/* * DEC 93 Erik Bos * * Copyright 1996 Marcus Meissner * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "wine/port.h" #include #include #include #ifdef HAVE_TERMIOS_H #include #endif #include #include #ifdef HAVE_STRINGS_H # include #endif #include #include #ifdef HAVE_SYS_STAT_H # include #endif #ifdef HAVE_SYS_FILIO_H # include #endif #ifdef HAVE_SYS_IOCTL_H #include #endif #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_POLL_H # include #endif #ifdef HAVE_SYS_MODEM_H # include #endif #ifdef HAVE_SYS_STRTIO_H # include #endif #define NONAMELESSUNION #define NONAMELESSSTRUCT #include "windef.h" #include "winbase.h" #include "winerror.h" #include "winioctl.h" #include "ddk/ntddser.h" #include "wine/server.h" #include "wine/unicode.h" #include "wine/debug.h" #ifdef HAVE_LINUX_SERIAL_H #include #endif WINE_DEFAULT_DEBUG_CHANNEL(comm); /* retrieve the Unix handle corresponding to a comm handle */ static int get_comm_fd( HANDLE handle, DWORD access ) { int fd, ret; ret = wine_server_handle_to_fd( handle, access, &fd, NULL ); if (ret) SetLastError( RtlNtStatusToDosError(ret) ); return fd; } /* release the Unix handle returned by get_comm_fd */ static inline void release_comm_fd( HANDLE handle, int fd ) { wine_server_release_fd( handle, fd ); } /* serial_irq_info * local structure holding the irq values we need for WaitCommEvent() * * Stripped down from struct serial_icounter_struct, which may not be available on some systems * As the modem line interrupts (cts, dsr, rng, dcd) only get updated with TIOCMIWAIT active, * no need to carry them in the internal structure * */ typedef struct serial_irq_info { int rx , tx, frame, overrun, parity, brk, buf_overrun; }serial_irq_info; /*********************************************************************** * Data needed by the thread polling for the changing CommEvent */ typedef struct async_commio { HANDLE handle; char* buffer; HANDLE hEvent; DWORD evtmask; DWORD mstat; serial_irq_info irq_info; } async_commio; /***********************************************************************/ #if !defined(TIOCINQ) && defined(FIONREAD) #define TIOCINQ FIONREAD #endif /*********************************************************************** * Get extended interrupt count info, needed for WaitCommEvent */ static int COMM_GetEInfo(int fd, serial_irq_info *irq_info) { #ifdef TIOCGICOUNT struct serial_icounter_struct einfo; if (!ioctl(fd,TIOCGICOUNT, &einfo)) { irq_info->rx = einfo.rx; irq_info->tx = einfo.tx; irq_info->frame = einfo.frame; irq_info->overrun = einfo.overrun; irq_info->parity = einfo.parity; irq_info->brk = einfo.brk; irq_info->buf_overrun = einfo.buf_overrun; return 0; } #endif memset(irq_info,0, sizeof(serial_irq_info)); return -1; } static int COMM_WhackModem(int fd, unsigned int andy, unsigned int orrie) { #ifdef TIOCMGET unsigned int mstat, okay; okay = ioctl(fd, TIOCMGET, &mstat); if (okay) return okay; if (andy) mstat &= andy; mstat |= orrie; return ioctl(fd, TIOCMSET, &mstat); #else return 0; #endif } /*********************************************************************** * COMM_Parse* (Internal) * * The following COMM_Parse* functions are used by the BuildCommDCB * functions to help parse the various parts of the device control string. */ static LPCWSTR COMM_ParseStart(LPCWSTR ptr) { static const WCHAR comW[] = {'C','O','M',0}; /* The device control string may optionally start with "COMx" followed by an optional ':' and spaces. */ if(!strncmpiW(ptr, comW, 3)) { ptr += 3; /* Allow any com port above 0 as Win 9x does (NT only allows values for com ports which are actually present) */ if(*ptr < '1' || *ptr > '9') return NULL; /* Advance pointer past port number */ while(*ptr >= '0' && *ptr <= '9') ptr++; /* The com port number must be followed by a ':' or ' ' */ if(*ptr != ':' && *ptr != ' ') return NULL; /* Advance pointer to beginning of next parameter */ while(*ptr == ' ') ptr++; if(*ptr == ':') { ptr++; while(*ptr == ' ') ptr++; } } /* The device control string must not start with a space. */ else if(*ptr == ' ') return NULL; return ptr; } static LPCWSTR COMM_ParseNumber(LPCWSTR ptr, LPDWORD lpnumber) { if(*ptr < '0' || *ptr > '9') return NULL; *lpnumber = strtoulW(ptr, NULL, 10); while(*ptr >= '0' && *ptr <= '9') ptr++; return ptr; } static LPCWSTR COMM_ParseParity(LPCWSTR ptr, LPBYTE lpparity) { /* Contrary to what you might expect, Windows only sets the Parity member of DCB and not fParity even when parity is specified in the device control string */ switch(toupperW(*ptr++)) { case 'E': *lpparity = EVENPARITY; break; case 'M': *lpparity = MARKPARITY; break; case 'N': *lpparity = NOPARITY; break; case 'O': *lpparity = ODDPARITY; break; case 'S': *lpparity = SPACEPARITY; break; default: return NULL; } return ptr; } static LPCWSTR COMM_ParseByteSize(LPCWSTR ptr, LPBYTE lpbytesize) { DWORD temp; if(!(ptr = COMM_ParseNumber(ptr, &temp))) return NULL; if(temp >= 5 && temp <= 8) { *lpbytesize = temp; return ptr; } else return NULL; } static LPCWSTR COMM_ParseStopBits(LPCWSTR ptr, LPBYTE lpstopbits) { DWORD temp; static const WCHAR stopbits15W[] = {'1','.','5',0}; if(!strncmpW(stopbits15W, ptr, 3)) { ptr += 3; *lpstopbits = ONE5STOPBITS; } else { if(!(ptr = COMM_ParseNumber(ptr, &temp))) return NULL; if(temp == 1) *lpstopbits = ONESTOPBIT; else if(temp == 2) *lpstopbits = TWOSTOPBITS; else return NULL; } return ptr; } static LPCWSTR COMM_ParseOnOff(LPCWSTR ptr, LPDWORD lponoff) { static const WCHAR onW[] = {'o','n',0}; static const WCHAR offW[] = {'o','f','f',0}; if(!strncmpiW(onW, ptr, 2)) { ptr += 2; *lponoff = 1; } else if(!strncmpiW(offW, ptr, 3)) { ptr += 3; *lponoff = 0; } else return NULL; return ptr; } /*********************************************************************** * COMM_BuildOldCommDCB (Internal) * * Build a DCB using the old style settings string eg: "96,n,8,1" */ static BOOL COMM_BuildOldCommDCB(LPCWSTR device, LPDCB lpdcb) { WCHAR last = 0; if(!(device = COMM_ParseNumber(device, &lpdcb->BaudRate))) return FALSE; switch(lpdcb->BaudRate) { case 11: case 30: case 60: lpdcb->BaudRate *= 10; break; case 12: case 24: case 48: case 96: lpdcb->BaudRate *= 100; break; case 19: lpdcb->BaudRate = 19200; break; } while(*device == ' ') device++; if(*device++ != ',') return FALSE; while(*device == ' ') device++; if(!(device = COMM_ParseParity(device, &lpdcb->Parity))) return FALSE; while(*device == ' ') device++; if(*device++ != ',') return FALSE; while(*device == ' ') device++; if(!