xref: /btstack/platform/daemon/example/le_scan.c (revision 2531c97e167e1cae4616c774a6c07906b45ebb44)

/*
 * Copyright (C) 2014 BlueKitchen GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 4. Any redistribution, use, or modification is done solely for
 *    personal benefit and not for any commercial purpose or for
 *    monetary gain.
 *
 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Please inquire about commercial licensing options at
 * [email protected]
 *
 */

/*
 *  le_scan.c
 */

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "btstack_client.h"
#include "btstack_run_loop_posix.h"

static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){

	// printf("- packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]);
	if (packet_type != HCI_EVENT_PACKET) return;

	uint8_t event = packet[0];

	switch (event){
		case BTSTACK_EVENT_STATE:
			// bt stack activated, get started
			printf("- btstack state %u\n", packet[2]);
            if (packet[2] == HCI_STATE_WORKING) {
            	bt_send_cmd(&gap_le_set_scan_parameters, 1, 0x30, 0x30);
	            bt_send_cmd(&gap_le_scan_start);
			}
			break;
		case HCI_EVENT_LE_META:
            switch (packet[2]) {
                case HCI_SUBEVENT_LE_ADVERTISING_REPORT:
                	printf("\n- ADV: ");
                	printf_hexdump(packet, size);
                    break;
                }
                break;
		default:
			break;
	}
}

int main (int argc, const char * argv[]){
	printf("le_scan started\n");
	printf("- connecting to BTstack Daemon\n");
	// start stack
	btstack_run_loop_init(btstack_run_loop_posix_get_instance());
	int err = bt_open();
	if (err) {
		printf("-> Failed to open connection to BTstack Daemon\n");
		return err;
	}

	printf("- connected\n");
	printf("- send power on\n");

	bt_register_packet_handler(packet_handler);
	bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON );
	btstack_run_loop_execute();
	bt_close();
	return 0;
}