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> build_npc_VKeyboard_nvboard

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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
  17:33:36  up 2 days 16:34,  2 users,  load average: 2.88, 1.66, 1.14
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tracer-ysyx 2024-01-10 17:33:36 +08:00 committed by xinyangli
parent 285a079b55
commit d3812b75e3
No known key found for this signature in database
1 changed files with 2 additions and 3 deletions
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5
npc/core/src/main/scala/Keyboard.scala
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@ -62,8 +62,6 @@ class SegGenerator(seg_count: Int) extends Module {
val keycode = Flipped(Decoupled(UInt(8.W))) val keycode = Flipped(Decoupled(UInt(8.W)))
val segs = Output(Vec(seg_count, UInt(8.W))) val segs = Output(Vec(seg_count, UInt(8.W)))
}) })
val counter = Counter(0xFF)
io.keycode.ready := false.B io.keycode.ready := false.B
when(io.keycode.valid) { when(io.keycode.valid) {
io.keycode.ready := true.B io.keycode.ready := true.B
@ -94,7 +92,8 @@ class SegGenerator(seg_count: Int) extends Module {
val ascii = MuxLookup(keycode, 0.U)(keycode_to_ascii) val ascii = MuxLookup(keycode, 0.U)(keycode_to_ascii)
val ascii_digits = VecInit(ascii(3,0)) ++ VecInit(ascii(6,4)) val ascii_digits = VecInit(ascii(3,0)) ++ VecInit(ascii(6,4))
val ascii_seg = ascii_digits.map(MuxLookup(_, 0xFF.U)(digit_to_seg)) val ascii_seg = ascii_digits.map(MuxLookup(_, 0xFF.U)(digit_to_seg))
val count_digits = VecInit(counter.value(3,0)) ++ VecInit(counter.value(7,4)) val (counter, _) = Counter(io.keycode.valid && io.keycode.ready && io.keycode.bits =/= keycode, 0xFF)
val count_digits = VecInit(counter(3,0)) ++ VecInit(counter(7,4))
val count_seg = count_digits.map(MuxLookup(_, 0xFF.U)(digit_to_seg)) 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) seg_regs := keycode_seg ++ ascii_seg ++ count_seg ++ Seq(0xFF.U, 0xFF.U)