Changes for page General Manual for -CB , -CS models
Last modified by Mengting Qiu on 2025/03/08 11:35
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... ... @@ -900,6 +900,8 @@ 900 900 901 901 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]] 902 902 903 + 904 + 903 903 904 904 == 6.4 What if the signal is good but the domain name resolution fails? == 905 905 ... ... @@ -906,8 +906,6 @@ 906 906 907 907 If the domain name resolution fails, first check whether the domain name is correct, users can use their own website domain name resolution tool to verify the domain name. 908 908 909 -[[image:image-20240827150705-6.png||height="489" width="687"]] 910 - 911 911 If the domain name is correct, but the domain name cannot be resolved, the user can turn off the domain name resolution function(AT+GDNS=1) and use the domain name communication directly. 912 912 913 913 * Set the DNS ... ... @@ -916,76 +916,17 @@ 916 916 917 917 **AT+GDNS=0** ~/~/Default. Automatically resolves the domain name and uses the resolved IP to communicate. 918 918 919 -**AT+GDNS=1 919 +**AT+GDNS=1 **~/~/Disabling Domain name resolution. Use the domain name directly to communicate. 920 920 921 921 (% style="color:red" %)**Note: For -CB products, with the exception of AT+PRO=2,5, all protocols and payload formats support direct domain communication.** 922 922 923 923 Example: 924 924 925 -[[image:image-20240827150121-5.png||height="476" width="680"]][[image:image-20240827145055-4.png||height="484" width="678"]] 926 926 927 927 928 -== 6.5 GPS debugging == 929 929 930 930 931 -The following are three related AT commands that introduce GPS functions. 932 932 933 -* **Turn on/off GPS** 934 934 935 -(% style="color:blue" %)**AT Command: **(% style="color:#037691" %)**AT+GPS ** 936 936 937 -**Ex1: **AT+GPS=0 ~/~/ Turn off GPS 938 - 939 -**Ex2: **AT+GPS=1 ~/~/ Turn on GPS 940 - 941 -(% style="color:blue" %)**Downlink command:**(%%)** (% style="color:#037691" %)0x11(%%)** 942 - 943 -Format: Command Code (0x11) followed by 1 byte. 944 - 945 -Example: Downlink Payload: **11 01 **~/~/ AT+GPS=1 946 - 947 - 948 -* **Set GNSS open time** 949 - 950 -Extend the time to turn on GNSS. The automatic GPS location time is extended when the node is activated. 951 - 952 -(% style="color:blue" %)**AT Command: **(% style="color:#037691" %)**AT+GNSST** 953 - 954 -Example: AT+GNSST=30 ~/~/ Set the GPS positioning time to 30 seconds 955 - 956 -(% style="color:blue" %)**Downlink command:**(%%)** (% style="color:#037691" %)0x10(%%)** 957 - 958 -Format: Command Code (0x10) followed by 2 bytes. 959 - 960 -Example: Downlink Payload: **10 00 1E **~/~/ AT+GNSST=30 961 - 962 - 963 -* **Set GPS positioning interval** 964 - 965 -Feature: Set GPS positioning interval (unit: hour). 966 - 967 -When GPS is enabled, the node automatically locates and uplinks each time it passes **GTDC time** after activation. 968 - 969 -(% style="color:blue" %)**AT Command: **(% style="color:#037691" %)**AT+GTDC** 970 - 971 -Example: AT+GTDC=24 ~/~/ Set the GPS positioning interval to 24h. 972 - 973 -(% style="color:blue" %)**Downlink command:**(%%)** (% style="color:#037691" %)0x12(%%)** 974 - 975 -Format: Command Code (0x12) followed by 3 bytes. 976 - 977 -Example: 24 hours: 24(D)=0x18(H) 978 - 979 - Downlink Payload: **12 00 00 18 **~/~/ AT+GTDC=24 980 - 981 - 982 -Indoor GPS signal is very weak, outdoor positioning is generally recommended. 983 - 984 - 985 - 986 - 987 - 988 - 989 - 990 - 991 991
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