on message 0x11
{
  byte msg_bytes[8];
  int i;
  for(i=0;i<8;i++)
  {
    msg_bytes[i] = this.byte(i);
  }
}  

def OnEvent_1():
    print("callback up")

def TriggerFunc(fn):
    fn()

if __name__ == "__main__":
    TriggerFunc(OnEvent_1)

import time
import threading

def OnEvent_1(): # 事件函數1
    print("OnEvent_1 up")

def OnEvent_2(): # 事件函數2
    print("OnEvent_2 up")

class RegistEvents(): # 全局變量，存入事件函數指針和對應的觸發條件
    registEvents = {} # 存入key:value，key是事件函數指針，value是觸發此事件函數的條件

def TriggerFunc(): # 異步函數，用來監測觸發條件是否觸發，如果觸發就執行對應的函數
    currentRegistEvents = {} # 當前的事件和對應條件存入這里
    for event in RegistEvents.registEvents.keys():
        currentRegistEvents[event] = RegistEvents.registEvents[event]
    while True:
        time.sleep(0.01)
        for event in RegistEvents.registEvents.keys():
            if currentRegistEvents[event] != RegistEvents.registEvents[event]:
                event()
                currentRegistEvents[event] = RegistEvents.registEvents[event]

if __name__ == "__main__":
    RegistEvents.registEvents[OnEvent_1] = 0 # 對事件函數OnEvent_1和它的條件進行委托
    RegistEvents.registEvents[OnEvent_2] = 0 # 對事件函數OnEvent_2和它的條件進行委托
    t = threading.Thread(target = TriggerFunc) # 對監測觸發條件的函數創建線程，異步執行
    t.start()
    time.sleep(1)
    RegistEvents.registEvents[OnEvent_1] = 1 # 觸發條件本來是0，現在設置為1
    RegistEvents.registEvents[OnEvent_2] = 1
    time.sleep(1)
    RegistEvents.registEvents[OnEvent_1] = 2 # 觸發條件本來是1，現在設置為2
    RegistEvents.registEvents[OnEvent_2] = 2