Instructions

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Espressif Systems
ESP8266
AT Instruction Set
9.
AT+CIPCHECKSEQ – Check if a specific segment was sent successfully
10.
AT+CIPBUFRESET – Reset segment ID count
AT+CIPCHECKSEQ – Check if a specific segment was sent successfully
Single connection
(+CIPMUX=0)
AT+CIPCHECKSEQ=<segment ID>
Multiple connection
(+CIPMUX=1)
AT+CIPCHECKSEQ=<link ID>, <segment ID>
Response
[<link ID>, ]<segment ID> , <status>
OK
If connection is not established, returns
ERROR
Parameters
<link ID> ID of the connection (0~4), for multi-connect
<segment ID> segment ID got by AT+CIPSENDBUF;
<status> TRUE, sent successfully; FALSE, failed to send
Note
1.
This command can only be used if AT+CIPSENDBUF is used.
2.
Only keeps record of the status of the latest 32 segments at most.
AT+CIPBUFRESET – Reset segment ID count
Single connection
(+CIPMUX=0)
AT+CIPBUFRESET
Multiple connection
(+CIPMUX=1)
AT+CIPBUFRESET=<link ID>
Response
OK
If connection is not established or there is still TCP data waiting to be sent,
returns
ERROR
Parameters
<link ID> ID of the connection (0~4), for multi-connect
Note
This command can only be used if AT+CIPSENDBUF is used.
Espressif Systems  / Friday, July 15, 201663 73