handle
, NULL
, NULL
);
1328 /* note: change DTR/RTS lines after setting the comm attributes,
1329 * so flow control does not interfere. */
1331 if (lpdcb
->fDtrControl
== DTR_CONTROL_HANDSHAKE
)
1333 WARN("DSR/DTR flow control not supported\n");
1334 } else if(lpdcb
->fDtrControl
== DTR_CONTROL_DISABLE
)
1335 COMM_WhackModem(fd
, ~TIOCM_DTR
, 0);
1337 COMM_WhackModem(fd
, 0, TIOCM_DTR
);
1340 if(!lpdcb
->fOutxCtsFlow
)
1342 if(lpdcb
->fRtsControl
== RTS_CONTROL_DISABLE
)
1343 COMM_WhackModem(fd
, ~TIOCM_RTS
, 0);
1345 COMM_WhackModem(fd
, 0, TIOCM_RTS
);
1348 if(lpdcb
->fRtsControl
== RTS_CONTROL_TOGGLE
)
1349 FIXME("RTS_CONTROL_TOGGLE is not supported.\n");
1350 release_comm_fd( handle
, fd
);
1356 /*****************************************************************************
1357 * GetCommState (KERNEL32.@)
1359 * Fills in a device control block with information from a communications device.
1363 * True on success, false if the communication device handle is bad etc
1367 * XonChar and XoffChar are not set.
1369 BOOL WINAPI
GetCommState(
1370 HANDLE handle
, /* [in] The communications device. */
1371 LPDCB lpdcb
) /* [out] The device control block. */
1373 struct termios port
;
1375 int stat
= DTR_CONTROL_ENABLE
| RTS_CONTROL_ENABLE
;
1377 TRACE("handle %p, ptr %p\n", handle
, lpdcb
);
1379 fd
= get_comm_fd( handle
, FILE_READ_DATA
);
1380 if (fd
< 0) return FALSE
;
1381 if (tcgetattr(fd
, &port
) == -1) {
1382 int save_error
=errno
;
1383 ERR("tcgetattr error '%s'\n", strerror(save_error
));
1384 release_comm_fd( handle
, fd
);
1389 if (ioctl(fd
, TIOCMGET
, &stat
) == -1)
1391 int save_error
=errno
;
1392 WARN("ioctl error '%s'\n", strerror(save_error
));
1393 stat
= DTR_CONTROL_ENABLE
| RTS_CONTROL_ENABLE
;
1396 release_comm_fd( handle
, fd
);
1399 speed
= (port
.c_cflag
& CBAUD
);
1401 speed
= (cfgetospeed(&port
));
1405 lpdcb
->BaudRate
= 0;
1408 lpdcb
->BaudRate
= 50;
1411 lpdcb
->BaudRate
= 75;
1414 lpdcb
->BaudRate
= 110;
1417 lpdcb
->BaudRate
= 134;
1420 lpdcb
->BaudRate
= 150;
1423 lpdcb
->BaudRate
= 200;
1426 lpdcb
->BaudRate
= 300;
1429 lpdcb
->BaudRate
= 600;
1432 lpdcb
->BaudRate
= 1200;
1435 lpdcb
->BaudRate
= 1800;
1438 lpdcb
->BaudRate
= 2400;
1441 lpdcb
->BaudRate
= 4800;
1444 lpdcb
->BaudRate
= 9600;
1447 lpdcb
->BaudRate
= 19200;
1450 lpdcb
->BaudRate
= 38400;
1454 lpdcb
->BaudRate
= 57600;
1459 lpdcb
->BaudRate
= 115200;
1464 lpdcb
->BaudRate
= 230400;
1469 lpdcb
->BaudRate
= 460800;
1473 ERR("unknown speed %x\n", speed
);
1476 switch (port
.c_cflag
& CSIZE
) {
1478 lpdcb
->ByteSize
= 5;
1481 lpdcb
->ByteSize
= 6;
1484 lpdcb
->ByteSize
= 7;
1487 lpdcb
->ByteSize
= 8;
1490 ERR("unknown size %x\n", port
.c_cflag
& CSIZE
);
1493 if(port
.c_iflag
& INPCK
)
1494 lpdcb
->fParity
= TRUE
;
1496 lpdcb
->fParity
= FALSE
;
1498 switch (port
.c_cflag
& (PARENB
| PARODD
| CMSPAR
))
1500 switch (port
.c_cflag
& (PARENB
| PARODD
))
1504 lpdcb
->Parity
= NOPARITY
;
1507 lpdcb
->Parity
= EVENPARITY
;
1509 case (PARENB
| PARODD
):
1510 lpdcb
->Parity
= ODDPARITY
;
1513 case (PARENB
| CMSPAR
):
1514 lpdcb
->Parity
= MARKPARITY
;
1516 case (PARENB
| PARODD
| CMSPAR
):
1517 lpdcb
->Parity
= SPACEPARITY
;
1522 if (port
.c_cflag
& CSTOPB
)
1523 if(lpdcb
->ByteSize
== 5)
