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User Manual for “LM068_BLE_Peri_0204” FW
4. Overview of LM068_BLE_Peri_0201 firmware
Below section explains the GATT peripheral role of LM068_BLE_Peri_0201 adapter
firmware.
As a BLE peripheral device, BLE adapter implements database for Generic Access
service, Generic Attribute service and Serial-Over-GATT service.
4.1 BLE Advertisement:
i. LM068_BLE_Peri_0201 firmware advertises itself as BLE peripheral device.
After power on, GATT database is initialized and BLE adapter starts
advertising itself for connections.
ii. BLE adapter uses its BD address as Static and Public BLE device address
meaning it will be advertising the same BD address for each advertisements
packet (unlike few devices which use random resolvable BD-addresses).
iii. When user starts BLE devices scanning the BLE adapter is showed with its
BD-address.
iv. A short name of the BLE adapter is added in the scan response data as
“LM068BLE”. A full name of the device can be read using Generic Access
service after connection is completed.
Figure 3: BLE adapter in Scanned devices List
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