FSM initial commit

fsm/Fsm.sv

@@ -0,0 +1,63 @@
+module Fsm
+    (
+        input wire clk,
+        input wire tim_ready,
+        input wire alarm,
+        output logic adc_en,
+        output logic tim_en,
+        output logic fram_c_en,
+        output logic led_c_en
+    );
+    real S0 = 0;
+    real S1 = 1;
+    real S2 = 2;
+    real S3 = 3;
+    real S4 = 4;
+    real S5 = 5;
+    real S6 = 6;
+  
+    logic[2:0] state;
+    initial begin
+      #0 state <= 0;
+      #0 adc_en <= 0;
+      #0 tim_en <= 0;
+      #0 fram_c_en <= 0;
+      #0 led_c_en <= 0;
+    end
+  
+    always @(posedge clk) begin
+      case(state)
+        S0: begin 
+                adc_en <= 1'b1;
+                tim_en <= 1'b1;
+                state <= S1;
+            end
+        S1: begin
+                adc_en <= 1'b0;
+                tim_en <= 1'b0;
+                if(tim_ready) begin
+                    fram_c_en <= 1'b1; 
+                    led_c_en  <= 1'b1; 
+                    state <= S2;
+                end
+                else begin
+                    // do nothing
+                end
+            end
+        S2: begin
+                fram_c_en <= 0'b0;
+                led_c_en  <= 0'b0;
+                if(alarm) begin
+                    // taster
+                end
+                else begin
+                    if(tim_ready) begin
+                    end
+                    state <= S0;
+                end
+            end
+        default: ;
+      endcase
+    end
+        
+endmodule

fsm/tb_Fsm.sv

@@ -0,0 +1,41 @@
+`include "Clk_generator.sv"
+`include "Fsm.sv"
+
+module tb_Fsm;
+    wire clk;
+    logic tim_ready;
+    logic alarm;
+    wire adc_en;
+    wire tim_en;
+    wire fram_c_en;
+    wire led_c_en;
+    Clk_generator clk_gen(.clk(clk));
+    
+  Fsm myfsm
+    (
+      .clk(clk),
+      .tim_ready(tim_ready),
+      .alarm(alarm),
+      .adc_en(adc_en),
+      .tim_en(tim_en),
+      .fram_c_en(fram_c_en),
+      .led_c_en(led_c_en)
+    );
+
+    always @(posedge clk) begin
+      #1 tim_ready <= ~tim_ready;
+    end
+  
+
+    initial begin
+        $dumpfile("tb_Fsm.vcd");
+        $dumpvars(0, tb_Fsm);
+        #50 $finish;
+    end
+  
+    initial begin
+        #0 tim_ready = 1'b0;
+        #0 alarm = 1'b0;
+    end
+
+endmodule