1524 lpdcb
->StopBits
= ONE5STOPBITS
;
1526 lpdcb
->StopBits
= TWOSTOPBITS
;
1528 lpdcb
->StopBits
= ONESTOPBIT
;
1533 /* termios does not support DTR/DSR flow control */
1534 lpdcb
->fOutxDsrFlow
= 0;
1535 lpdcb
->fDtrControl
=
1537 !(stat
& TIOCM_DTR
) ? DTR_CONTROL_DISABLE
:
1539 DTR_CONTROL_ENABLE
;
1543 if (port
.c_cflag
& CRTSCTS
) {
1544 lpdcb
->fRtsControl
= RTS_CONTROL_HANDSHAKE
;
1545 lpdcb
->fOutxCtsFlow
= 1;
1549 lpdcb
->fRtsControl
=
1551 !(stat
& TIOCM_RTS
) ? RTS_CONTROL_DISABLE
:
1553 RTS_CONTROL_ENABLE
;
1554 lpdcb
->fOutxCtsFlow
= 0;
1556 if (port
.c_iflag
& IXON
)
1561 if (port
.c_iflag
& IXOFF
)
1570 lpdcb
->XoffLim
= 10;
1574 TRACE("bytesize %d baudrate %ld fParity %d Parity %d stopbits %d\n",
1575 lpdcb
->ByteSize
,lpdcb
->BaudRate
,lpdcb
->fParity
, lpdcb
->Parity
,
1576 (lpdcb
->StopBits
== ONESTOPBIT
)?1:
1577 (lpdcb
->StopBits
== TWOSTOPBITS
)?2:0);
1578 TRACE("%s %s\n",(lpdcb
->fInX
)?"IXON":"~IXON",
1579 (lpdcb
->fOutX
)?"IXOFF":"~IXOFF");
1580 TRACE("fOutxCtsFlow %d fRtsControl %d\n", lpdcb
->fOutxCtsFlow
,
1581 lpdcb
->fRtsControl
);
1582 TRACE("fOutxDsrFlow %d fDtrControl%d\n", lpdcb
->fOutxDsrFlow
,
1583 lpdcb
->fDtrControl
);
1585 if ( lpdcb
->fOutxCtsFlow
||
1586 lpdcb
->fRtsControl
== RTS_CONTROL_HANDSHAKE
1591 TRACE("~CRTSCTS\n");
1596 /*****************************************************************************
1597 * TransmitCommChar (KERNEL32.@)
1599 * Transmits a single character in front of any pending characters in the
1600 * output buffer. Usually used to send an interrupt character to a host.
1603 * hComm [in] The communication device in need of a command character
1604 * chTransmit [in] The character to transmit
1608 * True if the call succeeded, false if the previous command character to the
1609 * same device has not been sent yet the handle is bad etc.
1612 BOOL WINAPI
TransmitCommChar(HANDLE hComm
, CHAR chTransmit
)
1614 return DeviceIoControl(hComm
, IOCTL_SERIAL_IMMEDIATE_CHAR
,
1615 &chTransmit
, sizeof(chTransmit
), NULL
, 0, NULL
, NULL
);
1619 /*****************************************************************************
1620 * GetCommTimeouts (KERNEL32.@)
1622 * Obtains the request timeout values for the communications device.
1626 * True on success, false if communications device handle is bad
1627 * or the target structure is null.
1629 BOOL WINAPI
GetCommTimeouts(
1630 HANDLE hComm
, /* [in] The communications device. */
1631 LPCOMMTIMEOUTS lptimeouts
) /* [out] The struct of request timeouts. */
1635 TRACE("(%p,%p)\n",hComm
,lptimeouts
);
1639 SetLastError(ERROR_INVALID_PARAMETER
);
1643 SERVER_START_REQ( get_serial_info
)
1645 req
->handle
= hComm
;
1646 if ((ret
= !wine_server_call_err( req
)))
1648 lptimeouts
->ReadIntervalTimeout
= reply
->readinterval
;
1649 lptimeouts
->ReadTotalTimeoutMultiplier
= reply
->readmult
;
1650 lptimeouts
->ReadTotalTimeoutConstant
= reply
->readconst
;
1651 lptimeouts
->WriteTotalTimeoutMultiplier
= reply
->writemult
;
1652 lptimeouts
->WriteTotalTimeoutConstant
= reply
->writeconst
;
1659 /*****************************************************************************
1660 * SetCommTimeouts (KERNEL32.@)
1662 * Sets the timeouts used when reading and writing data to/from COMM ports.
