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authorrekado <rekado@elephly.net>2015-08-16 05:15:04 +0200
committerrekado <rekado@elephly.net>2015-08-17 22:56:02 +0200
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+(define meta
+ `((title . "Wavedrum")))
+
+(list
+ (h1 [Wavedrum])
+
+ (p [I wrote a ,(ref "/tags/wavedrum.html" "series of blog posts") in
+ which I document my efforts to understand and possibly manipulate
+ the firmware of Korg’s Wavedrum. The PCB is easily accessible
+ and exposes big connector pads as well as a microSD card—an
+ invitation to play with the hardware.])
+
+ (p [Although I’m perfectly content just playing with the hardware, I
+ do hope that my work will eventually allow me and others to
+ modify the data on the Wavedrum such that custom sounds and loops
+ (and possibly algorithms) can be used.])
+
+
+ (h2 [Current status])
+
+ (p [It is possible to load firmware from the microSD card by pressing
+ ,(em [Write]) and ,(em [1]) while powering on the Wavedrum,
+ followed by pressing ,(em [Write]) again (another undocumented
+ mode can be entered by pressing ,(em [Write]) and ,(em [Mode])
+ while powering on).])
+
+ (p [The Wavedrum unfortunately rejects any modified firmware. The
+ Oriental edition will not load the firmware of the Original/Black
+ edition, nor will it load the firmware of the Global edition. It
+ also won’t load any modified firmware (e.g. where the only
+ difference is that two bytes are swapped). I intend to figure
+ out how the Wavedrum validates the data on the SD card before
+ deciding to reject them.])
+
+
+ (h2 [Blog posts])
+
+ (ul
+ (li (ref "/posts/2013-08-11-hacking-the-wavedrum.html"
+ "Hacking the Wavedrum"))
+ (li (ref "/posts/2013-10-31-wavedrum-data-comparison.html"
+ "Firmware comparison between Wavedrums Original, Black and Oriental"))
+ (li (ref "/posts/2013-12-09-wavedrum-connectors.html"
+ "Connectors on the Wavedrum’s circuit board"))
+ (li (ref "/posts/2014-09-18-wavedrum-firmware-disassembler.html"
+ "Disassembling the Wavedrum firmware")))
+
+
+ (h2 [Software])
+
+ (dl
+ (dt (ref "http://git.elephly.net/wavedrum/wavedrum-lib.git"
+ "wavedrum-lib"))
+ (dd [Haskell library for parsing, editing, and writing Wavedrum programmes (presets).])
+
+ (dt (ref "http://git.elephly.net/wavedrum/sharc-disassembler.git"
+ "sharc-disassembler"))
+ (dd [Very rudimentary, partial disassembler for SHARC ADSP binaries
+ helping me to understand the Wavedrum’s bootloader.])))