diff options
Diffstat (limited to 'win')
| -rw-r--r-- | win/tclWinSerial.c | 853 |
1 files changed, 429 insertions, 424 deletions
diff --git a/win/tclWinSerial.c b/win/tclWinSerial.c index 0d363a5..4041a89 100644 --- a/win/tclWinSerial.c +++ b/win/tclWinSerial.c @@ -11,7 +11,7 @@ * * Serial functionality implemented by Rolf.Schroedter@dlr.de * - * RCS: @(#) $Id: tclWinSerial.c,v 1.25.2.2 2005/01/27 22:53:38 andreas_kupries Exp $ + * RCS: @(#) $Id: tclWinSerial.c,v 1.25.2.3 2005/10/05 06:33:52 hobbs Exp $ */ #include "tclWinInt.h" @@ -1579,10 +1579,10 @@ SerialModemStatusStr(status, dsPtr) */ static int SerialSetOptionProc(instanceData, interp, optionName, value) - ClientData instanceData; /* File state. */ - Tcl_Interp *interp; /* For error reporting - can be NULL. */ - CONST char *optionName; /* Which option to set? */ - CONST char *value; /* New value for option. */ + ClientData instanceData; /* File state. */ + Tcl_Interp *interp; /* For error reporting - can be NULL. */ + CONST char *optionName; /* Which option to set? */ + CONST char *value; /* New value for option. */ { SerialInfo *infoPtr; DCB dcb; @@ -1592,310 +1592,315 @@ SerialSetOptionProc(instanceData, interp, optionName, value) CONST TCHAR *native; int argc; CONST char **argv; - + infoPtr = (SerialInfo *) instanceData; - - /* - * Parse options - */ + + /* + * Parse options + */ len = strlen(optionName); vlen = strlen(value); - /* - * Option -mode baud,parity,databits,stopbits - */ + /* + * Option -mode baud,parity,databits,stopbits + */ if ((len > 2) && (strncmp(optionName, "-mode", len) == 0)) { - - if (! GetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't get comm state", (char *) NULL); - } - return TCL_ERROR; - } - native = Tcl_WinUtfToTChar(value, -1, &ds); - result = (*tclWinProcs->buildCommDCBProc)(native, &dcb); - Tcl_DStringFree(&ds); - - if (result == FALSE) { - if (interp) { - Tcl_AppendResult(interp, - "bad value for -mode: should be baud,parity,data,stop", - (char *) NULL); - } - return TCL_ERROR; - } + if (! GetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't get comm state", (char *) NULL); + } + return TCL_ERROR; + } + native = Tcl_WinUtfToTChar(value, -1, &ds); + result = (*tclWinProcs->buildCommDCBProc)(native, &dcb); + Tcl_DStringFree(&ds); + + if (result == FALSE) { + if (interp) { + Tcl_AppendResult(interp, + "bad value for -mode: should be baud,parity,data,stop", + (char *) NULL); + } + return TCL_ERROR; + } - /* Default settings for serial communications */ - dcb.fBinary = TRUE; - dcb.fErrorChar = FALSE; - dcb.fNull = FALSE; - dcb.fAbortOnError = FALSE; + /* Default settings for serial communications */ + dcb.fBinary = TRUE; + dcb.fErrorChar = FALSE; + dcb.fNull = FALSE; + dcb.fAbortOnError = FALSE; - if (! SetCommState(infoPtr->handle, &dcb) ) { - if (interp) { - Tcl_AppendResult(interp, - "can't set comm state", (char *) NULL); - } - return TCL_ERROR; - } - return TCL_OK; + if (! SetCommState(infoPtr->handle, &dcb) ) { + if (interp) { + Tcl_AppendResult(interp, + "can't set comm state", (char *) NULL); + } + return TCL_ERROR; + } + return TCL_OK; } - - /* - * Option -handshake none|xonxoff|rtscts|dtrdsr - */ + + /* + * Option -handshake none|xonxoff|rtscts|dtrdsr + */ if ((len > 1) && (strncmp(optionName, "-handshake", len) == 0)) { - - if (! GetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't get comm state", (char *) NULL); - } - return TCL_ERROR; - } - /* - * Reset all handshake options - * DTR and RTS are ON by default - */ - dcb.fOutX = dcb.fInX = FALSE; - dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = dcb.fDsrSensitivity = FALSE; - dcb.fDtrControl = DTR_CONTROL_ENABLE; - dcb.fRtsControl = RTS_CONTROL_ENABLE; - dcb.fTXContinueOnXoff = FALSE; + if (! GetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't get comm state", (char *) NULL); + } + return TCL_ERROR; + } + /* + * Reset all handshake options + * DTR and RTS are ON by default + */ + dcb.fOutX = dcb.fInX = FALSE; + dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = dcb.fDsrSensitivity = FALSE; + dcb.fDtrControl = DTR_CONTROL_ENABLE; + dcb.fRtsControl = RTS_CONTROL_ENABLE; + dcb.fTXContinueOnXoff = FALSE; - /* - * Adjust the handshake limits. - * Yes, the XonXoff limits seem to influence even hardware handshake - */ - dcb.XonLim = (WORD) (infoPtr->sysBufRead*1/2); - dcb.XoffLim = (WORD) (infoPtr->sysBufRead*1/4); - - if (strnicmp(value, "NONE", vlen) == 0) { - /* leave all handshake options disabled */ - } else if (strnicmp(value, "XONXOFF", vlen) == 0) { - dcb.fOutX = dcb.fInX = TRUE; - } else if (strnicmp(value, "RTSCTS", vlen) == 0) { - dcb.fOutxCtsFlow = TRUE; - dcb.fRtsControl = RTS_CONTROL_HANDSHAKE; - } else if (strnicmp(value, "DTRDSR", vlen) == 0) { - dcb.fOutxDsrFlow = TRUE; - dcb.fDtrControl = DTR_CONTROL_HANDSHAKE; - } else { - if (interp) { - Tcl_AppendResult(interp, "bad value for -handshake: ", - "must be one of xonxoff, rtscts, dtrdsr or none", - (char *) NULL); - return TCL_ERROR; - } - } - - if (! SetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't set comm state", (char *) NULL); - } - return TCL_ERROR; - } - return TCL_OK; + /* + * Adjust the handshake limits. + * Yes, the XonXoff limits seem to influence even hardware handshake + */ + dcb.XonLim = (WORD) (infoPtr->sysBufRead*1/2); + dcb.XoffLim = (WORD) (infoPtr->sysBufRead*1/4); + + if (strnicmp(value, "NONE", vlen) == 0) { + /* leave all handshake options disabled */ + } else if (strnicmp(value, "XONXOFF", vlen) == 0) { + dcb.fOutX = dcb.fInX = TRUE; + } else if (strnicmp(value, "RTSCTS", vlen) == 0) { + dcb.fOutxCtsFlow = TRUE; + dcb.fRtsControl = RTS_CONTROL_HANDSHAKE; + } else if (strnicmp(value, "DTRDSR", vlen) == 0) { + dcb.fOutxDsrFlow = TRUE; + dcb.fDtrControl = DTR_CONTROL_HANDSHAKE; + } else { + if (interp) { + Tcl_AppendResult(interp, "bad value for -handshake: ", + "must be one of xonxoff, rtscts, dtrdsr or none", + (char *) NULL); + return TCL_ERROR; + } + } + + if (! SetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't set comm state", (char *) NULL); + } + return TCL_ERROR; + } + return TCL_OK; } - - /* - * Option -xchar {\x11 \x13} - */ + + /* + * Option -xchar {\x11 \x13} + */ if ((len > 1) && (strncmp(optionName, "-xchar", len) == 0)) { - - if (! GetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't get comm state", (char *) NULL); - } - return TCL_ERROR; - } - - if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { - return TCL_ERROR; - } - if (argc == 2) { - dcb.XonChar = argv[0][0]; - dcb.XoffChar = argv[1][0]; - } else { - if (interp) { - Tcl_AppendResult(interp, - "bad value for -xchar: should be a list of two elements", - (char *) NULL); - } - return TCL_ERROR; - } - - if (! SetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't set comm state", (char *) NULL); - } - return TCL_ERROR; - } - return TCL_OK; + if (! GetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't get comm state", (char *) NULL); + } + return TCL_ERROR; + } + + if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { + return TCL_ERROR; + } + if (argc == 2) { + dcb.XonChar = argv[0][0]; + dcb.XoffChar = argv[1][0]; + ckfree((char *) argv); + } else { + if (interp) { + Tcl_AppendResult(interp, + "bad value for -xchar: should be a list of two elements", + (char *) NULL); + } + ckfree((char *) argv); + return TCL_ERROR; + } + + if (! SetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't set comm state", (char *) NULL); + } + return TCL_ERROR; + } + return TCL_OK; } - - /* - * Option -ttycontrol {DTR 1 RTS 0 BREAK 0} - */ + + /* + * Option -ttycontrol {DTR 1 RTS 0 BREAK 0} + */ if ((len > 4) && (strncmp(optionName, "-ttycontrol", len) == 0)) { - - if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { - return TCL_ERROR; - } - if ((argc % 2) == 1) { - if (interp) { - Tcl_AppendResult(interp, - "bad value for -ttycontrol: should be a list of signal,value pairs", - (char *) NULL); - } - return TCL_ERROR; - } - while (argc > 1) { - if (Tcl_GetBoolean(interp, argv[1], &flag) == TCL_ERROR) { - return TCL_ERROR; - } - if (strnicmp(argv[0], "DTR", strlen(argv[0])) == 0) { - if (! EscapeCommFunction(infoPtr->handle, flag ? - (DWORD) SETDTR : (DWORD) CLRDTR)) { - if (interp) { - Tcl_AppendResult(interp, - "can't set DTR signal", (char *) NULL); - } - return TCL_ERROR; - } - } else if (strnicmp(argv[0], "RTS", strlen(argv[0])) == 0) { - if (! EscapeCommFunction(infoPtr->handle, flag ? - (DWORD) SETRTS : (DWORD) CLRRTS)) { - if (interp) { - Tcl_AppendResult(interp, - "can't set RTS signal", (char *) NULL); - } - return TCL_ERROR; - } - } else if (strnicmp(argv[0], "BREAK", strlen(argv[0])) == 0) { - if (! EscapeCommFunction(infoPtr->handle, flag ? - (DWORD) SETBREAK : (DWORD) CLRBREAK)) { - if (interp) { - Tcl_AppendResult(interp, - "can't set BREAK signal", (char *) NULL); - } - return TCL_ERROR; - } - } else { - if (interp) { - Tcl_AppendResult(interp, - "bad signal for -ttycontrol: must be DTR, RTS or BREAK", - (char *) NULL); - } - return TCL_ERROR; - } - argc -= 2, argv += 2; - } /* while (argc > 1) */ - - return TCL_OK; + int i, result = TCL_OK; + + if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { + return TCL_ERROR; + } + if ((argc % 2) == 1) { + if (interp) { + Tcl_AppendResult(interp, + "bad value for -ttycontrol: should be a list of signal,value pairs", + (char *) NULL); + } + ckfree((char *) argv); + return TCL_ERROR; + } + for (i = 0; i < argc - 1; i += 2) { + if (Tcl_GetBoolean(interp, argv[i+1], &flag) == TCL_ERROR) { + result = TCL_ERROR; + break; + } + if (strnicmp(argv[i], "DTR", strlen(argv[i])) == 0) { + if (!EscapeCommFunction(infoPtr->handle, flag ? + (DWORD) SETDTR : (DWORD) CLRDTR)) { + if (interp) { + Tcl_AppendResult(interp, + "can't set DTR signal", (char *) NULL); + } + result = TCL_ERROR; + break; + } + } else if (strnicmp(argv[i], "RTS", strlen(argv[i])) == 0) { + if (!EscapeCommFunction(infoPtr->handle, flag ? + (DWORD) SETRTS : (DWORD) CLRRTS)) { + if (interp) { + Tcl_AppendResult(interp, + "can't