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1453 lines
46 KiB
C
1453 lines
46 KiB
C
/*
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* DEC 93 Erik Bos <erik@xs4all.nl>
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*
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* Copyright 1996 Marcus Meissner
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <k32.h>
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typedef LARGE_INTEGER PHYSICAL_ADDRESS, *PPHYSICAL_ADDRESS;
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#undef SERIAL_LSRMST_ESCAPE
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#undef SERIAL_LSRMST_LSR_DATA
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#undef SERIAL_LSRMST_LSR_NODATA
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#undef SERIAL_LSRMST_MST
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#undef SERIAL_IOC_FCR_FIFO_ENABLE
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#undef SERIAL_IOC_FCR_RCVR_RESET
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#undef SERIAL_IOC_FCR_XMIT_RESET
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#undef SERIAL_IOC_FCR_DMA_MODE
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#undef SERIAL_IOC_FCR_RES1
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#undef SERIAL_IOC_FCR_RES2
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#undef SERIAL_IOC_FCR_RCVR_TRIGGER_LSB
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#undef SERIAL_IOC_FCR_RCVR_TRIGGER_MSB
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#undef SERIAL_IOC_MCR_DTR
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#undef SERIAL_IOC_MCR_RTS
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#undef SERIAL_IOC_MCR_OUT1
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#undef SERIAL_IOC_MCR_OUT2
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#undef SERIAL_IOC_MCR_LOOP
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#undef IOCTL_SERIAL_LSRMST_INSERT
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#include <ntddser.h>
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#define NDEBUG
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#include <debug.h>
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DEBUG_CHANNEL(comm);
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/***********************************************************************
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* COMM_Parse* (Internal)
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*
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* The following COMM_Parse* functions are used by the BuildCommDCB
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* functions to help parse the various parts of the device control string.
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*/
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static LPCWSTR COMM_ParseStart(LPCWSTR ptr)
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{
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static const WCHAR comW[] = {'C','O','M',0};
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/* The device control string may optionally start with "COMx" followed
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by an optional ':' and spaces. */
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if(!strncmpiW(ptr, comW, 3))
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{
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ptr += 3;
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/* Allow any com port above 0 as Win 9x does (NT only allows
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values for com ports which are actually present) */
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if(*ptr < '1' || *ptr > '9')
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return NULL;
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/* Advance pointer past port number */
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while(*ptr >= '0' && *ptr <= '9') ptr++;
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/* The com port number must be followed by a ':' or ' ' */
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if(*ptr != ':' && *ptr != ' ')
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return NULL;
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/* Advance pointer to beginning of next parameter */
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while(*ptr == ' ') ptr++;
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if(*ptr == ':')
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{
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ptr++;
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while(*ptr == ' ') ptr++;
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}
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}
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/* The device control string must not start with a space. */
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else if(*ptr == ' ')
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return NULL;
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return ptr;
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}
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static LPCWSTR COMM_ParseNumber(LPCWSTR ptr, LPDWORD lpnumber)
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{
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if(*ptr < '0' || *ptr > '9') return NULL;
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*lpnumber = strtoulW(ptr, NULL, 10);
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while(*ptr >= '0' && *ptr <= '9') ptr++;
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return ptr;
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}
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static LPCWSTR COMM_ParseParity(LPCWSTR ptr, LPBYTE lpparity)
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{
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/* Contrary to what you might expect, Windows only sets the Parity
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member of DCB and not fParity even when parity is specified in the
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device control string */
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switch(toupperW(*ptr++))
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{
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case 'E':
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*lpparity = EVENPARITY;
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break;
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case 'M':
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*lpparity = MARKPARITY;
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break;
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case 'N':
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*lpparity = NOPARITY;
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break;
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case 'O':
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*lpparity = ODDPARITY;
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break;
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case 'S':
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*lpparity = SPACEPARITY;
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break;
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default:
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return NULL;
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}
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return ptr;
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}
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static LPCWSTR COMM_ParseByteSize(LPCWSTR ptr, LPBYTE lpbytesize)
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{
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DWORD temp;
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if(!(ptr = COMM_ParseNumber(ptr, &temp)))
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return NULL;
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if(temp >= 5 && temp <= 8)
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{
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*lpbytesize = temp;
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return ptr;
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}
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else
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return NULL;
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}
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static LPCWSTR COMM_ParseStopBits(LPCWSTR ptr, LPBYTE lpstopbits)
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{
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DWORD temp;
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static const WCHAR stopbits15W[] = {'1','.','5',0};
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if(!strncmpW(stopbits15W, ptr, 3))
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{
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ptr += 3;
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*lpstopbits = ONE5STOPBITS;
