tree 0cb7609e431bfc8d7de23e46a6afe164a779f31c
parent 878bd196fe858f85edbb1dd6a992998c37de343c
author Keir Mierle <keir@google.com> 1604700240 -0800
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1604711848 +0000

pw_sys_io: Add TryReadByte(byte* dest) function

This adds a non-blocking version of ReadByte() that enables writing, for
example, a superloop that combines custom processing simultaneously with
byte input handling for the RPC subsystem.

Change-Id: I9cb1e6ae8c944ca7cdff6d4bff101ac52e80b53a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/23980
Reviewed-by: Armando Montanez <amontanez@google.com>
Commit-Queue: Keir Mierle <keir@google.com>