Function Description
Different firmware have different functional configurations.This guide provides functional descriptions based on the general Dual-Mode data transmission application firmware program.
Default Configuration
Using FSC-BT826F as example：
Name |
FSC-BT826F |
|---|---|
LE-Name |
FSC-BT826F-LE |
Pin Code |
0000 |
Secure Simple Pairing Mode |
OFF |
UART Baudrate |
115200/8/N/1 |
GPIO Indications
Module Operation Status
Pin |
Status |
Description |
|---|---|---|
Pin 32 |
1Hz square wave |
Bluetooth Disconnected |
Pin 32 |
High level |
Bluetooth Connected |
BT Connection Status
Pin |
Status |
Description |
|---|---|---|
Pin 33 |
Low Level |
Bluetooth Disconnected |
Pin 33 |
High Level |
Bluetooth Connected |
Work Modes
Throughput Mode
Bluetooth Not Connected: Data received via UART is parsed as AT commands.
Bluetooth Connected: All data received via UART is sent as-is to the remote Bluetooth device.
Command Mode
Bluetooth Not Connected: Data received via UART is parsed as AT commands.
Bluetooth Connected: Data received via UART is still parsed as AT commands. Data must be sent to the remote device using AT commands, e.g.,
AT+SPPSEND.
GATT Service
Type |
UUID |
Permissions |
Description |
|---|---|---|---|
Service |
0xFFF0 |
Throughput Transmission Service |
|
Write |
0xFFF2 |
Write, |
APP to Module |
Notify |
0xFFF1 |
Notify |
Module to APP |