I'm writing firmware for a BF526 based device that has to operate in very low power mode for extended periods of time. Prototypes typically sleep for ~30s, keeping code in SDRAM in self-refresh mode, wake for a few seconds to do the necessary processing, then return to sleep. With existing code we can restore operations in 60-100ms.

Is anyone aware of any techniques (hacks?) that would allow uClinux to be restored in similar time-frames? Or what reasonable time frames might be for uClinux?

Any help greatly appreciated.

Jerry.


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