Fixed the issue with reading on osx. writing still needs to be tested, then I...

Fixed the issue with reading on osx.  writing still needs to be tested, then I am going to remove the ROS dependency.

serial/CMakeLists.txt

@@ -28,4 +28,8 @@ rosbuild_add_boost_directories()
 rosbuild_link_boost(${PROJECT_NAME} system filesystem thread)
 rosbuild_add_executable(test_serial src/test_serial.cpp)
 target_link_libraries(test_serial serial)
-# rosbuild_add_executable(boosttest src/boosttest.cpp)
\ No newline at end of file
+
+# Check for OS X and if so disable kqueue support in asio
+IF(CMAKE_SYSTEM_NAME MATCHES Darwin)
+    add_definitions(-DBOOST_ASIO_DISABLE_KQUEUE)
+ENDIF(CMAKE_SYSTEM_NAME MATCHES Darwin)

serial/include/serial.h

@@ -40,6 +40,8 @@
 #include <sstream>
 #include <string>
 
+// #define BOOST_ASIO_DISABLE_KQUEUE
+
 #include <boost/asio.hpp>
 #include <boost/asio/serial_port.hpp>
 #include <boost/bind.hpp>

serial/src/test_serial.cpp

@@ -30,7 +30,7 @@ int main(int argc, char **argv)
     
     ros::NodeHandle n;
     
-    std::string port("/dev/ttyUSB0");
+    std::string port("/dev/tty.usbserial-A900cfJA");
     // std::string port("/dev/tty.usbmodemfa141");
     
     serial = new Serial(port, 9600, 250);