Support and General Use > Hardware
Sansа Clip Zip - Improve battery life
Bryanhoop:
I just want to pop in and thank you guys for doing this work/testing. Really exciting stuff!
florin:
--- Quote from: saratoga on December 29, 2014, 02:52:58 PM ---Updated builds:
http://web.mit.edu/mgg6/www/rockbox-clipv2.7z
http://web.mit.edu/mgg6/www/rockbox-clipplus.7z
--- End quote ---
Running fine on an older Clip+ (end of 2009!). The only things I noticed:
1. pressing the submenu during playback seems to take a longer time to display the playlist (the button press is registered correctly, but after I depress the button it takes almost 2 seconds to display the playlist - ~2500 entries
2. accessing the Database (~1500 songs on the card) seems slower - I get to read the "Searching for..." text when entering letter C artists for example (~65 artists).
404_user_not_found:
--- Quote from: florin on January 08, 2015, 04:58:20 AM ---Running fine on an older Clip+ (end of 2009!). The only things I noticed:
1. pressing the submenu during playback seems to take a longer time to display the playlist (the button press is registered correctly, but after I depress the button it takes almost 2 seconds to display the playlist - ~2500 entries
2. accessing the Database (~1500 songs on the card) seems slower - I get to read the "Searching for..." text when entering letter C artists for example (~65 artists).
--- End quote ---
It's OK, in that case we need to rise voltage. The voltage settings for clip+ based from my runtime tests, where I listen music with file manager and low demand FLAC. I don't use a database and playlists. So each folder contains average 15 tracks, it's very easy for my player to handle that without a noticeable delay. But I didn't test a player with database and with big playlists.
I think that we need to implement a special setting in menu of rockbox where user can change a power consume preference:
1) Very low power consume. Good for playing music like file manager with low consume formats. Player uses a power optimization that enables frequency scaling and applies extremely lowered but stable voltages.
2) Balanced. For everyday use. Player uses a power optimization that enables frequency scaling and applies a balances values of lowered voltages.
3) High Performance. Good for very big database, playlists and for playing codecs with high power consume. Player don't uses any power optimizations.
sancher:
--- Quote from: 404_user_not_found on January 08, 2015, 05:51:47 AM ---
--- Quote from: florin on January 08, 2015, 04:58:20 AM ---Running fine on an older Clip+ (end of 2009!). The only things I noticed:
1. pressing the submenu during playback seems to take a longer time to display the playlist (the button press is registered correctly, but after I depress the button it takes almost 2 seconds to display the playlist - ~2500 entries
2. accessing the Database (~1500 songs on the card) seems slower - I get to read the "Searching for..." text when entering letter C artists for example (~65 artists).
--- End quote ---
It's OK, in that case we need to rise voltage. The voltage settings for clip+ based from my runtime tests, where I listen music with file manager and low demand FLAC. I don't use a database and playlists. So each folder contains average 15 tracks, it's very easy for my player to handle that without a noticeable delay. But I didn't test a player with database and with big playlists.
I think that we need to implement a special setting in menu of rockbox where user can change a power consume preference:
1) Very low power consume. Good for playing music like file manager with low consume formats. Player uses a power optimization that enables frequency scaling and applies extremely lowered but stable voltages.
2) Balanced. For everyday use. Player uses a power optimization that enables frequency scaling and applies a balances values of lowered voltages.
3) High Performance. Good for very big database, playlists and for playing codecs with high power consume. Player don't uses any power optimizations.
--- End quote ---
Great suggestion!
Mihail Zenkov:
--- Quote from: 404_user_not_found on January 08, 2015, 05:51:47 AM ---I think that we need to implement a special setting in menu of rockbox where user can change a power consume preference:
1) Very low power consume. Good for playing music like file manager with low consume formats. Player uses a power optimization that enables frequency scaling and applies extremely lowered but stable voltages.
2) Balanced. For everyday use. Player uses a power optimization that enables frequency scaling and applies a balances values of lowered voltages.
3) High Performance. Good for very big database, playlists and for playing codecs with high power consume. Player don't uses any power optimizations.
--- End quote ---
I think better add preference for boost cpu on button press. We already have GUI_BOOST, so we only need slightly rework it. In preference user be able to set timeout for this boosting (if 0 - no gui boost).
It much easy to implement than multiple frequency/voltages for each player and not need in so careful testing.
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