TRON Web has received many requests for information about a royalty-free, open source TRON operating system. Such an operating system system does exist; it is a µITRON4.0-specification real-time kernel called "TOPPERS/JSP," which stands for "Toyohashi OPen Platform for Embedded Real-time Systems/Just Standard Profile." The source code, which runs on MS Windows-based machines among others, can be downloaded from the following link.
The TOPPERS license agreement for the use of this real-time kernel is as follows:
|Full Text of the TOPPERS License|
(1) When this software is utilized in the form of source code, the above copyright declaration, these conditions of utilization, and the following stipulation of no guarantee shall be included in unchanged form inside the source code.
(2) When this software is redistributed in a form in which it can be used in the development of other software, library form, etc., the above copyright display, these terms of utilization, and the following stipulation of no guarantee shall be inserted in documentation accompanying redistribution (user's manual, etc.).
(3) When this software is redistributed in a form in which it cannot be used in the development of other software, embedded in devices, etc., one of the following conditions shall be satisfied.
(4) The above copyright holder and the TOPPERS Project shall be exempt from responsibility for whatever damages occur either directly or indirectly through the utilization of this software.
This software is something that is provided with no guarantee. The above copyright holder and the TOPPERS Project make no guarantee whatsoever in regard to this software, including the possibility of its application. In addition, the above copyright holder and the TOPPERS Project shall also not bear responsibility for whatever damages occur either directly or indirectly through the utilization of this software.
|Note: The TOPPERS License has been revised several times; what is shown above is the latest version that is to be applied to software made public hereafter.|
Please note that the above translation is not an "official or notarized" translation of the TOPPERS/JSP license. It has been loaded onto this page solely as a reference for TRON Web readers who are interested in downloading and using the TOPPERS/JSP kernel. For an official translation of the TOPPERS/JSP license and/or further information about it, please contact the TOPPERS/JSP Project headquarters at:
To notify the TOPPERS Project about implementations of TOPPERS/JSP, please contact: