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Latest commit 530a103 Sep 3, 2014 Ed Chejlava Merge branch 'develop'
* develop:
  Improve boot reliability on qemux86.

Open-webOS-DCO-1.0-Signed-off-by: Ed Chejlava <>



Utility to communicate with a target device over USB or TCP/IP


novacom and novacomd provide a generic toolset to allow communication between a host and an embedded device using sockets over USB. If there is a TCP/IP network connection between the two, it can be used instead.

How to build


Below are the tools and libraries (and their minimum versions) required to build novacomd:

  • cmake (version required by openwebos/cmake-modules-webos)
  • gcc 4.6.3
  • glib-2.0 2.32.1
  • libusb 1.0.0 (needed only for the host build)
  • openwebos/cmake-modules-webos 1.0.0 RC4
  • openwebos/nyx-lib 3.0.0 RC1 (needed only for non-host builds)
  • pkg-config 0.26


Once you have downloaded the source, enter the following to build it (after changing into the directory under which it was downloaded):

$ mkdir BUILD
$ cd BUILD
$ cmake ..
$ make
$ sudo make install

The directory under which the files are installed defaults to /usr/local/webos. You can install them elsewhere by supplying a value for WEBOS_INSTALL_ROOT when invoking cmake. For example:

$ cmake -D WEBOS_INSTALL_ROOT:PATH=$HOME/projects/openwebos ..
$ make
$ make install

will install the files in subdirectories of $HOME/projects/openwebos.

Specifying WEBOS_INSTALL_ROOT also causes pkg-config to look in that tree first before searching the standard locations. You can specify additional directories to be searched prior to this one by setting the PKG_CONFIG_PATH environment variable.

If not specified, WEBOS_INSTALL_ROOT defaults to /usr/local/webos.

To build the version of novacomd suitable for running on the host system (for use in communicating with a device), define WEBOS_TARGET_MACHINE_IMPL as host: $ cmake -D WEBOS_TARGET_MACHINE_IMPL:STRING=host ..

Note that this generates a Makefile that installs the files in the same locations as the non-host build.

To configure for a debug build, enter:


To see a list of the make targets that cmake has generated, enter:

$ make help


From the directory where you originally ran make install, enter:

$ [sudo] make uninstall

You will need to use sudo if you did not specify WEBOS_INSTALL_ROOT.

Copyright and License Information

Unless otherwise specified, all content, including all source code files and documentation files in this repository are:

Copyright (c) 2008-2013 LG Electronics, Inc.

Unless otherwise specified or set forth in the NOTICE file, all content, including all source code files and documentation files in this repository are: Licensed under the Apache License, Version 2.0 (the "License"); you may not use this content except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.