(device = COMM_ParseByteSize(device, &lpdcb->ByteSize))) return FALSE; while(*device == ' ') device++; if(*device++ != ',') return FALSE; while(*device == ' ') device++; if(!(device = COMM_ParseStopBits(device, &lpdcb->StopBits))) return FALSE; /* The last parameter for flow control is optional. */ while(*device == ' ') device++; if(*device == ',') { device++; while(*device == ' ') device++; if(*device) last = toupperW(*device++); while(*device == ' ') device++; } /* Win NT sets the flow control members based on (or lack of) the last parameter. Win 9x does not set these members. */ switch(last) { case 0: lpdcb->fInX = FALSE; lpdcb->fOutX = FALSE; lpdcb->fOutxCtsFlow = FALSE; lpdcb->fOutxDsrFlow = FALSE; lpdcb->fDtrControl = DTR_CONTROL_ENABLE; lpdcb->fRtsControl = RTS_CONTROL_ENABLE; break; case 'X': lpdcb->fInX = TRUE; lpdcb->fOutX = TRUE; lpdcb->fOutxCtsFlow = FALSE; lpdcb->fOutxDsrFlow = FALSE; lpdcb->fDtrControl = DTR_CONTROL_ENABLE; lpdcb->fRtsControl = RTS_CONTROL_ENABLE; break; case 'P': lpdcb->fInX = FALSE; lpdcb->fOutX = FALSE; lpdcb->fOutxCtsFlow = TRUE; lpdcb->fOutxDsrFlow = TRUE; lpdcb->fDtrControl = DTR_CONTROL_HANDSHAKE; lpdcb->fRtsControl = RTS_CONTROL_HANDSHAKE; break; default: return FALSE; } /* This should be the end of the string. */ if(*device) return FALSE; return TRUE; } /*********************************************************************** * COMM_BuildNewCommDCB (Internal) * * Build a DCB using the new style settings string. * eg: "baud=9600 parity=n data=8 stop=1 xon=on to=on" */ static BOOL COMM_BuildNewCommDCB(LPCWSTR device, LPDCB lpdcb, LPCOMMTIMEOUTS lptimeouts) { DWORD temp; BOOL baud = FALSE, stop = FALSE; static const WCHAR baudW[] = {'b','a','u','d','=',0}; static const WCHAR parityW[] = {'p','a','r','i','t','y','=',0}; static const WCHAR dataW[] = {'d','a','t','a','=',0}; static const WCHAR stopW[] = {'s','t','o','p','=',0}; static const WCHAR toW[] = {'t','o','=',0}; static const WCHAR xonW[] = {'x','o','n','=',0}; static const WCHAR odsrW[] = {'o','d','s','r','=',0}; static const WCHAR octsW[] = {'o','c','t','s','=',0}; static const WCHAR dtrW[] = {'d','t','r','=',0}; static const WCHAR rtsW[] = {'r','t','s','=',0}; static const WCHAR idsrW[] = {'i','d','s','r','=',0}; while(*device) { while(*device == ' ') device++; if(!strncmpiW(baudW, device, 5)) { baud = TRUE; if(!(device = COMM_ParseNumber(device + 5, &lpdcb->BaudRate))) return FALSE; } else if(!strncmpiW(parityW, device, 7)) { if(!(device = COMM_ParseParity(device + 7, &lpdcb->Parity))) return FALSE; } else if(!strncmpiW(dataW, device, 5)) { if(!(device = COMM_ParseByteSize(device + 5, &lpdcb->ByteSize))) return FALSE; } else if(!strncmpiW(stopW, device, 5)) { stop = TRUE; if(!(device = COMM_ParseStopBits(device + 5, &lpdcb->StopBits))) return FALSE; } else if(!strncmpiW(toW, device, 3)) { if(!(device = COMM_ParseOnOff(device + 3, &temp))) return FALSE; lptimeouts->ReadIntervalTimeout = 0; lptimeouts->ReadTotalTimeoutMultiplier = 0; lptimeouts->ReadTotalTimeoutConstant = 0; lptimeouts->WriteTotalTimeoutMultiplier = 0; lptimeouts->WriteTotalTimeoutConstant = temp ? 60000 : 0; } else if(!strncmpiW(xonW, device, 4)) { if(!(device = COMM_ParseOnOff(device + 4, &temp))) return FALSE; lpdcb->fOutX = temp; lpdcb->fInX = temp; } else if(!strncmpiW(odsrW, device, 5)) { if(!(device = COMM_ParseOnOff(device + 5, &temp))) return FALSE; lpdcb->fOutxDsrFlow = temp; } else if(!strncmpiW(octsW, device, 5)) { if(!(device = COMM_ParseOnOff(device + 5, &temp))) return FALSE; lpdcb->fOutxCtsFlow = temp; } else if(!strncmpiW(dtrW, device, 4)) { if(!(device = COMM_ParseOnOff(device + 4, &temp))) return FALSE; lpdcb->fDtrControl = temp; } else if(!strncmpiW(rtsW, device, 4)) { if(!(device = COMM_ParseOnOff(device + 4, &temp))) return FALSE; lpdcb->fRtsControl = temp; } else if(!strncmpiW(idsrW, device, 5)) { if(!(device = COMM_ParseOnOff(device + 5, &temp))) return FALSE; /* Win NT sets the fDsrSensitivity member based on the idsr parameter. Win 9x sets fOutxDsrFlow instead. */ lpdcb->fDsrSensitivity = temp; } else return FALSE; /* After the above parsing, the next character (if not the end of the string) should be a space */ if(*device && *device != ' ') return FALSE; } /* If stop bits were not specified, a default is always supplied. */ if(!stop) { if(baud && lpdcb->BaudRate == 110) lpdcb->StopBits = TWOSTOPBITS; else lpdcb->StopBits = ONESTOPBIT; } return TRUE; } /************************************************************************** * BuildCommDCBA (KERNEL32.@) * * Updates a device control block data structure with values from an * ascii device control string. The device control string has two forms * normal and extended, it must be exclusively in one or the other form. * * RETURNS * * True on success, false on a malformed control string. */ BOOL WINAPI BuildCommDCBA( LPCSTR device, /* [in] The ascii device control string used to update the DCB. */ LPDCB lpdcb) /* [out] The device control block to be updated. */ { return BuildCommDCBAndTimeoutsA(device,lpdcb,NULL); } /************************************************************************** * BuildCommDCBAndTimeoutsA (KERNEL32.@) * * Updates a device control block data structure with values from an * ascii device control string. Taking timeout values from a timeouts * struct if desired by the control string. * * RETURNS * * True on success, false bad handles etc. */ BOOL WINAPI BuildCommDCBAndTimeoutsA( LPCSTR device, /* [in] The ascii device control string. */ LPDCB lpdcb, /* [out] The device control block to be updated. */ LPCOMMTIMEOUTS lptimeouts) /* [in] The COMMTIMEOUTS structure to be updated. */ { BOOL ret = FALSE; UNICODE_STRING deviceW; TRACE("(%s,%p,%p)\n",device,lpdcb,lptimeouts); if(device) RtlCreateUnicodeStringFromAsciiz(&deviceW,device); else deviceW.Buffer = NULL; if(deviceW.Buffer) ret = BuildCommDCBAndTimeoutsW(deviceW.Buffer,lpdcb,lptimeouts); RtlFreeUnicodeString(&deviceW); return ret; } /************************************************************************** * BuildCommDCBAndTimeoutsW (KERNEL32.