68 lines
2.9 KiB
Plaintext
68 lines
2.9 KiB
Plaintext
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ljacklm: Linux (kernel 2.6+) and Mac OS X high-level LabJack U12 library and
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C/C++ examples
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03/09/2017
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support@labjack.com
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This package contains the libljacklm high-level library for the U12 and examples
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written in C. The examples demonstrate libljacklm library usage. The library
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is a port of the ljackuw high-level Windows driver, and uses the Exodriver for
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low-level USB communications. The functions are documented in section 4 of the
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U12 User's Guide and in the ljacklm.h header.
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Refer to the INSTALL file for library requirements, build and installation
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instructions.
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Function execution times are comparable to one ones documented in section 4.x in
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the U12 User's Guide.
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Note to Mac OS X users:
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The libusb_get_device_list libusb call tends to be slow, causing 900+ ms
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overhead when a device needs to be found and opened over USB. This overhead
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will be seen in your program's first libljacklm function call that communicates
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with a U12. Subsequent function calls to the U12 in the program will be the
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standard 20 ms execution time unless an error occurs.
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Contents of this package:
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The libljacklm directory contains the following:
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* The libljacklm library source and header files, ljacklm.c and
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ljacklm.h, and the Makefile for Linux and Mac OS X.
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The examples directory contains the following:
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* This directory contains U12 code examples written in C. The examples use
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the ljacklm header file installed in the /usr/local/include directory and
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the ljacklm library installed in the /usr/local/lib directory. The
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applications created from the code run in a terminal.
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The INSTALL file provides requirements and installation instructions for the
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liblabjackusb library, along with instructions on building the examples.
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LICENSE
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All ljacklm library and example source code are licensed under MIT X11.
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Copyright (c) 2011 LabJack Corporation <support@labjack.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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