/// <summary>
/// Attempts to retrieve the Battery Fault Indicator. This method
/// calls down to the Chassis Manager with SendReceive
/// </summary>
private BatteryFaultIndicatorPacket GetBatteryFaultIndicator(byte psuId)
{
// Initialize return packet
BatteryFaultIndicatorPacket returnPacket = new BatteryFaultIndicatorPacket();
returnPacket.CompletionCode = CompletionCode.UnspecifiedError;
try
{
BatteryFaultIndicatorResponse myResponse = new BatteryFaultIndicatorResponse();
myResponse = (BatteryFaultIndicatorResponse)this.SendReceive(this.PsuDeviceType, this.PsuId,
new PsuRequest((byte)PmBusCommand.FAULT_INDICATOR, (byte)PmBusResponseLength.FAULT_INDICATOR), typeof(BatteryFaultIndicatorResponse));
if (myResponse.CompletionCode != 0)
{
returnPacket.CompletionCode = (CompletionCode)myResponse.CompletionCode;
Tracer.WriteWarning("GetBatteryFaultIndicator Failure: Completion Code: {0}", returnPacket.CompletionCode);
}
else
{
returnPacket.CompletionCode = CompletionCode.Success;
// Extract status bits from return word. Only top byte contains valid status
byte status = myResponse.BatteryFaultIndicator[0];
returnPacket.BatteryFault = (byte)((status >> 7) & 0x1);
returnPacket.UnderVoltage = (byte)((status >> 6) & 0x1);
returnPacket.OverCurrentCharge = (byte)((status >> 5) & 0x1);
returnPacket.OverTemp = (byte)((status >> 4) & 0x1);
returnPacket.CellBalanceNotGood = (byte)((status >> 3) & 0x1);
returnPacket.OverVoltage = (byte)((status >> 2) & 0x1);
returnPacket.OverCurrentDischarge = (byte)((status >> 1) & 0x1);
}
}
catch (System.Exception ex)
{
returnPacket.CompletionCode = CompletionCode.UnspecifiedError;
Tracer.WriteError("GetBatteryFaultIndicator Exception: " + ex);
}
return returnPacket;
}
/// <summary>
/// Attempts to clear the Battery Fault Indicator. This method
/// calls down to the Chassis Manager with SendReceive
/// </summary>
private CompletionCode ClearBatteryFaultIndicator(byte psuId)
{
CompletionCode returnPacket = new CompletionCode();
returnPacket = CompletionCode.UnspecifiedError;
// Command payload to clear fault indicators
byte[] cmdPayload = clearBatteryFaultPayload;
try
{
BatteryFaultIndicatorResponse myResponse = new BatteryFaultIndicatorResponse();
myResponse = (BatteryFaultIndicatorResponse)this.SendReceive(this.PsuDeviceType, this.PsuId,
new PsuWordPayloadRequest((byte)PmBusCommand.FAULT_INDICATOR, cmdPayload, (byte)0), typeof(BatteryFaultIndicatorResponse));
if (myResponse.CompletionCode != 0)
{
returnPacket = (CompletionCode)myResponse.CompletionCode;
Tracer.WriteWarning("ClearBatteryFaultIndicator Failure: Completion Code: {0}", returnPacket);
}
else
{
returnPacket = CompletionCode.Success;
}
}
catch (System.Exception ex)
{
returnPacket = CompletionCode.UnspecifiedError;
Tracer.WriteError("ClearBatteryFaultIndicator Exception: " + ex);
}
return returnPacket;
}