btstack/example/embedded/sdp_rfcomm_query.c
2015-11-13 15:04:41 +01:00

140 lines
4.7 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 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
* contact@bluekitchen-gmbh.com
*
*/
// *****************************************************************************
//
// minimal setup for SDP client over USB or UART
//
// *****************************************************************************
#include "btstack-config.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "hci_cmds.h"
#include "run_loop.h"
#include "hci.h"
#include "btstack_memory.h"
#include "hci_dump.h"
#include "l2cap.h"
#include "classic/sdp_query_rfcomm.h"
// static bd_addr_t remote = {0x04,0x0C,0xCE,0xE4,0x85,0xD3};
static bd_addr_t remote = {0x84, 0x38, 0x35, 0x65, 0xD1, 0x15};
static uint8_t service_index = 0;
static uint8_t channel_nr[10];
static char* service_name[10];
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
// printf("packet_handler type %u, packet[0] %x\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
if (packet[2] == HCI_STATE_WORKING){
sdp_query_rfcomm_channel_and_name_for_uuid(remote, SDP_PublicBrowseGroup);
}
break;
default:
break;
}
}
static void store_found_service(uint8_t * name, uint8_t port){
printf("APP: Service name: '%s', RFCOMM port %u\n", name, port);
channel_nr[service_index] = port;
service_name[service_index] = (char*) malloc(SDP_SERVICE_NAME_LEN+1);
strncpy(service_name[service_index], (char*) name, SDP_SERVICE_NAME_LEN);
service_name[service_index][SDP_SERVICE_NAME_LEN] = 0;
service_index++;
}
static void report_found_services(void){
printf("\n *** Client query response done. ");
if (service_index == 0){
printf("No service found.\n\n");
} else {
printf("Found following %d services:\n", service_index);
}
int i;
for (i=0; i<service_index; i++){
printf(" Service name %s, RFCOMM port %u\n", service_name[i], channel_nr[i]);
}
printf(" ***\n\n");
}
static void handle_query_rfcomm_event(sdp_query_event_t * event, void * context){
sdp_query_rfcomm_service_event_t * ve;
switch (event->type){
case SDP_QUERY_RFCOMM_SERVICE:
ve = (sdp_query_rfcomm_service_event_t*) event;
store_found_service(ve->service_name, ve->channel_nr);
break;
case SDP_QUERY_COMPLETE:
report_found_services();
break;
}
}
int btstack_main(int argc, const char * argv[]);
int btstack_main(int argc, const char * argv[]){
printf("Client HCI init done\r\n");
// init L2CAP
l2cap_init();
l2cap_register_packet_handler(packet_handler);
sdp_query_rfcomm_register_callback(handle_query_rfcomm_event, NULL);
// turn on!
hci_power_control(HCI_POWER_ON);
return 0;
}