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authorJames Walmsley <james@fullfat-fs.co.uk>2013-10-27 21:48:39 +0100
committerJames Walmsley <james@fullfat-fs.co.uk>2013-10-27 21:48:39 +0100
commit40b3551b45ea4a9901f68f1ecd0983270973a1f1 (patch)
treed3b3542d06ac5c5067c7cd73a0d75b486e4a50a9 /techlibs/xilinx/example_zed_counter/example.v
parentf39c0c992839fb79f667d404a6edc85bcb662dcf (diff)
[EXAMPLES] Ported the mojo counter example to Zynq ZED board.
Will be adding a tutorial on this to verilog.james.walms.co.uk in a few days.
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diff --git a/techlibs/xilinx/example_zed_counter/example.v b/techlibs/xilinx/example_zed_counter/example.v
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+module top(clk, ctrl, led_7, led_6, led_5, led_4, led_3, led_2, led_1, led_0);
+
+input clk, ctrl;
+output led_7, led_6, led_5, led_4;
+output led_3, led_2, led_1, led_0;
+
+reg [31:0] counter;
+
+always @(posedge clk)
+ counter <= counter + (ctrl ? 4 : 1);
+
+assign {led_7, led_6, led_5, led_4, led_3, led_2, led_1, led_0} = counter >> 24;
+
+endmodule