What you learn today
- Quiz on protocols, memory and watchdog
This week chips learned to talk to each other. For review:
- Protocol: a message from number, id and value, packed into one number. The receiver executes each number once and acknowledges it. The sender waits for the acknowledgement.
- Shared memory:
getandputon a housing's stack. Every slot has one writer. Values that belong together are written with a lock: enter, check next tick, write, release. - Leader and followers: commands into the
Settingof the follower housings, results back through their own logic memories. The leader sees the whole picture. - Watchdog: a pulse has to change. Patience matching the monitored chip,
snanagainst a missing memory, take over emergency mode. - Remote control: a passive logic transmitter without a link or power is not readable,
landlbnhalt then. Hence the receiver on a pin withbdnvl, commands with a number, a timeout and a safe state, feedback on a separate path.
You pass from 60 %.
Weekly quiz
10 questions. You pass from 60 % – the server does the grading.
Complete the day
- Passed the quiz with at least 60 %
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