Initial support for nxs2 players.

Thanks to captures and screen shots from @drummerclint and Markus
Krooked!

CHANGELOG.md

@@ -6,8 +6,16 @@ This change log follows the conventions of
 
 ## [Unreleased][unreleased]
 
+Nothing so far.
+
+## [0.1.5] - 2016-07-04
+
 ### Added
 
+- Initial support for nxs2 players, thanks to captures and screen
+ shots from @drummerclint and Markus Krooked. Existing fields seem to
+ work again, but we have not yet learned how to read any of the new
+ features that might be found in the larger status packets.
 - Discovered how to find rekordbox track IDs and database location
  information in the CDJ status packets.
 - Discovered how to ask a CDJ for track metadata given a database
@@ -81,7 +89,8 @@ This change log follows the conventions of
 - Intial early release.
 
 
-[unreleased]: https:/brunchboy/dysentery/compare/v0.1.4...HEAD
+[unreleased]: https:/brunchboy/dysentery/compare/v0.1.5...HEAD
+[0.1.5]: https:/brunchboy/dysentery/compare/v0.1.4...v0.1.5
 [0.1.4]: https:/brunchboy/dysentery/compare/v0.1.3...v0.1.4
 [0.1.3]: https:/brunchboy/dysentery/compare/v0.1.2...v0.1.3
 [0.1.2]: https:/brunchboy/dysentery/compare/v0.1.1...v0.1.2

doc/Analysis.tex

@@ -687,11 +687,13 @@ \subsection{CDJ Status Packets}
 \end{figure}
 
 Byte~139, labeled $P_2$ seems to be another play state indicator,
-having the value 122 when playing and 126 when stopped. When the CDJ
-is trying to play, but is being held in place by the DJ holding down
-on the jog wheel, $P_1$ considers it to be playing (value 3), while
-$P_2$ considers it to be stopped (value 126). Non-nexus players seem
-to use the value 106 when playing and 110 when stopped, so this may be
+having the value 122 ({\tt 0x7a}) when playing and 126 ({\tt 0x7e})
+when stopped. When the CDJ is trying to play, but is being held in
+place by the DJ holding down on the jog wheel, $P_1$ considers it to
+be playing (value 3), while $P_2$ considers it to be stopped (value
+126). Non-nexus players seem to use the value 106 ({\tt 0x6a}) when
+playing and 110 ({\tt 0x6e}) when stopped, while nxs2 players use the
+values 250 and 254 ({\tt 0xfa} and {\tt 0xfe}) so this seems to be
 another bit field like $F$.
 
 There are four different places where pitch information appears in

src/dysentery/view.clj

@@ -71,7 +71,7 @@
  (let [current-type (get packet 10)]
  (if (= current-type expected-type)
  (case expected-type
- 0x0a (correct-length? packet #{208 212})
+ 0x0a (correct-length? packet #{208 212 284})
  0x29 (correct-length? packet #{56})
  (timbre/warn "Received packet with unrecognized type:" current-type))
  (timbre/warn "Expecting packet of type" expected-type "but received type" current-type))))
@@ -236,10 +236,12 @@
  17 "Ended"
  "???")
  :p-2 (case (get packet 139)
- 106 "Play"
- 110 "Stop"
- 122 "nxs Play"
- 126 "nxs Stop"
+ 0x6a "Play"
+ 0x6e "Stop"
+ 0x7a "nxs Play"
+ 0x7e "nxs Stop"
+ 0xfa "nxs2 Play"
+ 0xfe "nxs2 Stop"
  "???")
  :p-3 (case (get packet 157)
  0 "No Track"