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Here is a patch by kugel and me which enables scrollwheel acceleration on e200v2: FS#10151. Maybe someone with an e200v2 can have a look at it.
I had the time to use test_codec before rockbox crashes, and decoding speed was significantly higher! (required freq for MP3 : 36MHz)
When declaring IRAM as cached/bufferable, rockbox sometimes boot, sometimes crash.When it boots I can decode/play (perfect sound) ~20s of audio before it crashes.
Do you flush the caches before/after DMA transfers to IRAM then?
Scroll wheel works properly in Space Rocks on the Fuze.-Pony
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