SanDisk Sansa c200v2, m200v4, clipv1, clipv2, clip+, and fuzev2

[notlistening]

Hi,

Not sure how many hardware secrets still exist with the e200 but i have a busted e280v2 that needs a new screen. I am registered blind and have no chance of being able to feel my way to replacing a new LCD. any takers? I am happy to post the unit.

Currently the player turns on to give a nice white background on the screen with a big black smash mark the blue lights of the scroll wheel for about 10-15 secs then dies. I am from England but am happy to post most places.

[kugel.]

Seems that I broke the e200v2's LCD driver. Can someone please test, if http://pastie.org/394710 makes it work again?

[FlynDice]

Kugel, sorry to run off on you in the middle of that but sometimes 6th grade math just can't wait !  I tried 394710 and got basically the same results.  Let me try to describe them here.

When I turn the player on it boots up with the cabbie backdrop visible but no menus.  Scrollwheel, |<<, >>|, and menu(bottom) button give no response.  >|| (play) button however will take me right into the wps screen and music starts playing.  Scrollwheel now works along with |<< & >>| but the menu button does not.

EDIT: http://pastie.org/394841

In lcd_update_rect if I move the lcd_write_cmd(R_WRITE_DATA_2_GRAM); after the lcd_window calls I get a menu on bootup but it is skewed diagonally.   In lcd_update I also changed the 2nd lcd_window_x to lcd_window_y.

[kugel.]

Ok, can someone try this then? http://pastie.org/395034

[Hillshum]

I'm not in a position to compile right now, but on a different matter, how do I go about determining the data needed to enable charging in the e200?

[saratoga]

The battery and charger on the V2 are the same as the V1.  I don't think we need to determine anything else.  The old settings should be fine.

[sko]

Ok, can someone try this then? http://pastie.org/395034

I tried it... see the attachment for the result, it seems that every pixel-row is shifted left by one pixel, but it is fine if messages are displayed (e. g. the message "screendump enabled" if I enable it). Sorry for the bad picture, screendump bitmaps are useless because they look fine.

EDIT: bootscreen looks also fine.

EDIT2: with r20064 it's fine again, no shifted pixel.

[Hillshum]

The battery and charger on the V2 are the same as the V1.  I don't think we need to determine anything else.  The old settings should be fine.

So should I post a patch with it enabled or will someone who knows more than me simply commit it? If the former where should I look in the source tree?

[sko]

Uhm... it seems that sound playback is not working at all on e200v2 on r20064. Even ogg-files. Can somebody confirm this?

[kugel.]

Uhm... it seems that sound playback is not working at all on e200v2 on r20064. Even ogg-files. Can somebody confirm this?

FlynDice just told me that it's working even better than before my lcd work.

[sko]

Ok, I'll format my player and put a clean new rb-build on it and try it again.

EDIT: you're right, it works, sorry and FlynDice is right, it's working better now! No more stutters if I navigate through menus while listen to music, good work!

[kugel.]

Can people please look at http://www.rockbox.org/tracker/task/9933 ? Thanks

[sko]

Can people please look at http://www.rockbox.org/tracker/task/9933 ? Thanks

Sorry, but the patch is not working:

Code: [Select]

patching file firmware/SOURCES
patching file firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c
Hunk #3 FAILED at 125.
Hunk #4 FAILED at 184.
Hunk #5 FAILED at 283.
3 out of 5 hunks FAILED -- saving rejects to file firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c.rej
patching file firmware/target/arm/as3525/sansa-e200v2/button-target.h
patching file firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c
Reversed (or previously applied) patch detected!  Assume -R? [n]

My working copy is at r20060 as yours.

[kugel.]

Meh, I didn't think you'd really look at the revision of the patch :/

My tree was at r20060, but contains the e200v2 lcd fixes, so it was actually at r20063.
Anyway, I uploaded a proper diff against r20067.

Please comment on the scrollwheel. I changed how it's read to be like the fuze.

[sko]

Well, display works, but the scrollwheel scrolls in the wrong direction some time, but just two or three items, then it scrolls in the right direction again.