1664 * ReadIntervalTimeout
1665 * - converted and passes to linux kernel as c_cc[VTIME]
1666 * ReadTotalTimeoutMultiplier, ReadTotalTimeoutConstant
1667 * - used in ReadFile to calculate GetOverlappedResult's timeout
1668 * WriteTotalTimeoutMultiplier, WriteTotalTimeoutConstant
1669 * - used in WriteFile to calculate GetOverlappedResult's timeout
1673 * True if the timeouts were set, false otherwise.
1675 BOOL WINAPI
SetCommTimeouts(
1676 HANDLE hComm
, /* [in] handle of COMM device */
1677 LPCOMMTIMEOUTS lptimeouts
) /* [in] pointer to COMMTIMEOUTS structure */
1681 struct termios tios
;
1683 TRACE("(%p,%p)\n",hComm
,lptimeouts
);
1687 SetLastError(ERROR_INVALID_PARAMETER
);
1691 SERVER_START_REQ( set_serial_info
)
1693 req
->handle
= hComm
;
1694 req
->flags
= SERIALINFO_SET_TIMEOUTS
;
1695 req
->readinterval
= lptimeouts
->ReadIntervalTimeout
;
1696 req
->readmult
= lptimeouts
->ReadTotalTimeoutMultiplier
;
1697 req
->readconst
= lptimeouts
->ReadTotalTimeoutConstant
;
1698 req
->writemult
= lptimeouts
->WriteTotalTimeoutMultiplier
;
1699 req
->writeconst
= lptimeouts
->WriteTotalTimeoutConstant
;
1700 ret
= !wine_server_call_err( req
);
1703 if (!ret
) return FALSE
;
1705 /* FIXME: move this stuff to the server */
1706 fd
= get_comm_fd( hComm
, FILE_READ_DATA
);
1707 if (fd
< 0) return FALSE
;
1709 if (-1==tcgetattr(fd
,&tios
)) {
1710 FIXME("tcgetattr on fd %d failed!\n",fd
);
1711 release_comm_fd( hComm
, fd
);
1715 /* VTIME is in 1/10 seconds */
1717 unsigned int ux_timeout
;
1719 if(lptimeouts
->ReadIntervalTimeout
== 0) /* 0 means no timeout */
1725 ux_timeout
= (lptimeouts
->ReadIntervalTimeout
+99)/100;
1728 ux_timeout
= 1; /* must be at least some timeout */
1731 tios
.c_cc
[VTIME
] = ux_timeout
;
1734 if (-1==tcsetattr(fd
,0,&tios
)) {
1735 FIXME("tcsetattr on fd %d failed!\n",fd
);
1736 release_comm_fd( hComm
, fd
);
1739 release_comm_fd( hComm
, fd
);
1743 /***********************************************************************
1744 * GetCommModemStatus (KERNEL32.@)
1746 * Obtains the four control register bits if supported by the hardware.
1750 * hFile [in] The communications device
1751 * lpModemStat [out] The control register bits
1755 * True if the communications handle was good and for hardware that
1756 * control register access, false otherwise.
1758 BOOL WINAPI
GetCommModemStatus(HANDLE hFile
, LPDWORD lpModemStat
)
1760 return DeviceIoControl(hFile
, IOCTL_SERIAL_GET_MODEMSTATUS
,
1761 NULL
, 0, lpModemStat
, sizeof(DWORD
), NULL
, NULL
);
1764 static DWORD WINAPI
Comm_CheckEvents(int fd
, DWORD mask
, serial_irq_info
*new, serial_irq_info
*old
, DWORD new_mstat
, DWORD old_mstat
)
1766 DWORD ret
= 0, queue
;
1768 TRACE("mask 0x%08lx\n", mask
);
1769 TRACE("old->rx 0x%08x vs. new->rx 0x%08x\n", old
->rx
, new->rx
);
1770 TRACE("old->tx 0x%08x vs. new->tx 0x%08x\n", old
->tx
, new->tx
);
1771 TRACE("old->frame 0x%08x vs. new->frame 0x%08x\n", old
->frame
, new->frame
);
1772 TRACE("old->overrun 0x%08x vs. new->overrun 0x%08x\n", old
->overrun
, new->overrun
);
1773 TRACE("old->parity 0x%08x vs. new->parity 0x%08x\n", old