@) * * Updates a device control block data structure with values from a * unicode device control string. Taking timeout values from a timeouts * struct if desired by the control string. * * RETURNS * * True on success, false bad handles etc */ BOOL WINAPI BuildCommDCBAndTimeoutsW( LPCWSTR devid, /* [in] The unicode device control string. */ LPDCB lpdcb, /* [out] The device control block to be updated. */ LPCOMMTIMEOUTS lptimeouts) /* [in] The COMMTIMEOUTS structure to be updated. */ { DCB dcb; COMMTIMEOUTS timeouts; BOOL result; LPCWSTR ptr = devid; TRACE("(%s,%p,%p)\n",debugstr_w(devid),lpdcb,lptimeouts); /* Set DCBlength. (Windows NT does not do this, but 9x does) */ lpdcb->DCBlength = sizeof(DCB); /* Make a copy of the original data structures to work with since if if there is an error in the device control string the originals should not be modified (except possibly DCBlength) */ memcpy(&dcb, lpdcb, sizeof(DCB)); if(lptimeouts) memcpy(&timeouts, lptimeouts, sizeof(COMMTIMEOUTS)); ptr = COMM_ParseStart(ptr); if(ptr == NULL) result = FALSE; else if(strchrW(ptr, ',')) result = COMM_BuildOldCommDCB(ptr, &dcb); else result = COMM_BuildNewCommDCB(ptr, &dcb, &timeouts); if(result) { memcpy(lpdcb, &dcb, sizeof(DCB)); if(lptimeouts) memcpy(lptimeouts, &timeouts, sizeof(COMMTIMEOUTS)); return TRUE; } else { WARN("Invalid device control string: %s\n", debugstr_w(devid)); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } } /************************************************************************** * BuildCommDCBW (KERNEL32.@) * * Updates a device control block structure with values from an * unicode device control string. The device control string has two forms * normal and extended, it must be exclusively in one or the other form. * * RETURNS * * True on success, false on a malformed control string. */ BOOL WINAPI BuildCommDCBW( LPCWSTR devid, /* [in] The unicode device control string. */ LPDCB lpdcb) /* [out] The device control block to be updated. */ { return BuildCommDCBAndTimeoutsW(devid,lpdcb,NULL); } /***************************************************************************** * SetCommBreak (KERNEL32.@) * * Halts the transmission of characters to a communications device. * * PARAMS * handle [in] The communications device to suspend * * RETURNS * * True on success, and false if the communications device could not be found, * the control is not supported. * * BUGS * * Only TIOCSBRK and TIOCCBRK are supported. */ BOOL WINAPI SetCommBreak(HANDLE handle) { return DeviceIoControl(handle, IOCTL_SERIAL_SET_BREAK_ON, NULL, 0, NULL, 0, NULL, NULL); } /***************************************************************************** * ClearCommBreak (KERNEL32.@) * * Resumes character transmission from a communication device. * * PARAMS * * handle [in] The halted communication device whose character transmission is to be resumed * * RETURNS * * True on success and false if the communications device could not be found. * * BUGS * * Only TIOCSBRK and TIOCCBRK are supported. */ BOOL WINAPI ClearCommBreak(HANDLE handle) { return DeviceIoControl(handle, IOCTL_SERIAL_SET_BREAK_OFF, NULL, 0, NULL, 0, NULL, NULL); } /***************************************************************************** * EscapeCommFunction (KERNEL32.@) * * Directs a communication device to perform an extended function. * * RETURNS * * True or requested data on successful completion of the command, * false if the device is not present cannot execute the command * or the command failed. */ BOOL WINAPI EscapeCommFunction( HANDLE handle, /* [in] The communication device to perform the extended function. */ UINT nFunction) /* [in] The extended function to be performed. */ { int fd,direct=FALSE,result=FALSE; struct termios port; TRACE("handle %p, function=%d\n", handle, nFunction); fd = get_comm_fd( handle, FILE_READ_DATA ); if(fd<0) return FALSE; if (tcgetattr(fd,&port) == -1) { release_comm_fd( handle, fd ); return FALSE; } switch (nFunction) { case RESETDEV: TRACE("\n"); break; case CLRDTR: TRACE("CLRDTR\n"); #ifdef TIOCM_DTR direct=TRUE; result= COMM_WhackModem(fd, ~TIOCM_DTR, 0); break; #endif case CLRRTS: TRACE("CLRRTS\n"); #ifdef TIOCM_RTS direct=TRUE; result= COMM_WhackModem(fd, ~TIOCM_RTS, 0); break; #endif case SETDTR: TRACE("SETDTR\n"); #ifdef TIOCM_DTR direct=TRUE; result= COMM_WhackModem(fd, 0, TIOCM_DTR); break; #endif case SETRTS: TRACE("SETRTS\n"); #ifdef TIOCM_RTS direct=TRUE; result= COMM_WhackModem(fd, 0, TIOCM_RTS); break; #endif case SETXOFF: TRACE("SETXOFF\n"); port.c_iflag |= IXOFF; break; case SETXON: TRACE("SETXON\n"); port.c_iflag |= IXON; break; case SETBREAK: TRACE("setbreak\n"); #ifdef TIOCSBRK direct=TRUE; result = ioctl(fd,TIOCSBRK,0); break; #endif case CLRBREAK: TRACE("clrbreak\n"); #ifdef TIOCSBRK direct=TRUE; result = ioctl(fd,TIOCCBRK,0); break; #endif default: WARN("(handle=%p,nFunction=%d): Unknown function\n", handle, nFunction); break; } if (!direct) if (tcsetattr(fd, TCSADRAIN, &port) == -1) { release_comm_fd( handle, fd ); return FALSE; } else result= TRUE; else { if (result == -1) { result= FALSE; } else result = TRUE; } release_comm_fd( handle, fd ); return result; } /******************************************************************** * PurgeComm (KERNEL32.@) * * Terminates pending operations and/or discards buffers on a * communication resource. * * PARAMS * * handle [in] The communication resource to be purged * flags [in] Flags for clear pending/buffer on input/output * * RETURNS * * True on success and false if the communications handle is bad. */ BOOL WINAPI PurgeComm(HANDLE handle, DWORD flags) { return DeviceIoControl(handle, IOCTL_SERIAL_PURGE, &flags, sizeof(flags), NULL, 0, NULL, NULL); } /***************************************************************************** * ClearCommError (KERNEL32.@) * * Enables further I/O operations on a communications resource after * supplying error and current status information. * * PARAMS * * handle [in] The communication resource with the error * errors [out] Flags indicating error the resource experienced * lpStat [out] The status of the communication resource * RETURNS * * True on success, false if the communication resource handle is bad. */ BOOL WINAPI ClearCommError(HANDLE handle, LPDWORD errors, LPCOMSTAT lpStat) { SERIAL_STATUS ss; if (!DeviceIoControl(handle, IOCTL_SERIAL_GET_COMMSTATUS, NULL, 0, &ss, sizeof(ss), NULL, NULL)) return FALSE; if (errors) { *errors = 0; if (ss.Errors & SERIAL_ERROR_BREAK) *errors |= CE_BREAK; if (ss.Errors & SERIAL_ERROR_FRAMING) *errors |= CE_FRAME; if (ss.Errors & SERIAL_ERROR_OVERRUN) *errors |= CE_OVERRUN; if (ss.Errors & SERIAL_ERROR_QUEUEOVERRUN) *errors |= CE_RXOVER; if (ss.Errors & SERIAL_ERROR_PARITY) *errors |= CE_RXPARITY; } if (lpStat) { memset(lpStat, 0, sizeof(*lpStat)); if (ss.HoldReasons & SERIAL_TX_WAITING_FOR_CTS) lpStat->fCtsHold = TRUE; if (ss.HoldReasons & SERIAL_TX_WAITING_FOR_DSR) lpStat->fDsrHold = TRUE; if (ss.HoldReasons & SERIAL_TX_WAITING_FOR_DCD) lpStat->fRlsdHold = TRUE; if (ss.HoldReasons & SERIAL_TX_WAITING_FOR_XON) lpStat->fXoffHold = TRUE; if (ss.HoldReasons & SERIAL_TX_WAITING_XOFF_SENT) lpStat->fXoffSent = TRUE; if (ss.EofReceived) lpStat->fEof = TRUE; if (ss.WaitForImmediate) lpStat->fTxim = TRUE; lpStat->cbInQue = ss.AmountInInQueue; lpStat->cbOutQue = ss.AmountInOutQueue; } return TRUE; } /***************************************************************************** * SetupComm (KERNEL32.