lcd_control.v

ise9.1官方的使用手册中配套用的fpga入门代码

			sf_d_temp = 8'b01001100; // L	 
			if 	(count == `TIME3) begin
					next_state <= `word8; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) & (count <= `TIME3)) begin
					next_state <= `word7; control = 3'b100; state_flag <= 1'b0; end 
			else begin next_state <= `word7; control = 3'b101; state_flag <= 1'b0; end
			end // case	
		`word8 : begin
			sf_d_temp = 8'b01100001; // a	 
			if 	(count == `TIME3) begin
					next_state <= `word9; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) & (count <= `TIME3)) begin
					next_state <= `word8; control = 3'b100; state_flag <= 1'b0; end  
			else begin next_state <= `word8; control = 3'b101; state_flag <= 1'b0; end
			end // case	
		`word9 : begin
			sf_d_temp = 8'b01110000; // p	 
			if 	(count == `TIME3) begin
					next_state <= `word10; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `word9; control = 3'b100; state_flag <= 1'b0; end  
			else begin next_state <= `word9; control = 3'b101; state_flag <= 1'b0; end
			end // case	
		`word10 : begin
			sf_d_temp = 8'b00111010; // [colon]		
			if 	(count == `TIME3) begin
					next_state <= `time_display1; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `word10; control = 3'b100; state_flag <= 1'b0; end
			else begin next_state <= `word10; control = 3'b101; state_flag <= 1'b0; end
			end // case	
	
//--------------------- Time Display--------------------------------------
		`time_display1 : begin
			sf_d_temp = 8'b10000110; // Set Address hx06	 
			if (count == `TIME3) begin
					next_state <= `time_display2; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display1; control = 3'b000; state_flag <= 1'b0; end  
			else begin next_state <= `time_display1; control = 3'b001; state_flag <= 1'b0; end
			end // case
		`time_display2 : begin   // Display minute digit
			case (minutes)  
				4'b0000 : sf_d_temp = 8'b00110000; //0
      		4'b0001 : sf_d_temp = 8'b00110001; //1
      		4'b0010 : sf_d_temp = 8'b00110010; //2
      		4'b0011 : sf_d_temp = 8'b00110011; //3
      		4'b0100 : sf_d_temp = 8'b00110100; //4
      		4'b0101 : sf_d_temp = 8'b00110101; //5
      		4'b0110 : sf_d_temp = 8'b00110110; //6
      		4'b0111 : sf_d_temp = 8'b00110111; //7
      		4'b1000 : sf_d_temp = 8'b00111000; //8
      		4'b1001 : sf_d_temp = 8'b00111001; //9
				default : sf_d_temp = 8'b00101101; //[-]
			endcase
			if (count == `TIME3) begin
					next_state <= `time_display3; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display2; control = 3'b100; state_flag <= 1'b0; end  
			else begin next_state <= `time_display2; control = 3'b101; state_flag <= 1'b0; end
			end // case
		`time_display3 : begin
			sf_d_temp = 8'b10000111; // Set Address hx07	 
			if (count == `TIME3) begin
					next_state <= `time_display4; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display3; control = 3'b000; state_flag <= 1'b0; end 
			else begin next_state <= `time_display3; control = 3'b001; state_flag <= 1'b0; end
			end // case
		`time_display4 : begin
			sf_d_temp = 8'b00111010; // [colon]	 
			if (count == `TIME3) begin
					next_state <= `time_display5; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display4; control = 3'b100; state_flag <= 1'b0; end  
			else begin next_state <= `time_display4; control = 3'b101; state_flag <= 1'b0; end
			end // case	
		`time_display5 : begin
			sf_d_temp = 8'b10001000; // Set Address hx08	 
			if (count == `TIME3) begin
					next_state <= `time_display6; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display5; control = 3'b000; state_flag <= 1'b0; end  
