> build_npc_VKeyboard_nvboard

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
  21:43:03  up 2 days 20:43,  2 users,  load average: 2.99, 1.81, 1.39

npc/core/src/main/scala/Keyboard.scala

@@ -80,8 +80,10 @@ class KeyboardSegController extends Module {
     when(io.keycode.bits === 0xF0.U) {
       release_state := true.B
     }.elsewhen(!release_state) {
+      when(io.keycode.bits =/= keycode) {
+        counter.inc()
+      }
       keycode := io.keycode.bits
-      counter.inc()
     }.otherwise{
       // Release code on io.keycode.bits
       release_state := false.B