set RTS signal", (char *) NULL); + } + result = TCL_ERROR; + break; + } + } else if (strnicmp(argv[i], "BREAK", strlen(argv[i])) == 0) { + if (!EscapeCommFunction(infoPtr->handle, flag ? + (DWORD) SETBREAK : (DWORD) CLRBREAK)) { + if (interp) { + Tcl_AppendResult(interp, + "can't set BREAK signal", (char *) NULL); + } + result = TCL_ERROR; + break; + } + } else { + if (interp) { + Tcl_AppendResult(interp, "bad signal for -ttycontrol: ", + "must be DTR, RTS or BREAK", (char *) NULL); + } + result = TCL_ERROR; + break; + } + } + + ckfree((char *) argv); + return result; } - - /* - * Option -sysbuffer {read_size write_size} - * Option -sysbuffer read_size - */ + + /* + * Option -sysbuffer {read_size write_size} + * Option -sysbuffer read_size + */ if ((len > 1) && (strncmp(optionName, "-sysbuffer", len) == 0)) { - - /* - * -sysbuffer 4096 or -sysbuffer {64536 4096} - */ - size_t inSize = (size_t) -1, outSize = (size_t) -1; - - if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { - return TCL_ERROR; - } - if (argc == 1) { - inSize = atoi(argv[0]); - outSize = infoPtr->sysBufWrite; - } else if (argc == 2) { - inSize = atoi(argv[0]); - outSize = atoi(argv[1]); - } - if ( (inSize <= 0) || (outSize <= 0) ) { - if (interp) { - Tcl_AppendResult(interp, - "bad value for -sysbuffer: should be a list of one or two integers > 0", - (char *) NULL); - } - return TCL_ERROR; - } - if (! SetupComm(infoPtr->handle, inSize, outSize)) { - if (interp) { - Tcl_AppendResult(interp, - "can't setup comm buffers", (char *) NULL); - } - return TCL_ERROR; - } - infoPtr->sysBufRead = inSize; - infoPtr->sysBufWrite = outSize; - - /* - * Adjust the handshake limits. - * Yes, the XonXoff limits seem to influence even hardware handshake - */ - if (! GetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't get comm state", (char *) NULL); - } - return TCL_ERROR; - } - dcb.XonLim = (WORD) (infoPtr->sysBufRead*1/2); - dcb.XoffLim = (WORD) (infoPtr->sysBufRead*1/4); - if (! SetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't set comm state", (char *) NULL); - } - return TCL_ERROR; - } - return TCL_OK; + /* + * -sysbuffer 4096 or -sysbuffer {64536 4096} + */ + size_t inSize = (size_t) -1, outSize = (size_t) -1; + + if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { + return TCL_ERROR; + } + if (argc == 1) { + inSize = atoi(argv[0]); + outSize = infoPtr->sysBufWrite; + } else if (argc == 2) { + inSize = atoi(argv[0]); + outSize = atoi(argv[1]); + } + ckfree((char *) argv); + if ((inSize <= 0) || (outSize <= 0)) { + if (interp) { + Tcl_AppendResult(interp, + "bad value for -sysbuffer: should be a list of one or two integers > 0", + (char *) NULL); + } + return TCL_ERROR; + } + if (! SetupComm(infoPtr->handle, inSize, outSize)) { + if (interp) { + Tcl_AppendResult(interp, + "can't setup comm buffers", (char *) NULL); + } + return TCL_ERROR; + } + infoPtr->sysBufRead = inSize; + infoPtr->sysBufWrite = outSize; + + /* + * Adjust the handshake limits. + * Yes, the XonXoff limits seem to influence even hardware handshake + */ + if (! GetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't get comm state", (char *) NULL); + } + return TCL_ERROR; + } + dcb.XonLim = (WORD) (infoPtr->sysBufRead*1/2); + dcb.XoffLim = (WORD) (infoPtr->sysBufRead*1/4); + if (! SetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't set comm state", (char *) NULL); + } + return TCL_ERROR; + } + return TCL_OK; } - /* - * Option -pollinterval msec - */ + /* + * Option -pollinterval msec + */ if ((len > 1) && (strncmp(optionName, "-pollinterval", len) == 0)) { - - if ( Tcl_GetInt(interp, value, &(infoPtr->blockTime)) != TCL_OK ) { - return TCL_ERROR; - } - return TCL_OK; + + if ( Tcl_GetInt(interp, value, &(infoPtr->blockTime)) != TCL_OK ) { + return TCL_ERROR; + } + return TCL_OK; } - - /* - * Option -timeout msec - */ + + /* + * Option -timeout msec + */ if ((len > 2) && (strncmp(optionName, "-timeout", len) == 0)) { - int msec; - COMMTIMEOUTS tout = {0,0,0,0,0}; - - if ( Tcl_GetInt(interp, value, &msec) != TCL_OK ) { - return TCL_ERROR; - } - tout.ReadTotalTimeoutConstant = msec; - if (! SetCommTimeouts(infoPtr->handle, &tout)) { - if (interp) { - Tcl_AppendResult(interp, - "can't set comm timeouts", (char *) NULL); - } - return TCL_ERROR; - } + int msec; + COMMTIMEOUTS tout = {0,0,0,0,0}; - return TCL_OK; + if ( Tcl_GetInt(interp, value, &msec) != TCL_OK ) { + return TCL_ERROR; + } + tout.ReadTotalTimeoutConstant = msec; + if (! SetCommTimeouts(infoPtr->handle, &tout)) { + if (interp) { + Tcl_AppendResult(interp, + "can't set comm timeouts", (char *) NULL); + } + return TCL_ERROR; + } + + return TCL_OK; } - + return Tcl_BadChannelOption(interp, optionName, - "mode handshake pollinterval sysbuffer timeout ttycontrol xchar"); + "mode handshake pollinterval sysbuffer timeout ttycontrol xchar"); } /* @@ -1920,200 +1925,200 @@ SerialSetOptionProc(instanceData, interp, optionName, value) */ static int SerialGetOptionProc(instanceData, interp, optionName, dsPtr) - ClientData instanceData; /* File state. */ - Tcl_Interp *interp; /* For error reporting - can be NULL. */ - CONST char *optionName; /* Option to get. */ - Tcl_DString *dsPtr; /* Where to store value(s). */ + ClientData instanceData; /* File state. */ + Tcl_Interp *interp; /* For error reporting - can be NULL. */ + CONST char *optionName; /* Option to get. */ + Tcl_DString *dsPtr; /* Where to store value(s). */ { SerialInfo *infoPtr; DCB dcb; size_t len; int valid = 0; /* flag if valid option parsed */ - + infoPtr = (SerialInfo *) instanceData; - + if (optionName == NULL) { - len = 0; + len = 0; } else { - len = strlen(optionName); + len = strlen(optionName); } - + /* - * get option -mode - */ - + * get option -mode + */ + if (len == 0) { - Tcl_DStringAppendElement(dsPtr, "-mode"); + Tcl_DStringAppendElement(dsPtr, "-mode"); } if ((len == 0) || - ((len > 2) && (strncmp(optionName, "-mode", len) == 0))) { - - char parity; - char *stop; - char buf[2 * TCL_INTEGER_SPACE + 16]; - - if (! GetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't get comm state", (char *) NULL); - } - return TCL_ERROR; - } - - valid = 1; - parity = 'n'; - if (dcb.Parity <= 4) { - parity = "noems"[dcb.Parity]; - } - stop = (dcb.StopBits == ONESTOPBIT) ? "1" : - (dcb.StopBits == ONE5STOPBITS) ? "1.5" : "2"; - - wsprintfA(buf, "%d,%c,%d,%s", dcb.BaudRate, parity, - dcb.ByteSize, stop); - Tcl_DStringAppendElement(dsPtr, buf); + ((len > 2) && (strncmp(optionName, "-mode", len) == 0))) { + + char parity; + char *stop; + char buf[2 * TCL_INTEGER_SPACE + 16]; + + if (! GetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't get comm