C51: redistribution of Keil source files
Information in this knowledgebase article applies to:
I am user of Keil C51 Development tools. Part of this toolchain are several .c- and .h-source files that I have integrated into my project. The header of these sources says i.e.:
Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. All rights reserved.
However, is it allowed to redistribute these sources to my customers?
No, this is not allowed.
Refer to the file ...\C51\Hlp\license.rtf confirming:
END USER LICENCE AGREEMENT FOR ARM KEIL SOFTWARE DEVELOPMENT TOOLS ... (iv) REDISTRIBUTION AND CONDITIONS ON REDISTRIBUTION ARM herby grants to you, provided you comply with terms of this clause 1 (iv), additional non-exclusive, non-transferable licenses to permit either or both your customers and your authorised distributors to redistribute any or all of the Example Code and Tiny-RTOS, and any modifications you make thereto, only in object form and only as part of Software Applications developed by you or your pertmitted users (identified in clause 2 paragraph three “PERMITTED USERS” below). If you are authorised and choose to redistribute the whole or any part of the Target Libraries, Example Code, or Tiny-RTOS, you agree; (a) to ensure that they are licensed for use (1) only as part of Software Applications developed by you or your permitted users, and (2) except where the Software Applications are developed using only those compilers and libraries in the Software which do not target the ARM microprocessor architecture, only on microprocessors manufactured or simulated under licence from ARM; (b) not to use ARM’s or any of its licensors names, logos or trademarks to market Software Applications; (c) to include valid copyright notices on Software Applications, and preserve any copyright notices which are included with, or in, the Target Libraries, Example Code, and Tiny-RTOS; and (d) to ensure that any further redistribution of the Target Libraries, Example Code, or Tiny-RTOS is limited to redistribution by either or both your customers and your authorised distributors solely as part of Software Applications developed by you and your permitted users and that your customers and your authorised distributors comply with the terms of this Clause 1(iv). ...
Last Reviewed: Friday, September 29, 2017
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