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Fix FTDI Adaptor on Linux and Mac

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Eric Brandt provided a fix for the new FTDI adaptor
sold with Computrainers from late 2009. It only fixed
the problem under Windows.

This fix applies the same modification to turn off
hardware flow-control for Linux and Mac.

Fixes #523.
This commit is contained in:
Mark Liversedge
2011-11-25 16:09:27 +00:00
parent 9428205ced
commit 09658f679a
1 changed files with 12 additions and 4 deletions
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16
src/Computrainer.cpp
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@@ -821,15 +821,22 @@ int Computrainer::openPort()
cfsetspeed(&deviceSettings, B2400);
// further attributes
deviceSettings.c_iflag= IGNPAR;
deviceSettings.c_oflag=0;
deviceSettings.c_iflag &= ~(IGNBRK | BRKINT | ICRNL | INLCR | PARMRK | INPCK | ICANON | ISTRIP | IXON | IXOFF | IXANY);
deviceSettings.c_iflag |= IGNPAR;
deviceSettings.c_cflag &= (~CSIZE & ~CSTOPB);
deviceSettings.c_oflag=0;
#if defined(Q_OS_MACX)
deviceSettings.c_cflag |= (CS8 | CREAD | HUPCL | CCTS_OFLOW | CRTS_IFLOW);
deviceSettings.c_cflag &= (~CCTS_OFLOW & ~CRTS_IFLOW); // no hardware flow control
deviceSettings.c_cflag |= (CS8 | CLOCAL | CREAD | HUPCL);
#else
deviceSettings.c_cflag |= (CS8 | CREAD | HUPCL | CRTSCTS);
deviceSettings.c_cflag &= (~CRTSCTS); // no hardware flow control
deviceSettings.c_cflag |= (CS8 | CLOCAL | CREAD | HUPCL);
#endif
deviceSettings.c_lflag=0;
deviceSettings.c_cc[VSTART] = 0x11;
deviceSettings.c_cc[VSTOP] = 0x13;
deviceSettings.c_cc[VEOF] = 0x20;
deviceSettings.c_cc[VMIN]=0;
deviceSettings.c_cc[VTIME]=0;
@@ -837,6 +844,7 @@ int Computrainer::openPort()
if(tcsetattr(devicePort, TCSANOW, &deviceSettings) == -1) return errno;
tcgetattr(devicePort, &deviceSettings);
tcflush(devicePort, TCIOFLUSH); // clear out the garbage
#else
// WINDOWS USES SET/GETCOMMSTATE AND READ/WRITEFILE