Rename FluxReader and FluxWriter to FluxSource and FluxSink.

lib/fluxsink/hardwarefluxsink.cc

@@ -0,0 +1,46 @@
+#include "globals.h"
+#include "flags.h"
+#include "fluxmap.h"
+#include "usb.h"
+#include "fluxsink.h"
+
+static bool high_density = false;
+
+void setHardwareFluxSinkDensity(bool high_density)
+{
+	::high_density = high_density;
+}
+
+class HardwareFluxSink : public FluxSink
+{
+public:
+    HardwareFluxSink(unsigned drive):
+        _drive(drive)
+    {
+    }
+
+    ~HardwareFluxSink()
+    {
+    }
+
+public:
+    void writeFlux(int track, int side, Fluxmap& fluxmap)
+    {
+        usbSetDrive(_drive, high_density);
+        usbSeek(track);
+
+        Bytes crunched = fluxmap.rawBytes().crunch();
+        return usbWrite(side, crunched);
+    }
+
+private:
+    unsigned _drive;
+};
+
+std::unique_ptr<FluxSink> FluxSink::createHardwareFluxSink(unsigned drive)
+{
+    return std::unique_ptr<FluxSink>(new HardwareFluxSink(drive));
+}
+
+
+