"I think their docs show how to..." <- i managed to get something running, and got "HardFault handler. Cause: Escalated UsageFault (Instruction executed with invalid EPSR.T or EPSR.IT field)." (Unknown Source:0) _sbrk (/rust/deps/compiler_builtins-0.1.103/src/macros.rs:373) (/home/ai/jenkins/workspace/sw-main/rss/a1/a121/integration/acc_rss_integration.c:158)