LPWA Module Series
BG95&BG77&BG600L Series TCP/IP Application Note
BG95&BG77&BG600L_Series_TCP/IP_Application_Note 21 / 56
Parameter
<query_type>
Integer type. Query type.
0
Query connection status of all socket services in a specified context
1
Query connection status of a specified socket service
<contextID>
Integer type. Context ID. Range: 1
–16.
<connectID>
Integer type. Socket service index. Range: 0
–11.
<service_type>
String type. The socket service type.
"TCP"
Start a TCP connection as a client
"UDP"
Start a UDP connection as a client
"TCP LISTENER"
Start a TCP server to listen for TCP incoming connections
"TCP INCOMING"
Start a TCP connection accepted by a TCP server
"UDP SERVICE"
Start a UDP service
<IP_address>
String type. IP address.
If
<service_type>
is "TCP" or "UDP", it is the IP address of a remote server.
If
<service_type>
is "TCP LISTENER" or "UDP SERVICE", it is the local IP
address.
If
<service_type>
is "TCP INCOMING", it is the IP address of a remote client.
<remote_port>
Integer type. Remote port number.
If
<service_type>
is "TCP" or "UDP", it is the port of a remote server.
If
<service_type>
is "TCP LISTENER" or "UDP SERVICE", the port is invalid.
If
<service_type>
is "TCP INCOMING", it is the port of a remote client.
<local_port>
Integer type. Local port number.
If
<local_port>
is 0, then the local port is assigned automatically.
<socket_state>
Integer type. Socket service status.
0
"Initial": connection has not been established
1
"Opening": client is connecting or server is trying to listen
2
"Connected": client/incoming connection has been established
3
"Listening": server is listening
4
"Closing": connection is closing
<serverID>
Integer type. Only valid when
<service_type>
is "TCP INCOMING".
<serverID>
represents the ID of the server that accepts this TCP incoming connection, and the
value is the same as
<connectID>
of "TCP LISTENER".
<access_mode>
Integer type. Data access mode.
0
Buffer access mode
1
Direct push mode
2
Transparent transmission mode
<AT_port>
String type. COM port of socket service.
"usbmodem"
USB modem port
"uart1"
UART1 port