			else begin next_state <= `time_display5; control = 3'b001; state_flag <= 1'b0; end
			end // case	
		`time_display6 : begin   // Display tens of seconds digit
			case (tens)
				4'b0000 : sf_d_temp = 8'b00110000; //0
      		4'b0001 : sf_d_temp = 8'b00110001; //1
      		4'b0010 : sf_d_temp = 8'b00110010; //2
      		4'b0011 : sf_d_temp = 8'b00110011; //3
      		4'b0100 : sf_d_temp = 8'b00110100; //4
      		4'b0101 : sf_d_temp = 8'b00110101; //5
      		4'b0110 : sf_d_temp = 8'b00110110; //6
      		4'b0111 : sf_d_temp = 8'b00110111; //7
      		4'b1000 : sf_d_temp = 8'b00111000; //8
      		4'b1001 : sf_d_temp = 8'b00111001; //9
				default : sf_d_temp = 8'b00101101; //[-]
			endcase
			if (count == `TIME3) begin
					next_state <= `time_display7; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display6; control = 3'b100; state_flag <= 1'b0; end 
			else begin next_state <= `time_display6; control = 3'b101; state_flag <= 1'b0; end
			end // case
		`time_display7 : begin
			sf_d_temp = 8'b10001001; // Set Address hx09	 
			if (count == `TIME3) begin
					next_state <= `time_display8; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display7; control = 3'b000; state_flag <= 1'b0; end  
			else begin next_state <= `time_display7; control = 3'b001; state_flag <= 1'b0; end
			end // case
		`time_display8 : begin   // Display seconds digit
			case (ones)    		 
				4'b0000 : sf_d_temp = 8'b00110000; //0 		
				4'b0001 : sf_d_temp = 8'b00110001; //1 		
				4'b0010 : sf_d_temp = 8'b00110010; //2 		
				4'b0011 : sf_d_temp = 8'b00110011; //3		
				4'b0100 : sf_d_temp = 8'b00110100; //4	
				4'b0101 : sf_d_temp = 8'b00110101; //5		 
				4'b0110 : sf_d_temp = 8'b00110110; //6	
				4'b0111 : sf_d_temp = 8'b00110111; //7	
				4'b1000 : sf_d_temp = 8'b00111000; //8	
				4'b1001 : sf_d_temp = 8'b00111001; //9	
				default : sf_d_temp = 8'b00101101; //[-]
			endcase
			if (count == `TIME3) begin
					next_state <= `time_display9; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display8; control = 3'b100; state_flag <= 1'b0; end  
			else begin next_state <= `time_display8; control = 3'b101; state_flag <= 1'b0; end
			end // case
		`time_display9 : begin
			sf_d_temp = 8'b10001010; // Set Address hx0A	 
			if (count == `TIME3) begin
					next_state <= `time_display10; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display9; control = 3'b000; state_flag <= 1'b0; end 
			else begin next_state <= `time_display9; control = 3'b001; state_flag <= 1'b0; end
			end // case
		`time_display10 : begin
			sf_d_temp = 8'b00111010; // [colon]	 
			if (count == `TIME3) begin
					next_state <= `time_display11; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display10; control = 3'b100; state_flag <= 1'b0; end
			else begin next_state <= `time_display10; control = 3'b101; state_flag <= 1'b0; end
			end // case	
		`time_display11 : begin
			sf_d_temp = 8'b10001011; // Set Address hx0B	 
			if (count == `TIME3) begin
					next_state <= `time_display12; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display11; control = 3'b000; state_flag <= 1'b0; end
			else begin next_state <= `time_display11; control = 3'b001; state_flag <= 1'b0; end
			end // case
		`time_display12 : begin   // Display tenths of second digit
			case (tenths)
				4'b0000 : sf_d_temp = 8'b00110000; //0
      		4'b0001 : sf_d_temp = 8'b00110001; //1
      		4'b0010 : sf_d_temp = 8'b00110010; //2
      		4'b0011 : sf_d_temp = 8'b00110011; //3