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}
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else
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{
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if(!(ptr = COMM_ParseNumber(ptr, &temp)))
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return NULL;
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if(temp == 1)
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*lpstopbits = ONESTOPBIT;
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else if(temp == 2)
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*lpstopbits = TWOSTOPBITS;
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else
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return NULL;
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}
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return ptr;
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}
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static LPCWSTR COMM_ParseOnOff(LPCWSTR ptr, LPDWORD lponoff)
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{
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static const WCHAR onW[] = {'o','n',0};
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static const WCHAR offW[] = {'o','f','f',0};
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if(!strncmpiW(onW, ptr, 2))
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{
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ptr += 2;
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*lponoff = 1;
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}
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else if(!strncmpiW(offW, ptr, 3))
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{
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ptr += 3;
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*lponoff = 0;
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}
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else
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return NULL;
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return ptr;
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}
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/***********************************************************************
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* COMM_BuildOldCommDCB (Internal)
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*
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* Build a DCB using the old style settings string eg: "96,n,8,1"
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*/
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static BOOL COMM_BuildOldCommDCB(LPCWSTR device, LPDCB lpdcb)
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{
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WCHAR last = 0;
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if(!(device = COMM_ParseNumber(device, &lpdcb->BaudRate)))
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return FALSE;
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switch(lpdcb->BaudRate)
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{
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case 11:
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case 30:
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case 60:
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lpdcb->BaudRate *= 10;
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break;
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case 12:
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case 24:
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case 48:
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case 96:
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lpdcb->BaudRate *= 100;
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break;
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case 19:
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lpdcb->BaudRate = 19200;
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break;
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}
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while(*device == ' ') device++;
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if(*device++ != ',') return FALSE;
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while(*device == ' ') device++;
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if(!(device = COMM_ParseParity(device, &lpdcb->Parity)))
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return FALSE;
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while(*device == ' ') device++;
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if(*device++ != ',') return FALSE;
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while(*device == ' ') device++;
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if(!(device = COMM_ParseByteSize(device, &lpdcb->ByteSize)))
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return FALSE;
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while(*device == ' ') device++;
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if(*device++ != ',') return FALSE;
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while(*device == ' ') device++;
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if(!(device = COMM_ParseStopBits(device, &lpdcb->StopBits)))
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return FALSE;
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/* The last parameter for flow control is optional. */
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while(*device == ' ') device++;
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if(*device == ',')
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{
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device++;
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while(*device == ' ') device++;
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if(*device) last = toupperW(*device++);
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while(*device == ' ') device++;
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}
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/* Win NT sets the flow control members based on (or lack of) the last
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parameter. Win 9x does not set these members. */
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switch(last)
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{
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case 0:
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lpdcb->fInX = FALSE;
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lpdcb->fOutX = FALSE;
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lpdcb->fOutxCtsFlow = FALSE;
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lpdcb->fOutxDsrFlow = FALSE;
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lpdcb->fDtrControl = DTR_CONTROL_ENABLE;
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lpdcb->fRtsControl = RTS_CONTROL_ENABLE;
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break;
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case 'X':
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lpdcb->fInX = TRUE;
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lpdcb->fOutX = TRUE;
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lpdcb->fOutxCtsFlow = FALSE;
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lpdcb->fOutxDsrFlow = FALSE;
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lpdcb->fDtrControl = DTR_CONTROL_ENABLE;
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lpdcb->fRtsControl = RTS_CONTROL_ENABLE;
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break;
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case 'P':
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lpdcb->fInX = FALSE;
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lpdcb->fOutX = FALSE;
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lpdcb->fOutxCtsFlow = TRUE;
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lpdcb->fOutxDsrFlow = TRUE;
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lpdcb->fDtrControl = DTR_CONTROL_HANDSHAKE;
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lpdcb->fRtsControl = RTS_CONTROL_HANDSHAKE;
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break;
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default:
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return FALSE;
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}
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/* This should be the end of the string. */
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if(*device) return FALSE;
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return TRUE;
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}
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/***********************************************************************
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* COMM_BuildNewCommDCB (Internal)
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*
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* Build a DCB using the new style settings string.
