Support and General Use > Hardware
Sansа Clip Zip - Improve battery life
Mihail Zenkov:
--- Quote from: saratoga on January 23, 2016, 05:51:27 PM ---Committed frequency scaling.
--- End quote ---
Great! We do that ;)
--- Quote from: saratoga on January 23, 2016, 05:51:27 PM --- Do we want to do boost next?
--- End quote ---
Yes, as it fix regression in responsiveness. Also it can help with quick identification of problems in boost.
--- Quote from: saratoga on January 23, 2016, 05:51:27 PM --- Its probably annoying to use the Fuze V2 without it.
Edit: Just realized its already enabled, but only for the scroll wheel.
--- End quote ---
It also read scroll wheel each 5ms. All other AMSv2 targets read buttons each 10ms.
johnb:
On the fuze v2 the USB connection seems more unstable (Win10):
Plugging in the device (which was completely off), it boots, shows my recent bookmark list, then displays the USB logo. It does not mount properly on the PC.
Unpluggin it, the logo stays, but it's not completely stuck: the clock display updates, remaing battery life is displays 222h 0m, screen timeout is active, I can even use the Hold key, but the USB logo stays.
I have not seen this, when booting the device before plugging into USB.
My first tests involved a USB hub, then I also tried directly with the USB socket on the PC. There a first try worked fine, on the second same behaviour as above.
Using the "long power off", I shows a "undefined instruction at 000003c" until if finally turns off.
Other than that, I had no problems so far.
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Doing the same thing with the clip+ it goes into bootloader usb mode, which I suppose is the expected behaviour. Is it normal that only the internal memory is mounted, but not the sdcard?
johnb:
While the rockbox-info.txt from Sartoga's 7z file states
Version: ad18fa3-160119
the System->Rockbox Info on the player shows
Version: ad18fa3-160118
Should I care?
saratoga:
--- Quote from: johnb on January 30, 2016, 11:15:04 AM ---On the fuze v2 the USB connection seems more unstable (Win10):
--- End quote ---
Could you clarify what you are testing and what you are comparing to?
johnb:
Hi saratoga,
I apologize for the wording, I actually have no proof that it's "MORE unstable".
I am using your "frequency scaling" build from this thread (ad18fa3-160119).
Before that I have been using various other "battery optimized" versions from this thread. Maybe 2 months ago I upgraded from Win7 to Win10. I just don't recall seeing this behavior over the last year or so, but maybe it is just that the fuze was usually turned on before I connected it, which is anyway not as regular as with my clip+ which I use for podcasts whereas the fuze has a rather stable collection on the sdcard.
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