69 lines
2.5 KiB
Plaintext
69 lines
2.5 KiB
Plaintext
In general everything brings down to figure out:
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-ID
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-Position
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-Possible value range
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There seems to be two possible ways to figure that out.
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1) Use USB sniffer together with X-Edit
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Once you set up X-Edit and usb sniffer, set some option.
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USB sniffer should report something like this being sent to device:
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(all numbers here are hex)
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04 F0 00 00 04 10 00 5E 04 02 41 00 04 30 09 00 07 00 34 F7
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To get SysEx command out of it, remove every 4th byte, so we have:
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F0 00 00 10 00 5E 02 41 00 30 09 00 00 34 F7
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SysEx message format seems to be formed like this:
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magic bytes - F0 00 00 10 00 5E 02 41
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status byte - in this example 00
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ID - in this example 30 09
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Position - in this example 00
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Value - in this example 00 (can be more bytes long, see below)
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Checksum - to calculate it, XOR all bytes, and then XOR it with 07
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Every message ends with F7
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Status byte bits explained:
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7th - ???
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6th - if active add 80 to ID
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5th - ???
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4th - is active when value will start with length
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In such case value can be something like:
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01 12 or 02 12 34 or 03 12 34 56
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and proper values are:
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01 - 12
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02 - 1234
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03 - 123456
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3rd - when 4th bit is also active, and first value byte is 01
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then add 80 to value
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2nd - when 4th bit is also active, and first value byte is 02
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then add 80 to value
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1st - when 4th bit is also active, and first value byte is 03
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then add 80 to value
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So for above example:
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ID = 3009 (hex) = 12297 (decimal)
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Position = 0
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One of possible values is 0. Usually value range is 0 to 99,
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albeit in some cases it's different - you have to check what values can
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X-Edit assign (there doesn't seem to be any sanity check in firmware)
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This is especially needed for IDs that set some effect type.
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2) Save preset patch
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Patches seem to be simple XML files.
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Every parameter is written like this:
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<Param>
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<ID>65</ID>
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<Position>2</Position>
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<Value>0</Value>
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<Name>Pickup Enable</Name>
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<Text>Off</Text>
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</Param>
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ID is ID, Position is Position and Value is one of possible values.
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To get all possible values you can:
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do
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change value to next one possible in X-Edit
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(for example next effect type)
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save new patch
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check patch file and note the change
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while you don't have all possible values
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