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* eg: "baud=9600 parity=n data=8 stop=1 xon=on to=on"
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*/
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static BOOL COMM_BuildNewCommDCB(LPCWSTR device, LPDCB lpdcb, LPCOMMTIMEOUTS lptimeouts)
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{
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DWORD temp;
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BOOL baud = FALSE, stop = FALSE;
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static const WCHAR baudW[] = {'b','a','u','d','=',0};
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static const WCHAR parityW[] = {'p','a','r','i','t','y','=',0};
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static const WCHAR dataW[] = {'d','a','t','a','=',0};
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static const WCHAR stopW[] = {'s','t','o','p','=',0};
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static const WCHAR toW[] = {'t','o','=',0};
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static const WCHAR xonW[] = {'x','o','n','=',0};
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static const WCHAR odsrW[] = {'o','d','s','r','=',0};
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static const WCHAR octsW[] = {'o','c','t','s','=',0};
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static const WCHAR dtrW[] = {'d','t','r','=',0};
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static const WCHAR rtsW[] = {'r','t','s','=',0};
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static const WCHAR idsrW[] = {'i','d','s','r','=',0};
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while(*device)
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{
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while(*device == ' ') device++;
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if(!strncmpiW(baudW, device, 5))
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{
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baud = TRUE;
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if(!(device = COMM_ParseNumber(device + 5, &lpdcb->BaudRate)))
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return FALSE;
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}
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else if(!strncmpiW(parityW, device, 7))
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{
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if(!(device = COMM_ParseParity(device + 7, &lpdcb->Parity)))
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return FALSE;
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}
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else if(!strncmpiW(dataW, device, 5))
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{
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if(!(device = COMM_ParseByteSize(device + 5, &lpdcb->ByteSize)))
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return FALSE;
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}
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else if(!strncmpiW(stopW, device, 5))
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{
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stop = TRUE;
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if(!(device = COMM_ParseStopBits(device + 5, &lpdcb->StopBits)))
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return FALSE;
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}
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else if(!strncmpiW(toW, device, 3))
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{
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if(!(device = COMM_ParseOnOff(device + 3, &temp)))
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return FALSE;
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lptimeouts->ReadIntervalTimeout = 0;
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lptimeouts->ReadTotalTimeoutMultiplier = 0;
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lptimeouts->ReadTotalTimeoutConstant = 0;
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lptimeouts->WriteTotalTimeoutMultiplier = 0;
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lptimeouts->WriteTotalTimeoutConstant = temp ? 60000 : 0;
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}
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else if(!strncmpiW(xonW, device, 4))
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{
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if(!(device = COMM_ParseOnOff(device + 4, &temp)))
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return FALSE;
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lpdcb->fOutX = temp;
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lpdcb->fInX = temp;
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}
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else if(!strncmpiW(odsrW, device, 5))
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{
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if(!(device = COMM_ParseOnOff(device + 5, &temp)))
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return FALSE;
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lpdcb->fOutxDsrFlow = temp;
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}
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else if(!strncmpiW(octsW, device, 5))
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{
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if(!(device = COMM_ParseOnOff(device + 5, &temp)))
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return FALSE;
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lpdcb->fOutxCtsFlow = temp;
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}
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else if(!strncmpiW(dtrW, device, 4))
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{
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if(!(device = COMM_ParseOnOff(device + 4, &temp)))
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return FALSE;
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lpdcb->fDtrControl = temp;
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}
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else if(!strncmpiW(rtsW, device, 4))
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{
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if(!(device = COMM_ParseOnOff(device + 4, &temp)))
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return FALSE;
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lpdcb->fRtsControl = temp;
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}
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else if(!strncmpiW(idsrW, device, 5))
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{
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if(!(device = COMM_ParseOnOff(device + 5, &temp)))
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return FALSE;
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/* Win NT sets the fDsrSensitivity member based on the
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idsr parameter. Win 9x sets fOutxDsrFlow instead. */
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lpdcb->fDsrSensitivity = temp;
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}
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else
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return FALSE;
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/* After the above parsing, the next character (if not the end of
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the string) should be a space */
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if(*device && *device != ' ')
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return FALSE;
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}
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/* If stop bits were not specified, a default is always supplied. */
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if(!stop)
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{
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if(baud && lpdcb->BaudRate == 110)
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lpdcb->StopBits = TWOSTOPBITS;
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else
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lpdcb->StopBits = ONESTOPBIT;
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}
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return TRUE;
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}
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/**************************************************************************
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* BuildCommDCBA (KERNEL32.@)
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*
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* Updates a device control block data structure with values from an
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* ascii device control string. The device control string has two forms
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* normal and extended, it must be exclusively in one or the other form.
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*
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* RETURNS
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*
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* True on success, false on a malformed control string.
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*/
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BOOL WINAPI BuildCommDCBA(
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LPCSTR device, /* [in] The ascii device control string used to update the DCB. */
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LPDCB lpdcb) /* [out] The device control block to be updated. */
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{
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return BuildCommDCBAndTimeoutsA(device,lpdcb,NULL);
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}
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/**************************************************************************
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* BuildCommDCBAndTimeoutsA (KERNEL32.@)
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*
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* Updates a device control block data structure with values from an
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* ascii device control string. Taking timeout values from a timeouts
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* struct if desired by the control string.
