Created
June 8, 2019 09:10
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`default_nettype none | |
module top | |
( | |
output [7:0] out, | |
output nenable, | |
inout irq, | |
input spi_cs, | |
input spi_clk, | |
input spi_di, | |
inout spi_do, | |
inout i2c_scl, | |
inout i2c_sda, | |
output [2:0] led_rgb | |
); | |
wire clk; | |
SB_HFOSC #(.CLKHF_DIV("0b01")) | |
osc(.CLKHFPU(1), | |
.CLKHFEN(1'b1), | |
.CLKHF(clk)); | |
reg [7:0] reset_counter; | |
wire reset; | |
initial reset_counter = 0; | |
initial reset = 1; | |
always @(posedge clk) | |
if (reset) begin | |
reset_counter <= reset_counter + 1; | |
reset <= ~&reset_counter; | |
end | |
reg [25:0] counter; | |
always @(posedge clk) | |
if (reset) | |
counter <= 0; | |
else | |
counter <= counter + 1; | |
assign out = counter[17:10]; | |
assign led_rgb = 3'b111;//counter[25:22]; | |
assign nenable = reset; | |
endmodule |
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