Initial merge of (incomplete) Banana Pi updates (#993)

cpp/hal/data_sample.cpp

@@ -0,0 +1,40 @@
+//---------------------------------------------------------------------------
+//
+//	SCSI Target Emulator RaSCSI Reloaded
+//	for Raspberry Pi
+//
+//	Copyright (C) 2022 akuker
+//
+//	[ SCSI Bus Monitor ]
+//
+//---------------------------------------------------------------------------
+
+#include "hal/bus.h"
+#include "hal/data_sample.h"
+#include <string>
+
+using namespace std;
+
+string DataSample::GetPhaseStr() const
+{
+    return BUS::GetPhaseStrRaw(GetPhase());
+}
+
+phase_t DataSample::GetPhase() const
+{
+    // Selection Phase
+    if (GetSEL()) {
+        return phase_t::selection;
+    }
+
+    // Bus busy phase
+    if (!GetBSY()) {
+        return phase_t::busfree;
+    }
+
+    // Get target phase from bus signal line
+    uint32_t mci = GetMSG() ? 0x04 : 0x00;
+    mci |= GetCD() ? 0x02 : 0x00;
+    mci |= GetIO() ? 0x01 : 0x00;
+    return BUS::GetPhase(mci);
+}