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*
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* RETURNS
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*
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* True on success, false bad handles etc.
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*/
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BOOL WINAPI BuildCommDCBAndTimeoutsA(
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LPCSTR device, /* [in] The ascii device control string. */
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LPDCB lpdcb, /* [out] The device control block to be updated. */
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LPCOMMTIMEOUTS lptimeouts) /* [in] The COMMTIMEOUTS structure to be updated. */
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{
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BOOL ret = FALSE;
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UNICODE_STRING deviceW;
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TRACE("(%s,%p,%p)\n",device,lpdcb,lptimeouts);
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if(device) RtlCreateUnicodeStringFromAsciiz(&deviceW,device);
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else deviceW.Buffer = NULL;
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if(deviceW.Buffer) ret = BuildCommDCBAndTimeoutsW(deviceW.Buffer,lpdcb,lptimeouts);
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RtlFreeUnicodeString(&deviceW);
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return ret;
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}
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/**************************************************************************
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* BuildCommDCBAndTimeoutsW (KERNEL32.@)
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*
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* Updates a device control block data structure with values from a
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* unicode device control string. Taking timeout values from a timeouts
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* struct if desired by the control string.
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*
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* RETURNS
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*
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* True on success, false bad handles etc
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*/
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BOOL WINAPI BuildCommDCBAndTimeoutsW(
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LPCWSTR devid, /* [in] The unicode device control string. */
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LPDCB lpdcb, /* [out] The device control block to be updated. */
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LPCOMMTIMEOUTS lptimeouts) /* [in] The COMMTIMEOUTS structure to be updated. */
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{
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DCB dcb;
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COMMTIMEOUTS timeouts;
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BOOL result;
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LPCWSTR ptr = devid;
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TRACE("(%s,%p,%p)\n",debugstr_w(devid),lpdcb,lptimeouts);
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memset(&timeouts, 0, sizeof timeouts);
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/* Set DCBlength. (Windows NT does not do this, but 9x does) */
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lpdcb->DCBlength = sizeof(DCB);
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/* Make a copy of the original data structures to work with since if
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if there is an error in the device control string the originals
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should not be modified (except possibly DCBlength) */
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dcb = *lpdcb;
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if(lptimeouts) timeouts = *lptimeouts;
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ptr = COMM_ParseStart(ptr);
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if(ptr == NULL)
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result = FALSE;
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else if(strchrW(ptr, ','))
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result = COMM_BuildOldCommDCB(ptr, &dcb);
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else
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result = COMM_BuildNewCommDCB(ptr, &dcb, &timeouts);
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if(result)
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{
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*lpdcb = dcb;
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if(lptimeouts) *lptimeouts = timeouts;
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return TRUE;
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}
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else
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{
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WARN("Invalid device control string: %s\n", debugstr_w(devid));
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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}
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/**************************************************************************
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|
* BuildCommDCBW (KERNEL32.@)
|
|
*
|
|
* Updates a device control block structure with values from an
|
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* 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)
|
|
{
|
|
DWORD dwBytesReturned;
|
|
return DeviceIoControl(handle, IOCTL_SERIAL_SET_BREAK_ON, NULL, 0, NULL, 0, &dwBytesReturned, 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)
|
|
{
|
|
DWORD dwBytesReturned;
|
|
return DeviceIoControl(handle, IOCTL_SERIAL_SET_BREAK_OFF, NULL, 0, NULL, 0, &dwBytesReturned, NULL);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* EscapeCommFunction (KERNEL32.@)
|
|
*
|
|
* Directs a communication device to perform an extended function.
