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Messages - Deve Loper

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General 2box Drumit 5 forum / Re: Erase hidden files, solution...
« on: January 11, 2010, 03:20:26 PM »

Please note, if files are deleted on the DrumIt Five by means of the Mac Finder, you have to empty the Trash to free up the space.

The fact that Mac writes ._ files seems difficult to avoid (Mac just needs to be a bit different than anything else, which is not the same as better...). However, they do not take much space and even when selected as drum sound, they'll just be silent. In the next OS version, I'll just ignore these files.

(This is for freaky users who like Unix stuff.)
If the earlier suggested way to show invisible files doesn't work, you can use the Terminal program to navigate with the cd command to the DrumIt Five drive.
(Note: these path arguments might be different on your Mac.)
cd /
cd volumes
cd "drumit five" (quotes needed)

Then you can type
ls -la
and see all files, incl the ._ ones.

rm -r ._*
to remove them.


Setup guides and tips / Re: Hihat Fader settings!
« on: January 10, 2010, 02:16:29 PM »
Since OS 0.36 there's been some page changes.
CONF is now NODE, where mix group assignment, audio out and MIDI is set up for each channel independently.
TEST and PADS is gone, these were for in-house test only.

I posted a block diagram here which shows the relation between pages and their function in the signal flow.,220.msg2293.html#msg2293


General 2box Drumit 5 forum / Re: Erase hidden files ?
« on: January 07, 2010, 10:28:10 AM »
There's a ".metadata_never_index" file in the root folder of DrumIt.
It is supposed to suppress indexing from Mac Spotlight.
One can leave it there.

Other files with ._ can be removed, incl their folders.


General 2box Drumit 5 forum / Re: Erase hidden files ?
« on: January 07, 2010, 09:43:26 AM »
Two more things.

1st, make sure you have boot 1.30 before doing ANY file copying to DrumIt.

It is advised to run a disk check too. Either by means of selecting Properties:Tools:Check Now on the DrumIt drive, or by running "chkdsk  /f  <drive>:" from a command prompt. For Mac there's probably something similar.

2nd, if you see a strange message when the OS starts like
(meaning a FAT with 512 byte sector and 4 kbyte cluster is detected),
you have a Flash drive with the wrong formatting.
Even though this is technically a correct drive format, for the purpose of playing sound files in DrumIt, it's not appropriate (sounds might distort). Unfortunately this might have happened on some units of the first batch.

If you succeeded in updating to boot 1.30 and the you have wrong drive format, you can reformat the drive to FAT32, 32 kbyte cluster and copy back all sound files. If anything fails, contact your distributor.


General 2box Drumit 5 forum / Re: Erase hidden files ?
« on: January 07, 2010, 09:04:07 AM »

Mac OSX seems (sometimes?) to copy ._filename to the DrumIt drive. Why, I don't know.
Any file having the .dsnd extension will show up on the KIT-DRUM page under Drum, and any file with .wav will show up on the KIT-SONG page under Song.

The validity of the file (correct format and header) is checked when it is selected under Drum or Song. If it's not compatible, the sound or song is not loaded and there will just be silence. Doing this format check for all files at start-up would take too much time, so that's why they appear in the list anyway.

Here's a link on how to see hidden files, so you can remove them.

Currently there's a limit of 256 files in the file list (.dsnd + .wav).
Each can be max 47 chars long, excl the .dsnd or .wav extension.
So if there's a ._ file for every normal file, some files might not make it in the list.

Also, there can be max 64 folders (incl root folder "/"), even if they are empty.
The complete folder path, like "/folder_1/.../folder_n/", can not be more than 63 chars.

I'll increase those limits in the next OS release.


General 2box Drumit 5 forum / Re: From Deve Loper
« on: December 26, 2009, 11:20:30 AM »

The boot updater is a quick hack, as it was never supposed to exist :-)
It's a waste of time for me to put more work on it, it does exactly what it should do as it is. For those of you with Mac or 64 bit Windows, I'm sure you can find somebody with a 32 bit Windows version somewhere (a netbook will do fine). It needs only to be done once, after that Mac, Win, Linux whatever will work to transfer files over USB.

The editor is being worked on by a consultant firm. The first version (due out beginning next year) will have the kit editor (drag and drop sound files on drum pad icons). It looks quite cool actually...
The second version will have a sound editor to make your own sounds. This will take some more time I'm afraid. Particularly since I need to implement a lossless sound compression scheme, both the encoding part in the editor and the decoding part in DrumIt, to make space for more sounds and to make downloading quicker (compared to the same sound uncompressed).



General 2box Drumit 5 forum / From Deve Loper
« on: December 25, 2009, 12:42:03 PM »
Hello all forum people.

Now things are finally moving forward, I thought it was time to say hello. It's been a long time coming, but I hope you all enjoy (or will enjoy) our DrumIt Five drum system. I'm sure my colleague (who is currently on a well deserved holiday) would agree.

We started this project (my colleague doing the business side and drum hardware and myself doing the electronics and software) to make a very competitive drum system with a new look and feel plus a drum module with a unique open sound architecture. Although there have been many hurdles on the way (and it took longer than anticipated), I hope you all appreciate the result. I've followed the posts on the forum ever since the first release this summer and I'd like to give you some background on some issues.

Due to certain circumstances, we had to ship the first batch with OS 0.36. This was actually a pre-release version. Also, boot code 1.10 had known problems writing files over USB, which I after many weeks traced down to a processor flag not being updated correctly (yes, processors ain't perfect either). Anyway, in boot 1.30 and OS 1.02 this is all fixed. So for those of you who own a DrumIt with boot 1.10, please update to boot 1.30 before writing any new files to the unit (see To make sure the file system is correct, run a disk check as well. After that, it's safe to update the OS and download new sounds.

I've seen the wish list and most of the (software) stuff is on my list too! However, I'm only human and need some time off as well. But be assured, OS 1.02 is just the beginning. Since the OS update is so easy, I'll try to make new versions available as frequently as possible.

There are many more issues I could comment on, but I think Scottie has done a real good job here already. I'm in contact with him regularly about things popping up, so you will get an answer by means of the forum.

Also a big thanks to our distributors.

Best wishes to you all.

Deve Loper

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