User's Guide

MP280B User’s Guide
9
"TTM: BPS-?"
Will receive from TX:
"TTM: BPS-X"
Where X="4800", "9600", "19200", "38400", "57600", "115200", (the above data
formats are all ASCII).
4.5 Baud rate setting
Enter the following string into the serial port RX to set the baud rate:
"TTM: BPS-X"
Where X="4800", "9600", "19200", "38400", "57600", "115200", (the above data
formats are all ASCII). For example, "TTM: BPS-115200" means that the set baud rate is
115200 bps. After executing this command, the following confirmation will be obtained
from the serial port TX:
"TTM:BPS SET AFTER 2S...", if the set value is not in the option, or the command
format is incorrect, then return:
"TTM:ERP\r\n\0"
4.6 Get the physical address MAC
Enter the following string into the serial port RX:
"TTM:MAC-?"
Will receive from TX:
" TTM:MAC-xxxxxxxxxxxx\r\n\0"
The "xxxxxxxxxxxx" after the string is the 6-byte module Bluetooth address.
4.7 Set MAC address
Enter the following string into the serial port RX:
"TTM:MAC-xxxxxxxxxxxx", where "xxxxxxxxxxxx" is the 6-byte module Bluetooth
address to be set.
It will receive "TTM:OK\r\n\0" confirmation from the TX pin. If the command
format is incorrect, it will return:
"TTM:ERP\r\n\0"
After the module is restarted, the module will work according to the new MAC
address.
4.8 Module reset
Enter the following string into the serial port RX:
"TTM: RST-SYSTEMRESET"
This will force the module to soft reset once.
4.9 Broadcast cycle setting