TCP服务端
监听3838端口,需要一个链接池
消息格式:id,type,time,data
47.52.169.192:3838
AT+CSQ
+CSQ: 15,0
AT+CIPSTATUS
STATE: IP INITIAL
AT+CIPSTART="TCP","mikuq.com","3838"
CONNECT OK
AT+CIPSEND=5
12345
SEND OK
CLOSED (20s)
SEND FAIL
AT+CIPSTATUS
STATE: TCP CLOSED
AT+CIPSEND=11
I am a cat!
AT+CSQ
AT+CIPSTART="TCP","mikuq.com","3838"
AT+CIPSEND=42
01,gps,20181108002959,116.270055,40.115044