TODO.md

• try unlink ELF file before uploading - didn't work
• implement serialPoll
• try some motors
• add control.interrupt(ms, () => { ... sync function ... }) - running outside regular JS thread
• add //% whenUsed on global variable initializers in PXT
• fix @PXT@: handling for ELF in PXT
• parse Python field lists into offsets

Further down

• have some protocol for restarting user app if it's running (flag file somewhere?)
• display panic code on the screen
• catch SIGSEGV and panic