@) * * Called after CreateFile to hint to the communication resource to use * specified sizes for input and output buffers rather than the default values. * * RETURNS * * True if successful, false if the communications resource handle is bad. * * BUGS * * Stub. */ BOOL WINAPI SetupComm( HANDLE handle, /* [in] The just created communication resource handle. */ DWORD insize, /* [in] The suggested size of the communication resources input buffer in bytes. */ DWORD outsize) /* [in] The suggested size of the communication resources output buffer in bytes. */ { int fd; FIXME("insize %ld outsize %ld unimplemented stub\n", insize, outsize); fd=get_comm_fd( handle, FILE_READ_DATA ); if(0>fd) return FALSE; release_comm_fd( handle, fd ); return TRUE; } /***************************************************************************** * GetCommMask (KERNEL32.@) * * Obtain the events associated with a communication device that will cause * a call WaitCommEvent to return. * * PARAMS * * handle [in] The communications device * evtmask [out] The events which cause WaitCommEvent to return * * RETURNS * * True on success, fail on bad device handle etc. */ BOOL WINAPI GetCommMask(HANDLE handle, LPDWORD evtmask) { TRACE("handle %p, mask %p\n", handle, evtmask); return DeviceIoControl(handle, IOCTL_SERIAL_GET_WAIT_MASK, NULL, 0, evtmask, sizeof(*evtmask), NULL, NULL); } /***************************************************************************** * SetCommMask (KERNEL32.@) * * There be some things we need to hear about yon there communications device. * (Set which events associated with a communication device should cause * a call WaitCommEvent to return.) * * PARAMS * * handle [in] The communications device * evtmask [in] The events that are to be monitored * * RETURNS * * True on success, false on bad handle etc. */ BOOL WINAPI SetCommMask(HANDLE handle, DWORD evtmask) { TRACE("handle %p, mask %lx\n", handle, evtmask); return DeviceIoControl(handle, IOCTL_SERIAL_SET_WAIT_MASK, &evtmask, sizeof(evtmask), NULL, 0, NULL, NULL); } static void dump_dcb(const DCB* lpdcb) { TRACE("bytesize=%d baudrate=%ld fParity=%d Parity=%d stopbits=%d\n", lpdcb->ByteSize, lpdcb->BaudRate, lpdcb->fParity, lpdcb->Parity, (lpdcb->StopBits == ONESTOPBIT) ? 1 : (lpdcb->StopBits == TWOSTOPBITS) ? 2 : 0); TRACE("%sIXON %sIXOFF\n", (lpdcb->fInX) ? "" : "~", (lpdcb->fOutX) ? "" : "~"); TRACE("fOutxCtsFlow=%d fRtsControl=%d\n", lpdcb->fOutxCtsFlow, lpdcb->fRtsControl); TRACE("fOutxDsrFlow=%d fDtrControl=%d\n", lpdcb->fOutxDsrFlow, lpdcb->fDtrControl); if (lpdcb->fOutxCtsFlow || lpdcb->fRtsControl == RTS_CONTROL_HANDSHAKE) TRACE("CRTSCTS\n"); else TRACE("~CRTSCTS\n"); } /***************************************************************************** * SetCommState (KERNEL32.@) * * Re-initializes all hardware and control settings of a communications device, * with values from a device control block without effecting the input and output * queues. * * PARAMS * * handle [in] The communications device * lpdcb [out] The device control block * * RETURNS * * True on success, false on failure eg if the XonChar is equal to the XoffChar. */ BOOL WINAPI SetCommState( HANDLE handle, LPDCB lpdcb) { SERIAL_BAUD_RATE sbr; SERIAL_LINE_CONTROL slc; SERIAL_HANDFLOW shf; SERIAL_CHARS sc; if (lpdcb == NULL) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } dump_dcb(lpdcb); sbr.BaudRate = lpdcb->BaudRate; slc.StopBits = lpdcb->StopBits; slc.Parity = lpdcb->Parity; slc.WordLength = lpdcb->ByteSize; shf.ControlHandShake = 0; shf.FlowReplace = 0; if (lpdcb->fOutxCtsFlow) shf.ControlHandShake |= SERIAL_CTS_HANDSHAKE; if (lpdcb->fOutxDsrFlow) shf.ControlHandShake |= SERIAL_DSR_HANDSHAKE; switch (lpdcb->fDtrControl) { case DTR_CONTROL_DISABLE: break; case DTR_CONTROL_ENABLE: shf.ControlHandShake |= SERIAL_DTR_CONTROL; break; case DTR_CONTROL_HANDSHAKE: shf.ControlHandShake |= SERIAL_DTR_HANDSHAKE;break; default: SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } switch (lpdcb->fDtrControl) { case RTS_CONTROL_DISABLE: break; case RTS_CONTROL_ENABLE: shf.FlowReplace |= SERIAL_RTS_CONTROL; break; case RTS_CONTROL_HANDSHAKE: shf.FlowReplace |= SERIAL_RTS_HANDSHAKE; break; case RTS_CONTROL_TOGGLE: shf.FlowReplace |= SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE; break; default: SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (lpdcb->fDsrSensitivity) shf.ControlHandShake |= SERIAL_DSR_SENSITIVITY; if (lpdcb->fAbortOnError) shf.ControlHandShake |= SERIAL_ERROR_ABORT; if (lpdcb->fErrorChar) shf.FlowReplace |= SERIAL_ERROR_CHAR; if (lpdcb->fNull) shf.FlowReplace |= SERIAL_NULL_STRIPPING; if (lpdcb->fTXContinueOnXoff) shf.FlowReplace |= SERIAL_XOFF_CONTINUE; if (lpdcb->fOutX) shf.FlowReplace |= SERIAL_AUTO_TRANSMIT; if (lpdcb->fInX) shf.FlowReplace |= SERIAL_AUTO_RECEIVE; shf.XonLimit = lpdcb->XonLim; shf.XoffLimit = lpdcb->XoffLim; sc.EofChar = lpdcb->EofChar; sc.ErrorChar = lpdcb->ErrorChar; sc.BreakChar = 0; sc.EventChar = lpdcb->EvtChar; sc.XonChar = lpdcb->XonChar; sc.XoffChar = lpdcb->XoffChar; /* note: change DTR/RTS lines after setting the comm attributes, * so flow control does not interfere. */ return (DeviceIoControl(handle, IOCTL_SERIAL_SET_BAUD_RATE, &sbr, sizeof(sbr), NULL, 0, NULL, NULL) && DeviceIoControl(handle, IOCTL_SERIAL_SET_LINE_CONTROL, &slc, sizeof(slc), NULL, 0, NULL, NULL) && DeviceIoControl(handle, IOCTL_SERIAL_SET_HANDFLOW, &shf, sizeof(shf), NULL, 0, NULL, NULL) && DeviceIoControl(handle, IOCTL_SERIAL_SET_CHARS, &sc, sizeof(sc), NULL, 0, NULL, NULL)); } /***************************************************************************** * GetCommState (KERNEL32.