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Ben Harris [Sat, 3 Nov 2018 14:25:04 +0000 (14:25 +0000)]
Start keeping track of what time we think the clock is displaying.
Ben Harris [Sat, 3 Nov 2018 11:57:55 +0000 (11:57 +0000)]
Call tzset() explicitly at startup.
It's required in portable code before invoking localtime_r().
Ben Harris [Sat, 3 Nov 2018 11:56:58 +0000 (11:56 +0000)]
Make the "pulse" have non-zero width.
Since I think most impulse clocks advance on the trailing edge of the
pulse, this requires subtracting the pulse width from the wake-up
time.
Ben Harris [Sat, 3 Nov 2018 11:44:05 +0000 (11:44 +0000)]
Minimal beginnings of an impulse clock driver.
Currently says "tick!" every 30 seconds.