chumicro-ntp¶

from chumicro_ntp import NTPClient
from chumicro_sockets import udp_socket
from chumicro_timing import ticks_ms
from chumicro_wifi import WifiConfig, WifiService

# The board has to be on the network first; this is the chumicro-wifi
# service from the ChuMicro quick start.  Drive it from your loop until
# wifi.connected is True, then open the socket.  CircuitPython takes the
# radio from the service; MicroPython and CPython take no radio at all.
wifi = WifiService(WifiConfig(ssid="home-wifi", password="…"))
sock = udp_socket(radio=wifi.adapter.radio)
sock.setblocking(False)

client = NTPClient(socket=sock, server="pool.ntp.org")
request = client.query()
while not request.done:
    now = ticks_ms()
    if client.check(now):
        client.handle(now)
print("unix seconds:", request.unix_seconds)