1 /*
2 * Copyright (c) 2018 Henrik Brix Andersen <henrik@brixandersen.dk>
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/types.h>
8 #include <stddef.h>
9 #include <zephyr/sys/printk.h>
10 #include <zephyr/sys/util.h>
11
12 #include <zephyr/bluetooth/bluetooth.h>
13 #include <zephyr/bluetooth/hci.h>
14
15 #ifndef IBEACON_RSSI
16 #define IBEACON_RSSI 0xc8
17 #endif
18
19 /*
20 * Set iBeacon demo advertisement data. These values are for
21 * demonstration only and must be changed for production environments!
22 *
23 * UUID: 18ee1516-016b-4bec-ad96-bcb96d166e97
24 * Major: 0
25 * Minor: 0
26 * RSSI: -56 dBm
27 */
28 static const struct bt_data ad[] = {
29 BT_DATA_BYTES(BT_DATA_FLAGS, BT_LE_AD_NO_BREDR),
30 BT_DATA_BYTES(BT_DATA_MANUFACTURER_DATA,
31 0x4c, 0x00, /* Apple */
32 0x02, 0x15, /* iBeacon */
33 0x18, 0xee, 0x15, 0x16, /* UUID[15..12] */
34 0x01, 0x6b, /* UUID[11..10] */
35 0x4b, 0xec, /* UUID[9..8] */
36 0xad, 0x96, /* UUID[7..6] */
37 0xbc, 0xb9, 0x6d, 0x16, 0x6e, 0x97, /* UUID[5..0] */
38 0x00, 0x00, /* Major */
39 0x00, 0x00, /* Minor */
40 IBEACON_RSSI) /* Calibrated RSSI @ 1m */
41 };
42
bt_ready(int err)43 static void bt_ready(int err)
44 {
45 if (err) {
46 printk("Bluetooth init failed (err %d)\n", err);
47 return;
48 }
49
50 printk("Bluetooth initialized\n");
51
52 /* Start advertising */
53 err = bt_le_adv_start(BT_LE_ADV_NCONN, ad, ARRAY_SIZE(ad),
54 NULL, 0);
55 if (err) {
56 printk("Advertising failed to start (err %d)\n", err);
57 return;
58 }
59
60 printk("iBeacon started\n");
61 }
62
main(void)63 int main(void)
64 {
65 int err;
66
67 printk("Starting iBeacon Demo\n");
68
69 /* Initialize the Bluetooth Subsystem */
70 err = bt_enable(bt_ready);
71 if (err) {
72 printk("Bluetooth init failed (err %d)\n", err);
73 }
74 return 0;
75 }
76
