project/reader.py

+'''
+| Project:          Moduleit-M5Stack
+| File:             reader.py
+| Author:           Abdulrahman Othman
+| Created:          01.08.2023
+| Last Modified:    03.02.2024
+'''
 from machine import UART, Pin
-from time import sleep, sleep_ms
+from time import sleep_ms
 
+'''
+' M5Stack Commands
+'''
 M5C = {
     "hardware_version" : [0xBB, 0x00, 0x03, 0x00, 0x01, 0x00, 0x04, 0x7E],
     "start_multi_plling": [0xBB,0x00,0x27,0x00,0x03,0x22,0x27,0x10,0x83,0x7E],
     "start_single_polling": [0xBB,0x00,0x22,0x00,0x00,0x22,0x7E],
     "stop_multid_polling" : [0xBB,0x00,0x28,0x00,0x00,0x28,0x7E]
 }
-
+'''
+' Reader Class to run M5Stack
+'''
 class Reader:
+
+    '''
+    ' In Constructor only object instance of UART Protocol
+    '''
     def __init__(self, baudrate: int, tx_pin: int, rx_pin: int):
         self.__uart = UART(0, baudrate=baudrate, tx=Pin(tx_pin), rx=Pin(rx_pin))
         self.init_reader()
 
+    '''
+    ' Send command to read tags
+    '''
     def _send_command(self, command: list):
         self.__uart.write(bytearray(command))
         sleep_ms(50)  # Allow time for the command to be processed
 
+    '''
+    ' Init function to check reader functionality
+    '''
     def init_reader(self):
         self._send_command(M5C['hardware_version'])
         response = self.__uart.read()
@@ -25,7 +47,9 @@ class Reader:
         else:
             return "Init Error => {}".format(response)
 
-
+    '''
+    ' catch epc's once avalible reader functionality
+    '''
     def read_epc(self):
         if self.__uart.any():
             resp = self.__uart.read()