src/main/scala/devices/gpio/GPIOPins.scala

   1 // See LICENSE for license details.
   2 package sifive.blocks.devices.gpio
   3
   4 import Chisel._
   5 import sifive.blocks.devices.pinctrl.{Pin}
   6
   7 // While this is a bit pendantic, it keeps the GPIO
   8 // device more similar to the other devices. It's not 'special'
   9 // even though it looks like something that more directly talks to
  10 // a pin. It also makes it possible to change the exact
  11 // type of pad this connects to.
  12 class GPIOPins[T <: Pin] (pingen: ()=> T,  c: GPIOParams) extends Bundle {
  13
  14   val pins = Vec(c.width, pingen())
  15
  16   override def cloneType: this.type =
  17     this.getClass.getConstructors.head.newInstance(pingen, c).asInstanceOf[this.type]
  18
  19   def fromPort(port: GPIOPortIO){
  20
  21     // This will just match up the components of the Bundle that
  22     // exist in both.
  23     (pins zip port.pins) foreach {case (pin, port) =>
  24       pin <> port
  25     }
  26   }
  27 }