Terms, Acknowledgments, and Licenses
Legal Note
This document contains information about licenses and terms of use. It is important to read and understand these terms before using any part of the project. Pay special attention to the Creative Commons license requirements.
IMPORTANT - Creative Commons Compliance
Stefan Wagner's work is the foundation of this project and is licensed under Creative Commons BY-SA 3.0. Any use, modification, or distribution of this project MUST comply with these license terms. Failure to comply may result in copyright infringement.
Disclaimer
The authors are not responsible for the misuse of the information contained in this project. Users are responsible for ensuring compliance with all applicable licenses.
Terms and Conditions
IMPORTANT: This project incorporates work from Stefan Wagner's CH552-DAPLink project, which is licensed under Creative Commons BY-SA 3.0. By using this project, you agree to comply with the Creative Commons Attribution-ShareAlike 3.0 license terms for all derivative work.
By using, modifying, or distributing the documentation, firmware, or hardware designs included in this repository, you agree to the following terms:
All materials are provided "as is," without any warranty of any kind.
The authors and contributors are not liable for any damages, data loss, or legal issues arising from the use of these materials.
Usage is intended for educational, development, prototyping, and other legal purposes.
When redistributing or reusing any part of this project, you must retain attribution and comply with the corresponding license terms of each component, especially the Creative Commons BY-SA 3.0 license for Stefan Wagner's contributions.
Any derivative work based on Stefan Wagner's CH552-DAPLink must be shared under the same Creative Commons BY-SA 3.0 license.
Acknowledgments and Contributors
This project is based on the work of several developers and open-source projects. Special recognition goes to Stefan Wagner, whose foundational work under Creative Commons licensing makes this project possible.
🏆 Primary Attribution - Stefan Wagner
- Author: Stefan Wagner
- Project: CH552-DAPLink
- License: Creative Commons BY-SA 3.0 ⚠️ MANDATORY COMPLIANCE
- Description: Original CMSIS-DAP firmware and hardware design for CH552
- Repository: wagiminator/CH552-DAPLink
- Note: This is the foundational work that enables this project. All derivative work must comply with CC BY-SA 3.0 terms.
Other Contributing Projects
Original CMSIS-DAP Implementation
- Author: Ralph Doncaster
- Source: nerdralph/ch554_sdcc
- Description: Original implementation of CMSIS-DAP firmware for CH554 (SDCC)
Arduino-Compatible Toolchain
- Author: Deqing Sun
- Source: CH55xduino
- Description: Arduino-compatible toolchain for CH552/CH554
USB-Blaster Firmware (CH552G)
- Author: Vladimir Duan
- Project: CH55x-USB-Blaster
- License: MIT
- Description: JTAG USB-Blaster emulation for CH55x
Blinkinlabs SDK
- Source: ch554_sdcc
- Description: SDK for CH552/CH554 (SDCC)
Compatibility Reference
- Author: Doug Brown
- Blog: Fixing a Knockoff Altera USB Blaster
- Description: Information on compatibility and firmware flashing
Hardware License
All hardware designs (schematics, layouts, and design files) in this repository are published under the MIT License, allowing unrestricted use, modification, and distribution, provided the original license and attribution are retained.
Resources and References
Source URLs Table
| Project / Tool | Source URL |
|---|---|
| CH552 DAPLink | wagiminator/CH552-DAPLink |
| picoDAP | wagiminator/CH552-picoDAP |
| CH55xDuino | DeqingSun/ch55xduino |
| CMSIS-DAP Handbook | https://os.mbed.com/handbook/CMSIS-DAP |
| CH55x USB-Blaster | VladimirDuan/CH55x-USB-Blaster |
| SDCC Compiler | https://sdcc.sourceforge.net/ |
| CH554 SDK | Blinkinlabs/ch554_sdcc |
Licenses
Stefan Wagner's Creative Commons License (Primary)
The core firmware and hardware designs from Stefan Wagner are licensed under:
Creative Commons Attribution-ShareAlike 3.0 Unported License
This means:
- ✅ You can use, modify, and distribute the work
- ✅ You can use it for commercial purposes
- ⚠️ You MUST provide attribution to Stefan Wagner
- ⚠️ You MUST share derivative work under the same license
- ⚠️ You MUST indicate if changes were made
Documentation and Visual Content
This user guide and its visual content are licensed under:
Creative Commons Attribution-ShareAlike 3.0 Unported License