25 lines
350 B
Coq
25 lines
350 B
Coq
|
/// btled: button-toggled LED.
|
||
|
/// This is a port of the TinyFPGA btled to the iCEStick.
|
||
|
|
||
|
module top (
|
||
|
input BR10,
|
||
|
|
||
|
output D1,
|
||
|
output D2,
|
||
|
output D3,
|
||
|
output D4,
|
||
|
output D5
|
||
|
);
|
||
|
|
||
|
|
||
|
reg state = 0;
|
||
|
assign D1 = state;
|
||
|
assign D2 = state;
|
||
|
assign D3 = state;
|
||
|
assign D4 = state;
|
||
|
assign D5 = state;
|
||
|
|
||
|
always @(negedge BR10) state <= !state;
|
||
|
|
||
|
endmodule
|