Rhydo SIM 900 SIM 900 -TTL UART Especificaciones descargar pdf (Pagina 177)

SIM900 AT Commands Set

SIM900_ATC_V1.01 177 23.06.2010

Execution

Command

AT+CIICR

Response

ERROR

Reference

Note

z AT+CIICR only activates moving scene at the status of IP START,

after operating this Command, the state will be changed to IP

CONFIG.

z After module accepting the activated operation, if activate successfully,

the state will be changed to IP GPRSACT, response OK, otherwise

response ERROR.

8.2.11 AT+CIFSR Get Local IP Address

AT+CIFSR Get Local IP Address

Test Command

AT+CIFSR=?

Response

Execution

Command

AT+CIFSR

Response

ERROR

Parameter

<IP address> a string parameter(string should be included in quotation

marks) which indicates the IP address assigned from GPRS

or CSD

Reference

Note

Only at the status of activated the moving scene: IP GPRSACT、TCP/UDP

CONNECTING、CONNECT OK、IP CLOSE can get local IP Address by

AT+CIFSR, otherwise response ERROR.

8.2.12 AT+CIPSTATUS Query Current Connection Status

AT+CIPSTATUS Query Current Connection Status

Test Command

AT+CIPSTATUS

Response

Execution

Command

AT+CIPSTATUS

Response

1）If single connection mode (+CIPMUX=0)

STATE: <state>

2) If multi-connection mode (+CIPMUX=1)

STATE: <state>

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