UM1547 datasheet(24/51 Pages) STMICROELECTRONICS

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AT command list

UM1547

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DocID023232 Rev 5

3.30

ReadClock

This command reads the piconet clock of the local or remote device

3.30.1

Syntax

AT+AB ReadClock

3.30.2

Responses

Local clock

Clock [Local BDAddress] [clock output in HEX]

3.30.3

Syntax

AT+AB ReadClock [Remote Address]

3.30.4

Responses

Remote device clock

Clock [Remote BDAddress] [clock output in HEX]

3.31

Reset

The Reset command is used to reset the ATn FW interface. This is provided in the event

that a host application wants to perform a software reset for error recovery. There is a

response prior to reset in order to verify that the command was received by the ATn FW

interface. A reset requires 1.6 seconds.

3.31.1

Syntax

AT+AB Reset

3.31.2

Responses

If the operation is successful, the response is:

AT-AB ResetPending

3.32

RoleSwitch

The RoleSwitch command is used to change a link from/to a Master or Slave role

3.32.1

Syntax

at+ab RoleSwitch [bd address] [role]

where

•

[bd address] is the address of the remote device that will receive the role switch

•

[role] is the new role of the local device: 0=Master, 1 =Slave

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