protected async Task <StdLogicVector> ReadBus(int reg)
{
StdLogicVector value;
_sig_Bus2IP_RdCE.Next = StdLogicVector.OneHot(user_logic.NumRegs, user_logic.NumRegs - reg - 1);
for (int t = 0; t < 100; t++)
{
await Tick;
if (_sig_IP2Bus_RdAck.Cur == '1' ||
_sig_IP2Bus_Error.Cur == '1')
{
break;
}
}
if (_sig_IP2Bus_Error.Cur == '1')
{
Console.WriteLine("Bus read error @reg " + reg);
}
if (_sig_IP2Bus_Error.Cur == '0' &&
_sig_IP2Bus_RdAck.Cur == '0')
{
Console.WriteLine("Timeout @reg " + reg);
}
_sig_Bus2IP_RdCE.Next = StdLogicVector._0s(user_logic.NumRegs);
value = _sig_IP2Bus_Data.Cur;
return(value);
}
protected async Task WriteBus(int reg, StdLogicVector be, StdLogicVector data)
{
_sig_Bus2IP_WrCE.Next = StdLogicVector.OneHot(user_logic.NumRegs, user_logic.NumRegs - reg - 1);
_sig_Bus2IP_BE.Next = be;
_sig_Bus2IP_Data.Next = data;
for (int t = 0; t < 100; t++)
{
await Tick;
if (_sig_IP2Bus_WrAck.Cur == '1' ||
_sig_IP2Bus_Error.Cur == '1')
{
break;
}
}
if (_sig_IP2Bus_Error.Cur == '1')
{
Console.WriteLine("Bus write error @reg " + reg);
}
if (_sig_IP2Bus_Error.Cur == '0' &&
_sig_IP2Bus_WrAck.Cur == '0')
{
Console.WriteLine("Timeout @reg " + reg);
}
_sig_Bus2IP_WrCE.Next = StdLogicVector._0s(user_logic.NumRegs);
_sig_Bus2IP_BE.Next = StdLogicVector._0s(user_logic.SLVDWidth / 8);
_sig_Bus2IP_Data.Next = StdLogicVector.Xs(user_logic.SLVDWidth);
}
