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// $Id: RlinkPortTerm.cpp 516 2013-05-05 21:24:52Z mueller $
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// $Id: RlinkPortTerm.cpp 607 2014-11-30 20:02:48Z mueller $
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//
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//
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// Copyright 2011-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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// Copyright 2011-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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//
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//
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// This program is free software; you may redistribute and/or modify it under
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// This program is free software; you may redistribute and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// the terms of the GNU General Public License as published by the Free
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// 2011-03-27 374 1.0 Initial version
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// 2011-03-27 374 1.0 Initial version
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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/*!
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/*!
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\file
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\file
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\version $Id: RlinkPortTerm.cpp 516 2013-05-05 21:24:52Z mueller $
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\version $Id: RlinkPortTerm.cpp 607 2014-11-30 20:02:48Z mueller $
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\brief Implemenation of RlinkPortTerm.
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\brief Implemenation of RlinkPortTerm.
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*/
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*/
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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Line 135... |
"' failed: not a TTY");
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"' failed: not a TTY");
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close(fd);
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close(fd);
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return false;
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return false;
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}
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}
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if (tcgetattr(fd, &fTiosOld) != 0) {
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if (::tcgetattr(fd, &fTiosOld) != 0) {
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emsg.InitErrno("RlinkPortTerm::Open()",
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emsg.InitErrno("RlinkPortTerm::Open()",
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string("tcgetattr() for '") + fUrl.Path() + "' failed: ",
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string("tcgetattr() for '") + fUrl.Path() + "' failed: ",
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errno);
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errno);
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close(fd);
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::close(fd);
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return false;
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return false;
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}
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}
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bool use_cts = fUrl.FindOpt("cts");
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bool use_cts = fUrl.FindOpt("cts");
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bool use_xon = fUrl.FindOpt("xon");
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bool use_xon = fUrl.FindOpt("xon");
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fTiosNew.c_cflag |= CRTSCTS; // enable hardware flow control
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fTiosNew.c_cflag |= CRTSCTS; // enable hardware flow control
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}
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}
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fTiosNew.c_lflag = 0;
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fTiosNew.c_lflag = 0;
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if (cfsetspeed(&fTiosNew, speed) != 0) {
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if (::cfsetspeed(&fTiosNew, speed) != 0) {
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emsg.InitErrno("RlinkPortTerm::Open()",
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emsg.InitErrno("RlinkPortTerm::Open()",
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string("cfsetspeed() for '") + baud + "' failed: ",
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string("cfsetspeed() for '") + baud + "' failed: ",
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errno);
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errno);
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close(fd);
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close(fd);
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return false;
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return false;
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if (use_xon) {
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if (use_xon) {
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fTiosNew.c_cc[VSTART] = kc_xon; // setup XON -> ^Q
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fTiosNew.c_cc[VSTART] = kc_xon; // setup XON -> ^Q
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fTiosNew.c_cc[VSTOP] = kc_xoff; // setup XOFF -> ^S
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fTiosNew.c_cc[VSTOP] = kc_xoff; // setup XOFF -> ^S
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}
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}
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if (tcsetattr(fd, TCSANOW, &fTiosNew) != 0) {
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if (::tcsetattr(fd, TCSANOW, &fTiosNew) != 0) {
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emsg.InitErrno("RlinkPortTerm::Open()",
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emsg.InitErrno("RlinkPortTerm::Open()",
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string("tcsetattr() for '") + fUrl.Path() + "' failed: ",
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string("tcsetattr() for '") + fUrl.Path() + "' failed: ",
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errno);
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errno);
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close(fd);
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::close(fd);
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return false;
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return false;
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}
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}
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// tcsetattr() returns success if any of the requested changes could be
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// tcsetattr() returns success if any of the requested changes could be
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// successfully carried out. Therefore the termios structure is read back
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// successfully carried out. Therefore the termios structure is read back
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// and verified.
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// and verified.
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struct termios tios;
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struct termios tios;
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if (tcgetattr(fd, &tios) != 0) {
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if (::tcgetattr(fd, &tios) != 0) {
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emsg.InitErrno("RlinkPortTerm::Open()",
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emsg.InitErrno("RlinkPortTerm::Open()",
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string("2nd tcgetattr() for '") + fUrl.Path() +
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string("2nd tcgetattr() for '") + fUrl.Path() +
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"' failed: ", errno);
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"' failed: ", errno);
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close(fd);
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::close(fd);
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return false;
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return false;
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}
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}
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const char* pmsg = 0;
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const char* pmsg = 0;
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if (tios.c_iflag != fTiosNew.c_iflag) pmsg = "c_iflag";
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if (tios.c_iflag != fTiosNew.c_iflag) pmsg = "c_iflag";
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if (tios.c_oflag != fTiosNew.c_oflag) pmsg = "c_oflag";
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if (tios.c_oflag != fTiosNew.c_oflag) pmsg = "c_oflag";
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if (tios.c_cflag != fTiosNew.c_cflag) pmsg = "c_cflag";
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if (tios.c_cflag != fTiosNew.c_cflag) pmsg = "c_cflag";
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if (tios.c_lflag != fTiosNew.c_lflag) pmsg = "c_lflag";
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if (tios.c_lflag != fTiosNew.c_lflag) pmsg = "c_lflag";
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if (cfgetispeed(&tios) != speed) pmsg = "ispeed";
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if (::cfgetispeed(&tios) != speed) pmsg = "ispeed";
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if (cfgetospeed(&tios) != speed) pmsg = "ospeed";
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if (::cfgetospeed(&tios) != speed) pmsg = "ospeed";
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for (int i=0; i<NCCS; i++) {
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for (int i=0; i<NCCS; i++) {
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if (tios.c_cc[i] != fTiosNew.c_cc[i]) pmsg = "c_cc char";
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if (tios.c_cc[i] != fTiosNew.c_cc[i]) pmsg = "c_cc char";
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}
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}
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if (pmsg) {
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if (pmsg) {
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emsg.Init("RlinkPortTerm::Open()",
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emsg.Init("RlinkPortTerm::Open()",
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string("tcsetattr() failed to set") + string(pmsg));
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string("tcsetattr() failed to set") + string(pmsg));
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close(fd);
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::close(fd);
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return false;
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return false;
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}
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}
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fFdWrite = fd;
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fFdWrite = fd;
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fFdRead = fd;
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fFdRead = fd;
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Line 263... |
void RlinkPortTerm::Close()
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void RlinkPortTerm::Close()
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{
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{
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if (!IsOpen()) return;
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if (!IsOpen()) return;
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if (fFdWrite >= 0) {
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if (fFdWrite >= 0) {
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tcflush(fFdWrite, TCIOFLUSH);
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::tcflush(fFdWrite, TCIOFLUSH);
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tcsetattr(fFdWrite, TCSANOW, &fTiosOld);
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::tcsetattr(fFdWrite, TCSANOW, &fTiosOld);
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}
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}
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RlinkPort::Close();
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RlinkPort::Close();
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return;
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return;
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}
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}
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