@) * * Fills in a device control block with information from a communications device. * * RETURNS * * True on success, false if the communication device handle is bad etc * * BUGS * * XonChar and XoffChar are not set. */ BOOL WINAPI GetCommState( HANDLE handle, /* [in] The communications device. */ LPDCB lpdcb) /* [out] The device control block. */ { struct termios port; int fd,speed; int stat = DTR_CONTROL_ENABLE | RTS_CONTROL_ENABLE; TRACE("handle %p, ptr %p\n", handle, lpdcb); fd = get_comm_fd( handle, FILE_READ_DATA ); if (fd < 0) return FALSE; if (tcgetattr(fd, &port) == -1) { int save_error=errno; ERR("tcgetattr error '%s'\n", strerror(save_error)); release_comm_fd( handle, fd ); return FALSE; } #ifdef TIOCMGET if (ioctl(fd, TIOCMGET, &stat) == -1) { int save_error=errno; WARN("ioctl error '%s'\n", strerror(save_error)); stat = DTR_CONTROL_ENABLE | RTS_CONTROL_ENABLE; } #endif release_comm_fd( handle, fd ); #ifndef __EMX__ #ifdef CBAUD speed= (port.c_cflag & CBAUD); #else speed= (cfgetospeed(&port)); #endif switch (speed) { case B0: lpdcb->BaudRate = 0; break; case B50: lpdcb->BaudRate = 50; break; case B75: lpdcb->BaudRate = 75; break; case B110: lpdcb->BaudRate = 110; break; case B134: lpdcb->BaudRate = 134; break; case B150: lpdcb->BaudRate = 150; break; case B200: lpdcb->BaudRate = 200; break; case B300: lpdcb->BaudRate = 300; break; case B600: lpdcb->BaudRate = 600; break; case B1200: lpdcb->BaudRate = 1200; break; case B1800: lpdcb->BaudRate = 1800; break; case B2400: lpdcb->BaudRate = 2400; break; case B4800: lpdcb->BaudRate = 4800; break; case B9600: lpdcb->BaudRate = 9600; break; case B19200: lpdcb->BaudRate = 19200; break; case B38400: lpdcb->BaudRate = 38400; break; #ifdef B57600 case B57600: lpdcb->BaudRate = 57600; break; #endif #ifdef B115200 case B115200: lpdcb->BaudRate = 115200; break; #endif #ifdef B230400 case B230400: lpdcb->BaudRate = 230400; break; #endif #ifdef B460800 case B460800: lpdcb->BaudRate = 460800; break; #endif default: ERR("unknown speed %x\n", speed); } #endif switch (port.c_cflag & CSIZE) { case CS5: lpdcb->ByteSize = 5; break; case CS6: lpdcb->ByteSize = 6; break; case CS7: lpdcb->ByteSize = 7; break; case CS8: lpdcb->ByteSize = 8; break; default: ERR("unknown size %x\n", port.c_cflag & CSIZE); } if(port.c_iflag & INPCK) lpdcb->fParity = TRUE; else lpdcb->fParity = FALSE; #ifdef CMSPAR switch (port.c_cflag & (PARENB | PARODD | CMSPAR)) #else switch (port.c_cflag & (PARENB | PARODD)) #endif { case 0: lpdcb->Parity = NOPARITY; break; case PARENB: lpdcb->Parity = EVENPARITY; break; case (PARENB | PARODD): lpdcb->Parity = ODDPARITY; break; #ifdef CMSPAR case (PARENB | CMSPAR): lpdcb->Parity = MARKPARITY; break; case (PARENB | PARODD | CMSPAR): lpdcb->Parity = SPACEPARITY; break; #endif } if (port.c_cflag & CSTOPB) if(lpdcb->ByteSize == 5) lpdcb->StopBits = ONE5STOPBITS; else lpdcb->StopBits = TWOSTOPBITS; else lpdcb->StopBits = ONESTOPBIT; lpdcb->fNull = 0; lpdcb->fBinary = 1; /* termios does not support DTR/DSR flow control */ lpdcb->fOutxDsrFlow = 0; lpdcb->fDtrControl = #ifdef TIOCM_DTR !(stat & TIOCM_DTR) ? DTR_CONTROL_DISABLE: #endif DTR_CONTROL_ENABLE ; #ifdef CRTSCTS if (port.c_cflag & CRTSCTS) { lpdcb->fRtsControl = RTS_CONTROL_HANDSHAKE; lpdcb->fOutxCtsFlow = 1; } else #endif { lpdcb->fRtsControl = #ifdef TIOCM_RTS !(stat & TIOCM_RTS) ? RTS_CONTROL_DISABLE : #endif RTS_CONTROL_ENABLE ; lpdcb->fOutxCtsFlow = 0; } if (port.c_iflag & IXON) lpdcb->fInX = 1; else lpdcb->fInX = 0; if (port.c_iflag & IXOFF) lpdcb->fOutX = 1; else lpdcb->fOutX = 0; /* lpdcb->XonChar = lpdcb->XoffChar = */ lpdcb->XonLim = 10; lpdcb->XoffLim = 10; TRACE("OK\n"); TRACE("bytesize %d baudrate %ld fParity %d Parity %d stopbits %d\n", lpdcb->ByteSize,lpdcb->BaudRate,lpdcb->fParity, lpdcb->Parity, (lpdcb->StopBits == ONESTOPBIT)?1: (lpdcb->StopBits == TWOSTOPBITS)?2:0); TRACE("%s %s\n",(lpdcb->fInX)?"IXON":"~IXON", (lpdcb->fOutX)?"IXOFF":"~IXOFF"); TRACE("fOutxCtsFlow %d fRtsControl %d\n", lpdcb->fOutxCtsFlow, lpdcb->fRtsControl); TRACE("fOutxDsrFlow %d fDtrControl%d\n", lpdcb->fOutxDsrFlow, lpdcb->fDtrControl); #ifdef CRTSCTS if ( lpdcb->fOutxCtsFlow || lpdcb->fRtsControl == RTS_CONTROL_HANDSHAKE ) TRACE("CRTSCTS\n"); else TRACE("~CRTSCTS\n"); #endif return TRUE; } /***************************************************************************** * TransmitCommChar (KERNEL32.@) * * Transmits a single character in front of any pending characters in the * output buffer. Usually used to send an interrupt character to a host. * * PARAMS * hComm [in] The communication device in need of a command character * chTransmit [in] The character to transmit * * RETURNS * * True if the call succeeded, false if the previous command character to the * same device has not been sent yet the handle is bad etc. * */ BOOL WINAPI TransmitCommChar(HANDLE hComm, CHAR chTransmit) { return DeviceIoControl(hComm, IOCTL_SERIAL_IMMEDIATE_CHAR, &chTransmit, sizeof(chTransmit), NULL, 0, NULL, NULL); } /***************************************************************************** * GetCommTimeouts (KERNEL32.@) * * Obtains the request timeout values for the communications device. * * RETURNS * * True on success, false if communications device handle is bad * or the target structure is null. */ BOOL WINAPI GetCommTimeouts( HANDLE hComm, /* [in] The communications device. */ LPCOMMTIMEOUTS lptimeouts) /* [out] The struct of request timeouts. */ { BOOL ret; TRACE("(%p,%p)\n",hComm,lptimeouts); if(!lptimeouts) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } SERVER_START_REQ( get_serial_info ) { req->handle = hComm; if ((ret = !wine_server_call_err( req ))) { lptimeouts->ReadIntervalTimeout = reply->readinterval; lptimeouts->ReadTotalTimeoutMultiplier = reply->readmult; lptimeouts->ReadTotalTimeoutConstant = reply->readconst; lptimeouts->WriteTotalTimeoutMultiplier = reply->writemult; lptimeouts->WriteTotalTimeoutConstant = reply->writeconst; } } SERVER_END_REQ; return ret; } /***************************************************************************** * SetCommTimeouts (KERNEL32.@) * * Sets the timeouts used when reading and writing data to/from COMM ports. * * ReadIntervalTimeout * - converted and passes to linux kernel as c_cc[VTIME] * ReadTotalTimeoutMultiplier, ReadTotalTimeoutConstant * - used in ReadFile to calculate GetOverlappedResult's timeout * WriteTotalTimeoutMultiplier, WriteTotalTimeoutConstant * - used in WriteFile to calculate GetOverlappedResult's timeout * * RETURNS * * True if the timeouts were set, false otherwise. */ BOOL WINAPI SetCommTimeouts( HANDLE hComm, /* [in] handle of COMM device */ LPCOMMTIMEOUTS lptimeouts) /* [in] pointer to COMMTIMEOUTS structure */ { BOOL ret; int fd; struct termios tios; TRACE("(%p,%p)\n",hComm,lptimeouts); if(!lptimeouts) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } SERVER_START_REQ( set_serial_info ) { req->handle = hComm; req->flags = SERIALINFO_SET_TIMEOUTS; req->readinterval = lptimeouts->ReadIntervalTimeout ; req->readmult = lptimeouts->ReadTotalTimeoutMultiplier ; req->readconst = lptimeouts->ReadTotalTimeoutConstant ; req->writemult = lptimeouts->WriteTotalTimeoutMultiplier ; req->writeconst = lptimeouts->WriteTotalTimeoutConstant ; ret = !wine_server_call_err( req ); } SERVER_END_REQ; if (!ret) return FALSE; /* FIXME: move this stuff to the server */ fd = get_comm_fd( hComm, FILE_READ_DATA ); if (fd < 0) return FALSE; if (-1==tcgetattr(fd,&tios)) { FIXME("tcgetattr on fd %d failed!