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> configure(npc)

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ysyx_22040000 李心杨
 Linux calcite 6.1.69 #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 20 16:00:29 UTC 2023 x86_64 GNU/Linux
  17:10:11  up 2 days 16:10,  2 users,  load average: 0.52, 0.61, 0.56
This commit is contained in:
tracer-ysyx 2024-01-10 17:10:11 +08:00 • committed by xinyangli
parent c03db677e8
commit 34c3b29d2d
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5 changed files with 17 additions and 11 deletions
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15
npc/core/src/main/scala/Keyboard.scala
View file

@ -1,7 +1,7 @@
package npc.keyboard
import chisel3._
import chisel3.util.{Counter, Decoupled, Queue, Reverse, MuxLookup}
import chisel3.util.{Counter, Decoupled, Queue, Reverse, MuxLookup, RegEnable}
import npc.seg._
import upickle.implicits.key
@ -62,11 +62,15 @@ class SegGenerator(seg_count: Int) extends Module {
val keycode = Flipped(Decoupled(UInt(8.W)))
val segs = Output(Vec(seg_count, UInt(8.W)))
})
io.keycode.ready := DontCare
val counter = Counter(0xFF)
io.keycode.ready := false.B
when(io.keycode.valid) {
io.keycode.ready := true.B
}
val seg_regs = RegInit(VecInit(Seq.fill(seg_count)(0.U(8.W))))
val last_keycode = RegInit(0.U(8.W))
val (counter, _) = Counter(0 to 0xFF, clock.asBool, reset.asBool)
val digit_to_seg = ((0 until 16).map(_.U)).zip(Seq(
"b00000011".U, "b10011111".U, "b00100101".U, "b00001101".U,
"b10011001".U, "b01001001".U, "b01000001".U, "b00011111".U,
@ -83,13 +87,14 @@ class SegGenerator(seg_count: Int) extends Module {
0x25.U, 0x2E.U, 0x36.U, 0x3D.U, 0x3E.U, 0x46.U,
))
val keycode = io.keycode.bits
// val keycode = Mux(io.keycode.ready && io.keycode.valid, io.keycode.bits, keycode)
val keycode = RegEnable(io.keycode.bits, 0.U, io.keycode.ready && io.keycode.valid)
val keycode_digits = VecInit(keycode(3,0)) ++ VecInit(keycode(7,4))
val keycode_seg = keycode_digits.map(MuxLookup(_, 0xFF.U)(digit_to_seg))
val ascii = MuxLookup(keycode, 0.U)(keycode_to_ascii)
val ascii_digits = VecInit(ascii(3,0)) ++ VecInit(ascii(6,4))
val ascii_seg = ascii_digits.map(MuxLookup(_, 0xFF.U)(digit_to_seg))
val count_digits = VecInit(counter(3,0)) ++ VecInit(counter(7,4))
val count_digits = VecInit(counter.value(3,0)) ++ VecInit(counter.value(7,4))
val count_seg = count_digits.map(MuxLookup(_, 0xFF.U)(digit_to_seg))
seg_regs := keycode_seg ++ ascii_seg ++ count_seg ++ Seq(0xFF.U, 0xFF.U)

2
npc/core/src/main/scala/Main.scala
View file

@ -88,7 +88,7 @@ class Keyboard extends Module {
val segs = Output(Vec(3, UInt(8.W)))
})
val seg_handler = Module(new SegHandler)
val seg_handler = Module(new SegGenerator(seg_count = 8))
val keyboard_controller = Module(new KeyboardController)
seg_handler.io.keycode <> keyboard_controller.io.out