      		4'b0100 : sf_d_temp = 8'b00110100; //4
      		4'b0101 : sf_d_temp = 8'b00110101; //5
      		4'b0110 : sf_d_temp = 8'b00110110; //6
      		4'b0111 : sf_d_temp = 8'b00110111; //7
      		4'b1000 : sf_d_temp = 8'b00111000; //8
      		4'b1001 : sf_d_temp = 8'b00111001; //9
				default : sf_d_temp = 8'b00101101; //[-]
			endcase                                                                 
			if (count == `TIME3) begin
					next_state <= `time_display13; control = 3'b101; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display12; control = 3'b100; state_flag <= 1'b0; end
			else begin next_state <= `time_display12; control = 3'b101; state_flag <= 1'b0; end
			end // case
		`time_display13 : begin
			sf_d_temp = 8'b10001100; // Set Address hx0C	 
			if (count == `TIME3) begin
					next_state <= `time_display14; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display13; control = 3'b000; state_flag <= 1'b0; end
			else begin next_state <= `time_display13; control = 3'b001; state_flag <= 1'b0; end
			end // case
		`time_display14 : begin   // Display hundredths of second digit
			case (hundredths)
				4'b0000 : sf_d_temp = 8'b00110000; //0
      		4'b0001 : sf_d_temp = 8'b00110001; //1
      		4'b0010 : sf_d_temp = 8'b00110010; //2
      		4'b0011 : sf_d_temp = 8'b00110011; //3
      		4'b0100 : sf_d_temp = 8'b00110100; //4
      		4'b0101 : sf_d_temp = 8'b00110101; //5
      		4'b0110 : sf_d_temp = 8'b00110110; //6
      		4'b0111 : sf_d_temp = 8'b00110111; //7
      		4'b1000 : sf_d_temp = 8'b00111000; //8
      		4'b1001 : sf_d_temp = 8'b00111001; //9
				default : sf_d_temp = 8'b00101101; //[-]
			endcase                                            
			if (count == `TIME3) begin
				if ((mode == 1'b1) && (lap_flag == 1'b1)) begin // Clock mode lap_flag triggered
					next_state <= `lap_display1; control = 3'b101; state_flag <= 1'b1; end
				else if ((mode == 1'b1) && (lap_flag == 1'b0)) begin // Clock mode
					if (clock_flag == 1'b1) begin
						next_state <= `init6; control = 3'b101; state_flag <= 1'b1; set_clock_flag = 1'b0; end
					else begin next_state <= `lap_display1; control = 3'b101; state_flag <= 1'b1; end
					end // else if	
				else if (mode == 1'b0) begin // timer mode
					if (timer_flag == 1'b1) begin
						next_state <= `init6; control = 3'b101; state_flag <= 1'b1; set_timer_flag = 1'b0; end
					else begin next_state <= `time_display1; control = 3'b101; state_flag <= 1'b1; end
					end // else if
				else begin next_state <= `time_display1; control = 3'b101; state_flag <= 1'b1; end
				end // if	
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `time_display14; control = 3'b100; state_flag <= 1'b0; end
			else begin next_state <= `time_display14; control = 3'b101; state_flag <= 1'b0; end
			end // case

//--------------------- Lap Time Display--------------------------------------
		`lap_display1 : begin
			sf_d_temp = 8'b11000110; // Set Address hx46	 
			if (count == `TIME3) begin
					next_state <= `lap_display2; control = 3'b001; state_flag <= 1'b1; end
			else if ((count > `TIME2) && (count <= `TIME3)) begin
					next_state <= `lap_display1; control = 3'b000; state_flag <= 1'b0; end
			else begin next_state <= `lap_display1; control = 3'b001; state_flag <= 1'b0; end
			end // case
		`lap_display2 : begin  // Display minute digit
			case (lap_min)  
				4'b0000 : sf_d_temp = 8'b00110000; //0
      		4'b0001 : sf_d_temp = 8'b00110001; //1
      		4'b0010 : sf_d_temp = 8'b00110010; //2
      		4'b0011 : sf_d_temp = 8'b00110011; //3