mirror of
https://github.com/akuker/RASCSI.git
synced 2024-09-07 09:54:31 +00:00
41 lines
857 B
C++
41 lines
857 B
C++
|
//---------------------------------------------------------------------------
|
||
|
//
|
||
|
// 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);
|
||
|
}
|