add ccid to log

pojo/serial_modem.py

@@ -1,3 +1,4 @@
+import logging
 from dataclasses import dataclass
 
 from gsmmodem import GsmModem
@@ -13,14 +14,15 @@ class SerialModem():
     def __init__(self, modem: GsmModem, ccid: str = None):
         self.modem = modem
         self.ccid = ccid
+        self.logger = logging.getLogger("SerialModem")
 
     def get_ccid(self):
         cmd = "AT+CCID"
         self.modem.connect("0000")
-        print("try to get ccid")
+        self.logger.info("try to get ccid")
         response = self.modem.write(cmd, True)
         self.ccid = response[0].split(" ")[1].replace("\"", "")
-        print("The SIM card ccid is:" + self.ccid)
+        self.logger.info("The SIM card ccid is:" + self.ccid)
         # print("try to get phone number")
         # cmd_phone_number = "AT+CPBS=ON"
         # openBook = self.modem.write(cmd_phone_number, True)