Support and General Use > Hardware
Sansа Clip Zip - Improve battery life
oid_maps:
--- Quote from: Mihail Zenkov on December 15, 2015, 06:19:22 AM ---Another patch with bigger delay:
--- End quote ---
Yes, that does the job, thanks.
Why are the delays important? Race conditions?
Does it make sense if I try to "tweak" the delays as low as possible, or is it negligible effect if the delay is a bit bigger than necessary?
Mihail Zenkov:
--- Quote from: oid_maps on December 24, 2015, 11:55:36 AM ---Yes, that does the job, thanks.
--- End quote ---
Thanks for report and testing :)
--- Quote from: oid_maps on December 24, 2015, 11:55:36 AM ---Why are the delays important? Race conditions?
--- End quote ---
Fuze v2 have hold and power button on same pin. We need some hack to detect hold state. This hack sensitive to delays.
--- Quote from: oid_maps on December 24, 2015, 11:55:36 AM ---Does it make sense if I try to "tweak" the delays as low as possible, or is it negligible effect if the delay is a bit bigger than necessary?
--- End quote ---
Yes, it will be good. When we check buttons state we disable irq. So better have this delays low as possible.
oid_maps:
--- Quote from: Mihail Zenkov on December 24, 2015, 02:23:12 PM ---
--- Quote from: oid_maps on December 24, 2015, 11:55:36 AM ---Does it make sense if I try to "tweak" the delays as low as possible, or is it negligible effect if the delay is a bit bigger than necessary?
--- End quote ---
Yes, it will be good. When we check buttons state we disable irq. So better have this delays low as possible.
--- End quote ---
There are two delays; the second one in your patches is half the time of the first one. How do the delays interact? Should I try arbitrary combinations of both (so it is a two-dimensional problem), should I keep the factor 2 (which makes it an one-dimensional problem), or should the second one be in some, but not strict, relationship to the first one?
Mihail Zenkov:
First, try find lower value for first delay. Then try same for second delay.
oid_maps:
When just changing the patch and compiling with changed values, everything "up to date" -- which binary to upgrade to the device? fuzpa.bin, or the .rockbox/-tree? (Currently, I copy both over to the device.)
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