On 06/09/2015 11:22 AM, Guenter Roeck wrote:
but I see your point. Essentially, the specification is broken for all practical purposes, since, as you point out, enabling the watchdog overwrites and explicitly sets WCV. Effectively this means that just using WCV to program the timeout period is not really possible. I am not really sure how to address this. We can either only use WOR, and forget about pretimeout, or we can enforce a minimum pretimeout. In the latter case, we'll have to write WCV after writing WOR.
In talking with our hardware engineers, using WCV to program the timeout period is not a valid operation. This is why I keep arguing against the pre-timeout feature, and I don't agree that servers should always use pre-timeout.
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