public static ModePage_1A?DecodeModePage_1A(byte[] pageResponse)
{
if ((pageResponse?[0] &0x40) == 0x40)
{
return(null);
}
if ((pageResponse?[0] &0x3F) != 0x1A)
{
return(null);
}
if (pageResponse[1] + 2 != pageResponse.Length)
{
return(null);
}
if (pageResponse.Length < 12)
{
return(null);
}
var decoded = new ModePage_1A();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.Standby |= (pageResponse[3] & 0x01) == 0x01;
decoded.Idle |= (pageResponse[3] & 0x02) == 0x02;
decoded.IdleTimer = (uint)((pageResponse[4] << 24) + (pageResponse[5] << 16) + (pageResponse[6] << 8) +
pageResponse[7]);
decoded.StandbyTimer = (uint)((pageResponse[8] << 24) + (pageResponse[9] << 16) + (pageResponse[10] << 8) +
pageResponse[11]);
if (pageResponse.Length < 40)
{
return(decoded);
}
decoded.PM_BG_Precedence = (byte)((pageResponse[2] & 0xC0) >> 6);
decoded.Standby_Y |= (pageResponse[2] & 0x01) == 0x01;
decoded.Idle_B |= (pageResponse[3] & 0x04) == 0x04;
decoded.Idle_C |= (pageResponse[3] & 0x08) == 0x08;
decoded.IdleTimer_B = (uint)((pageResponse[12] << 24) + (pageResponse[13] << 16) + (pageResponse[14] << 8) +
pageResponse[15]);
decoded.IdleTimer_C = (uint)((pageResponse[16] << 24) + (pageResponse[17] << 16) + (pageResponse[18] << 8) +
pageResponse[19]);
decoded.StandbyTimer_Y = (uint)((pageResponse[20] << 24) + (pageResponse[21] << 16) +
(pageResponse[22] << 8) + pageResponse[23]);
decoded.CCF_Idle = (byte)((pageResponse[39] & 0xC0) >> 6);
decoded.CCF_Standby = (byte)((pageResponse[39] & 0x30) >> 4);
decoded.CCF_Stopped = (byte)((pageResponse[39] & 0x0C) >> 2);
return(decoded);
}
public static string PrettifyModePage_1A(ModePage_1A?modePage)
{
if (!modePage.HasValue)
{
return(null);
}
ModePage_1A page = modePage.Value;
StringBuilder sb = new StringBuilder();
sb.AppendLine("SCSI Power condition page:");
if (page.PS)
{
sb.AppendLine("\tParameters can be saved");
}
if (page.Standby && page.StandbyTimer > 0 || page.Standby_Y && page.StandbyTimer_Y > 0)
{
if (page.Standby && page.StandbyTimer > 0)
{
sb.AppendFormat("\tStandby timer Z is set to {0} ms", page.StandbyTimer * 100).AppendLine();
}
if (page.Standby_Y && page.StandbyTimer_Y > 0)
{
sb.AppendFormat("\tStandby timer Y is set to {0} ms", page.StandbyTimer_Y * 100).AppendLine();
}
}
else
{
sb.AppendLine("\tDrive will not enter standy mode");
}
if (page.Idle && page.IdleTimer > 0 || page.Idle_B && page.IdleTimer_B > 0 ||
page.Idle_C && page.IdleTimer_C > 0)
{
if (page.Idle && page.IdleTimer > 0)
{
sb.AppendFormat("\tIdle timer A is set to {0} ms", page.IdleTimer * 100).AppendLine();
}
if (page.Idle_B && page.IdleTimer_B > 0)
{
sb.AppendFormat("\tIdle timer B is set to {0} ms", page.IdleTimer_B * 100).AppendLine();
}
if (page.Idle_C && page.IdleTimer_C > 0)
{
sb.AppendFormat("\tIdle timer C is set to {0} ms", page.IdleTimer_C * 100).AppendLine();
}
}
else
{
sb.AppendLine("\tDrive will not enter idle mode");
}
switch (page.PM_BG_Precedence)
{
case 0: break;
case 1:
sb.AppendLine("\tPerforming background functions take precedence over maintaining low power conditions");
break;
case 2:
sb.AppendLine("\tMaintaining low power conditions take precedence over performing background functions");
break;
}
return(sb.ToString());
}