# import mywifi
from machine import Timer
# import esp_mqtt
import struct
import os
import time

class Client():
    def __init__(self):
        self.data = os.urandom(1)
    
    def push(self):
        self.data=os.urandom(1)
        print("upload:", self.data)

    
class Test():
    def __init__(self) -> None:
        temp = struct.unpack('!BBBB', os.urandom(4))
        print(temp)
        self.timer = Timer(-1)
        print("self", self)
        
        self.client = Client()
        # # 每 2000ms 定时回调一次 self.upload_data()
        self.timer.init(period=2000, mode=Timer.PERIODIC, callback=self.publish_timer_callback)
        self.count = 0
        
    def publish_timer_callback(self, timer):
        self.count += 1
        print("upload:", self.count)
        print("self", self.client)
        self.client.push()
        print("self.client")
        print("self.timer:", self.timer)
    
        

    
test_ob = Test()