first commit for the sender side

generator.py

@@ -0,0 +1,39 @@
+# sender/generator.py — generates realistic solar sensor data strings
+
+import random
+import time
+
+
+DOOR_STATES = ["OPEN", "CLOSE"]
+
+
+def generate_data(device_id: str) -> str:
+    
+    ts   = int(time.time())
+    sv   = round(random.uniform(40.0, 55.0), 1)
+    si   = round(random.uniform(0.0, 40.0), 1)
+    sp   = random.randint(0, 2200)
+    bv   = round(random.uniform(44.0, 58.0), 2)
+    bcur = round(random.uniform(-30.0, 30.0), 1)
+    bsoc = random.randint(0, 100)
+    bsoh = random.randint(80, 100)
+    bt   = round(random.uniform(10.0, 50.0), 1)
+    at   = round(random.uniform(15.0, 45.0), 1)
+    door = random.choice(DOOR_STATES)
+
+    message = (
+        f"ID={device_id},"
+        f"TS={ts},"
+        f"SV={sv},"
+        f"SI={si},"
+        f"SP={sp},"
+        f"BV={bv},"
+        f"BCUR={bcur},"
+        f"BSOC={bsoc},"
+        f"BSOH={bsoh},"
+        f"BT={bt},"
+        f"AT={at},"
+        f"DOOR={door}"
+        f"\0"  
+    )
+    return message