Rockbox Development > New Ports
Cowon D2
shotofadds:
@grep,
I think that's the right approach. Getting a manual of any description to build first is definitely a good step! We can add a touchscreen description later once we know exactly how it's going to work. Once you get something that builds, do post it on Flyspray so that others can contribute.
As far as the hardware keys go, it's unfortunately not as straightforward as it should be:
The POWER key should generally be seen as 'back' or 'cancel'. This should apply to all menus/settings/plugins. However there are a few exceptions currently....
In the main menu I'd like to use POWER to go back to the WPS (ie. effectivley 'cancel' the menu), but I'm not quite sure how to achieve that.
Plugins are a bit more complicated since there are effectively three types and each has been implemented differently:
- simple plugins that don't use a menu (eg. demos). POWER is always 'exit'.
- 'application' style plugins that are effectively an extension of the menu system (eg. disktidy) . POWER is 'back' as usual, and going 'back' from the plugin's main menu exits the plugin.
- 'game' style plugins (eg. blackjack, brickmania), where POWER does nothing at all in the menu! Certain others like the JPEG viewer suffer from this as well, which is a rather nasty and inconsistent UI. I think we should look at fixing these...
@helloworld1, thanks for the report. That's about what I expected, so there's plenty of work still to do! Also, did you try an SD card?
helloworld1:
I used the rockbox on my 16G SD card. It is working fine and I can play music on the card(no sound). The file browser called the internal flash microsd1. and the root is the sd card.
The battery driver is a problem, the battery is empty in default and the rockbox will turn off after a while because of the empty battery.
shotofadds:
Ok, I will add a section to the wiki to say that battery monitoring, DAC power and the touchscreen all need to be updated for the new power management chip.
I'd guess the FM radio won't work either, can you check if it says "HW detected: yes" in System > Debug > FM Radio ?
helloworld1:
The fm Hw detected is YES, everything else is 0.
The battery voltage is 3.925V at first, after a while it will jump to 0v.
grantmasterflash:
A few pages back (while using r22286) I posted about receiving 9 duplicate entries in the database for each music file on my 16gb SDHC card only. It seemed to only start once I had filled the card with files until there wasn't much space left (~250mb free). After trying to get to the bottom of what was causing the issue and failing, I eventually reformatted the SDHC card and the problem stopped occurring. However, I did not fill the card close to capacity immediately after the reformat. I've been slowly adding tracks from my collection over time.
This has started happening again. I noticed it first yesterday after upgrading to r22843 and adding more files to the SDHC card so that only 136.8mb were free (14.8gb used). Again, the dupes only appear for tracks that are on the SDHC card; tracks on the D2 internal memory are not duplicated. This time, the tracks are duplicated 4-5 times (some tracks appear 4 times, some 5 times).
I started deleting files gradually from the SDHC card to see if this would resolve the problem. Each time, I also deleted the .tcd files from .rockbox and reinitialized the db. After several iterations of this, I now have 1.8 GB of free space on the SDHC card, but still I'm experiencing the dupe db entries problem.
During the initialization of the db, I watch the "Building database" message. Despite the fact that there are slightly less than 2000 tracks on both the int memory and SDHC, the # of files found in the "Building database" message will go all the way to around 10000 before stopping and informing me of the need to reboot.
The only bug I can find that is similar is FS#8414, although it doesn't appear that it was ever determined exactly what caused the problem. People there reported resolving it by toggling Directory cache, load db to ram, and auto update, but I've tried these to no avail. Of course, that bug was reported on an iPod and may not be a good reference point for this problem on a D2, due to the use of an SD card to run Rockbox and save settings.
I defragmented the SDHC card, but it did not resolve the dupe problem.
Anyone else experiencing this with Rockbox on the D2?
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