Pano Logic G2 - Hola mundo

[wilco2009]

Hace lo mismo que el del G1, hace parpadear los LEDs rojo y verde y alternativamente el LED azul.

Código: Seleccionar todo

`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company: 
// Engineer: 
// 
// Create Date:    17:08:24 12/22/2018 
// Design Name: 
// Module Name:    Blink 
// Project Name: 
// Target Devices: 
// Tool versions: 
// Description: 
//
// Dependencies: 
//
// Revision: 
// Revision 0.01 - File Created
// Additional Comments: 
//
//////////////////////////////////////////////////////////////////////////////////
module Blink(
    input clk,
    output led_green,
    output led_blue,
    output led_red
    );

	parameter CLK_FREQ = 20000000;
   parameter BLINK_FREQ = 1;
   parameter CNT_MAX = CLK_FREQ/BLINK_FREQ/2-1;

   reg[32:0] cnt;
   reg blink;
	
	always@(posedge clk)
	begin
		if (cnt==CNT_MAX) begin
			cnt <= 0;
			blink <= !blink;
		end else begin
			cnt <= cnt + 1;
		end;
	end;

	assign led_red = !blink;
	assign led_green = !blink;
	assign led_blue = blink;


endmodule

Y aquí el UCF

Código: Seleccionar todo

# Pano Logic Zero Client G2 Constraints File

# VCCAUX is 2.5 Volts
CONFIG VCCAUX = "2.5";

# 25 MHz System Clock
NET "clk"               LOC = Y13 | IOSTANDARD = LVCMOS33;
TIMESPEC TS_CLK = PERIOD "clk" 25 MHz HIGH 50%;
NET "clk" TNM_NET = clk_osc;

# Pano Button LED Output, Active High
NET "led_red"               LOC = E12 | IOSTANDARD = LVCMOS33;
NET "led_blue"              LOC = H13 | IOSTANDARD = LVCMOS33;
NET "led_green"             LOC = F13 | IOSTANDARD = LVCMOS33;