make this work with different samplepad versions

[LesserChance]

Looks like there are slight differences to the file format between samplerack and samplepad pro

[davenice]

Hey @LesserChance - I created a kit for a samplepad pro and loaded it onto my device running the 1.0.19 firmware.

The kit appeared as kit number 11, but I get the message "KIT FILE DATA ERROR".

So then I edited the kit on the device to make it a mix of internal/card samples and saved it again, as far as I can tell this is the kit, zipped up: ABC1.zip

Does this help?

[davenice]

If it would be helpful I could be a bit more structured with how I setup the kit on the card to make decoding easier.

I haven't fully understood kitFile.js yet, but the file structure of my kit file does at least look fairly similar to what you've got laid out in your hex template blocks- perhaps it will be as simple as having slightly different template blocks for the samplepad pro.

[LesserChance]

Nice, thanks @davenice. If possible, it'd be great to also get the kit file that had the data error so I can compare it to the functioning one you linked above.

[davenice]

I haven't looked at this myself yet, but I did the following:

• Used SamplePad Editor to create a kit called Test1 where every main pad was 1980Clap2.wav

• Saved the kit and took a copy from the SD card: Test1-dataerror.zip

• Loaded the kit onto the SamplePad Pro

• It showed as a data error and all of the kit data seemed to have been retained from one of my other kits (so I don't think it loaded other than the name!)

• I then set all of the pads to 1980Clap2.wav from the device itself, saved the kit back to SD and then took a copy: TEST1-fixedondevice.zip

I think this will be a bit more confusing because my kit will have had different settings for sensitivity etc - perhaps I need to think of a way to reset them back to normal to enable an easier comparison.

[LesserChance]

Nice, thanks for the repro steps. I think the files you have here are enough to give me some leads.

[brettdh]

@LesserChance if you have any info you could share on anything you've discovered about the differences, I'd be happy to help as well; just don't want to repeat work you've already done 🙂

[LesserChance]

Hello! I just got a question about this through email as well, so I'll share my response which has some detail. The newest version technically should be working based on the provided data above, but I cannot test. Here are the details on the file structure as I currently understand it:

The main file that you can reference for the file structure is const.js. There's a var called KitBuffer which maps the memory locations in the kit file based on the device type. Each pad just has two defined blocks of data at a specific memory location (see PAD_MEMORY_BLOCK_LOCATIONS) in the file, those blocks are in a defined format which is detailed in PAD_PARAM_MEMORY_LOCATION. So, for instance, if you want to find the value for the samplerack kick level parameter in the file it'd start at memory location 0x0F87 (0x0F80 [samplerack kick, block 1] + 0x07 [block 1, "location"])

It's definitely a different file between devices, as it looks like the SampleRack can handle a few more pads. The kitFile class is responsible for reading and writing the files, and you can see how it handles different types of files based on the device type.