iCE40-UP5K: blink example added

FPGAwars · Apr 7, 2018 · 7f7cce4 · 7f7cce4
1 parent d8217b2
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diff --git a/iCE40-UP5K/blink/apio.ini 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
@@ -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
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+
+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
+
+
+