This year, as part of Google Summer of Code we had the pleasure of working with Nikitas Chronas. Alongside his degree studies, Nikitas had become involved with the Libre Space Foundation and developed a strong interest in the possibility of open source hardware in CubeSats. Fault tolerance of some sort is important for harsh environments, and Nikitas worked to add fault tolerance through the implementation of core lockstep for the PULPino-based minion core subsystem. This was a really successful project which ended up making contributions in areas beyond the core lockstep focus: documentation, code quality, support for the Arty FPGA development board, and even prototyping a code generation mechanism. See the detailed write-up for all the details, and below for the all-important blinky lights demo.
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lowRISC is a not-for-profit company using collaborative engineering to develop and maintain open source silicon designs and tools, through a unique combination of skills, expertise and vision.
We provide a home for multi-partner projects that deliver verified, high quality IP and tools, which provide the solid foundations that are necessary for the rapid development cycles required for next generation silicon products. lowRISC employs an engineering team in Cambridge, UK, working on our own developments, partner projects, and work-for-hire that is aligned with our mission.