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Merge pull request #234 from kanoi/master

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fpgautils.c - must initialise c_cflag before using it
This commit is contained in:
Con Kolivas 2012-06-25 06:05:48 -07:00
commit cc557b3f8d
1 changed files with 17 additions and 12 deletions
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29
fpgautils.c
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@ -181,28 +181,33 @@ serial_open(const char*devpath, unsigned long baud, signed short timeout, bool p
if (unlikely(fdDev == -1)) if (unlikely(fdDev == -1))
return -1; return -1;
struct termios pattr; struct termios my_termios;
tcgetattr(fdDev, &pattr);
pattr.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON); tcgetattr(fdDev, &my_termios);
pattr.c_oflag &= ~OPOST;
pattr.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
pattr.c_cflag &= ~(CSIZE | PARENB);
pattr.c_cflag |= CS8;
switch (baud) { switch (baud) {
case 0: break; case 0: break;
case 115200: pattr.c_cflag = B115200; break; case 115200: my_termios.c_cflag = B115200; break;
default: default:
applog(LOG_WARNING, "Unrecognized baud rate: %lu", baud); applog(LOG_WARNING, "Unrecognized baud rate: %lu", baud);
} }
pattr.c_cflag |= CREAD | CLOCAL;
my_termios.c_cflag |= CS8;
my_termios.c_cflag |= CREAD;
my_termios.c_cflag |= CLOCAL;
my_termios.c_cflag &= ~(CSIZE | PARENB);
my_termios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK |
ISTRIP | INLCR | IGNCR | ICRNL | IXON);
my_termios.c_oflag &= ~OPOST;
my_termios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
if (timeout >= 0) { if (timeout >= 0) {
pattr.c_cc[VTIME] = (cc_t)timeout; my_termios.c_cc[VTIME] = (cc_t)timeout;
pattr.c_cc[VMIN] = 0; my_termios.c_cc[VMIN] = 0;
} }
tcsetattr(fdDev, TCSANOW, &pattr); tcsetattr(fdDev, TCSANOW, &my_termios);
if (purge) if (purge)
tcflush(fdDev, TCIOFLUSH); tcflush(fdDev, TCIOFLUSH);
return fdDev; return fdDev;