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fix handling of COM ports over 10 on Windows, fixes #84

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This commit is contained in:
William Woodall 2015-04-21 20:18:22 -07:00
parent d7084ce775
commit 985c3a5172
1 changed files with 12 additions and 1 deletions
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13
src/impl/win.cc
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@ -20,6 +20,15 @@ using serial::SerialException;
using serial::PortNotOpenedException;
using serial::IOException;
inline wstring
_prefix_port_if_needed(const wstring &input)
{
static wstring windows_com_port_prefix = L"\\\\.\\";
if (input.compare(windows_com_port_prefix) != 0)
{
return windows_com_port_prefix + input;
}
}
Serial::SerialImpl::SerialImpl (const string &port, unsigned long baudrate,
bytesize_t bytesize,
@ -52,7 +61,9 @@ Serial::SerialImpl::open ()
throw SerialException ("Serial port already open.");
}
LPCWSTR lp_port = port_.c_str();
// 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,