From b9eb443e549ab8c81e0c6bc94538f9f2fe2821d4 Mon Sep 17 00:00:00 2001
From: mtnrbq <rmawston@live.com.au>
Date: Thu, 4 Feb 2021 07:31:14 +1100
Subject: Add demo with RGB LED

---
 machxo2/examples/rgbcount.v | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 machxo2/examples/rgbcount.v

(limited to 'machxo2/examples/rgbcount.v')

diff --git a/machxo2/examples/rgbcount.v b/machxo2/examples/rgbcount.v
new file mode 100644
index 00000000..230fc73c
--- /dev/null
+++ b/machxo2/examples/rgbcount.v
@@ -0,0 +1,33 @@
+// Modified from:
+// https://github.com/tinyfpga/TinyFPGA-A-Series/tree/master/template_a2
+// https://tinyfpga.com/a-series-guide.html used as a basis.
+
+module TinyFPGA_A2 (
+  (* LOC="21" *)
+  inout pin6,
+  (* LOC="26" *)
+  inout pin9_jtgnb,
+  (* LOC="27" *)
+  inout pin10_sda,
+);
+  wire clk;
+  
+  OSCH #(
+    .NOM_FREQ("2.08")
+  ) internal_oscillator_inst (
+    .STDBY(1'b0), 
+    .OSC(clk)
+  ); 
+  
+  reg [23:0] led_timer;
+  
+  always @(posedge clk) begin
+    led_timer <= led_timer + 1; 
+  end
+  
+  // left side of board
+  assign pin9_jtgnb = led_timer[23];
+  assign pin10_sda = led_timer[22];
+  assign pin6 = led_timer[21];
+
+endmodule
\ No newline at end of file
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