From 7f7cce4195b653f159f16b2d92f01ce6050abd3b Mon Sep 17 00:00:00 2001
From: obijuan <juan@iearobotics.com>
Date: Sat, 7 Apr 2018 14:20:00 +0200
Subject: [PATCH] iCE40-UP5K: blink example added

---
 iCE40-UP5K/blink/apio.ini |  3 +++
 iCE40-UP5K/blink/blink.v  | 19 +++++++++++++++++++
 iCE40-UP5K/blink/up5k.pcf |  8 ++++++++
 3 files changed, 30 insertions(+)
 create mode 100644 iCE40-UP5K/blink/apio.ini
 create mode 100644 iCE40-UP5K/blink/blink.v
 create mode 100644 iCE40-UP5K/blink/up5k.pcf

diff --git a/iCE40-UP5K/blink/apio.ini b/iCE40-UP5K/blink/apio.ini
new file mode 100644
index 0000000..c27c8af
--- /dev/null
+++ b/iCE40-UP5K/blink/apio.ini
@@ -0,0 +1,3 @@
+[env]
+board = iCE40-UP5K
+
diff --git a/iCE40-UP5K/blink/blink.v b/iCE40-UP5K/blink/blink.v
new file mode 100644
index 0000000..8f507b9
--- /dev/null
+++ b/iCE40-UP5K/blink/blink.v
@@ -0,0 +1,19 @@
+
+module rgb_test (input clk,
+                 output led_blue,
+                 output led_green,
+                 output led_red);
+
+
+//-- Modify this value for changing the blink frequency
+localparam N = 24;  //-- N<=21 Fast, N>=23 Slow
+
+reg [N:0] counter;
+always @(posedge clk)
+  counter <= counter + 1;
+
+assign led_green = counter[N];
+assign led_blue = counter[N-1];
+assign led_red = counter[N-2];
+
+endmodule
diff --git a/iCE40-UP5K/blink/up5k.pcf b/iCE40-UP5K/blink/up5k.pcf
new file mode 100644
index 0000000..8e63ec8
--- /dev/null
+++ b/iCE40-UP5K/blink/up5k.pcf
@@ -0,0 +1,8 @@
+
+set_io --warn-no-port led_blue 39
+set_io --warn-no-port led_green 40
+set_io --warn-no-port led_red 41
+set_io --warn-no-port clk 35
+
+
+