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module blinky (
input clk_pin,
output led1_pin,
output led2_pin,
output led3_pin,
output led4_pin,
output led5_pin
);
wire clk, clki;
SB_GB clk_gb (
.USER_SIGNAL_TO_GLOBAL_BUFFER(clki),
.GLOBAL_BUFFER_OUTPUT(clk)
);
wire led1, led2, led3, led4, led5;
(* BEL="13_12_io1" *)
SB_IO #(
.PIN_TYPE(6'b 0110_01),
.PULLUP(1'b0),
.NEG_TRIGGER(1'b0)
) led1_iob (
.PACKAGE_PIN(led1_pin),
.LATCH_INPUT_VALUE(),
.CLOCK_ENABLE(),
.INPUT_CLK(),
.OUTPUT_CLK(),
.OUTPUT_ENABLE(),
.D_OUT_0(led1),
.D_OUT_1(),
.D_IN_0(),
.D_IN_1()
);
(* BEL="13_12_io0" *)
SB_IO #(
.PIN_TYPE(6'b 0110_01),
.PULLUP(1'b0),
.NEG_TRIGGER(1'b0)
) led2_iob (
.PACKAGE_PIN(led2_pin),
.LATCH_INPUT_VALUE(),
.CLOCK_ENABLE(),
.INPUT_CLK(),
.OUTPUT_CLK(),
.OUTPUT_ENABLE(),
.D_OUT_0(led2),
.D_OUT_1(),
.D_IN_0(),
.D_IN_1()
);
(* BEL="13_11_io1" *)
SB_IO #(
.PIN_TYPE(6'b 0110_01),
.PULLUP(1'b0),
.NEG_TRIGGER(1'b0)
) led3_iob (
.PACKAGE_PIN(led3_pin),
.LATCH_INPUT_VALUE(),
.CLOCK_ENABLE(),
.INPUT_CLK(),
.OUTPUT_CLK(),
.OUTPUT_ENABLE(),
.D_OUT_0(led3),
.D_OUT_1(),
.D_IN_0(),
.D_IN_1()
);
(* BEL="13_11_io0" *)
SB_IO #(
.PIN_TYPE(6'b 0110_01),
.PULLUP(1'b0),
.NEG_TRIGGER(1'b0)
) led4_iob (
.PACKAGE_PIN(led4_pin),
.LATCH_INPUT_VALUE(),
.CLOCK_ENABLE(),
.INPUT_CLK(),
.OUTPUT_CLK(),
.OUTPUT_ENABLE(),
.D_OUT_0(led4),
.D_OUT_1(),
.D_IN_0(),
.D_IN_1()
);
(* BEL="13_9_io1" *)
SB_IO #(
.PIN_TYPE(6'b 0110_01),
.PULLUP(1'b0),
.NEG_TRIGGER(1'b0)
) led5_iob (
.PACKAGE_PIN(led5_pin),
.LATCH_INPUT_VALUE(),
.CLOCK_ENABLE(),
.INPUT_CLK(),
.OUTPUT_CLK(),
.OUTPUT_ENABLE(),
.D_OUT_0(led5),
.D_OUT_1(),
.D_IN_0(),
.D_IN_1()
);
(* BEL="0_8_io1" *)
SB_IO #(
.PIN_TYPE(6'b 0000_01),
.PULLUP(1'b0),
.NEG_TRIGGER(1'b0)
) clk_iob (
.PACKAGE_PIN(clk_pin),
.LATCH_INPUT_VALUE(),
.CLOCK_ENABLE(),
.INPUT_CLK(),
.OUTPUT_CLK(),
.OUTPUT_ENABLE(),
.D_OUT_0(),
.D_OUT_1(),
.D_IN_0(clki),
.D_IN_1()
);
localparam BITS = 5;
localparam LOG2DELAY = 22;
reg [BITS+LOG2DELAY-1:0] counter = 0;
reg [BITS-1:0] outcnt;
always @(posedge clk) begin
counter <= counter + 1;
outcnt <= counter >> LOG2DELAY;
end
assign {led1, led2, led3, led4, led5} = outcnt ^ (outcnt >> 1);
endmodule
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