# 导入相关模块
from machine import Pin, I2C, RTC,Timer
from ssd1306 import SSD1306_I2C
# 定义星期和时间（时分秒）显示字符列表
week = ['Mon', 'Tues', 'Wed', 'Thur', 'Fri', 'Sat', 'Sun']

time_list = ['', '', '']

i2c = I2C(sda=Pin(13), scl=Pin(14)) #I2C 初始化：sda-->13, scl -->14
oled = SSD1306_I2C(128, 64, i2c, addr=0x3c)
rtc = RTC()

if rtc.datetime()[0] != 2019:
 rtc.datetime((2023, 11, 15, 4, 8, 19, 0, 0))
def RTC_Run(tim):
 datetime = rtc.datetime() 
 oled.fill(0) 
 oled.text('01Studio', 0, 0)
 oled.text('RTC Clock', 0, 15) 

 oled.text(str(datetime[0]) + '-' + str(datetime[1]) + '-' + 
str(datetime[2]) + ' ' + week[datetime[3]], 0, 40)

 for i in range(4, 7):
    if datetime[i] < 10:
        time_list[i - 4] = "0"
    else:
        time_list[i - 4] = ""
 # 显示时间
 oled.text(time_list[0] + str(datetime[4]) + ':' + time_list[1] + 
str(datetime[5]) + ':' + time_list[2] + str(datetime[6]), 0, 55)
 oled.show()

tim = Timer(-1)
tim.init(period=300, mode=Timer.PERIODIC, callback=RTC_Run) #周期 300ms