[riot-notifications] [RIOT-OS/RIOT] tests/periph_rtt: add Python script for automatic testing + use 5s delay between Hellos (#10893)

Alexandre Abadie notifications at github.com
Wed Jan 30 12:32:47 CET 2019

> I just realized that all printf() and the README indicate wakeups in seconds although the RTT works in ticks, right?

There is conversion using the RTT_FREQUENCY to get ticks from seconds.

> Do you have any idea about the precision of timeout? One second tolerance to 5 seconds delay seems to be a lot

That's what I was mentioning in the initial comment, RTT precision should be tested in the application code IMHO. Others could disagree.
Here the test is basically testing the RTT doesn't block or the application doesn't crash/hang.

> period+1 does not cover clocks that are faster

I know and this could be fixed easily. I'll push an update.

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