->parity
, new->parity
);
1774 TRACE("old->brk 0x%08x vs. new->brk 0x%08x\n", old
->brk
, new->brk
);
1775 TRACE("old->buf_overrun 0x%08x vs. new->buf_overrun 0x%08x\n", old
->buf_overrun
, new->buf_overrun
);
1777 ret
|= ((mask
& EV_BREAK
) && ( old
->brk
!= new->brk
))?EV_BREAK
:0;
1778 ret
|= ((mask
& EV_CTS
) && ((old_mstat
&MS_CTS_ON
)!=(new_mstat
&MS_CTS_ON
)))?EV_CTS
:0;
1779 ret
|= ((mask
& EV_DSR
) && ((old_mstat
&MS_DSR_ON
)!=(new_mstat
&MS_DSR_ON
)))?EV_DSR
:0;
1780 ret
|= ((mask
& EV_RING
) && ((old_mstat
&MS_RING_ON
)!=(new_mstat
&MS_RING_ON
)))?EV_RING
:0;
1781 ret
|= ((mask
& EV_RLSD
) && ((old_mstat
&MS_RLSD_ON
)!=(new_mstat
&MS_RLSD_ON
)))?EV_RLSD
:0;
1782 ret
|= ((mask
& EV_ERR
) && (( old
->frame
!= new->frame
) ||(old
->overrun
!= new->overrun
)
1783 || (old
->parity
!= new->parity
)) )?EV_ERR
:0;
1784 if (mask
& EV_RXCHAR
)
1788 if(ioctl(fd
, TIOCINQ
, &queue
))
1789 WARN("TIOCINQ returned error\n");
1794 if (mask
& EV_TXEMPTY
)
1797 /* We really want to know when all characters have gone out of the transmitter */
1798 #if defined(TIOCSERGETLSR)
1799 if(ioctl(fd
, TIOCSERGETLSR
, &queue
))
1800 WARN("TIOCSERGETLSR returned error\n");
1802 /* TIOCINQ only checks for an empty buffer */
1803 #elif defined(TIOCINQ)
1804 if(ioctl(fd
, TIOCOUTQ
, &queue
))
1805 WARN("TIOCOUTQ returned error\n");
1810 TRACE("OUTQUEUE %ld, Transmitter %sempty\n", queue
, (ret
& EV_TXEMPTY
)?"":"not ");
1815 /***********************************************************************
1816 * COMM_WaitCommEventService (INTERNAL)
1818 * We need to poll for what is interesting
1819 * TIOCMIWAIT only checks modem status line and may not be aborted by a changing mask
1822 static DWORD WINAPI
COMM_WaitCommEventService(LPVOID arg
)
1824 async_commio
*commio
= (async_commio
*) arg
;
1827 serial_irq_info new_irq_info
;
1828 DWORD new_mstat
, new_evtmask
;
1830 fd
=get_comm_fd( commio
->handle
, FILE_READ_DATA
);
1832 TRACE("handle %p fd 0x%08x, mask 0x%08lx buffer %p event %p irq_info %p waitmask 0x%08x\n",
1833 commio
->handle
, fd
, commio
->evtmask
, commio
->buffer
, commio
->hEvent
, &commio
->irq_info
, waitmask
);
1837 * TIOCMIWAIT is not adequate
1840 * We don't handle the EV_RXFLAG (the eventchar)
1843 rc
= COMM_GetEInfo(fd
,&new_irq_info
);
1845 TRACE("TIOCGICOUNT err %s\n", strerror(errno
));
1846 rc
= GetCommModemStatus(commio
->handle
, &new_mstat
);
1848 TRACE("GetCommModemStatus failed\n");
1849 rc
= Comm_CheckEvents(fd
, commio
->evtmask
,&new_irq_info
,&commio
->irq_info
, new_mstat
, commio
->mstat
);
1850 GetCommMask(commio
->handle
, &new_evtmask
);
1851 abort
= (commio
->evtmask
!= new_evtmask
);
1852 TRACE("resulting Eventmask 0x%08x\n", rc
);
1853 } while (!rc
&& ! abort
);
1855 release_comm_fd( commio
->handle
, fd
);
1856 *commio
->buffer
= rc
;
1857 if (commio
->hEvent
!= INVALID_HANDLE_VALUE
)
1858 NtSetEvent( commio
->hEvent
, NULL
);
1859 HeapFree(GetProcessHeap(), 0, commio
);
1864 /***********************************************************************
1865 * COMM_WaitCommEvent (INTERNAL)
1867 * This function must have an lpOverlapped.
