User's Guide

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LM074 SPP with GAP Central Application v1.1

d. After module completes the pairing procedure successfully,

module adds this device to its whitelist.

e. Pairing procedure runs at the background and can show the

status of pairing at any time. e.g. above report shows the

pairing report has displayed while showing Service-scan

report.

xiii. If LEAutoScan server setting is ON then, module starts scanning

services supported on the remote device and displays the report.

If LEAutoScan server setting is OFF, module waits for commands

from user to scan the services (FINDSERV).

3.5.4 “AT*LEDROP”\r\n

i. Execution only command

ii. Command is used to disconnect the BLE connection. Command

requires peer devices BT address.

iii. BLE connection disconnection command format:

“AT*LEDROP=1030005b0012”\r\n

iv. Response for BLE drop connection will be OK if the module is

connected to the BLE device with the same address provided in

Drop command.

v. Response for BLE drop connection will be ERR if the module is not

connected with any BLE device or BD address mentioned in the AT

command is not same as the connected BLE device.

vi. Module shows a report for the disconnection command e.g.

at*ledrop=1030005b0012at*ledrop=1030005b0012

REP*:BLE_DIS_CONN:=1030-00-5b0012,2 err_code:0000

vii. Error code 0000 mentions the device has terminated connection

gracefully i.e. either device started disconnection procedure.

viii. Number 2 near the BD address mentions the BLE Connection ID

(refereed to BLEconn=? response).

ix. If disconnection is started by remote device or due to link loss the

indication for disconnection is shown as below with the reason

code.

“REP*:BLE_DIS_CONN:= 1030-00-5b0012,2 err_code:0019”

x. Refer to the error code in the appendix.