Yup - I went and found the Reddit post (thank you for the publicity), would have replied but I'm not a Reddit user (and not sure I wish to be!) Their target system for the first satellite (cubesatlab.org/BasicLEO.jsp) was a TI MSP430, which is a 16-bit CPU, with 16k+ RAM. Later work used larger devices.
Also their toolchain was interesting: since there is no native Ada/Spark compiler for MSP430 they transpiled to C... underpinned by ~2k lines of driver code in C.
We have ~10k lines of C (including comments) in the latest build for JY1SAT.
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Yup - I went and found the Reddit post (thank you for the publicity), would have replied but I'm not a Reddit user (and not sure I wish to be!) Their target system for the first satellite (cubesatlab.org/BasicLEO.jsp) was a TI MSP430, which is a 16-bit CPU, with 16k+ RAM. Later work used larger devices.
Also their toolchain was interesting: since there is no native Ada/Spark compiler for MSP430 they transpiled to C... underpinned by ~2k lines of driver code in C.
We have ~10k lines of C (including comments) in the latest build for JY1SAT.