Page 383 - 완) I MDP 프로젝트 작품 보고서(전체과 1학년)1.6
P. 383
if(ss_buff==1)
begin
timer_flag <= 1;
enable <= 0;
end
if(up_buff == 1)
begin
if(select==1) thour <= (thour+1)%24;
else if(select==2) tmin <= (tmin+1)%60;
end
end
else
begin
thour <= 0;
tmin <= 0;
tsec <= 0;
timer_flag <= 0;
enable <= 0;
end
end
endmodule
//////////////////////////////////////////////////////////////////////////////
// d_sw output timing -> 50[Mhz]기준 BOUNCING DELAY뒤에 출력
// BOUNCING_DELAY 값 조절가능
module sw_debouncing (clk, rst, b_sw, d_sw);
input clk, rst, b_sw;
output reg d_sw;
reg [25:0] cnt;
reg key_state;
parameter BOUNCING_DELAY = 12500000; // boungcing count num
parameter ACTIVE_HIGH = 1'b1; // active_high switch
parameter ACTIVE_LOW = 1'b0; // active_low switch
parameter KEY_ON = 0;
parameter KEY_OFF = 1;
always @(posedge clk, negedge rst) begin
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