|
|
*
|
|
* PARAMS
|
|
*
|
|
* handle [in] The communication device to perform the extended function
|
|
* nFunction [in] The extended function to be performed
|
|
*
|
|
* 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, DWORD func)
|
|
{
|
|
DWORD ioc;
|
|
DWORD dwBytesReturned;
|
|
|
|
switch (func)
|
|
{
|
|
case CLRDTR: ioc = IOCTL_SERIAL_CLR_DTR; break;
|
|
case CLRRTS: ioc = IOCTL_SERIAL_CLR_RTS; break;
|
|
case SETDTR: ioc = IOCTL_SERIAL_SET_DTR; break;
|
|
case SETRTS: ioc = IOCTL_SERIAL_SET_RTS; break;
|
|
case SETXOFF: ioc = IOCTL_SERIAL_SET_XOFF; break;
|
|
case SETXON: ioc = IOCTL_SERIAL_SET_XON; break;
|
|
case SETBREAK: ioc = IOCTL_SERIAL_SET_BREAK_ON; break;
|
|
case CLRBREAK: ioc = IOCTL_SERIAL_SET_BREAK_OFF; break;
|
|
case RESETDEV: ioc = IOCTL_SERIAL_RESET_DEVICE; break;
|
|
default:
|
|
ERR("Unknown function code (%u)\n", func);
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
return DeviceIoControl(handle, ioc, NULL, 0, NULL, 0, &dwBytesReturned, NULL);
|
|
}
|
|
|
|
/********************************************************************
|
|
* 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)
|
|
{
|
|
DWORD dwBytesReturned;
|
|
return DeviceIoControl(handle, IOCTL_SERIAL_PURGE, &flags, sizeof(flags),
|
|
NULL, 0, &dwBytesReturned, 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;
|
|
DWORD dwBytesReturned;
|
|
|
|
if (!DeviceIoControl(handle, IOCTL_SERIAL_GET_COMMSTATUS, NULL, 0,
|
|
&ss, sizeof(ss), &dwBytesReturned, 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.
|
|
*
|
|
* PARAMS
|
|
* handle [in] The just created communication resource handle
|
|
* insize [in] The suggested size of the communication resources input buffer in bytes
|
|
* outsize [in] The suggested size of the communication resources output buffer in bytes
|
|
*
|
|
* RETURNS
|
|
*
|
|
* True if successful, false if the communications resource handle is bad.
|
|
*
|
|
* BUGS
|
|
*
|
|
* Stub.
|
|
*/
|
|
BOOL WINAPI SetupComm(HANDLE handle, DWORD insize, DWORD outsize)
|
|
{
|
|
SERIAL_QUEUE_SIZE sqs;
|
|
DWORD dwBytesReturned;
|
|
|
|
sqs.InSize = insize;
|
|
sqs.OutSize = outsize;
|
|
return DeviceIoControl(handle, IOCTL_SERIAL_SET_QUEUE_SIZE,
|
|
&sqs, sizeof(sqs), NULL, 0, &dwBytesReturned, NULL);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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)
|
|
{
|
|
DWORD dwBytesReturned;
|
|
TRACE("handle %p, mask %p\n", handle, evtmask);
|
|
return DeviceIoControl(handle, IOCTL_SERIAL_GET_WAIT_MASK,
|
|
NULL, 0, evtmask, sizeof(*evtmask), &dwBytesReturned, 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)
|
|
{
|
|
DWORD dwBytesReturned;
|
|
TRACE("handle %p, mask %x\n", handle, evtmask);
|
|
return DeviceIoControl(handle, IOCTL_SERIAL_SET_WAIT_MASK,
|
|
&evtmask, sizeof(evtmask), NULL, 0, &dwBytesReturned, NULL);
|
|
}
|
|
|
|
static void dump_dcb(const DCB* lpdcb)
|
|
{
|
|
TRACE("bytesize=%d baudrate=%d 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->fOutX) ? "" : "~", (lpdcb->fInX) ? "" : "~");
|
|
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 affecting the input and output
|
|
* queues.
|
|
*
|
|
* PARAMS
|
|
*
|
|
* handle [in] The communications device
|
|
* lpdcb [out] The device control block
|
|
*
|
|
* RETURNS
|
|
*
|
|
* True on success, false on failure, e.g., 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;
|
|
DWORD dwBytesReturned;
|
|
|
|
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->fRtsControl)
|
|
{
|
|
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, &dwBytesReturned, NULL) &&
|
|
DeviceIoControl(handle, IOCTL_SERIAL_SET_LINE_CONTROL,
|
|
&slc, sizeof(slc), NULL, 0, &dwBytesReturned, NULL) &&
|
|
DeviceIoControl(handle, IOCTL_SERIAL_SET_HANDFLOW,
|
|
&shf, sizeof(shf), NULL, 0, &dwBytesReturned, NULL) &&
|
|
DeviceIoControl(handle, IOCTL_SERIAL_SET_CHARS,
|
|
&sc, sizeof(sc), NULL, 0, &dwBytesReturned, NULL));
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
* GetCommState (KERNEL32.@)
|
|
*
|
|
* Fills in a device control block with information from a communications device.
