JohnS Guru
 Joined: 18/11/2011 Location: United KingdomPosts: 4332 |
| Posted: 09:33am 02 May 2026 |
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I don't see it as tricky, particularly as there's a detailed writeup with examples.
However, what is needed in C and why? Mostly the CPU is doing not much (waiting for I/O or a timer).
(This would be somewhat less true if PIOs didn't exist.)
John |