Table of Contents
Advertisement
B.3. Command Description
B.3.1. ATZ
OK
Response
Software Reset
Purpose
This has the same effects as Powercycling the unit.
Description
This command disconnects any connected Bluetooth device, and stops ongoing tasks.
After rebooting, the status will be decided by the preset operation mode.
Some AT commands require the ATZ command be run so that the commands can take
effect.
B.3.2. AT&F
OK
Response
Hardware reset
Purpose
This has the same effect as initialization by pressing the factory reset button.
Description
All parameters are initialized to factory defaults.
B.3.3. AT
OK
Response
Check the connection status with host equipment
Purpose
Check if the connection to host equipment is operating normally. The serial parameters of
Description
Parani-SD must be same as those of host equipment. If not, the Parani-SD will not respond
or 'ERROR' message will appear or an abnormal sequence of strings will appear.
B.3.4. AT+UARTCONFIG,Baudrate,Parity,Stopbit
OK
Response
Set Serial parameters
Purpose
Baudrate = 1200/2400/9600/14400/19200/38400/57600/115200/230400/460800/ 921600
Parameters
(Default=9600)
Parity=N/E/O (Default=N)
Stopbit=1/2 (Default=1)
The Serial parameters can be set or changed only if SW config mode is selected in dip
Description
switch. The factory default is 9600, N, 1.
To take effect the ATZ command must be used or Powercycle the unit.
AT+UARTCONFIG,115200,N,1
Example
B.3.5. AT+USEDIP?
m
Response
Check the Baud rate set by the dip switch
Purpose
m=0: Dip switches are set to 'S/W Config'
Description
m=1: Please view the dipswitches to view your baud rate.
37
Advertisement
Table of Contents