\n",fd); release_comm_fd( hComm, fd ); return FALSE; } /* VTIME is in 1/10 seconds */ { unsigned int ux_timeout; if(lptimeouts->ReadIntervalTimeout == 0) /* 0 means no timeout */ { ux_timeout = 0; } else { ux_timeout = (lptimeouts->ReadIntervalTimeout+99)/100; if(ux_timeout == 0) { ux_timeout = 1; /* must be at least some timeout */ } } tios.c_cc[VTIME] = ux_timeout; } if (-1==tcsetattr(fd,0,&tios)) { FIXME("tcsetattr on fd %d failed!\n",fd); release_comm_fd( hComm, fd ); return FALSE; } release_comm_fd( hComm, fd ); return TRUE; } /*********************************************************************** * GetCommModemStatus (KERNEL32.@) * * Obtains the four control register bits if supported by the hardware. * * PARAMS * * hFile [in] The communications device * lpModemStat [out] The control register bits * * RETURNS * * True if the communications handle was good and for hardware that * control register access, false otherwise. */ BOOL WINAPI GetCommModemStatus(HANDLE hFile, LPDWORD lpModemStat) { return DeviceIoControl(hFile, IOCTL_SERIAL_GET_MODEMSTATUS, NULL, 0, lpModemStat, sizeof(DWORD), NULL, NULL); } static DWORD WINAPI Comm_CheckEvents(int fd, DWORD mask, serial_irq_info *new, serial_irq_info *old, DWORD new_mstat, DWORD old_mstat) { DWORD ret = 0, queue; TRACE("mask 0x%08lx\n", mask); TRACE("old->rx 0x%08x vs. new->rx 0x%08x\n", old->rx, new->rx); TRACE("old->tx 0x%08x vs. new->tx 0x%08x\n", old->tx, new->tx); TRACE("old->frame 0x%08x vs. new->frame 0x%08x\n", old->frame, new->frame); TRACE("old->overrun 0x%08x vs. new->overrun 0x%08x\n", old->overrun, new->overrun); TRACE("old->parity 0x%08x vs. new->parity 0x%08x\n", old->parity, new->parity); TRACE("old->brk 0x%08x vs. new->brk 0x%08x\n", old->brk, new->brk); TRACE("old->buf_overrun 0x%08x vs. new->buf_overrun 0x%08x\n", old->buf_overrun, new->buf_overrun); ret |= ((mask & EV_BREAK) && ( old->brk != new->brk))?EV_BREAK:0; ret |= ((mask & EV_CTS ) && ((old_mstat&MS_CTS_ON )!=(new_mstat&MS_CTS_ON )))?EV_CTS :0; ret |= ((mask & EV_DSR ) && ((old_mstat&MS_DSR_ON )!=(new_mstat&MS_DSR_ON )))?EV_DSR :0; ret |= ((mask & EV_RING ) && ((old_mstat&MS_RING_ON)!=(new_mstat&MS_RING_ON)))?EV_RING :0; ret |= ((mask & EV_RLSD ) && ((old_mstat&MS_RLSD_ON)!=(new_mstat&MS_RLSD_ON)))?EV_RLSD :0; ret |= ((mask & EV_ERR ) && (( old->frame != new->frame) ||(old->overrun != new->overrun) || (old->parity != new->parity)) )?EV_ERR :0; if (mask & EV_RXCHAR) { queue = 0; #ifdef TIOCINQ if(ioctl(fd, TIOCINQ, &queue)) WARN("TIOCINQ returned error\n"); #endif if (queue) ret |= EV_RXCHAR; } if (mask & EV_TXEMPTY) { queue = 0; /* We really want to know when all characters have gone out of the transmitter */ #if defined(TIOCSERGETLSR) if(ioctl(fd, TIOCSERGETLSR, &queue)) WARN("TIOCSERGETLSR returned error\n"); if (queue) /* TIOCINQ only checks for an empty buffer */ #elif defined(TIOCINQ) if(ioctl(fd, TIOCOUTQ, &queue)) WARN("TIOCOUTQ returned error\n"); if (!queue) #endif ret |= EV_TXEMPTY; } TRACE("OUTQUEUE %ld, Transmitter %sempty\n", queue, (ret & EV_TXEMPTY)?"":"not "); return ret; } /*********************************************************************** * COMM_WaitCommEventService (INTERNAL) * * We need to poll for what is interesting * TIOCMIWAIT only checks modem status line and may not be aborted by a changing mask * */ static DWORD WINAPI COMM_WaitCommEventService(LPVOID arg) { async_commio *commio = (async_commio*) arg; int waitmask = 0; int rc, fd, abort; serial_irq_info new_irq_info; DWORD new_mstat, new_evtmask; fd=get_comm_fd( commio->handle, FILE_READ_DATA ); TRACE("handle %p fd 0x%08x, mask 0x%08lx buffer %p event %p irq_info %p waitmask 0x%08x\n", commio->handle, fd, commio->evtmask, commio->buffer, commio->hEvent, &commio->irq_info, waitmask); do { /* * TIOCMIWAIT is not adequate * * FIXME: * We don't handle the EV_RXFLAG (the eventchar) */ Sleep(1); rc= COMM_GetEInfo(fd,&new_irq_info); if (rc) TRACE("TIOCGICOUNT err %s\n", strerror(errno)); rc = GetCommModemStatus(commio->handle, &new_mstat); if (!rc) TRACE("GetCommModemStatus failed\n"); rc = Comm_CheckEvents(fd, commio->evtmask,&new_irq_info,&commio->irq_info, new_mstat, commio->mstat); GetCommMask(commio->handle, &new_evtmask); abort = (commio->evtmask != new_evtmask); TRACE("resulting Eventmask 0x%08x\n", rc); } while (!rc && ! abort); if (abort) rc = 0; release_comm_fd( commio->handle, fd ); *commio->buffer = rc; if (commio->hEvent != INVALID_HANDLE_VALUE ) NtSetEvent( commio->hEvent, NULL ); HeapFree(GetProcessHeap(), 0, commio ); return 0; } /*********************************************************************** * COMM_WaitCommEvent (INTERNAL) * * This function must have an lpOverlapped. */ static BOOL COMM_WaitCommEvent( HANDLE hFile, /* [in] handle of comm port to wait for */ LPDWORD lpdwEvents, /* [out] event(s) that were detected */ LPOVERLAPPED lpOverlapped) /* [in/out] for Asynchronous waiting */ { int fd; async_commio* commio; DWORD result_mask; BOOL res; if (!lpOverlapped) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (NtResetEvent(lpOverlapped->hEvent,NULL)) return FALSE; fd = get_comm_fd( hFile, FILE_WRITE_DATA ); if (fd < 0) return FALSE; commio = HeapAlloc(GetProcessHeap(), 0, sizeof (async_commio)); if (!commio) { release_comm_fd( hFile, fd ); return FALSE; } commio->handle = hFile; commio->buffer = (char *)lpdwEvents; commio->hEvent = lpOverlapped->hEvent; GetCommMask(hFile, &commio->evtmask); /* We may never return, if some capabilities miss * Return error in that case */ #if !defined(TIOCINQ) if(commio->evtmask & EV_RXCHAR) goto error; #endif #if !