Neoway M590E - Receiving TCP Data: +TCPRECV; Closing TCP Connection: +TCPCLOSE; Setting up UDP Connection: +UDPSETUP

Neo_M590E V1 GPRS Module AT Command Set
Copyright © Neoway Technology Co., Ltd
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Remarks

Ensure that the TCP connection has been set up before sending TCP data.

It is recommended that you use the
AT+IPSTATUS
command to check the buffer
size before sending data.

Network congestion can result in sending failure.

Before > is 0x0d, 0x0a.
3.4 Receiving TCP Data: +TCPRECV
Description
To receive TCP data
Format
+TCPRECV:<n>,<length>,<data><CR><LF>
Parameter
<n>:Socket number, ranging from
0
to
5
<length>: The length of the data received
<data>: The data received
Add
0x0d 0x0a
to the end of the data. You can identify the end based on
<length>
.
Return Value
See the Example.
Example
+TCPRECV: 0,10,1234567890
10-byte data is successfully received on
socket 0. The data is
1234567890
.
Remarks
N/A
3.5 Closing TCP Connection: +TCPCLOSE
Description
To close a TCP connection
Format
AT+TCPCLOSE=<n><CR>
Parameter
<n>: Socket number, ranging from 0 to 5
Return Value
See the Example.
Example
AT+TCPCLOSE=1
+TCPCLOSE: 1,OK
Close the TCP connection.
The TCP connection on socket 1 is closed
successfully.
AT+TCPCLOSE=5
+TCPCLOSE:ERROR
Socket number error
+TCPCLOSE:0,Link Closed
The TCP link is closed.
The server sends TCP connection closing command or
the network encounters abnormality or weak signals.
Remarks
N/A
3.6 Setting Up UDP Connection: +UDPSETUP
Description
To set up a UDP connection