xref: /btstack/platform/daemon/example/le_scan.c (revision 360243be41f47158adff357b9fead2686419a2df)
1 /*
2  * Copyright (C) 2014 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 #define __BTSTACK_FILE__ "le_scan.c"
39 
40 /*
41  *  le_scan.c
42  */
43 
44 #include <unistd.h>
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 
49 #include "btstack_client.h"
50 #include "btstack_run_loop_posix.h"
51 
52 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
53 
54 	if (packet_type != HCI_EVENT_PACKET) return;
55 
56 	uint8_t event = hci_event_packet_get_type(packet);
57 
58 	switch (event){
59 		case BTSTACK_EVENT_STATE:
60 			// bt stack activated, get started
61 			printf("- btstack state %u\n", packet[2]);
62             if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){
63             	bt_send_cmd(&gap_le_set_scan_parameters, 1, 0x30, 0x30);
64 	            bt_send_cmd(&gap_le_scan_start);
65 			}
66 			break;
67 		case HCI_EVENT_LE_META:
68             switch (hci_event_le_meta_get_subevent_code(packet)) {
69                 case HCI_SUBEVENT_LE_ADVERTISING_REPORT:
70                 	printf("\n- ADV: ");
71                 	printf_hexdump(packet, size);
72                     break;
73                 }
74                 break;
75 		default:
76 			break;
77 	}
78 }
79 
80 int main (int argc, const char * argv[]){
81 	printf("le_scan started\n");
82 	printf("- connecting to BTstack Daemon\n");
83 	// start stack
84 	btstack_run_loop_init(btstack_run_loop_posix_get_instance());
85 	int err = bt_open();
86 	if (err) {
87 		printf("-> Failed to open connection to BTstack Daemon\n");
88 		return err;
89 	}
90 
91 	printf("- connected\n");
92 	printf("- send power on\n");
93 
94 	bt_register_packet_handler(packet_handler);
95 	bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON );
96 	btstack_run_loop_execute();
97 	bt_close();
98 	return 0;
99 }
100