functionalities

api_server/app.py

@@ -184,6 +184,21 @@ def release(obj):
     PROCESS_BASE.cmd_q().put({'cmd': "release", "args": obj})
     return "OK"
 
+@app.route('/pause/<obj>')
+def pause_simulation(obj):
+    if not PROCESS_BASE.known():
+        return "Unknown", 401
+
+    PROCESS_BASE.cmd_q.put({'cmd': "pause", "arg": obj})
+    return "Simulation paused"
+
+@app.route('/resume/<obj>')
+def resume_simulation(obj):
+    if not PROCESS_BASE.known():
+        return "Unknown", 401
+
+    PROCESS_BASE.cmd_q.put({'cmd': "resume", "arg": obj})
+    return "Simulation resumed"
 
 def just_run():
     """

api_server/state.py

@@ -3,6 +3,10 @@ import json
 
 class State(object):
     IGNORE = frozenset(['Coude', 'Noeud', 'P24', 'P0', 'Pulse'])
+    # these components do not have any states (value/ true or flase...)
+
+    Breakpoints = ['Relais']
+    #possibility to add other breakpoints in the future ;) 
  
     def __init__(self, cocosim_server):
         self.cocosim_server = cocosim_server
@@ -39,3 +43,4 @@ class State(object):
 
     def reset_exception(self):
         self._exception = None
+

api_worker/__init__.py

@@ -14,6 +14,7 @@ class CocosimInstance(object):
             conf_fp = open("modele/config.json")
             conf = json.load(conf_fp)
 
+            self.pause_simulation = False  #pause flag
             self.conf = conf
             self.dt = self.conf['circuit']['DT']
             self.cocosim = None
@@ -47,15 +48,19 @@ class CocosimInstance(object):
             if message == "start":
                 logging.log(logging.INFO, "Starting")
                 self.runner = asyncio.create_task(self.run())
+                
             elif message == "stop":
                 logging.log(logging.INFO, "Stopping")
                 await self.stop()
+
             elif message == "state":
                 self.state_q.put(self.state.to_json())
+
             elif message == "quit":
                 logging.log(logging.INFO, "Quitting")
                 await self.stop()
                 self.quit = True
+
             elif message == "load":
                 logging.log(logging.INFO, "Loading file")
                 try:
@@ -63,6 +68,17 @@ class CocosimInstance(object):
                     self.state_q.put("OK")
                 except GraphStructException:
                     self.state_q.put("Error")
+
+            elif message == "pause":
+                but_name = data['args']
+                logging.log(logging.INFO,"Simulation paused {but_name}")
+                self.pause_simulation = True
+
+            elif message == "resume":
+                but_name = data['args']
+                logging.log(logging.INFO,"Simulation resumed {but_name}")
+                self.pause_simulation = False
+
             elif message == "push":
                 but_name = data['args']
                 logging.log(logging.INFO, f"Push button {but_name}")
@@ -103,12 +119,17 @@ class CocosimInstance(object):
 
     async def run(self):
         try:
-            while True:
+            while not self.quit:
+                if not self.pause_simulation:
                     self.state.reset_exception()
                     self.cycle()
+                else: 
+                    print("Simulation paused. Awaiting resume...")
+                    while self.pause_simulation:
+                        await asyncio.sleep(1)  #wait until the simulation is resumed
                 await asyncio.sleep(self.dt)
-        except:
-            logging.exception("Exception occured in 'cycle'")
+        except Exception as e:
+            logging.exception("Exception occured during simulation run")
 
     async def stop(self):
         if self.runner:

cocosim.log

@@ -1,19 +1,2 @@
 INFO:root:Creating instance
-INFO:root:Loading file
-INFO:root:Setting up
-INFO:root:Schema is loaded
-INFO:root:State is made up with 5 items.
-INFO:root:Graph is initialized.
-INFO:root:Cocosim is initialized
-INFO:root:Starting
-INFO:root:Push button b
-INFO:root:Release button b
-INFO:root:Stopping
-ERROR:root:Exception occured in 'cycle'
-Traceback (most recent call last):
-  File "C:\Users\0203209E\Downloads\gittea\cocosim_python\api_worker\__init__.py", line 109, in run
-    await asyncio.sleep(self.dt)
-  File "C:\Program Files\Python312\Lib\asyncio\tasks.py", line 655, in sleep
-    return await future
-           ^^^^^^^^^^^^
-asyncio.exceptions.CancelledError
+INFO:root:Cocosim instance destroyed

modele/composants.py

@@ -1,6 +1,5 @@
 from modele.exceptions import NonPolariseException, Dir
 
-
 class Composant(object):
     def __init__(self, conf, nom):
         """
@@ -39,6 +38,10 @@ class Composant(object):
     def etat(self):
         raise NotImplementedError
     
