lib: Add bossac 1.9 code to lib directory

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

lib/bossac/src/LinuxPortFactory.cpp

@@ -0,0 +1,109 @@
+///////////////////////////////////////////////////////////////////////////////
+// BOSSA
+//
+// Copyright (c) 2011-2018, ShumaTech
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above copyright
+//       notice, this list of conditions and the following disclaimer in the
+//       documentation and/or other materials provided with the distribution.
+//     * Neither the name of the <organization> nor the
+//       names of its contributors may be used to endorse or promote products
+//       derived from this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+///////////////////////////////////////////////////////////////////////////////
+#include "LinuxPortFactory.h"
+#include "PosixSerialPort.h"
+
+#include <string.h>
+#include <stdio.h>
+
+#include <string>
+
+LinuxPortFactory::LinuxPortFactory()
+{
+    _dir = opendir("/dev");
+}
+
+LinuxPortFactory::~LinuxPortFactory()
+{
+    if (_dir)
+        closedir(_dir);
+}
+
+SerialPort::Ptr
+LinuxPortFactory::create(const std::string& name)
+{
+    bool isUsb = false;
+
+    if (name.find("ttyUSB") != std::string::npos ||
+        name.find("ttyACM") != std::string::npos)
+        isUsb = true;
+
+    return create(name, isUsb);
+}
+
+SerialPort::Ptr
+LinuxPortFactory::create(const std::string& name, bool isUsb)
+{
+    return SerialPort::Ptr(new PosixSerialPort(name, isUsb));
+}
+
+std::string
+LinuxPortFactory::begin()
+{
+    if (!_dir)
+        return end();
+
+    rewinddir(_dir);
+
+    return next();
+}
+
+std::string
+LinuxPortFactory::next()
+{
+    struct dirent* entry;
+
+    if (!_dir)
+        return end();
+
+    while ((entry = readdir(_dir)))
+    {
+        if (strncmp("ttyUSB", entry->d_name, sizeof("ttyUSB") - 1) == 0)
+            return std::string(entry->d_name);
+        else if (strncmp("ttyACM", entry->d_name, sizeof("ttyACM") - 1) == 0)
+            return std::string(entry->d_name);
+        else if (strncmp("ttyS", entry->d_name, sizeof("ttyS") - 1) == 0)
+            return std::string(entry->d_name);
+    }
+
+    return end();
+}
+
+std::string
+LinuxPortFactory::end()
+{
+    return std::string();
+}
+
+std::string
+LinuxPortFactory::def()
+{
+    return std::string("/dev/ttyACM0");
+}
+