add top_countHEADmaster

1 files changed, 19 insertions, 0 deletions

diff --git a/top_count/src/counter.scala b/top_count/src/counter.scala
new file mode 100644
index 0000000..d8dc06e
--- /dev/null
+++ b/top_count/src/counter.scala
@@ -0,0 +1,19 @@
+package top_count
+
+import spinal.core._
+
+case class counter() extends Component {
+  val io = new Bundle {
+    val en_i = in Bool()
+    val cnt_o  = out UInt(4 bits)
+  }
+
+  // The counter register
+  val cnt = Reg(UInt(4 bits)) init 0
+
+  when (io.en_i) {
+    cnt := cnt + 1
+  }
+  // Map the register content to the output
+  io.cnt_o := cnt
+}