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Merge pull request #33 from wjwwood/fix_custom_baudrate_osx

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Update how custom baudrates are handled on OS X
This commit is contained in:
William Woodall 2013-08-13 13:53:14 -07:00
commit ae34a17364
1 changed files with 11 additions and 4 deletions
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15
src/impl/unix.cc
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@ -36,6 +36,10 @@
#endif
#endif
#if defined(MAC_OS_X_VERSION_10_3) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_3)
#include <IOKit/serial/ioss.h>
#endif
using std::string;
using std::stringstream;
using std::invalid_argument;
@ -238,10 +242,13 @@ Serial::SerialImpl::reconfigurePort ()
#endif
default:
custom_baud = true;
// Mac OS X 10.x Support
#if defined(__APPLE__) && defined(__MACH__)
#define IOSSIOSPEED _IOW('T', 2, speed_t)
int new_baud = static_cast<int> (baudrate_);
// OS X support
#if defined(MAC_OS_X_VERSION_10_4) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_4)
// Starting with Tiger, the IOSSIOSPEED ioctl can be used to set arbitrary baud rates
// other than those specified by POSIX. The driver for the underlying serial hardware
// ultimately determines which baud rates can be used. This ioctl sets both the input
// and output speed.
speed_t new_baud = static_cast<speed_t>(baudrate_);
if (ioctl (fd_, IOSSIOSPEED, &new_baud, 1) < 0) {
THROW (IOException, errno);
}