//TODO: move this method to a base class
public void LoadJEDEC(string fileName)
{
var assembly = Assembly.GetCallingAssembly();
using (var stream = assembly.GetManifestResourceStream(fileName))
{
if (stream == null)
{
throw new Exception("Cannot find JEDEC data file, make sure it is set to Embedded Resource!");
}
using (var reader = new StreamReader(stream))
{
// find *L
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
if (line != null && line.Contains("*L"))
{
int address = int.Parse(line.Substring(2, 5));
//TODO: need to account for a possible 44 fuses?
for (int i = 0; i < 32 && i + 8 < line.Length; i++)
{
if (line.Substring(i + 8, 1) == "0")
{
Fuses.Add(address + i);
}
}
}
}
}
}
}
// handle PTD fuses (Product Term Disabled)
private bool IsRowEnabled(int fuseNumber)
{
if (!HasPtdFuses)
{
return(true);
}
//2128 - 2191 PTD (GAL16v8)
int ptdFuseNumber = (fuseNumber / FusesPerRow) + RowEnableStartFuse;
// if the fuse is active, then the row is disabled
return(!Fuses.Contains(ptdFuseNumber));
}
private void SetMode()
{
if (Fuses.Contains(2192) && Fuses.Contains(2193))
{
// complex syn=1, ac0=1
_mode = GalModeEnum.Complex;
}
else if (Fuses.Contains(2192))
{
// simple syn=1, ac0=0
_mode = GalModeEnum.Simple;
}
else
{
// registered syn=0, ac0=1
_mode = GalModeEnum.Registered;
}
}
private double ActiveLevel(int outputNumber, double outputVoltage)
{
int fuseNumber = 0;
foreach (var o in OlmcUnits)
{
if (o.OutputPin == outputNumber)
{
fuseNumber = o.S0FuseNumber;
break;
}
}
if (Fuses.Contains(fuseNumber))
{
return(outputVoltage.Inverted());
}
return(outputVoltage);
}
