Chisel's Bool to Scala's Boolean Casting

[Shigeyuki Takano]

Hi,

I want to cast chisel's Bool var to Scala's Boolean type;

Its motivation is that conditional branch (Scala's if-statement) in tester2 to conditionally assign value by referencing from chisel code;

if (dut.io.ack == true) {

    dut.io.DatIn.poke(1234.U)

} else {

    dut.io.DatIn.poke(4321.U)

}

 for example. the if-statement is Scala(Java)'s grammar, so it can fail the execution, and inside of the if-statement should be a type supported by Scala, I think.

To casting correctly, is there method or something approach?

Best,

S.Takano

[Edward Wang]

Hello,

In the context of testers2, you should use litValue() -  e.g. dut.io.ack.litValue() == 1 or something along those lines.

Best,

Edward

[Shigeyuki Takano]

Hi Wang-san,

Thank you for your advice!

I tried both of litValue() and litToBoolean, it makes an exception error;

java.util.NoSuchElementException: None.get

Could you please tell me reason why this error is happen?

Best,

S.Takano

2021/07/28 2:21、Edward Wang <edw...@berkeley.edu>のメール:

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