RF-Star EFR32BG22, Manual

Page: 12 / 94

EFR32BG22
www.szrfstar.com V1.6 - Jun., 2022
Shenzhen RF-star Technology Co., Ltd.
Page 11 of 93
1.6 Description of Default Broadcast Data
As shown in the figure above, it is the default broadcast data of the device.
TYPE: 0x1B : the last 6 bytes of it are the MAC address of the BLE device (low byte first).
TYPE: 0x07 : the 128-bit service UUID.
TYPE: 0xFF : the manufacturer-defined field.
0x5246: the vendor ID
0x0CDB: the power supply voltage of the module, that is, 3291 mV, the data will update every hour.
0x07: the input status of the three IOs (PC3, PC4, PC5) of the RF-BM-BG22Ax and RF-BM-BG22Bx
module, update in real time. The pull-up is at a high level by default.
TYPE: 0x09 : the device name (RFstar_E679).
1.7 Device Status Specifications
1. DEVICE START : The device starts to work.
2. XX:XX:XX:XX:XX:XX CONNECTED Y* : BLE slave is successfully connected. (Y means the serial number of the
connected slave module.)
3. XX:XX:XX:XX:XX:XX DISCONNECTED : BLE slave is disconnected.
4. B:CONNECTED : Beacon is successfully connected.
5. B:DISCONNECTED : Beacon is disconnected.
6. BONDING COMPLETED : Bonding and pairing succeeded.
7. BONDING FAILED : Bonding and pairing failed.
8. ENTER THE PAIRING PASSWORD : The other slave device requires the master device to enter the pairing PIN