本文整理汇总了C++中serial::SerialException方法的典型用法代码示例。如果您正苦于以下问题：C++ serial::SerialException方法的具体用法？C++ serial::SerialException怎么用？C++ serial::SerialException使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类serial的用法示例。
在下文中一共展示了serial::SerialException方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: PortNotOpenedException
void
Serial::SerialImpl::setDTR (bool level)
{
if (is_open_ == false) {
throw PortNotOpenedException ("Serial::setDTR");
}
int command = TIOCM_DTR;
if (level) {
if (-1 == ioctl (fd_, TIOCMBIS, &command))
{
stringstream ss;
ss << "setDTR failed on a call to ioctl(TIOCMBIS): " << errno << " " << strerror(errno);
throw(SerialException(ss.str().c_str()));
}
} else {
if (-1 == ioctl (fd_, TIOCMBIC, &command))
{
stringstream ss;
ss << "setDTR failed on a call to ioctl(TIOCMBIC): " << errno << " " << strerror(errno);
throw(SerialException(ss.str().c_str()));
}
}
}示例2: invalid_argument
void
Serial::SerialImpl::open ()
{
if (port_.empty ()) {
throw invalid_argument ("Empty port is invalid.");
}
if (is_open_ == true) {
throw SerialException ("Serial port already open.");
}
fd_ = ::open (port_.c_str(), O_RDWR | O_NOCTTY | O_NONBLOCK);
if (fd_ == -1) {
switch (errno) {
case EINTR:
// Recurse because this is a recoverable error.
open ();
return;
case ENFILE:
case EMFILE:
THROW (IOException, "Too many file handles open.");
default:
THROW (IOException, errno);
}
}
reconfigurePort();
is_open_ = true;
}示例3: ioctl
bool
Serial::SerialImpl::waitForChange ()
{
#ifndef TIOCMIWAIT
while (is_open_ == true) {
int status;
if (-1 == ioctl (fd_, TIOCMGET, &status))
{
stringstream ss;
ss << "waitForChange failed on a call to ioctl(TIOCMGET): " << errno << " " << strerror(errno);
throw(SerialException(ss.str().c_str()));
}
else
{
if (0 != (status & TIOCM_CTS)
|| 0 != (status & TIOCM_DSR)
|| 0 != (status & TIOCM_RI)
|| 0 != (status & TIOCM_CD))
{
return true;
}
}
usleep(1000);
}
return false;
#else
int command = (TIOCM_CD|TIOCM_DSR|TIOCM_RI|TIOCM_CTS);
if (-1 == ioctl (fd_, TIOCMIWAIT, &command)) {
stringstream ss;
ss << "waitForDSR failed on a call to ioctl(TIOCMIWAIT): "
<< errno << " " << strerror(errno);
throw(SerialException(ss.str().c_str()));
}
return true;
#endif
}示例4: invalid_argument
void
Serial::SerialImpl::open ()
{
if (port_.empty ()) {
throw invalid_argument ("Empty port is invalid.");
}
if (is_open_ == true) {
throw SerialException ("Serial port already open.");
}
// See: https://github.com/wjwwood/serial/issues/84
wstring port_with_prefix = _prefix_port_if_needed(port_);
LPCWSTR lp_port = port_with_prefix.c_str();
fd_ = CreateFileW(lp_port,
GENERIC_READ | GENERIC_WRITE,
0,
0,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if (fd_ == INVALID_HANDLE_VALUE) {
DWORD errno_ = GetLastError();
stringstream ss;
switch (errno_) {
case ERROR_FILE_NOT_FOUND:
// Use this->getPort to convert to a std::string
ss << "Specified port, " << this->getPort() << ", does not exist.";
THROW (IOException, ss.str().c_str());
default:
ss << "Unknown error opening the serial port: " << errno;
THROW (IOException, ss.str().c_str());
}
}
reconfigurePort();
is_open_ = true;
}