update

SARA/sara.py

@@ -28,51 +28,58 @@ port='/dev/'+parameter[0] # ex: ttyAMA2
 command = parameter[1]  # ex: AT+CCID?
 timeout = float(parameter[2])  # ex:2
 
-ser = serial.Serial(
-    port=port,  #USB0 or ttyS0
-    baudrate=115200, #115200 ou 9600
-    parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
-    stopbits=serial.STOPBITS_ONE,
-    bytesize=serial.EIGHTBITS,
-    timeout = timeout
-)
-
-ser.write((command + '\r').encode('utf-8'))
-
-#ser.write(b'ATI\r')            #General Information
-#ser.write(b'AT+CCID?\r')       #SIM card number
-#ser.write(b'AT+CPIN?\r')       #Check the status of the SIM card
-#ser.write(b'AT+CIND?\r')       #Indication state (last number is SIM detection: 0 no SIM detection, 1 SIM detected, 2 not available)
-#ser.write(b'AT+UGPIOR=?\r')   #Reads the current value of the specified GPIO pin
-#ser.write(b'AT+UGPIOC?\r')     #GPIO select configuration
-#ser.write(b'AT+COPS=?\r')     #Check the network and cellular technology the modem is currently using
-#ser.write(b'AT+COPS=1,2,20801') #connext to orange
-#ser.write(b'AT+CFUN=?\r')     #Selects/read the level of functionality 
-#ser.write(b'AT+URAT=?\r')     #Radio Access Technology 
-#ser.write(b'AT+USIMSTAT?')
-#ser.write(b'AT+IPR=115200')           #Check/Define baud rate
-#ser.write(b'AT+CMUX=?')
-
-
-
 try:
+    ser = serial.Serial(
+        port=port,  #USB0 or ttyS0
+        baudrate=115200, #115200 ou 9600
+        parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
+        stopbits=serial.STOPBITS_ONE,
+        bytesize=serial.EIGHTBITS,
+        timeout = timeout
+    )
+
+    ser.write((command + '\r').encode('utf-8'))
+
+    #ser.write(b'ATI\r')            #General Information
+    #ser.write(b'AT+CCID?\r')       #SIM card number
+    #ser.write(b'AT+CPIN?\r')       #Check the status of the SIM card
+    #ser.write(b'AT+CIND?\r')       #Indication state (last number is SIM detection: 0 no SIM detection, 1 SIM detected, 2 not available)
+    #ser.write(b'AT+UGPIOR=?\r')   #Reads the current value of the specified GPIO pin
+    #ser.write(b'AT+UGPIOC?\r')     #GPIO select configuration
+    #ser.write(b'AT+COPS=?\r')     #Check the network and cellular technology the modem is currently using
+    #ser.write(b'AT+COPS=1,2,20801') #connext to orange
+    #ser.write(b'AT+CFUN=?\r')     #Selects/read the level of functionality 
+    #ser.write(b'AT+URAT=?\r')     #Radio Access Technology 
+    #ser.write(b'AT+USIMSTAT?')
+    #ser.write(b'AT+IPR=115200')           #Check/Define baud rate
+    #ser.write(b'AT+CMUX=?')
+
+
     # Read lines until a timeout occurs
     response_lines = []
-    while True:
-        line = ser.readline().decode('utf-8').strip()
-        if not line:
-            break  # Break the loop if an empty line is encountered
-        response_lines.append(line)
+    start_time = time.time()
+
+    while (time.time() - start_time) < timeout:
+        line = ser.readline().decode('utf-8', errors='ignore').strip()
+        if line:
+            response_lines.append(line)
+
+    # Check if we received any data
+    if not response_lines:
+        print(f"ERROR: No response received from {port} after sending command: {command}")
+        sys.exit(1)
 
     # Print the response
     for line in response_lines:
         print(line)
 
 except serial.SerialException as e:
-    print(f"Error: {e}")
-
+    print(f"ERROR: Serial communication error: {e}")
+    sys.exit(1)
+except Exception as e:
+    print(f"ERROR: Unexpected error: {e}")
+    sys.exit(1)
 finally:
-    if ser.is_open:
-        ser.close()
-        #print("Serial closed")
-
+    # Close the serial port if it's open
+    if 'ser' in locals() and ser.is_open:
+        ser.close()