btstack/platform/daemon/example/le_scan.c
2021-11-02 09:31:00 +01:00

109 lines
3.5 KiB
C

/*
* 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 BLUEKITCHEN
* GMBH 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
* contact@bluekitchen-gmbh.com
*
*/
#define BTSTACK_FILE__ "le_scan.c"
/*
* le_scan.c
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "btstack_client.h"
#ifdef _WIN32
#include "btstack_run_loop_windows.h"
#else
#include "btstack_run_loop_posix.h"
#endif
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
uint8_t event = hci_event_packet_get_type(packet);
switch (event){
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
printf("- btstack state %u\n", packet[2]);
if (btstack_event_state_get_state(packet) == 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 (hci_event_le_meta_get_subevent_code(packet)) {
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
#ifdef _WIN32
btstack_run_loop_init(btstack_run_loop_windows_get_instance());
#else
btstack_run_loop_init(btstack_run_loop_posix_get_instance());
#endif
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;
}