Guenter Roeck wrote:
However, the pretimeout concept assumes that there are two timers
which can be set independently. As you had pointed out earlier,
and as the specification seems to confirm, that is not the case here.
As such, I don't really understand why and how the pretimeout / timeout
concept would add any value here and not just make things more
complicated than necessary. Maybe I am just missing something.
It might be possible to load a new value into the WOR register after the
WS0 interrupt occurs. That is, in the interrupt handler, we can do
something like this:
if (status & SBSA_GWDT_WCS_WS0)
// write new WOR value,
// then ping watchdog so that it's loaded
I'm not convinced that it's worth it, however. It would require
interrupts to still be working when WS0 times out, which somewhat
defeats the purpose of a watchdog.
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