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AnnexF/fwd_rev_mon_st.txt
author Manuele Conti <conti.ma@alice.it>
Mon, 30 Jul 2012 22:59:00 +0200
changeset 622 eaa49b276e17
parent 0 fb772792efd1
permissions -rwxr-xr-x
Add check bison version in configure.ac file.
To build correctly matiec we need bison greater or equals than 2.4 version.
Now the "configure" script is able to check if system has correctly requirements.
0
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FUNCTION_BLOCK FWD_REV_MON
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VAR_INPUT AUTO : BOOL ;(* Enable automated commands *)
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  ACK : BOOL ;         (* Acknowledge/cancel all alarms *)
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  AUTO_FWD : BOOL ;    (* Automated forward command *)
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  MAN_FWD : BOOL ;     (* Manual forward command *)
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  MAN_FWD_CHK : BOOL ; (* Negated MAN_FWD for debouncing *)
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  T_FWD_MAX : TIME ;  (* Maximum time from FWD_CMD to FWD_FDBK *)
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  FWD_FDBK : BOOL ;    (* Confirmation of FWD_CMD completion *)
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                       (*   by operative unit *)
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  AUTO_REV : BOOL ;    (* Automated reverse command *)
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  MAN_REV : BOOL ;     (* Manual reverse command *)
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  MAN_REV_CHK : BOOL ; (* Negated MAN_REV for debouncing *)
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  T_REV_MAX : TIME ;  (* Maximum time from REV_CMD to REV_FDBK *)
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  REV_FDBK : BOOL ;    (* Confirmation of REV_CMD completion *)
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END_VAR                (*    by operative unit *)
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VAR_OUTPUT KLAXON : BOOL ;      (* Any alarm active *)
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  FWD_REV_ALRM : BOOL; (* Forward/reverse command conflict *)
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  FWD_CMD : BOOL ;     (* "Forward" command to operative unit *)
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  FWD_ALRM : BOOL ;    (* T_FWD_MAX expired without FWD_FDBK *)
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  REV_CMD : BOOL ;     (* "Reverse" command to operative unit *)
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  REV_ALRM : BOOL ;    (* T_REV_MAX expired without REV_FDBK *)
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END_VAR
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VAR FWD_MON : CMD_MONITOR; (* "Forward" command monitor *)
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  REV_MON : CMD_MONITOR;   (* "Reverse" command monitor *)
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  FWD_REV_FF : SR ;      (* Forward/Reverse contention latch *)
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END_VAR
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(* Function Block body *)
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(* Evaluate internal function blocks *)
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  FWD_MON    (AUTO_MODE   := AUTO,
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              ACK         := ACK,
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              AUTO_CMD    := AUTO_FWD,
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              MAN_CMD     := MAN_FWD,
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              MAN_CMD_CHK := MAN_FWD_CHK,
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              T_CMD_MAX   := T_FWD_MAX,
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              FDBK        := FWD_FDBK);
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  REV_MON    (AUTO_MODE   := AUTO,
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              ACK         := ACK,
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              AUTO_CMD    := AUTO_REV,
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              MAN_CMD     := MAN_REV,
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              MAN_CMD_CHK := MAN_REV_CHK,
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              T_CMD_MAX   := T_REV_MAX,
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              FDBK        := REV_FDBK);
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  FWD_REV_FF (S1 := FWD_MON.CMD & REV_MON.CMD, R := ACK);
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(* Transfer data to outputs *)
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  FWD_REV_ALRM := FWD_REV_FF.Q1;
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  FWD_CMD := FWD_MON.CMD & NOT FWD_REV_ALRM;
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  FWD_ALRM := FWD_MON.ALRM;
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  REV_CMD := REV_MON.CMD & NOT FWD_REV_ALRM;
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  REV_ALRM := REV_MON.ALRM;
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  KLAXON := FWD_ALRM OR REV_ALRM OR FWD_REV_ALRM;
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END_FUNCTION_BLOCK













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