[WIP] Пробуем считать данные с платы

main.py

@@ -1,23 +1,24 @@
 from fastapi import FastAPI
 from pymodbus.client import ModbusSerialClient
-import time
 import threading
-from queue import Queue
+import time
 
-serial_port = "COM4"  
+serial_port = "COM5"  
 baud_rate = 9600
 modbus_client = ModbusSerialClient(method='rtu', port=serial_port, baudrate=baud_rate)
 
-modbus_queue = Queue()
+modbus_data = "0"
 
 def poll_modbus():
+    global modbus_data
+    modbus_client.connect()  
     while True:       
-        if modbus_client.connect():
+        response = modbus_client.read_holding_registers(0, 1, unit=1)  
-            response = modbus_client.read_holding_registers(address=0, count=1, unit=1)
+        if not response.isError():    
-            if not response.isError():
+            modbus_data = response.registers[0]
-                modbus_queue.put(response.registers[0])
+        print(modbus_data)            
-            modbus_client.close()
+          
-        time.sleep(1)  
+
 
 threading.Thread(target=poll_modbus, daemon=True).start()
 
@@ -25,16 +26,11 @@ app = FastAPI()
 
 @app.get("/modbus_data")
 async def get_modbus_data():
-    if not modbus_queue.empty():
+        return {"modbus_data": modbus_data}
-        modbus_value = modbus_queue.get()  
-        return {"modbus_data": modbus_value}
-    else:
-        return {"error": "No data received"}
 
 @app.get("/")
 async def root():
-    return {"message": "Welcome to Modbus with FastAPI"}
+    return {"message": "Welcome to FastAPI with Modbus"}
-
 
 if __name__ == "__main__":
     import uvicorn