| 1 | #!/usr/bin/env python |
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| 2 | # |
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| 3 | # LIP6 |
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| 4 | # University Pierre & Marie Curie - UPMC |
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| 5 | # 4, place Jussieu 75252 Paris Cedex 05 |
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| 6 | # France |
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| 7 | # |
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| 8 | # +-----------------------------------------------------------------+ |
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| 9 | # | | |
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| 10 | # | M a s t e r S E S I | |
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| 11 | # | U E T O O L S - T M E 3 | |
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| 12 | # | | |
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| 13 | # | Author . . . . . . . . . . . . . . . . . . Sophie Belloeil | |
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| 14 | # | Status . . . . . . . . . . . . . . . . . . . . . "./mux.py" | |
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| 15 | # | Version . . . . . . . . . . . . . . . . . . . . . . . 1.0 | |
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| 16 | # | Date . . . . . . . . . . . . . . . . . . . January 08 2010 | |
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| 17 | # | | |
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| 18 | # +-----------------------------------------------------------------+ |
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| 19 | |
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| 20 | |
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| 21 | from stratus import * |
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| 22 | |
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| 23 | |
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| 24 | class mux ( Model ) : |
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| 25 | |
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| 26 | def Interface ( self ): |
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| 27 | # Recuperation du parametre "nbit". |
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| 28 | self.n = self._param['nbit'] |
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| 29 | |
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| 30 | # Declaration des connecteurs. |
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| 31 | self.i0 = SignalIn ( "i0" , self.n ) |
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| 32 | self.i1 = SignalIn ( "i1" , self.n ) |
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| 33 | self.cmd = SignalIn ( "cmd" , 1 ) |
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| 34 | self.s = SignalOut ( "s" , self.n ) |
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| 35 | self.vdd = VddIn ( "vdd" ) |
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| 36 | self.vss = VssIn ( "vss" ) |
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| 37 | return |
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| 38 | |
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| 39 | def Netlist ( self ) : |
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| 40 | # Instanciation du vecteur de 'n' multiplexeurs. |
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| 41 | for i in range ( self.n ) : |
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| 42 | Inst ( "mx2_x2" |
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| 43 | , map = { 'i0' : self.i0[i] |
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| 44 | , 'i1' : self.i1[i] |
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| 45 | , 'cmd' : self.cmd |
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| 46 | , 'q' : self.s[i] |
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| 47 | , 'vdd' : self.vdd |
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| 48 | , 'vss' : self.vss |
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| 49 | } |
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| 50 | ) |
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| 51 | return |
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| 52 | |
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| 53 | def Pattern ( self ) : |
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| 54 | # Nom du fichier de pattern. |
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| 55 | pat = PatWrite(self._name+'.pat',self) |
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| 56 | |
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| 57 | # Declaration de l'interface. |
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| 58 | pat.declar ( self.i0 , 'X' ) |
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| 59 | pat.declar ( self.i1 , 'X' ) |
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| 60 | pat.declar ( self.cmd, 'B' ) |
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| 61 | pat.declar ( self.s , 'X' ) |
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| 62 | |
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| 63 | pat.declar ( self.vdd, 'B' ) |
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| 64 | pat.declar ( self.vss, 'B' ) |
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| 65 | |
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| 66 | # Debut de la description des patterns. |
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| 67 | pat.pattern_begin () |
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| 68 | |
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| 69 | # Affectation des valeurs. |
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| 70 | pat.affect_int ( self.vdd, 1 ) |
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| 71 | pat.affect_int ( self.vss, 0 ) |
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| 72 | |
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| 73 | # Triple boucle: pour toutes les valeurs de i0 & i1 on teste |
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| 74 | # la valeur en sortie du multiplexeur suivant la commande. |
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| 75 | for value_i0 in range ( self.n ) : |
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| 76 | for value_i1 in range ( self.n ) : |
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| 77 | for value_c in range ( 2 ) : |
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| 78 | pat.affect_int ( self.i0 , value_i0 ) |
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| 79 | pat.affect_int ( self.i1 , value_i1 ) |
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| 80 | pat.affect_int ( self.cmd, value_c ) |
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| 81 | if value_c == 1 : pat.affect_int ( self.s, value_i1 ) |
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| 82 | else : pat.affect_int ( self.s, value_i0 ) |
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| 83 | # Ajout du pattern |
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| 84 | pat.addpat () |
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| 85 | |
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| 86 | del pat |
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| 87 | return |
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