1869 static BOOL
COMM_WaitCommEvent(
1870 HANDLE hFile
, /* [in] handle of comm port to wait for */
1871 LPDWORD lpdwEvents
, /* [out] event(s) that were detected */
1872 LPOVERLAPPED lpOverlapped
) /* [in/out] for Asynchronous waiting */
1875 async_commio
* commio
;
1881 SetLastError(ERROR_INVALID_PARAMETER
);
1885 if (NtResetEvent(lpOverlapped
->hEvent
,NULL
))
1888 fd
= get_comm_fd( hFile
, FILE_WRITE_DATA
);
1889 if (fd
< 0) return FALSE
;
1891 commio
= HeapAlloc(GetProcessHeap(), 0, sizeof (async_commio
));
1894 release_comm_fd( hFile
, fd
);
1898 commio
->handle
= hFile
;
1899 commio
->buffer
= (char *)lpdwEvents
;
1900 commio
->hEvent
= lpOverlapped
->hEvent
;
1901 GetCommMask(hFile
, &commio
->evtmask
);
1903 /* We may never return, if some capabilities miss
1904 * Return error in that case
1906 #if !defined(TIOCINQ)
1907 if(commio
->evtmask
& EV_RXCHAR
)
1910 #if !(defined(TIOCSERGETLSR) && defined(TIOCSER_TEMT)) || !defined(TIOCINQ)
1911 if(commio
->evtmask
& EV_TXEMPTY
)
1914 #if !defined(TIOCMGET)
1915 if(commio
->evtmask
& (EV_CTS
| EV_DSR
| EV_RING
| EV_RLSD
))
1918 #if !defined(TIOCM_CTS)
1919 if(commio
->evtmask
& EV_CTS
)
1922 #if !defined(TIOCM_DSR)
1923 if(commio
->evtmask
& EV_DSR
)
1926 #if !defined(TIOCM_RNG)
1927 if(commio
->evtmask
& EV_RING
)
1930 #if !defined(TIOCM_CAR)
1931 if(commio
->evtmask
& EV_RLSD
)
1934 if(commio
->evtmask
& EV_RXFLAG
)
1935 FIXME("EV_RXFLAG not handled\n");
1936 COMM_GetEInfo(fd
,&commio
->irq_info
);
1937 GetCommModemStatus(hFile
, &commio
->mstat
);
1938 /* We might have received something or the TX bufffer is delivered*/
1939 result_mask
= Comm_CheckEvents( fd
, commio
->evtmask
, &commio
->irq_info
, &commio
->irq_info
,commio
->mstat
,commio
->mstat
);
1942 TRACE("Event already met\n");
1943 *lpdwEvents
= result_mask
;
1944 HeapFree(GetProcessHeap(), 0, commio
);
1949 CreateThread(NULL
, 0, COMM_WaitCommEventService
, (LPVOID
)commio
, 0, NULL
);
1950 SetLastError(ERROR_IO_PENDING
);
1953 release_comm_fd( hFile
, fd
);
1955 #if !defined(TIOCINQ) || (!(defined(TIOCSERGETLSR) && defined(TIOCSER_TEMT)) || !defined(TIOCINQ)) || !defined(TIOCMGET) || !defined(TIOCM_CTS) ||!defined(TIOCM_DSR) || !defined(TIOCM_RNG) || !defined(TIOCM_CAR)
1957 FIXME("Returning error because of missing capabilities\n");
1958 release_comm_fd( hFile
, fd
);
1959 HeapFree(GetProcessHeap(), 0, commio
);
1960 SetLastError(ERROR_INVALID_PARAMETER
);
1964 /***********************************************************************
1965 * WaitCommEvent (KERNEL32.@)
1967 * Wait until something interesting happens on a COMM port.
1968 * Interesting things (events) are set by calling SetCommMask before
1969 * this function is called.
1972 * TRUE if successful
1975 * The set of detected events will be written to *lpdwEventMask
1976 * ERROR_IO_PENDING will be returned the overlapped structure was passed
1979 * Only supports EV_RXCHAR and EV_TXEMPTY
1981 BOOL WINAPI
WaitCommEvent(
1982 HANDLE hFile
, /* [in] handle of comm port to wait for */
1983 LPDWORD lpdwEvents
, /* [out] event(s) that were detected */
1984 LPOVERLAPPED lpOverlapped
) /* [in/out] for Asynchronous waiting */
1990 TRACE("(%p %p %p )\n",hFile
, lpdwEvents
,lpOverlapped
);
1993 return COMM_WaitCommEvent(hFile
, lpdwEvents
, lpOverlapped
);
1995 /* if there is no overlapped structure, create our own */
1996 ov
.hEvent
= CreateEventW(NULL
,FALSE
,FALSE
,NULL
);
1998 res
= COMM_WaitCommEvent(hFile
, lpdwEvents
, &ov
);
1999 err
= GetLastError();
2002 if (err
== ERROR_IO_PENDING
)
2006 res
= WaitForSingleObjectEx(ov
.hEvent
, INFINITE
, FALSE
);
2007 } while (res
!= WAIT_OBJECT_0
);
2008 TRACE("Event met\n:");
2013 FIXME("Unknown error 0x%08lx\n", err
);
2019 CloseHandle(ov
.hEvent
);
2024 /***********************************************************************
2025 * GetCommProperties (KERNEL32.@)
2027 * This function fills in a structure with the capabilities of the
2028 * communications port driver.
