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USR-GPRS232-730 User Manual
Jinan USR IOT Technology Limited
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4.2.1.42. AT+HEARTTM
function : query/set heartbeat time.
format :
query parameter introductions:
AT+HEARTTM=?{CR}
{CR}{LF}+HEARTTM:<"time">{CR}{LF}{CR}{LF}OK{CR}{LF}
query current value of parameter:
AT+HEARTTM{CR} or AT+HEARTTM?{CR}
{CR}{LF}+HEARTTM:time{CR}{LF}{CR}{LF}OK{CR}{LF}
set parameter:
AT+HEARTTM=time{CR}
{CR}{LF}OK{CR}{LF}
parameter :
time : strobe period, unit is second
4.2.1.43. AT+HTPTP
function : query/set HTTP request type.
format :
query parameter introductions:
AT+HTPTP=?{CR}
{CR}{LF}+HTPTP:<"GET","POST">{CR}{LF}{CR}{LF}OK{CR}{LF}
query current value of parameter:
AT+HTPTP{CR} or AT+HTPTP?{CR}
{CR}{LF}+HTPTP:type{CR}{LF}{CR}{LF}OK{CR}{LF}
set parameter:
AT+HTPTP=type{CR}
{CR}{LF}OK{CR}{LF}
parameter :
type : HTTP request type
“GET” : get
“POST” : post
4.2.1.44. AT+HTPURL
function : query/set HTTP URL.
format :
query parameter introductions:
AT+HTPURL=?{CR}
{CR}{LF}+HTPURL:<"URL">{CR}{LF}{CR}{LF}OK{CR}{LF}