state", (char *) NULL); + } + return TCL_ERROR; + } + + valid = 1; + parity = 'n'; + if (dcb.Parity <= 4) { + parity = "noems"[dcb.Parity]; + } + stop = (dcb.StopBits == ONESTOPBIT) ? "1" : + (dcb.StopBits == ONE5STOPBITS) ? "1.5" : "2"; + + wsprintfA(buf, "%d,%c,%d,%s", dcb.BaudRate, parity, + dcb.ByteSize, stop); + Tcl_DStringAppendElement(dsPtr, buf); } - + /* - * get option -pollinterval - */ - + * get option -pollinterval + */ + if (len == 0) { - Tcl_DStringAppendElement(dsPtr, "-pollinterval"); + Tcl_DStringAppendElement(dsPtr, "-pollinterval"); } if ((len == 0) || - ((len > 1) && (strncmp(optionName, "-pollinterval", len) == 0))) { - char buf[TCL_INTEGER_SPACE + 1]; - - valid = 1; - wsprintfA(buf, "%d", infoPtr->blockTime); - Tcl_DStringAppendElement(dsPtr, buf); + ((len > 1) && (strncmp(optionName, "-pollinterval", len) == 0))) { + char buf[TCL_INTEGER_SPACE + 1]; + + valid = 1; + wsprintfA(buf, "%d", infoPtr->blockTime); + Tcl_DStringAppendElement(dsPtr, buf); } - + /* - * get option -sysbuffer - */ - + * get option -sysbuffer + */ + if (len == 0) { - Tcl_DStringAppendElement(dsPtr, "-sysbuffer"); - Tcl_DStringStartSublist(dsPtr); + Tcl_DStringAppendElement(dsPtr, "-sysbuffer"); + Tcl_DStringStartSublist(dsPtr); } if ((len == 0) || - ((len > 1) && (strncmp(optionName, "-sysbuffer", len) == 0))) { + ((len > 1) && (strncmp(optionName, "-sysbuffer", len) == 0))) { - char buf[TCL_INTEGER_SPACE + 1]; - valid = 1; + char buf[TCL_INTEGER_SPACE + 1]; + valid = 1; - wsprintfA(buf, "%d", infoPtr->sysBufRead); - Tcl_DStringAppendElement(dsPtr, buf); - wsprintfA(buf, "%d", infoPtr->sysBufWrite); - Tcl_DStringAppendElement(dsPtr, buf); + wsprintfA(buf, "%d", infoPtr->sysBufRead); + Tcl_DStringAppendElement(dsPtr, buf); + wsprintfA(buf, "%d", infoPtr->sysBufWrite); + Tcl_DStringAppendElement(dsPtr, buf); } if (len == 0) { - Tcl_DStringEndSublist(dsPtr); + Tcl_DStringEndSublist(dsPtr); } - + /* - * get option -xchar - */ - + * get option -xchar + */ + if (len == 0) { - Tcl_DStringAppendElement(dsPtr, "-xchar"); - Tcl_DStringStartSublist(dsPtr); + Tcl_DStringAppendElement(dsPtr, "-xchar"); + Tcl_DStringStartSublist(dsPtr); } if ((len == 0) || - ((len > 1) && (strncmp(optionName, "-xchar", len) == 0))) { + ((len > 1) && (strncmp(optionName, "-xchar", len) == 0))) { - char buf[4]; - valid = 1; + char buf[4]; + valid = 1; - if (! GetCommState(infoPtr->handle, &dcb)) { - if (interp) { - Tcl_AppendResult(interp, - "can't get comm state", (char *) NULL); - } - return TCL_ERROR; - } - sprintf(buf, "%c", dcb.XonChar); - Tcl_DStringAppendElement(dsPtr, buf); - sprintf(buf, "%c", dcb.XoffChar); - Tcl_DStringAppendElement(dsPtr, buf); + if (! GetCommState(infoPtr->handle, &dcb)) { + if (interp) { + Tcl_AppendResult(interp, + "can't get comm state", (char *) NULL); + } + return TCL_ERROR; + } + sprintf(buf, "%c", dcb.XonChar); + Tcl_DStringAppendElement(dsPtr, buf); + sprintf(buf, "%c", dcb.XoffChar); + Tcl_DStringAppendElement(dsPtr, buf); } if (len == 0) { - Tcl_DStringEndSublist(dsPtr); + Tcl_DStringEndSublist(dsPtr); } /* - * get option -lasterror - * option is readonly and returned by [fconfigure chan -lasterror] - * but not returned by unnamed [fconfigure chan] - */ - + * get option -lasterror + * option is readonly and returned by [fconfigure chan -lasterror] + * but not returned by