2032 * TRUE on success, FALSE on failure
2033 * If successful, the lpCommProp structure be filled in with
2034 * properties of the comm port.
2036 BOOL WINAPI
GetCommProperties(
2037 HANDLE hFile
, /* [in] handle of the comm port */
2038 LPCOMMPROP lpCommProp
) /* [out] pointer to struct to be filled */
2040 FIXME("(%p %p )\n",hFile
,lpCommProp
);
2045 * These values should be valid for LINUX's serial driver
2046 * FIXME: Perhaps they deserve an #ifdef LINUX
2048 memset(lpCommProp
,0,sizeof(COMMPROP
));
2049 lpCommProp
->wPacketLength
= 1;
2050 lpCommProp
->wPacketVersion
= 1;
2051 lpCommProp
->dwServiceMask
= SP_SERIALCOMM
;
2052 lpCommProp
->dwReserved1
= 0;
2053 lpCommProp
->dwMaxTxQueue
= 4096;
2054 lpCommProp
->dwMaxRxQueue
= 4096;
2055 lpCommProp
->dwMaxBaud
= BAUD_115200
;
2056 lpCommProp
->dwProvSubType
= PST_RS232
;
2057 lpCommProp
->dwProvCapabilities
= PCF_DTRDSR
| PCF_PARITY_CHECK
| PCF_RTSCTS
| PCF_TOTALTIMEOUTS
;
2058 lpCommProp
->dwSettableParams
= SP_BAUD
| SP_DATABITS
| SP_HANDSHAKING
|
2059 SP_PARITY
| SP_PARITY_CHECK
| SP_STOPBITS
;
2060 lpCommProp
->dwSettableBaud
= BAUD_075
| BAUD_110
| BAUD_134_5
| BAUD_150
|
2061 BAUD_300
| BAUD_600
| BAUD_1200
| BAUD_1800
| BAUD_2400
| BAUD_4800
|
2062 BAUD_9600
| BAUD_19200
| BAUD_38400
| BAUD_57600
| BAUD_115200
;
2063 lpCommProp
->wSettableData
= DATABITS_5
| DATABITS_6
| DATABITS_7
| DATABITS_8
;
2064 lpCommProp
->wSettableStopParity
= STOPBITS_10
| STOPBITS_15
| STOPBITS_20
|
2065 PARITY_NONE
| PARITY_ODD
|PARITY_EVEN
| PARITY_MARK
| PARITY_SPACE
;
2066 lpCommProp
->dwCurrentTxQueue
= lpCommProp
->dwMaxTxQueue
;
2067 lpCommProp
->dwCurrentRxQueue
= lpCommProp
->dwMaxRxQueue
;
2072 /***********************************************************************
2074 * The functionality of CommConfigDialogA, GetDefaultCommConfig and
2075 * SetDefaultCommConfig is implemented in a DLL (usually SERIALUI.DLL).
2076 * This is dependent on the type of COMM port, but since it is doubtful
2077 * anybody will get around to implementing support for fancy serial
2078 * ports in WINE, this is hardcoded for the time being. The name of
2079 * this DLL should be stored in and read from the system registry in
2080 * the hive HKEY_LOCAL_MACHINE, key
2081 * System\\CurrentControlSet\\Services\\Class\\Ports\\????
2082 * where ???? is the port number... that is determined by PNP
2083 * The DLL should be loaded when the COMM port is opened, and closed
2084 * when the COMM port is closed. - MJM 20 June 2000
2085 ***********************************************************************/
2086 static const WCHAR lpszSerialUI
[] = {
2087 's','e','r','i','a','l','u','i','.','d','l','l',0 };
2090 /***********************************************************************
2091 * CommConfigDialogA (KERNEL32.@)
2093 * Raises a dialog that allows the user to configure a comm port.
2094 * Fills the COMMCONFIG struct with information specified by the user.
2095 * This function should call a similar routine in the COMM driver...
2099 * TRUE on success, FALSE on failure
2100 * If successful, the lpCommConfig structure will contain a new
2101 * configuration for the comm port, as specified by the user.
2104 * The library with the CommConfigDialog code is never unloaded.
2105 * Perhaps this should be done when the comm port is closed?
