central_scan_only
Overview
A simple application demonstrating BLE Observer role functionality.The format for printing scan information is shown in the following table.
Address |
Signal Strength |
Broadcast Type |
Raw Broadcast Data |
|---|---|---|---|
35:2A:3F:D6:32:60 (random) |
-70 |
0 |
02 01 1a 02 0a 0c 0c ff 4c 00 10 07 72 1f e4 d3 45 18 58 |
defintions of advertisement type
#define ADV_TYPE_IND 0
#define ADV_TYPE_DIRECT_IND_HIGH 1
#define ADV_TYPE_SCAN_IND 2
#define ADV_TYPE_NONCONNN_IND 3
#define ADV_TYPE_DIRECT_IND_LOW 4
Requirements
A board with BLE support
Building and Running
Example Location：examples/bluetooth/central_scan_only
compile, burn, and more, see：Quick Start Guide
Running result
Successfully running will output the following logs
[I] (2) main: ver: 2.0.6dev build at Oct 18 2024 16:33:29
[I] (3) scan_adv: Starting Scanner Demo
[I] (23) bt: Identity: 28:6D:CD:68:D7:99 (public)
[I] (23) bt: HCI: version 4.2 (0x08) revision 0x0709, manufacturer 0x070c
[I] (23) bt: LMP: version 4.2 (0x08) subver 0x0709
[I] (23) scan_adv: Bluetooth initialized
[I] (54) scan_adv: dump [addr:35:2A:3F:D6:32:60 (random), rssi -88, adv_type 3, raw data:]
0x0000 1e ff 06 00 01 0f 20 22 f0 83 fb 7d 6d 79 d2 52 56 5d cd 5f 48 1d 0a ef 0f 56 0b e5 77 b3 9d ...... "...}my.RV]._H....V..w..
[I] (64) scan_adv: dump [addr:1C:E4:91:9A:92:0D (random), rssi -87, adv_type 3, raw data:]
0x0000 1e ff 06 00 01 09 20 22 fc 30 e8 1b 35 a5 06 af 9e 6d e8 0c 49 11 9a 98 e3 be ca e2 d2 78 5b ...... ".0..5....m..I........x[
[I] (104) scan_adv: dump [addr:58:71:68:0A:66:28 (random), rssi -88, adv_type 3, raw data:]
0x0000 1e ff 06 00 01 09 20 02 4c 50 1a f9 a2 fe 32 58 9e 74 2e 6e 7e 06 14 5a 14 2b 86 57 6a a8 5e ...... .LP....2X.t.n~..Z.+.Wj.^
[I] (114) scan_adv: dump [addr:7E:EB:AE:E6:A2:05 (random), rssi -91, adv_type 0, raw data:]
0x0000 02 01 1a 1b ff 4c 00 0c 0e 00 c3 35 df fa 04 a3 37 5e 06 ff be f6 e7 10 06 7e 1d 3e ee cb 88 .....L.....5....7^.......~.>...
[I] (115) scan_adv: dump [addr:1A:DD:62:03:D2:74 (random), rssi -77, adv_type 3, raw data:]
0x0000 1e ff 06 00 01 09 20 22 d3 79 62 87 b4 0d 77 d1 34 bd 09 e6 7c 9f e7 b3 00 00 00 00 85 31 d8 ...... ".yb...w.4...|........1.
[I] (124) scan_adv: dump [addr:4D:9B:F1:17:ED:FF (random), rssi -73, adv_type 3, raw data:]
0x0000 1e ff 06 00 01 09 20 02 c3 1d fc 5e 1a d8 9e b8 22 13 5e 00 a4 9b bf 5e ee 65 bd f8 33 ef 10 ...... ....^....".^....^.e..3..
[I] (134) scan_adv: dump [addr:48:48:1F:9D:68:47 (random), rssi -85, adv_type 0, raw data:]
0x0000 02 01 1a 02 0a 0c 0c ff 4c 00 10 07 72 1f e4 d3 45 18 58 ........L...r...E.X
[I] (134) scan_adv: dump [addr:08:F0:B0:C6:84:98 (public), rssi -83, adv_type 0, raw data:]
0x0000 02 01 06 0b ff e0 07 08 f0 b6 c6 84 98 02 10 03 03 01 16 0a 08 45 44 49 46 49 45 52 20 42 .....................EDIFIER B
[I] (146) scan_adv: dump [addr:10:D2:19:11:31:CE (random), rssi -59, adv_type 4, raw data:]
0x0000 06 09 57 4d 2d 42 54 ..WM-BT