unnamed [fconfigure chan] + */ + if ( (len > 1) && (strncmp(optionName, "-lasterror", len) == 0) ) { - valid = 1; - SerialErrorStr(infoPtr->lastError, dsPtr); + valid = 1; + SerialErrorStr(infoPtr->lastError, dsPtr); } - + /* - * get option -queue - * option is readonly and returned by [fconfigure chan -queue] - */ - + * get option -queue + * option is readonly and returned by [fconfigure chan -queue] + */ + if ((len > 1) && (strncmp(optionName, "-queue", len) == 0)) { - char buf[TCL_INTEGER_SPACE + 1]; - COMSTAT cStat; - DWORD error; + char buf[TCL_INTEGER_SPACE + 1]; + COMSTAT cStat; + DWORD error; int inBuffered, outBuffered, count; - valid = 1; + valid = 1; - /* - * Query the pending data in Tcl's internal queues - */ - inBuffered = Tcl_InputBuffered(infoPtr->channel); + /* + * Query the pending data in Tcl's internal queues + */ + inBuffered = Tcl_InputBuffered(infoPtr->channel); outBuffered = Tcl_OutputBuffered(infoPtr->channel); - /* - * Query the number of bytes in our output queue: - * 1. The bytes pending in the output thread - * 2. The bytes in the system drivers buffer - * The writer thread should not interfere this action. - */ - EnterCriticalSection(&infoPtr->csWrite); - ClearCommError( infoPtr->handle, &error, &cStat ); - count = (int)cStat.cbOutQue + infoPtr->writeQueue; - LeaveCriticalSection(&infoPtr->csWrite); + /* + * Query the number of bytes in our output queue: + * 1. The bytes pending in the output thread + * 2. The bytes in the system drivers buffer + * The writer thread should not interfere this action. + */ + EnterCriticalSection(&infoPtr->csWrite); + ClearCommError( infoPtr->handle, &error, &cStat ); + count = (int)cStat.cbOutQue + infoPtr->writeQueue; + LeaveCriticalSection(&infoPtr->csWrite); - wsprintfA(buf, "%d", inBuffered + cStat.cbInQue); - Tcl_DStringAppendElement(dsPtr, buf); - wsprintfA(buf, "%d", outBuffered + count); - Tcl_DStringAppendElement(dsPtr, buf); + wsprintfA(buf, "%d", inBuffered + cStat.cbInQue); + Tcl_DStringAppendElement(dsPtr, buf); + wsprintfA(buf, "%d", outBuffered + count); + Tcl_DStringAppendElement(dsPtr, buf); } /* - * get option -ttystatus - * option is readonly and returned by [fconfigure chan -ttystatus] - * but not returned by unnamed [fconfigure chan] - */ - if ( (len > 4) && (strncmp(optionName, "-ttystatus", len) == 0) ) { - - DWORD status; - - if (! GetCommModemStatus(infoPtr->handle, &status)) { - if (interp) { - Tcl_AppendResult(interp, - "can't get tty status", (char *) NULL); - } - return TCL_ERROR; - } - valid = 1; - SerialModemStatusStr(status, dsPtr); + * get option -ttystatus + * option is readonly and returned by [fconfigure chan -ttystatus] + * but not returned by unnamed [fconfigure chan] + */ + if ((len > 4) && (strncmp(optionName, "-ttystatus", len) == 0)) { + + DWORD status; + + if (! GetCommModemStatus(infoPtr->handle, &status)) { + if (interp) { + Tcl_AppendResult(interp, + "can't get tty status", (char *) NULL); + } + return TCL_ERROR; + } + valid = 1; + SerialModemStatusStr(status, dsPtr); } - + if (valid) { - return TCL_OK; + return TCL_OK; } else { - return Tcl_BadChannelOption(interp, optionName, - "mode pollinterval lasterror queue sysbuffer ttystatus xchar"); + return Tcl_BadChannelOption(interp, optionName, + "mode pollinterval lasterror queue sysbuffer ttystatus xchar"); } } |