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+===== Model-View-Controller =====
+The x0x c0ntr0l application employs the model-view-controller (MVC)
+paradigm for application design.  This three tier approach seperates
+the graphical user interface (the view) from the mechanics of the
+application such as the serial ports, data storage on disk and
+application logic (the model).  The controller is the interface
+between the object and the view.  Messages between the model and view
+must pass through the controller.  These messages must adhere to
+the specifications listed in this document.
+==== Model <-> Controller Interface ====
+=== The view can ask the model to: ===
+  * openSerialPort()  # Perhaps these happen automatically??
+  * closeSerialPort()
+  * selectSerialPort(PORT)
+  * writepattern(PATTERN, BANK, LOC)
+  * readPattern(BANK, LOC)
+  * backupAllPatterns(TOFILE)
+  * restoreAllPatterns(FROMFILE)
+  * sendRunStop()
+  * setCurrentBank(BANK)
+  * setCurrentLoc(LOC)
+  * setTempo(TEMPO)
+  * setSync(SYNC)
+=== The model can ask the view to: ===
+  * updateSerialStatus(STATE)
+  * updateSelectedSerialPort(PORT)
+  * updateSerialPortName(PORT,NAME)
+  * updateCurrentPattern(PATTERN)
+  * updateLoc(LOC)
+  * updateBank(BANK)
+  * updateTempo(TEMPO)
+  * updateSync(SYNC)

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