|
|
*
|
|
* PARAMS
|
|
* handle [in] The communications device
|
|
* lpdcb [out] The device control block
|
|
*
|
|
* 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, LPDCB lpdcb)
|
|
{
|
|
SERIAL_BAUD_RATE sbr;
|
|
SERIAL_LINE_CONTROL slc;
|
|
SERIAL_HANDFLOW shf;
|
|
SERIAL_CHARS sc;
|
|
DWORD dwBytesReturned;
|
|
|
|
TRACE("handle %p, ptr %p\n", handle, lpdcb);
|
|
|
|
if (!lpdcb)
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
if (!DeviceIoControl(handle, IOCTL_SERIAL_GET_BAUD_RATE,
|
|
NULL, 0, &sbr, sizeof(sbr), &dwBytesReturned, NULL) ||
|
|
!DeviceIoControl(handle, IOCTL_SERIAL_GET_LINE_CONTROL,
|
|
NULL, 0, &slc, sizeof(slc), &dwBytesReturned, NULL) ||
|
|
!DeviceIoControl(handle, IOCTL_SERIAL_GET_HANDFLOW,
|
|
NULL, 0, &shf, sizeof(shf), &dwBytesReturned, NULL) ||
|
|
!DeviceIoControl(handle, IOCTL_SERIAL_GET_CHARS,
|
|
NULL, 0, &sc, sizeof(sc), &dwBytesReturned, NULL))
|
|
return FALSE;
|
|
|
|
memset(lpdcb, 0, sizeof(*lpdcb));
|
|
lpdcb->DCBlength = sizeof(*lpdcb);
|
|
|
|
/* yes, they seem no never be (re)set on NT */
|
|
lpdcb->fBinary = 1;
|
|
lpdcb->fParity = 0;
|
|
|
|
lpdcb->BaudRate = sbr.BaudRate;
|
|
|
|
lpdcb->StopBits = slc.StopBits;
|
|
lpdcb->Parity = slc.Parity;
|
|
lpdcb->ByteSize = slc.WordLength;
|
|
|
|
if (shf.ControlHandShake & SERIAL_CTS_HANDSHAKE) lpdcb->fOutxCtsFlow = 1;
|
|
if (shf.ControlHandShake & SERIAL_DSR_HANDSHAKE) lpdcb->fOutxDsrFlow = 1;
|
|
switch (shf.ControlHandShake & (SERIAL_DTR_CONTROL | SERIAL_DTR_HANDSHAKE))
|
|
{
|
|
case 0: lpdcb->fDtrControl = DTR_CONTROL_DISABLE; break;
|
|
case SERIAL_DTR_CONTROL: lpdcb->fDtrControl = DTR_CONTROL_ENABLE; break;
|
|
case SERIAL_DTR_HANDSHAKE: lpdcb->fDtrControl = DTR_CONTROL_HANDSHAKE; break;
|
|
}
|
|
switch (shf.FlowReplace & (SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE))
|
|
{
|
|
case 0: lpdcb->fRtsControl = RTS_CONTROL_DISABLE; break;
|
|
case SERIAL_RTS_CONTROL: lpdcb->fRtsControl = RTS_CONTROL_ENABLE; break;
|
|
case SERIAL_RTS_HANDSHAKE: lpdcb->fRtsControl = RTS_CONTROL_HANDSHAKE; break;
|
|
case SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE:
|
|
lpdcb->fRtsControl = RTS_CONTROL_TOGGLE; break;
|
|
}
|
|
if (shf.ControlHandShake & SERIAL_DSR_SENSITIVITY) lpdcb->fDsrSensitivity = 1;
|
|
if (shf.ControlHandShake & SERIAL_ERROR_ABORT) lpdcb->fAbortOnError = 1;
|
|
if (shf.FlowReplace & SERIAL_ERROR_CHAR) lpdcb->fErrorChar = 1;
|
|
if (shf.FlowReplace & SERIAL_NULL_STRIPPING) lpdcb->fNull = 1;
|
|
if (shf.FlowReplace & SERIAL_XOFF_CONTINUE) lpdcb->fTXContinueOnXoff = 1;
|
|
lpdcb->XonLim = shf.XonLimit;
|
|
lpdcb->XoffLim = shf.XoffLimit;
|
|
|
|
if (shf.FlowReplace & SERIAL_AUTO_TRANSMIT) lpdcb->fOutX = 1;
|
|
if (shf.FlowReplace & SERIAL_AUTO_RECEIVE) lpdcb->fInX = 1;
|
|
|
|
lpdcb->EofChar = sc.EofChar;
|
|
lpdcb->ErrorChar = sc.ErrorChar;
|
|
lpdcb->EvtChar = sc.EventChar;
|
|
lpdcb->XonChar = sc.XonChar;
|
|
lpdcb->XoffChar = sc.XoffChar;
|
|
|
|
TRACE("OK\n");
|
|
dump_dcb(lpdcb);
|
|
|
|
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)
|
|
{
|
|
DWORD dwBytesReturned;
|
|
return DeviceIoControl(hComm, IOCTL_SERIAL_IMMEDIATE_CHAR,
|
|
&chTransmit, sizeof(chTransmit), NULL, 0, &dwBytesReturned, NULL);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
* GetCommTimeouts (KERNEL32.@)
|
|
*
|
|
* Obtains the request timeout values for the communications device.
|
|
*
|
|
* PARAMS
|
|
* hComm [in] The communications device
|
|
* lptimeouts [out] The struct of request timeouts
|
|
*
|
|
* RETURNS
|
|
*
|
|
* True on success, false if communications device handle is bad
|
|
* or the target structure is null.
|
|
*/
|
|
BOOL WINAPI GetCommTimeouts(HANDLE hComm, LPCOMMTIMEOUTS lptimeouts)
|
|
{
|
|
SERIAL_TIMEOUTS st;
|
|
DWORD dwBytesReturned;
|
|
|
|
TRACE("(%p, %p)\n", hComm, lptimeouts);
|
|
if (!lptimeouts)
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
if (!DeviceIoControl(hComm, IOCTL_SERIAL_GET_TIMEOUTS,
|
|
NULL, 0, &st, sizeof(st), &dwBytesReturned, NULL))
|
|
return FALSE;
|
|
lptimeouts->ReadIntervalTimeout = st.ReadIntervalTimeout;
|
|
lptimeouts->ReadTotalTimeoutMultiplier = st.ReadTotalTimeoutMultiplier;
|
|
lptimeouts->ReadTotalTimeoutConstant = st.ReadTotalTimeoutConstant;
|
|
lptimeouts->WriteTotalTimeoutMultiplier = st.WriteTotalTimeoutMultiplier;
|
|
lptimeouts->WriteTotalTimeoutConstant = st.WriteTotalTimeoutConstant;
|
|
return TRUE;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* SetCommTimeouts (KERNEL32.@)
|
|
*
|
|
* Sets the timeouts used when reading and writing data to/from COMM ports.
|
|
*
|
|
* PARAMS
|
|
* hComm [in] handle of COMM device
|
|
* lptimeouts [in] pointer to COMMTIMEOUTS structure
|
|
*
|
|
* 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, LPCOMMTIMEOUTS lptimeouts)
|
|
{
|
|
SERIAL_TIMEOUTS st;
|
|
DWORD dwBytesReturned;
|
|
|
|
TRACE("(%p, %p)\n", hComm, lptimeouts);
|
|
|
|
if (lptimeouts == NULL)
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
st.ReadIntervalTimeout = lptimeouts->ReadIntervalTimeout;
|
|
st.ReadTotalTimeoutMultiplier = lptimeouts->ReadTotalTimeoutMultiplier;
|
|
st.ReadTotalTimeoutConstant = lptimeouts->ReadTotalTimeoutConstant;
|
|
st.WriteTotalTimeoutMultiplier = lptimeouts->WriteTotalTimeoutMultiplier;
|
|
st.WriteTotalTimeoutConstant = lptimeouts->WriteTotalTimeoutConstant;
|
|
|
|
return DeviceIoControl(hComm, IOCTL_SERIAL_SET_TIMEOUTS,
|
|
&st, sizeof(st), NULL, 0, &dwBytesReturned, NULL);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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)
|
|
{
|
|
DWORD dwBytesReturned;
|
|
return DeviceIoControl(hFile, IOCTL_SERIAL_GET_MODEMSTATUS,
|
|
NULL, 0, lpModemStat, sizeof(DWORD), &dwBytesReturned, NULL);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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 */
|
|
{
|
|
return DeviceIoControl(hFile, IOCTL_SERIAL_WAIT_ON_MASK, NULL, 0,
|
|
lpdwEvents, sizeof(DWORD), NULL, lpOverlapped);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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 */
|
|
{
|
|
TRACE("(%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->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 */
|
|
{
|
|
LPWSTR lpDeviceW = NULL;
|
|
DWORD len;
|
|
BOOL r;
|
|
|
|
TRACE("(%s, %p, %p)\n", debugstr_a(lpszDevice), hWnd, lpCommConfig);
|
|
|
|
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 = CommConfigDialogW(lpDeviceW, hWnd, lpCommConfig);
|
|
HeapFree( GetProcessHeap(), 0, lpDeviceW );
|
|
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 */
|
|
{
|
|
DWORD (WINAPI *pCommConfigDialog)(LPCWSTR, HWND, LPCOMMCONFIG);
|
|
HMODULE hConfigModule;
|
|
DWORD res = ERROR_INVALID_PARAMETER;
|
|
|
|
TRACE("(%s, %p, %p)\n", debugstr_w(lpszDevice), hWnd, lpCommConfig);
|
|
hConfigModule = LoadLibraryW(lpszSerialUI);
|
|
|
|
if (hConfigModule) {
|
|
pCommConfigDialog = (void *)GetProcAddress(hConfigModule, "drvCommConfigDialogW");
|
|
if (pCommConfigDialog) {
|
|
res = pCommConfigDialog(lpszDevice, hWnd, lpCommConfig);
|
|
}
|
|
FreeLibrary(hConfigModule);
|
|
}
|
|
|
|
if (res) SetLastError(res);
|
|
return (res == ERROR_SUCCESS);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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, %p) *lpdwSize: %u\n", hFile, lpCommConfig, lpdwSize, lpdwSize ? *lpdwSize : 0 );
|
|
|
|
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, %u)\n", hFile, lpCommConfig, dwSize);
|
|
return SetCommState(hFile,&lpCommConfig->dcb);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetDefaultCommConfigW (KERNEL32.@)
|
|
*
|
|
* Initializes the default configuration for a communication device.