(defined(TIOCSERGETLSR) && defined(TIOCSER_TEMT)) || !defined(TIOCINQ) if(commio->evtmask & EV_TXEMPTY) goto error; #endif #if !defined(TIOCMGET) if(commio->evtmask & (EV_CTS | EV_DSR| EV_RING| EV_RLSD)) goto error; #endif #if !defined(TIOCM_CTS) if(commio->evtmask & EV_CTS) goto error; #endif #if !defined(TIOCM_DSR) if(commio->evtmask & EV_DSR) goto error; #endif #if !defined(TIOCM_RNG) if(commio->evtmask & EV_RING) goto error; #endif #if !defined(TIOCM_CAR) if(commio->evtmask & EV_RLSD) goto error; #endif if(commio->evtmask & EV_RXFLAG) FIXME("EV_RXFLAG not handled\n"); COMM_GetEInfo(fd,&commio->irq_info); GetCommModemStatus(hFile, &commio->mstat); /* We might have received something or the TX bufffer is delivered*/ result_mask = Comm_CheckEvents( fd, commio->evtmask, &commio->irq_info, &commio->irq_info,commio->mstat,commio->mstat); if (result_mask) { TRACE("Event already met\n"); *lpdwEvents = result_mask; HeapFree(GetProcessHeap(), 0, commio ); res = TRUE; } else { CreateThread(NULL, 0, COMM_WaitCommEventService, (LPVOID)commio, 0, NULL); SetLastError(ERROR_IO_PENDING); res = FALSE; } release_comm_fd( hFile, fd ); return res; #if !defined(TIOCINQ) || (!(defined(TIOCSERGETLSR) && defined(TIOCSER_TEMT)) || !defined(TIOCINQ)) || !defined(TIOCMGET) || !defined(TIOCM_CTS) ||!defined(TIOCM_DSR) || !defined(TIOCM_RNG) || !defined(TIOCM_CAR) error: FIXME("Returning error because of missing capabilities\n"); release_comm_fd( hFile, fd ); HeapFree(GetProcessHeap(), 0, commio ); SetLastError(ERROR_INVALID_PARAMETER); return FALSE; #endif } /*********************************************************************** * WaitCommEvent (KERNEL32.@) * * Wait until something interesting happens on a COMM port. * Interesting things (events) are set by calling SetCommMask before * this function is called. * * RETURNS * TRUE if successful * FALSE if failure * * The set of detected events will be written to *lpdwEventMask * ERROR_IO_PENDING will be returned the overlapped structure was passed * * BUGS: * Only supports EV_RXCHAR and EV_TXEMPTY */ BOOL WINAPI WaitCommEvent( HANDLE hFile, /* [in] handle of comm port to wait for */ LPDWORD lpdwEvents, /* [out] event(s) that were detected */ LPOVERLAPPED lpOverlapped) /* [in/out] for Asynchronous waiting */ { OVERLAPPED ov; int ret = 0; DWORD res, err; TRACE("(%p %p %p )\n",hFile, lpdwEvents,lpOverlapped); if(lpOverlapped) return COMM_WaitCommEvent(hFile, lpdwEvents, lpOverlapped); /* if there is no overlapped structure, create our own */ ov.hEvent = CreateEventW(NULL,FALSE,FALSE,NULL); res = COMM_WaitCommEvent(hFile, lpdwEvents, &ov); err = GetLastError(); if (!res) { if (err == ERROR_IO_PENDING) { do { res = WaitForSingleObjectEx(ov.hEvent, INFINITE, FALSE); } while (res != WAIT_OBJECT_0); TRACE("Event met\n:"); ret = TRUE; } else { FIXME("Unknown error 0x%08lx\n", err); ret = FALSE; } } else ret = TRUE; CloseHandle(ov.hEvent); return ret; } /*********************************************************************** * GetCommProperties (KERNEL32.@) * * This function fills in a structure with the capabilities of the * communications port driver. * * RETURNS * * TRUE on success, FALSE on failure * If successful, the lpCommProp structure be filled in with * properties of the comm port. */ BOOL WINAPI GetCommProperties( HANDLE hFile, /* [in] handle of the comm port */ LPCOMMPROP lpCommProp) /* [out] pointer to struct to be filled */ { FIXME("(%p %p )\n",hFile,lpCommProp); if(!lpCommProp) return FALSE; /* * These values should be valid for LINUX's serial driver * FIXME: Perhaps they deserve an #ifdef LINUX */ memset(lpCommProp,0,sizeof(COMMPROP)); lpCommProp->wPacketLength = 1; lpCommProp->wPacketVersion = 1; lpCommProp->dwServiceMask = SP_SERIALCOMM; lpCommProp->dwReserved1 = 0; lpCommProp->dwMaxTxQueue = 4096; lpCommProp->dwMaxRxQueue = 4096; lpCommProp->dwMaxBaud = BAUD_115200; lpCommProp->dwProvSubType = PST_RS232; lpCommProp->dwProvCapabilities = PCF_DTRDSR | PCF_PARITY_CHECK | PCF_RTSCTS | PCF_TOTALTIMEOUTS; lpCommProp->dwSettableParams = SP_BAUD | SP_DATABITS | SP_HANDSHAKING | SP_PARITY | SP_PARITY_CHECK | SP_STOPBITS ; lpCommProp->dwSettableBaud = BAUD_075 | BAUD_110 | BAUD_134_5 | BAUD_150 | BAUD_300 | BAUD_600 | BAUD_1200 | BAUD_1800 | BAUD_2400 | BAUD_4800 | BAUD_9600 | BAUD_19200 | BAUD_38400 | BAUD_57600 | BAUD_115200 ; lpCommProp->wSettableData = DATABITS_5 | DATABITS_6 | DATABITS_7 | DATABITS_8 ; lpCommProp->wSettableStopParity = STOPBITS_10 | STOPBITS_15 | STOPBITS_20 | PARITY_NONE | PARITY_ODD |PARITY_EVEN | PARITY_MARK | PARITY_SPACE; lpCommProp->dwCurrentTxQueue = lpCommProp->dwMaxTxQueue; lpCommProp->dwCurrentRxQueue = lpCommProp->dwMaxRxQueue; return TRUE; } /*********************************************************************** * FIXME: * The functionality of CommConfigDialogA, GetDefaultCommConfig and * SetDefaultCommConfig is implemented in a DLL (usually SERIALUI.DLL). * This is dependent on the type of COMM port, but since it is doubtful * anybody will get around to implementing support for fancy serial * ports in WINE, this is hardcoded for the time being. The name of * this DLL should be stored in and read from the system registry in * the hive HKEY_LOCAL_MACHINE, key * System\\CurrentControlSet\\Services\\Class\\Ports\\???? * where ???? is the port number... that is determined by PNP * The DLL should be loaded when the COMM port is opened, and closed * when the COMM port is closed. - MJM 20 June 2000 ***********************************************************************/ static const WCHAR lpszSerialUI[] = { 's','e','r','i','a','l','u','i','.','d','l','l',0 }; /*********************************************************************** * CommConfigDialogA (KERNEL32.@) * * Raises a dialog that allows the user to configure a comm port. * Fills the COMMCONFIG struct with information specified by the user. * This function should call a similar routine in the COMM driver... * * RETURNS * * TRUE on success, FALSE on failure * If successful, the lpCommConfig structure will contain a new * configuration for the comm port, as specified by the user. * * BUGS * The library with the CommConfigDialog code is never unloaded. * Perhaps this should be done when the comm port is closed? */ BOOL WINAPI CommConfigDialogA( LPCSTR lpszDevice, /* [in] name of communications device */ HWND hWnd, /* [in] parent window for the dialog */ LPCOMMCONFIG lpCommConfig) /* [out] pointer to struct to fill */ { FARPROC lpfnCommDialog; HMODULE hConfigModule; BOOL r = FALSE; TRACE("(%p %p %p)\n",lpszDevice, hWnd, lpCommConfig); hConfigModule = LoadLibraryW(lpszSerialUI); if(!hConfigModule) return FALSE; lpfnCommDialog = GetProcAddress(hConfigModule, "drvCommConfigDialogA"); if(lpfnCommDialog) r = lpfnCommDialog(lpszDevice,hWnd,lpCommConfig); FreeLibrary(hConfigModule); return r; } /*********************************************************************** * CommConfigDialogW (KERNEL32.