35 lines
866 B
Python
35 lines
866 B
Python
|
try:
|
||
|
|
import usocket as socket
|
||
|
|
except:
|
||
|
|
import socket
|
||
|
|
try:
|
||
|
|
import ustruct as struct
|
||
|
|
except:
|
||
|
|
import struct
|
||
|
|
|
||
|
|
# (date(2000, 1, 1) - date(1900, 1, 1)).days * 24*60*60
|
||
|
|
NTP_DELTA = 3155673600
|
||
|
|
|
||
|
|
def time():
|
||
|
|
NTP_QUERY = bytearray(48)
|
||
|
|
NTP_QUERY[0] = 0x1b
|
||
|
|
addr = socket.getaddrinfo('pool.ntp.org', 123)[0][-1]
|
||
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
||
|
|
s.settimeout(1)
|
||
|
|
res = s.sendto(NTP_QUERY, addr)
|
||
|
|
msg = s.recv(48)
|
||
|
|
s.close()
|
||
|
|
val = struct.unpack("!I", msg[40:44])[0]
|
||
|
|
return val - NTP_DELTA
|
||
|
|
|
||
|
|
# There's currently no timezone support in MicroPython, so
|
||
|
|
# utime.localtime() will return UTC time (as if it was .gmtime())
|
||
|
|
def settime():
|
||
|
|
t = time()
|
||
|
|
import machine
|
||
|
|
import utime
|
||
|
|
tm = utime.localtime(t)
|
||
|
|
tm = tm[0:3] + (0,) + tm[3:6] + (0,)
|
||
|
|
machine.RTC().datetime(tm)
|
||
|
|
print(utime.localtime())
|