2107 BOOL WINAPI
CommConfigDialogA(
2108 LPCSTR lpszDevice
, /* [in] name of communications device */
2109 HWND hWnd
, /* [in] parent window for the dialog */
2110 LPCOMMCONFIG lpCommConfig
) /* [out] pointer to struct to fill */
2112 FARPROC lpfnCommDialog
;
2113 HMODULE hConfigModule
;
2116 TRACE("(%p %p %p)\n",lpszDevice
, hWnd
, lpCommConfig
);
2118 hConfigModule
= LoadLibraryW(lpszSerialUI
);
2122 lpfnCommDialog
= GetProcAddress(hConfigModule
, "drvCommConfigDialogA");
2125 r
= lpfnCommDialog(lpszDevice
,hWnd
,lpCommConfig
);
2127 FreeLibrary(hConfigModule
);
2132 /***********************************************************************
2133 * CommConfigDialogW (KERNEL32.@)
2135 * See CommConfigDialogA.
2137 BOOL WINAPI
CommConfigDialogW(
2138 LPCWSTR lpszDevice
, /* [in] name of communications device */
2139 HWND hWnd
, /* [in] parent window for the dialog */
2140 LPCOMMCONFIG lpCommConfig
) /* [out] pointer to struct to fill */
2142 FARPROC lpfnCommDialog
;
2143 HMODULE hConfigModule
;
2146 TRACE("(%p %p %p)\n",lpszDevice
, hWnd
, lpCommConfig
);
2148 hConfigModule
= LoadLibraryW(lpszSerialUI
);
2152 lpfnCommDialog
= GetProcAddress(hConfigModule
, "drvCommConfigDialogW");
2155 r
= lpfnCommDialog(lpszDevice
,hWnd
,lpCommConfig
);
2157 FreeLibrary(hConfigModule
);
2162 /***********************************************************************
2163 * GetCommConfig (KERNEL32.@)
2165 * Fill in the COMMCONFIG structure for the comm port hFile
2169 * TRUE on success, FALSE on failure
2170 * If successful, lpCommConfig contains the comm port configuration.
2175 BOOL WINAPI
GetCommConfig(
2176 HANDLE hFile
, /* [in] The communications device. */
2177 LPCOMMCONFIG lpCommConfig
, /* [out] The communications configuration of the device (if it fits). */
2178 LPDWORD lpdwSize
) /* [in/out] Initially the size of the configuration buffer/structure,
2179 afterwards the number of bytes copied to the buffer or
2180 the needed size of the buffer. */
2184 TRACE("(%p %p)\n",hFile
,lpCommConfig
);
2186 if(lpCommConfig
== NULL
)
2188 r
= *lpdwSize
< sizeof(COMMCONFIG
); /* TRUE if not enough space */
2189 *lpdwSize
= sizeof(COMMCONFIG
);
2193 lpCommConfig
->dwSize
= sizeof(COMMCONFIG
);
2194 lpCommConfig
->wVersion
= 1;
2195 lpCommConfig
->wReserved
= 0;
2196 r
= GetCommState(hFile
,&lpCommConfig
->dcb
);
2197 lpCommConfig
->dwProviderSubType
= PST_RS232
;
2198 lpCommConfig
->dwProviderOffset
= 0;
2199 lpCommConfig
->dwProviderSize
= 0;
2204 /***********************************************************************
2205 * SetCommConfig (KERNEL32.@)
2207 * Sets the configuration of the communications device.
2211 * True on success, false if the handle was bad is not a communications device.
2213 BOOL WINAPI
SetCommConfig(
2214 HANDLE hFile
, /* [in] The communications device. */
2215 LPCOMMCONFIG lpCommConfig
, /* [in] The desired configuration. */
2216 DWORD dwSize
) /* [in] size of the lpCommConfig struct */
2218 TRACE("(%p %p)\n",hFile
,lpCommConfig
);
2219 return SetCommState(hFile
,&lpCommConfig
->dcb
);
2222 /***********************************************************************
2223 * SetDefaultCommConfigA (KERNEL32.@)
2225 * Initializes the default configuration for the specified communication
2230 * True if the device was found and the defaults set, false otherwise
2232 BOOL WINAPI
SetDefaultCommConfigW(
2233 LPCWSTR lpszDevice
, /* [in] The ascii name of the device targeted for configuration. */
2234 LPCOMMCONFIG lpCommConfig
, /* [in] The default configuration for the device. */
2235 DWORD dwSize
) /* [in] The number of bytes in the configuration structure. */
2237 FARPROC lpfnSetDefaultCommConfig
;
2238 HMODULE hConfigModule
;
2241 TRACE("(%p %p %lx)\n",lpszDevice
, lpCommConfig
, dwSize
);
2243 hConfigModule
= LoadLibraryW(lpszSerialUI
);
