Neoway N11 V2 - Receiving TCP Data (+TCPRECV); Closing TCP Link (+TCPCLOSE)

N11 V2
AT Command Manual
Copyright © Neoway Technology Co., Ltd
60
>
OK
+TCPSEND:0,21
through socket 0.The command ends
with \r if no data length is contained.
The data length should not exceed
4096 bytes.
Remarks
 Ensure that the TCP link is set up before sending TCP data.
 The AT+IPSTATUS command is recommended to check the buffer size
before sending data.
 The command supports only char type data if the AT+DATAFORMAT
command is not used to set the sending format.
7.3 Receiving TCP Data: +TCPRECV
Description
To receive TCP data
Format
+TCPRECV:<n>,<length>,<data><CR>
Parameter
<n>: Socket number, ranging from 0 to 4
<length>: The length of the data received
<data>: The data received
Add 0x0d 0x0a to the end of the data. 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.
+TCPRECV:
0,10,31323334353637383930
10-byte of data is received on socket 0.
The data is 31323334353637383930 in
ASCII format.
Remarks
N/A
7.4 Closing TCP Link: +TCPCLOSE
Description
To close a TCP link
Format
AT+TCPCLOSE=<n><CR>
Parameter
<n>: Socket number, ranging from 0 to 4