Differences

This shows you the differences between two versions of the page.

--- hgk:sysex [2015/11/07 14:59] – created michfiel
+++ hgk:sysex [2015/11/17 12:36] (current) – removed michfiel
@@ Line 1: / Line 1: @@
-==== Multimode ====
-In addition to the outdated sysex documentation, at least in firmware 1.15, a protocol for the multimode is implemented
-^ Label ^ Value ^ Description   ^
-| MULR  | 01h   | Multi Request |
-| MULD  | 11h   | Multi Dump    |
-==== User Wavetables ====
-^ Label ^ Value ^ Description    ^
-| WTBD  | 12h   | Wavetable Dump |
-A wavetable dump is used to transfer wavetable data to the Blofeld. Each wavetable is transferred as 64 consecutive wave dumps.
-^ WT ^ WN     ^ Location                  ^
-| 50 | 00..3F | Wavetable 80, Wave 1..64  |
-| 76 | 00..3F | Wavetable 118, Wave 1..64 |
-==== Sample Code ====
-Convert a 21 bit signed integer (provided in three 7-bit characters) into a 32 bit signed integer
-http://stackoverflow.com/questions/11704309/how-to-build-a-negative-32-bit-integer-from-bytes-without-a-range-check-error
-            uint32 sample =
-            (sysex[kWavetableDataOffset + index * 3 + 0] << 14) |
-            (sysex[kWavetableDataOffset + index * 3 + 1] << 7) |
-            (sysex[kWavetableDataOffset + index * 3 + 2] << 0);
-            if (sample &  0x00100000) {
-                sample |= 0xfff00000;
-            }
-            curWavetable.data[wave][index] = (int)sample;