| 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 |
| |
| host = "pool.ntp.org" |
| |
| def time(): |
| NTP_QUERY = bytearray(48) |
| NTP_QUERY[0] = 0x1b |
| addr = socket.getaddrinfo(host, 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()) |