+    def pause_simulation(self):
+
+        pass
+
 
 class Contact(Composant):
     def __init__(self, conf, nom, contact_type):
@@ -117,6 +120,8 @@ class Relais(Composant):
         self._contacts_repos = []
         self._contacts_double = []
         self.haut = False
+        self.etat_precedent = False #etat precedent du relais
+        self.est_point_arret = False   #indicateur de point d'arret
 
     def add_travail(self, nom):
         self._contacts_travail.append(nom)
@@ -150,12 +155,16 @@ class Relais(Composant):
             self.graphe[nom].desactive()
 
     def update(self):
+        etat_precedent = self.haut
         super().update()
         if self.branche.i() >= self.SEUIL:
             self.monte()
         else:
             self.chute()
 
+        if self.est_point_arret and etat_precedent != self.haut:
+            self.graphe.flag_arret_simulation = True
+
     def etat(self):
         return self.haut
 

modele/config.json

@@ -13,7 +13,8 @@
       "RES_RELAIS": 100.0,
       "SEUIL_RELAIS": 0.05,
       "SEUIL_TEMPO": 0.05,
-      "PULSE_PERIODE": 1.0
+      "PULSE_PERIODE": 1.0,
+      "TOLERANCE_COURANT": 1e6
     },
     "ui": {
       "DT": 0.13,

modele/elements.py

@@ -140,6 +140,26 @@ class Noeud(Element):
         return self.u() >= self.conf['USEUIL']
     
 
+
+    def verifier_loi_des_noeuds(self):
+
+        """Dans cette méthode, self._voisins contient les branches connectées au nœud, et polarite indique si le courant est entrant (-1) ou sortant (+1). 
+        La variable courant_total accumule la somme des courants, et self.conf['TOLERANCE_COURANT'] est une petite valeur seuil pour tolérer des imprécisions
+          numériques (par exemple, 1e-6)."""
+        
+        courant_total = 0
+        for voisin, polarite, _ in self._voisins:
+            if polarite == -1:
+                courant_total -= voisin.i()
+            else:
+                courant_total += voisin.i()
+
+        if abs(courant_total) > self.conf['TOLERANCE_COURANT']:
+            raise Exception(f"La loi des nœuds n'est pas respectée pour le noeud {self.nom}. Total courant: {courant_total}")
+
+
+
+
 class Branche(Element):
     """
     Branche du graphe.

modele/graphe.py

@@ -38,6 +38,7 @@ class Graphe(object):
         self.elements = None
         self.composants = None
         self.vecteur = None
+        self.flag_arret_simulation = False 
 
     def load_data_from_schema_reader(self, reader):
         self.elements = {}

schemas_v1/output-file.ccs

@@ -0,0 +1 @@
+{"blocs":{"p24-1":{"type":"P24","valeur":24,"orientation":0,"x":0,"y":500},"p24-2":{"type":"P24","valeur":24,"orientation":0,"x":0,"y":300},"p0-1":{"type":"P0","valeur":0,"orientation":0,"x":1200,"y":500},"p0-2":{"type":"P0","valeur":0,"x":1200,"y":300},"r1":{"type":"Relais","x":400,"y":500},"r2":{"type":"Relais","x":1000,"y":500},"c3":{"type":"Bouton","x":200,"y":500,"orientation":0},"r2.double":{"type":"ContactDouble","relais":"r2","orientation":0,"x":1000,"y":300},"w1":{"type":"Lampe","x":600,"y":500},"w2":{"type":"Lampe","x":600,"y":300},"n1":{"type":"Noeud","x":800,"y":500},"coude1":{"type":"Coude","x":800,"y":310}},"cables":[["p24-1","d","c3","g"],["c3","d","r1","g"],["r1","d","w1","g"],["w1","d","n1","m"],["n1","m","r2","g"],["r2","d","p0-1","g"],["n1","m","coude1","m"],["coude1","m","r2.double","hg"],["r2.double","d","p0-2","g"],["p24-2","d","w2","g"],["w2","d","r2.double","bg"]]}

schemas_v1/output-file11.ccs

@@ -0,0 +1 @@
+{"blocs":{"p24-1":{"type":"P24","valeur":24,"orientation":0,"x":0,"y":500},"p24-2":{"type":"P24","valeur":24,"orientation":0,"x":0,"y":300},"p0-1":{"type":"P0","valeur":0,"orientation":0,"x":1200,"y":500},"p0-2":{"type":"P0","valeur":0,"x":1200,"y":300},"r1":{"type":"Relais","x":400,"y":500},"r2":{"type":"Relais","x":1000,"y":500},"c3":{"type":"Bouton","x":200,"y":500,"orientation":0},"r2.double":{"type":"ContactDouble","relais":"r2","orientation":0,"x":1000,"y":300},"w1":{"type":"Lampe","x":600,"y":500},"w2":{"type":"Lampe","x":600,"y":200},"n1":{"type":"Noeud","x":800,"y":500},"coude1":{"type":"Coude","x":800,"y":310}},"cables":[["p24-1","d","c3","g"],["c3","d","r1","g"],["r1","d","w1","g"],["w1","d","n1","m"],["n1","m","r2","g"],["r2","d","p0-1","g"],["n1","m","coude1","m"],["coude1","m","r2.double","hg"],["r2.double","d","p0-2","g"],["p24-2","d","w2","g"],["w2","d","r2.double","bg"]]}