File: lab_mc_monitor.e-- monitor and checker are in this file<'unit lab_mc_monitor_u {//======================= Below are variable and event definition ===========// Define the events for methods and checkers// Define the fields to record the input and pwme//===========================================================================     -- record the first cycle speed now   mc_speed_now_ori: uint(bits: 13);   keep soft mc_speed_now_ori == 0;      -- record the real speed now signal from the dut at the second cycle   mc_speed_now_dut: uint(bits: 13);   keep soft mc_speed_now_dut == 0;      -- record the first cycle target speed   mc_target_speed_ori: uint(bits: 13);   keep soft mc_target_speed_ori == 0;      -- record the real target speed signal from the dut at the second cycle   mc_target_speed_dut: uint(bits: 13);   keep soft mc_target_speed_dut == 0;      -- record the first cycle min speed   mc_min_speed_ori: uint(bits: 13);   keep soft mc_min_speed_ori == 0;      -- record the real min speed signal from the dut at the second cycle   mc_min_speed_dut: uint(bits: 13);   keep soft mc_min_speed_dut == 0;      -- record the first cycle power enable signal   mc_pwme_ori: uint(bits: 1);   keep soft mc_pwme_ori == 0;      -- the real power enable signal from the dut at the second cycle   mc_pwme_dut: uint(bits: 1);   keep soft mc_pwme_dut == 0;         -- record No. of the cycle of pwme    mc_pwme_cycle_count: uint(bits: 3);   keep soft mc_pwme_cycle_count == 0;      -- record whether to start counter   mc_pwme_upa: uint(bits: 1);   keep soft mc_pwme_upa == 0;      -- record the cycles that pwme has lasted in high or low level   mc_pwme_count: uint(bits: 9);   keep soft mc_pwme_count == 0;            -- record the origin max cycles that pwme can last in high level   mc_pwme_count_h_ori: uint(bits: 9);   keep soft mc_pwme_count_h_ori == 0;      -- record the origin max cycles that pwme can last in low level   mc_pwme_count_l_ori: uint(bits: 9);   keep soft mc_pwme_count_l_ori == 0;      -- record the real max cycles that pwme can last in high level   mc_pwme_count_h_dut: uint(bits: 9);   keep soft mc_pwme_count_h_dut == 0;      -- record the real max cycles that pwme can last in low level   mc_pwme_count_l_dut: uint(bits: 9);   keep soft mc_pwme_count_l_dut == 0;      -- record the expected max cycles that pwme can last in high level   mc_pwme_count_h_exp: uint(bits: 9);   keep soft mc_pwme_count_h_exp == 0;      -- record the expected max cycles that pwme can last in low level   mc_pwme_count_l_exp: uint(bits: 9);   keep soft mc_pwme_count_l_exp == 0;      -- record the first cycle state   mc_state_ori: uint(bits: 2);   keep soft mc_state_ori == 0;      -- record the second cycle state   mc_state_dut: uint(bits: 2);   keep soft mc_state_dut == 0;      -- record the expected state   mc_state_exp: uint(bits: 2);   keep soft mc_state_exp == 0;         -- default clock   event mc_clkr is rise('mc_clk_i')@sim;      -- event clock fall   event mc_clkf is fall('mc_clk_i')@sim;         -- when reset signal toggles, mc_reset_e occurs   event mc_reset_e is change('mc_reset_i')@sim;   -- when reset signal toggles from 0 to 1, mc_reset_r_e occurs   event mc_reset_r_e is rise('mc_reset_i')@sim;      -- when speed now signal toggles, mc_speed_now_e occurs   event mc_speed_now_e is change('mc_speed_now_i')@sim;      -- when target speed signal toggles, this event occurs   event mc_target_speed_e is change('mc_target_speed_i')@sim;      -- when min speed signal toggles, this event occurs   event mc_min_speed_e is change('mc_min_speed_i')@sim;       -- When the power enable signal has lasted enough time, this event occurs      -- It makes the pwme changed at the next cycle      event mc_pwme_e is change('mc_pwme_o')@sim;   -- when any input toggles, this event occurs   event mc_change_e is (@mc_reset_e or @mc_speed_now_e or @mc_target_speed_e or @mc_min_speed_e or @mc_pwme_e) @mc_clkr;   -- when no input changes, this event occurs   event mc_idle_e is not(@mc_change_e) @mc_clkf;                          //============== Below are getinput(), getpwme() and getcount()method =======// use these methods to get the input , pwme signal and cycle of pwme signl//===========================================================================    -- this metod is used to get the speed now from the dut  getspeednow() : uint(bits:13) is {     result[7:0] = 'mc_speed_now_i';  };    -- this metod is used to get the target speed from the dut  gettargetspeed() : uint(bits:13) is {     result[7:0] = 'mc_target_speed_i';  };    -- this metod is used to get the min speed from the dut  getminspeed() : uint(bits:13) is {     result[7:0] = 'mc_min_speed_i';  };  -- this method is used to get the pwme signal from the dut  getpwme() : uint(bits:1) is {          result[0:0] = 'mc_pwme_o';  };    -- this method is used to get the state  getstate() : uint(bits:2) is {     result[1:0] = mc_state_exp;  };      -- this method is used to get the cycle of pwme signal from the dut  getcount() : uint(bits:9) is {     result[8:0] = mc_pwme_count;  }; //======================= Below are mc_check_reset() method =================// actions when mc_reset_r_e//===========================================================================        -- This event is used for checker   event mc_check_reset_e;      -- check pwme when reset   mc_check_reset() @mc_clkf is {            mc_pwme_dut = getpwme();      -- This item is used for cover the reset checker      mc_reset_checker_c = FALSE;      emit mc_check_reset_e; -- to active checker   };   on mc_reset_r_e { start mc_check_reset(); };//======================= Below are mc_check_idle() method ==================// actions when mc_idle_e//===========================================================================   -- This event is used for checker   event mc_check_idle_e;         -- check pwme when idle    mc_check_idle() @mc_clkf is {                  -- if the state has changed      if mc_state_ori != mc_state_dut then {              mc_pwme_cycle_count = 0;      };      -- outf("\nthe power enable signal is %d,the last state is %d, current state is %d.",mc_pwme_ori, mc_state_ori, mc_state_dut);            -- record the cycle of pwme      if mc_pwme_upa == 0 and mc_pwme_ori != mc_pwme_dut then{               if mc_pwme_cycle_count == 0 then {                  }         else if mc_pwme_cycle_count == 1 or mc_pwme_cycle_count == 2 then {            if mc_pwme_ori == 1 then {               mc_pwme_count_l_ori = getcount();            }            else{               mc_pwme_count_h_ori = getcount();            };          }         else if mc_pwme_cycle_count == 3 or mc_pwme_cycle_count == 4 then {            if mc_pwme_ori == 1 then {               mc_pwme_count_l_dut = getcount();            }            else{               mc_pwme_count_h_dut = getcount();            };         };            };      -- change the No. of cycle      mc_pwme_cycle_count += 1;            if mc_pwme_cycle_count == 5 then{         mc_pwme_cycle_count = 0;       };               if 'mc_reset_i' == 0 then { -- if reset is not asserted in the second cycle      -- This item is used for cover the idle checker         mc_idle_checker_c = FALSE;         emit mc_check_idle_e; -- to active checker      };   };      on mc_idle_e {        start mc_check_idle(); };   //======================= Below are mc_check() method =======================// actions when mc_change_e//===========================================================================      -- This event is used for checker   event mc_check_e;         -- check cycle of pwme when input change    mc_check() @mc_clkf is {         -- record the first cycle data         mc_speed_now_ori = getspeednow();      mc_target_speed_ori = gettargetspeed();      mc_min_speed_ori = getminspeed();      mc_pwme_ori = getpwme();       mc_state_ori = getstate();          if 'mc_reset_i' == 0 then {                if mc_pwme_upa == 0 then {                   if (mc_pwme_ori == 1 and mc_pwme_count <= mc_pwme_count_h_exp)               or (mc_pwme_ori == 0 and mc_pwme_count <= mc_pwme_count_l_exp) then {                            mc_pwme_count += 1;                         }           else{                         mc_pwme_count = 0;                         };         };       };                  wait [1];             -- record the second cycle pwme      mc_speed_now_dut = getspeednow();      mc_target_speed_dut = gettargetspeed();      mc_min_speed_dut = getminspeed();      mc_pwme_dut = getpwme();      mc_state_dut = getstate();      //======== Below are mc_pwme_count_h_exp and mc_pwme_count_l_exp ============      // Below statements are used to figure out what the expected pwme cycle       // according to the original input      //===========================================================================      if 'mc_reset_i' == 0 then {                if mc_speed_now_dut < mc_min_speed_dut then { -- in UPA mode                  mc_pwme_upa = 1;            mc_state_exp = 0;         }         else if mc_speed_now_dut >= mc_min_speed_dut and                  mc_speed_now_dut < mc_target_speed_dut then { -- in UPB mode                          mc_pwme_upa = 0;            mc_pwme_count_h_exp = 375;            mc_pwme_count_l_exp = 125;            mc_state_exp = 1;         }               else if mc_speed_now_dut == mc_target_speed_dut then { -- in FINAL mode                           mc_pwme_upa = 0;            mc_pwme_count_h_exp = 500;            mc_pwme_count_l_exp = 500;            mc_state_exp = 2;                  }               else if mc_speed_now_dut >= mc_target_speed_dut then { -- in DN mode                     mc_pwme_upa = 0;            mc_pwme_count_h_exp = 125;            mc_pwme_count_l_exp = 375;            mc_state_exp = 3;         }               else {            dut_error("\nThe wrong mode has occured!");          };              mc_check_checker_c = FALSE;         emit mc_check_e;      };   };     on mc_change_e {       start mc_check(); };//===================== Below are checkers ======================// respectively on reset, idle, and input change event//===============================================================   -- Define some items to cover the checkers   mc_reset_checker_c: bool;   keep soft mc_reset_checker_c == FALSE;   mc_timeout_checker_c: bool;   keep soft mc_timeout_checker_c == FALSE;   mc_idle_checker_c: bool;   keep soft mc_idle_checker_c == FALSE;   mc_check_checker_c: bool;   keep soft mc_check_checker_c == FALSE;    -- When reset, check the pwme   on mc_check_reset_e {           check that (mc_pwme_dut == 1) else      dut_error("\nWhen reset, the pwme is not high, but ", mc_pwme_dut);           mc_reset_checker_c = TRUE;   };      -- When idle, check the pwme      on mc_check_idle_e {            check that (mc_pwme_upa == 1 or (mc_pwme_upa == 0 and                  mc_pwme_count_h_ori == mc_pwme_count_h_dut and                   mc_pwme_count_l_ori == mc_pwme_count_l_dut)) else      dut_error("\nWhen the state does not change, the cycle of pwme changes!\nOriginal input is: speed now ",mc_speed_now_ori,"  target speed ",mc_target_speed_ori,"  min speed ",mc_min_speed_ori,"\nOriginal cycle of pwme is: ",mc_pwme_count_h_ori," -- high  ",mc_pwme_count_l_ori," -- low","\nReal pwme is: ",mc_pwme_count_h_dut," -- high  ",mc_pwme_count_l_dut," -- low");      mc_idle_checker_c = TRUE;   };      -- when input change, check the pwme   on mc_check_e {      --outf("\ncheck state change at %d", sys.time);      check that (mc_pwme_upa == 1 or (mc_pwme_upa == 0 and                  mc_pwme_count_h_dut <= mc_pwme_count_h_exp and                  mc_pwme_count_l_dut <= mc_pwme_count_l_exp)) else      dut_error("\nOriginal pwme is: ",mc_pwme_ori,"\nOriginal input is: speed now ",mc_speed_now_ori,"  target speed ",mc_target_speed_ori,"  min speed ",mc_min_speed_ori,"\nExpected pwme is: ",mc_pwme_count_h_exp," -- high  ",mc_pwme_count_l_exp," -- low","\nReal pwme is: ",mc_pwme_count_h_dut," -- high  ",mc_pwme_count_l_dut," -- low");      mc_check_checker_c = TRUE;   };      };'>