Operation Guide

X-C13SG_REV1.6_Operation Guide

X-C13SG

Shanghai RaymonIoT Technology Co., Ltd.

flowctrl: CTSRTS

NFC: No flow control

FC: Flow control(Reserved)

1.3.3.21. AT+UARTBUF

Function: Set/Query the maximum Serial Port frame size

Format:

Query Operation:

AT+UARTBUF<CR>

+ok=<size><CR><LF><CR><LF>

Set Operation:

AT+UARTBUF=<size><CR>

+ok<CR><LF><CR><LF>

Parameters:

size: Serial port maximum frame size, default 【1400】 bytes, range 32~1400

1.3.3.22. AT+UARTTM

Function: Set/Query the Two-Frame Time Interval When the Serial Port Receives Data

Format:

Query Operation:

AT+UARTBUF<CR>

+ok=<interval><CR><LF><CR><LF>

Set Operation:

AT+UARTTM=<interval><CR>

+ok<CR><LF><CR><LF>

Parameters:

interval: Serial port division interval, default 【20】ms, range 10~1000ms

1.3.3.23. AT+WIFI

Function: Enable/Disable Wi-Fi Command

Format:

Query Operation:

AT+WIFI<CR>

+ok=<status><CR>< LF><CR>< LF>

Set Operation:

AT+WIFI=<status><CR>

+ok<CR>< LF><CR>< LF>

Parameters:

staus: Wi-Fi status

UP (boot default status): Enable Wi-Fi Chip

DOWN: Disable Wi-Fi Chip, it will take several seconds (max 10) to disable the Wi-Fi, if response with

+ERR=-5 means disable failed, usually it is already in disable status.

Note: Use this command to make Wi-Fi AT command valid without reboot, Ex: AT+WIFI=DOWN,

AT+WMODE=STA, AT+WIFI=UP, then module works as STA mode without reboot.

1.3.3.24. AT+WMODE

Function: Set/Query Wi-Fi work mode. Setting is valid after reset.