trait Enum extends AnyRef
Defines a set of unique UInt constants
Unpack with a list to specify an enumeration. Usually used with switch to describe a finite state machine.
- Source
- Enum.scala
val state_on :: state_off :: Nil = Enum(2) val current_state = WireDefault(state_off) switch (current_state) { is (state_on) { ... } is (state_off) { ... } }
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- def apply(n: Int): List[UInt]
Returns n unique UInt values
Returns n unique UInt values
- n
Number of unique UInt constants to enumerate
- returns
Enumerated constants
- final def asInstanceOf[T0]: T0
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- def createValues(n: Int): Seq[UInt]
Returns a sequence of Bits subtypes with values from 0 until n.
Returns a sequence of Bits subtypes with values from 0 until n. Helper method.
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- def ensuring(cond: (Enum) => Boolean, msg: => Any): Enum
- def ensuring(cond: (Enum) => Boolean): Enum
- def ensuring(cond: Boolean, msg: => Any): Enum
- def ensuring(cond: Boolean): Enum
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- def formatted(fmtstr: String): String
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- This member is added by an implicit conversion from Enum toStringFormat[Enum] performed by method StringFormat in scala.Predef.
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- Deprecated
(Since version 2.12.16) Use
formatString.format(value)instead ofvalue.formatted(formatString), or use thef""string interpolator. In Java 15 and later,formattedresolves to the new method in String which has reversed parameters.
- def →[B](y: B): (Enum, B)
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- This member is added by an implicit conversion from Enum toArrowAssoc[Enum] performed by method ArrowAssoc in scala.Predef.
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- Deprecated
(Since version 2.13.0) Use
->instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.
This is the documentation for Chisel.
Package structure
The chisel3 package presents the public API of Chisel. It contains the concrete core types
UInt,SInt,Bool,Clock, andReg, the abstract typesBits,Aggregate, andData, and the aggregate typesBundleandVec.The Chisel package is a compatibility layer that attempts to provide chisel2 compatibility in chisel3.
Utility objects and methods are found in the
utilpackage.The
testerspackage defines the basic interface for chisel testers.