3 files changed, 83 insertions, 0 deletions
diff --git a/top_count/src/Config.scala b/top_count/src/Config.scala
new file mode 100644
index 0000000..c498303
--- /dev/null
+++ b/top_count/src/Config.scala
@@ -0,0 +1,17 @@
+package top_count
+
+import spinal.core._
+import spinal.core.sim._
+
+object Config {
+  def spinal = SpinalConfig(
+    targetDirectory = sys.props.getOrElse("spinalTargetDir", "top_count/gen"),
+    defaultConfigForClockDomains = ClockDomainConfig(
+      resetKind        = ASYNC,
+      resetActiveLevel = LOW
+    ),
+    onlyStdLogicVectorAtTopLevelIo = false
+  )
+
+  def sim = SimConfig.withGhdl.withConfig(spinal).withFstWave
+}
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
+}
diff --git a/top_count/src/top_count.scala b/top_count/src/top_count.scala
new file mode 100644
index 0000000..ff2e54a
--- /dev/null
+++ b/top_count/src/top_count.scala
@@ -0,0 +1,47 @@
+package top_count
+
+import spinal.core._
+
+// Hardware definition
+case class top_count() extends Component {
+  val io = new Bundle {
+    val SW       = in  Bits(10 bits)
+    val CLOCK_50 = in Bool()
+    val KEY      = in Bits(4 bits)
+    val HEX0     = out Bits(7 bits)
+    val EXP      = out Bits(8 bits)
+    val LEDR     = out  Bits(10 bits)
+    val LEDG     = out Bits(4 bits)
+  }
+  // Remove io_ from the port names in generated vhdl code
+  noIoPrefix()
+
+  val clk = new Bool()
+  val rst_n = new Bool()
+  clk := io.CLOCK_50
+  rst_n := io.KEY(0)
+  val coreclockdomain = ClockDomain(clk, rst_n)
+  val coreArea = new ClockingArea(coreclockdomain) {
+    val counter = new counter()
+    counter.io.en_i := io.KEY(1)
+    
+    io.LEDR := io.SW
+    io.EXP(7 downto 4) := counter.io.cnt_o.asBits
+    io.EXP(3) := io.KEY(1)
+    io.EXP(2) := False
+    io.EXP(1) := rst_n
+    io.EXP(0) := clk
+
+    io.LEDG := io.KEY
+    io.HEX0 := "0000000"
+  }
+}
+
+// The following defines the vhdl and verilog code generation
+object genverilog extends App {
+  Config.spinal.generateVerilog(top_count())
+}
+
+object genvhdl extends App {
+  Config.spinal.generateVhdl(top_count())
+}