|
|
*
|
|
* PARAMS
|
|
* lpszDevice [I] Name of the device targeted for configuration
|
|
* lpCommConfig [I] PTR to a buffer with the configuration for the device
|
|
* dwSize [I] Number of bytes in the buffer
|
|
*
|
|
* RETURNS
|
|
* Failure: FALSE
|
|
* Success: TRUE, and default configuration saved
|
|
*
|
|
*/
|
|
BOOL WINAPI SetDefaultCommConfigW(LPCWSTR lpszDevice, LPCOMMCONFIG lpCommConfig, DWORD dwSize)
|
|
{
|
|
BOOL (WINAPI *lpfnSetDefaultCommConfig)(LPCWSTR, LPCOMMCONFIG, DWORD);
|
|
HMODULE hConfigModule;
|
|
BOOL r = FALSE;
|
|
|
|
TRACE("(%s, %p, %u)\n", debugstr_w(lpszDevice), lpCommConfig, dwSize);
|
|
|
|
hConfigModule = LoadLibraryW(lpszSerialUI);
|
|
if(!hConfigModule)
|
|
return r;
|
|
|
|
lpfnSetDefaultCommConfig = (void *)GetProcAddress(hConfigModule, "drvSetDefaultCommConfigW");
|
|
if (lpfnSetDefaultCommConfig)
|
|
r = lpfnSetDefaultCommConfig(lpszDevice, lpCommConfig, dwSize);
|
|
|
|
FreeLibrary(hConfigModule);
|
|
|
|
return r;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetDefaultCommConfigA (KERNEL32.@)
|
|
*
|
|
* Initializes the default configuration for a communication device.
|
|
*
|
|
* See SetDefaultCommConfigW.
|
|
*
|
|
*/
|
|
BOOL WINAPI SetDefaultCommConfigA(LPCSTR lpszDevice, LPCOMMCONFIG lpCommConfig, DWORD dwSize)
|
|
{
|
|
BOOL r;
|
|
LPWSTR lpDeviceW = NULL;
|
|
DWORD len;
|
|
|
|
TRACE("(%s, %p, %u)\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. */
|
|
{
|
|
DWORD (WINAPI *pGetDefaultCommConfig)(LPCWSTR, LPCOMMCONFIG, LPDWORD);
|
|
HMODULE hConfigModule;
|
|
DWORD res = ERROR_INVALID_PARAMETER;
|
|
|
|
TRACE("(%s, %p, %p) *lpdwSize: %u\n", debugstr_w(lpszName), lpCC, lpdwSize, lpdwSize ? *lpdwSize : 0 );
|
|
hConfigModule = LoadLibraryW(lpszSerialUI);
|
|
|
|
if (hConfigModule) {
|
|
pGetDefaultCommConfig = (void *)GetProcAddress(hConfigModule, "drvGetDefaultCommConfigW");
|
|
if (pGetDefaultCommConfig) {
|
|
res = pGetDefaultCommConfig(lpszName, lpCC, lpdwSize);
|
|
}
|
|
FreeLibrary(hConfigModule);
|
|
}
|
|
|
|
if (res) SetLastError(res);
|
|
return (res == ERROR_SUCCESS);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* 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, %p) *lpdwSize: %u\n", debugstr_a(lpszName), lpCC, lpdwSize, lpdwSize ? *lpdwSize : 0 );
|
|
if(lpszName) RtlCreateUnicodeStringFromAsciiz(&lpszNameW,lpszName);
|
|
else lpszNameW.Buffer = NULL;
|
|
|
|
ret = GetDefaultCommConfigW(lpszNameW.Buffer,lpCC,lpdwSize);
|
|
|
|
RtlFreeUnicodeString(&lpszNameW);
|
|
return ret;
|
|
}
|