from machine import Pin
from machine import Timer
import time

class LedShow1:#*********
    def __init__(self):
        # 初始化四個不同的LED燈引腳
        self.p0 = Pin(15, Pin.OUT)#*********
        self.p1 = Pin(2, Pin.OUT)#*********
        self.p2 = Pin(4, Pin.OUT)#*********

        self.LedList = [self.p0, self.p1, self.p2]       
        # LED燈的不同模式
        self.led_patterns = ['000', '111']#*********
        #狀態計數器
        self.count = 0

    def ShowLed(self, pattern):
        for i, v in enumerate(pattern):
            self.LedList[i].value(int(v))

    def LedEffect(self, timer):
        # 切換LED燈的狀態
        self.ShowLed(self.led_patterns[self.count])
        self.count = (self.count + 1) % 2#*********

    def run(self, dt):
        # 初始化定時器並啟動LED效果
        self.tim = Timer(0)#*********
        self.tim.init(period=dt, mode=Timer.PERIODIC, callback=self.LedEffect)

#------------------------------------------
if __name__ == "__main__":
    fsm = LedShow1()
    fsm.run(500)

    start = time.ticks_ms() # get millisecond counter
    while True:
        delta = time.ticks_diff(time.ticks_ms(), start) # compute time difference
        print(start,delta)
        time.sleep(2.0)