STM32CubeMX でジェネレートされるコードは MCD-ST Liberty SW License Agreement V2 というライセンスになっています。これはコード上で以下にリンクしています。

http://www.st.com/software_license_agreement_liberty_v2

Copyright � 2015 STMicroelectronics International N.V.. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted, provided that the following conditions are met:

1. Redistribution of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of STMicroelectronics nor the names of other contributors to this software may be used to endorse or promote products derived from this software without specific written permission.
4. This software, including modifications and/or derivative works of this software, must execute solely and exclusively on microcontroller or microprocessor devices manufactured by or for STMicroelectronics.
5. Redistribution and use of this software other than as permitted under this license is void and will automatically terminate your rights under this license.


THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  • 1はライセンス表示をそのまま残せといってるやつです
  • 2はバイナリ配布する場合もライセンス表示をどこかに表示しろという話です
  • 3はライセンス表示の名前について商標とかを気にしなくてよいという話だと思います
  • 4はこのソースコード及び派生物についてはSTマイクロのハードウェアだけで動かせということです
  • 5は許可外のことをすると権利失効しますという話です

大文字の部分は免責事項です。

基本的にSTMのデバイスで使う限りは広い使用が認められているように見えます。が、ハードを制限しているのでちゃんとフリーとはいえなそうです。

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  3. MCD-ST Liberty SW License Agreement V2 はフリーなライセンスか?
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