2247 lpfnSetDefaultCommConfig
= GetProcAddress(hConfigModule
, "drvSetDefaultCommConfigW");
2248 if (lpfnSetDefaultCommConfig
)
2249 r
= lpfnSetDefaultCommConfig(lpszDevice
, lpCommConfig
, dwSize
);
2251 FreeLibrary(hConfigModule
);
2257 /***********************************************************************
2258 * SetDefaultCommConfigW (KERNEL32.@)
2260 * Initializes the default configuration for the specified
2261 * communication device. (unicode)
2266 BOOL WINAPI
SetDefaultCommConfigA(
2267 LPCSTR lpszDevice
, /* [in] The unicode name of the device targeted for configuration. */
2268 LPCOMMCONFIG lpCommConfig
, /* [in] The default configuration for the device. */
2269 DWORD dwSize
) /* [in] The number of bytes in the configuration structure. */
2272 LPWSTR lpDeviceW
= NULL
;
2275 TRACE("(%s %p %lx)\n",debugstr_a(lpszDevice
),lpCommConfig
,dwSize
);
2279 len
= MultiByteToWideChar( CP_ACP
, 0, lpszDevice
, -1, NULL
, 0 );
2280 lpDeviceW
= HeapAlloc( GetProcessHeap(), 0, len
*sizeof(WCHAR
) );
2281 MultiByteToWideChar( CP_ACP
, 0, lpszDevice
, -1, lpDeviceW
, len
);
2283 r
= SetDefaultCommConfigW(lpDeviceW
,lpCommConfig
,dwSize
);
2284 HeapFree( GetProcessHeap(), 0, lpDeviceW
);
2289 /***********************************************************************
2290 * GetDefaultCommConfigW (KERNEL32.@)
2292 * Acquires the default configuration of the specified communication device. (unicode)
2296 * True on successful reading of the default configuration,
2297 * if the device is not found or the buffer is too small.
2299 BOOL WINAPI
GetDefaultCommConfigW(
2300 LPCWSTR lpszName
, /* [in] The unicode name of the device targeted for configuration. */
2301 LPCOMMCONFIG lpCC
, /* [out] The default configuration for the device. */
2302 LPDWORD lpdwSize
) /* [in/out] Initially the size of the default configuration buffer,
2303 afterwards the number of bytes copied to the buffer or
2304 the needed size of the buffer. */
2306 LPDCB lpdcb
= &(lpCC
->dcb
);
2308 static const WCHAR comW
[] = {'C','O','M',0};
2309 static const WCHAR formatW
[] = {'C','O','M','%','c',':','3','8','4','0','0',',','n',',','8',',','1',0};
2311 if (strncmpiW(lpszName
,comW
,3)) {
2312 ERR("not implemented for <%s>\n", debugstr_w(lpszName
));
2316 TRACE("(%s %p %ld)\n", debugstr_w(lpszName
), lpCC
, *lpdwSize
);
2317 if (*lpdwSize
< sizeof(COMMCONFIG
)) {
2318 *lpdwSize
= sizeof(COMMCONFIG
);
2322 *lpdwSize
= sizeof(COMMCONFIG
);
2324 lpCC
->dwSize
= sizeof(COMMCONFIG
);
2326 lpCC
->dwProviderSubType
= PST_RS232
;
2327 lpCC
->dwProviderOffset
= 0L;
2328 lpCC
->dwProviderSize
= 0L;
2330 sprintfW( temp
, formatW
, lpszName
[3]);
2331 FIXME("setting %s as default\n", debugstr_w(temp
));
2333 return BuildCommDCBW( temp
, lpdcb
);
2336 /**************************************************************************
2337 * GetDefaultCommConfigA (KERNEL32.@)
2339 * Acquires the default configuration of the specified communication device. (ascii)
2343 * True on successful reading of the default configuration,
2344 * if the device is not found or the buffer is too small.
2346 BOOL WINAPI
GetDefaultCommConfigA(
2347 LPCSTR lpszName
, /* [in] The ascii name of the device targeted for configuration. */
2348 LPCOMMCONFIG lpCC
, /* [out] The default configuration for the device. */
2349 LPDWORD lpdwSize
) /* [in/out] Initially the size of the default configuration buffer,
2350 afterwards the number of bytes copied to the buffer or
2351 the needed size of the buffer. */
2354 UNICODE_STRING lpszNameW
;
2356 TRACE("(%s,%p,%ld)\n",lpszName
,lpCC
,*lpdwSize
);
2357 if(lpszName
) RtlCreateUnicodeStringFromAsciiz(&lpszNameW
,lpszName
);
2358 else lpszNameW
.Buffer
= NULL
;
2360 if(lpszNameW
.Buffer
) ret
= GetDefaultCommConfigW(lpszNameW
.Buffer
,lpCC
,lpdwSize
);
2362 RtlFreeUnicodeString(&lpszNameW
);