AT Commands For NTP
No | Command | Description |
L1501 | AT+CNTP | Update system time |
L1401 AT+CNTP Update System Time
T) AT+CNTP=? |
+CNTP: 255,(-96~96) OK |
R) AT+CNTP? |
+CNTP: <host>,<timezone> OK |
W) AT+CNTP=”<host>”[,<timezone>] |
OK or ERROR |
E) AT+CNTP |
+CNTP: <host>,<timezone> OK or ERROR |
<host> | NTP server address, length is 255. |
<timezone> | Local time zone, the range is(-96 to 96), default value is 0. |
Example |
AT+CNTP=”202.120.2.101″,32 OK AT+CNTP OK +CNTP: 0 |
Code of <err>
0 | Operation succeeded |
1 | Unknown error |
2 | Wrong parameter |
3 | Wrong date and time calculated |
4 | Network error |
5 | Time zone error |
6 | Time out error |