Rockbox Development > New Ports
Cowon D2
mbk1969:
Thank you for listing. I will dig in. I have a feeling that instead of muting unused outputs in audiohw_preinit() you can disable them - that will be more powersaveable.
I think I am ready to join the RB as developer... will see...
Can you build patched version with audiohw_set_lineout_vol() called somewhere in initialization stage? It can be tested without cable but with proper measure tools.
saratoga:
--- Quote from: mbk1969 on June 02, 2010, 03:55:30 AM ---Can you build patched version with audiohw_set_lineout_vol() called somewhere in initialization stage? It can be tested without cable but with proper measure tools.
--- End quote ---
If you've got a line out cable, maybe you should try it and see.
mbk1969:
ok, I`ll try
motorbit:
when i first used rb i hated it - meanwhile i dont use the of anymore.
bit thanks for all that work you had put in.
btw, im expecting a bug with rb:
i often have quite harsh crashes of the player when i plug it onto the usb cable. ill have to use the reset button than to reactivate it.
when i plug my switched of player onto the usb cable with hold engaged, my player will crash most of the time.
when i plug in my switched off player onto the cable with hold disengaged, my player will crash rarely.
when i plug in my switched on player onto the cable it will never crash no mater if rb is launched or the of.
so, its not a big issue, albeit i often forget to switch off hold, its not a big thing to press the reset button. just wondering if anybody else expiriences this issue. my player is a 16 gig d2+ btw - on of the first d2+ that still do have the old powermanagement chips.
buk:
--- Quote from: saratoga on May 08, 2010, 10:26:45 PM ---
--- Quote from: longfeng328 on May 08, 2010, 10:16:30 PM ---so could anybody tell me which files of the sources' code should be concerned?
--- End quote ---
Check out:
/firmware/target/arm/usb-tcc.c
and
/firmware/target/arm/tcc780x/*
Also, /firmware/SOURCES lists most of the D2 specific files if you search it for "D2".
--- End quote ---
I made a patch regarding USB a while ago (FS#9917).
As said even with those changes USB was unstable. Btw the patch correct a bug in usb_drv_send_nonblocking.
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