Rockbox Development > New Ports
SanDisk Sansa c200v2, m200v4, clipv1, clipv2, clip+, and fuzev2
funman:
flyndice have you tried reading the extended status register ?
it should be acmd13, then read the status on data line (using DMA)
FlynDice:
I tried reading that with your patch that used DMA and have not been able to get that to work yet.
I still can't get the cards to operate without the bypass bit set.
I can set high speed timing with no problem. In fact, changing to highspeed timings allowed me to copy a single file from the internal to the uSD card without the delay I added recently, but any copy with a directory involved would fail.
I have partial operation on both cards with 4 bit widebus. I can browse files and display album art but cannot play music off of a card in widebus mode. It seems that the transfer never stops. In View I/O ports you can see the sd card transfering data on the GPIOD display. The 4 lsb's are the 4 data bit pins.
I have added a few things to the dma driver and now have normal playback without changing the AHB priority with CCU_SCON = 1 in system-as3525. I have this line commented out and my player is playing normally.
I have been spending today trying to understand wakeup's and dma_callback today without much luck so far but I haven't spent a whole lot of time on this yet.
I'll post some patches later tonight or maybe tomorrow, I've got 170 people waiting for me to take them to San Francisco in 20 mins.....
EDIT: @ku-ku: I changed the delay to a check for FIFO activity which should handle your large number of folders. Would you test and let us know?
ku-ku:
I could replicate the error trying to delete some folders before r22850 patch was committed. With r22850 patch I have no errors at all. It seems it works perfectly now.
epithetless:
Just so I can get a wider perspective on the issue: Are other Fuze owners seeing sporadic LCD glitches, where the entire screen distorts for a split-second and then returns to normal? I've noticed this ever since I began using Rockbox on my Fuze in early July, and it has persisted up through the most recent builds (I'm on r22850 at the moment). I find it happening most after I've just returned to the WPS from the file browser, or shortly following an unlock of the hold switch -- both with music playing -- but I haven't found a reliable way of prompting it. Is this behavior isolated to my device or is it just some of the Fuze's "unstable" status showing through?
saratoga:
Its really easy to see in mpegplayer on my Fuze.
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