@) * * See CommConfigDialogA. */ BOOL WINAPI CommConfigDialogW( LPCWSTR lpszDevice, /* [in] name of communications device */ HWND hWnd, /* [in] parent window for the dialog */ LPCOMMCONFIG lpCommConfig) /* [out] pointer to struct to fill */ { FARPROC lpfnCommDialog; HMODULE hConfigModule; BOOL r = FALSE; TRACE("(%p %p %p)\n",lpszDevice, hWnd, lpCommConfig); hConfigModule = LoadLibraryW(lpszSerialUI); if(!hConfigModule) return FALSE; lpfnCommDialog = GetProcAddress(hConfigModule, "drvCommConfigDialogW"); if(lpfnCommDialog) r = lpfnCommDialog(lpszDevice,hWnd,lpCommConfig); FreeLibrary(hConfigModule); return r; } /*********************************************************************** * GetCommConfig (KERNEL32.@) * * Fill in the COMMCONFIG structure for the comm port hFile * * RETURNS * * TRUE on success, FALSE on failure * If successful, lpCommConfig contains the comm port configuration. * * BUGS * */ BOOL WINAPI GetCommConfig( HANDLE hFile, /* [in] The communications device. */ LPCOMMCONFIG lpCommConfig, /* [out] The communications configuration of the device (if it fits). */ LPDWORD lpdwSize) /* [in/out] Initially the size of the configuration buffer/structure, afterwards the number of bytes copied to the buffer or the needed size of the buffer. */ { BOOL r; TRACE("(%p %p)\n",hFile,lpCommConfig); if(lpCommConfig == NULL) return FALSE; r = *lpdwSize < sizeof(COMMCONFIG); /* TRUE if not enough space */ *lpdwSize = sizeof(COMMCONFIG); if(r) return FALSE; lpCommConfig->dwSize = sizeof(COMMCONFIG); lpCommConfig->wVersion = 1; lpCommConfig->wReserved = 0; r = GetCommState(hFile,&lpCommConfig->dcb); lpCommConfig->dwProviderSubType = PST_RS232; lpCommConfig->dwProviderOffset = 0; lpCommConfig->dwProviderSize = 0; return r; } /*********************************************************************** * SetCommConfig (KERNEL32.@) * * Sets the configuration of the communications device. * * RETURNS * * True on success, false if the handle was bad is not a communications device. */ BOOL WINAPI SetCommConfig( HANDLE hFile, /* [in] The communications device. */ LPCOMMCONFIG lpCommConfig, /* [in] The desired configuration. */ DWORD dwSize) /* [in] size of the lpCommConfig struct */ { TRACE("(%p %p)\n",hFile,lpCommConfig); return SetCommState(hFile,&lpCommConfig->dcb); } /*********************************************************************** * SetDefaultCommConfigA (KERNEL32.@) * * Initializes the default configuration for the specified communication * device. (ascii) * * RETURNS * * True if the device was found and the defaults set, false otherwise */ BOOL WINAPI SetDefaultCommConfigW( LPCWSTR lpszDevice, /* [in] The ascii name of the device targeted for configuration. */ LPCOMMCONFIG lpCommConfig, /* [in] The default configuration for the device. */ DWORD dwSize) /* [in] The number of bytes in the configuration structure. */ { FARPROC lpfnSetDefaultCommConfig; HMODULE hConfigModule; BOOL r = FALSE; TRACE("(%p %p %lx)\n",lpszDevice, lpCommConfig, dwSize); hConfigModule = LoadLibraryW(lpszSerialUI); if(!hConfigModule) return r; lpfnSetDefaultCommConfig = GetProcAddress(hConfigModule, "drvSetDefaultCommConfigW"); if (lpfnSetDefaultCommConfig) r = lpfnSetDefaultCommConfig(lpszDevice, lpCommConfig, dwSize); FreeLibrary(hConfigModule); return r; } /*********************************************************************** * SetDefaultCommConfigW (KERNEL32.@) * * Initializes the default configuration for the specified * communication device. (unicode) * * RETURNS * */ BOOL WINAPI SetDefaultCommConfigA( LPCSTR lpszDevice, /* [in] The unicode name of the device targeted for configuration. */ LPCOMMCONFIG lpCommConfig, /* [in] The default configuration for the device. */ DWORD dwSize) /* [in] The number of bytes in the configuration structure. */ { BOOL r; LPWSTR lpDeviceW = NULL; DWORD len; TRACE("(%s %p %lx)\n",debugstr_a(lpszDevice),lpCommConfig,dwSize); if (lpszDevice) { len = MultiByteToWideChar( CP_ACP, 0, lpszDevice, -1, NULL, 0 ); lpDeviceW = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) ); MultiByteToWideChar( CP_ACP, 0, lpszDevice, -1, lpDeviceW, len ); } r = SetDefaultCommConfigW(lpDeviceW,lpCommConfig,dwSize); HeapFree( GetProcessHeap(), 0, lpDeviceW ); return r; } /*********************************************************************** * GetDefaultCommConfigW (KERNEL32.@) * * Acquires the default configuration of the specified communication device. (unicode) * * RETURNS * * True on successful reading of the default configuration, * if the device is not found or the buffer is too small. */ BOOL WINAPI GetDefaultCommConfigW( LPCWSTR lpszName, /* [in] The unicode name of the device targeted for configuration. */ LPCOMMCONFIG lpCC, /* [out] The default configuration for the device. */ LPDWORD lpdwSize) /* [in/out] Initially the size of the default configuration buffer, afterwards the number of bytes copied to the buffer or the needed size of the buffer. */ { LPDCB lpdcb = &(lpCC->dcb); WCHAR temp[40]; static const WCHAR comW[] = {'C','O','M',0}; static const WCHAR formatW[] = {'C','O','M','%','c',':','3','8','4','0','0',',','n',',','8',',','1',0}; if (strncmpiW(lpszName,comW,3)) { ERR("not implemented for <%s>\n", debugstr_w(lpszName)); return FALSE; } TRACE("(%s %p %ld)\n", debugstr_w(lpszName), lpCC, *lpdwSize ); if (*lpdwSize < sizeof(COMMCONFIG)) { *lpdwSize = sizeof(COMMCONFIG); return FALSE; } *lpdwSize = sizeof(COMMCONFIG); lpCC->dwSize = sizeof(COMMCONFIG); lpCC->wVersion = 1; lpCC->dwProviderSubType = PST_RS232; lpCC->dwProviderOffset = 0L; lpCC->dwProviderSize = 0L; sprintfW( temp, formatW, lpszName[3]); FIXME("setting %s as default\n", debugstr_w(temp)); return BuildCommDCBW( temp, lpdcb); } /************************************************************************** * GetDefaultCommConfigA (KERNEL32.@) * * Acquires the default configuration of the specified communication device. (ascii) * * RETURNS * * True on successful reading of the default configuration, * if the device is not found or the buffer is too small. */ BOOL WINAPI GetDefaultCommConfigA( LPCSTR lpszName, /* [in] The ascii name of the device targeted for configuration. */ LPCOMMCONFIG lpCC, /* [out] The default configuration for the device. */ LPDWORD lpdwSize) /* [in/out] Initially the size of the default configuration buffer, afterwards the number of bytes copied to the buffer or the needed size of the buffer. */ { BOOL ret = FALSE; UNICODE_STRING lpszNameW; TRACE("(%s,%p,%ld)\n",lpszName,lpCC,*lpdwSize); if(lpszName) RtlCreateUnicodeStringFromAsciiz(&lpszNameW,lpszName); else lpszNameW.Buffer = NULL; if(lpszNameW.Buffer) ret = GetDefaultCommConfigW(lpszNameW.Buffer,lpCC,lpdwSize); RtlFreeUnicodeString(&lpszNameW); return ret; }