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btstack/example/libusb/gatt_browser.c
mila@ringwald.ch 0a6ba8f040 clean up code and output
2014-05-30 22:35:14 +00:00

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/*
* Copyright (C) 2011-2013 by 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. This software may not be used in a commercial product
* without an explicit license granted by the copyright holder.
*
* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD 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.
*
*/
//*****************************************************************************
//
// BLE Client
//
//*****************************************************************************
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <btstack/run_loop.h>
#include <btstack/hci_cmds.h>
#include <btstack/utils.h>
#include <btstack/sdp_util.h>
#include "btstack-config.h"
#include "ad_parser.h"
#include "debug.h"
#include "btstack_memory.h"
#include "hci.h"
#include "hci_dump.h"
#include "l2cap.h"
#include "att.h"
#include "gatt_client.h"
#ifdef HAVE_UART_CC2564
#include "bt_control_cc256x.h"
#endif
typedef struct ad_event {
uint8_t type;
uint8_t event_type;
uint8_t address_type;
bd_addr_t address;
uint8_t rssi;
uint8_t length;
uint8_t * data;
} ad_event_t;
typedef enum {
TC_IDLE,
TC_W4_SCAN_RESULT,
TC_W4_CONNECT,
TC_W4_SERVICE_RESULT,
TC_W4_CHARACTERISTIC_RESULT,
TC_W4_DISCONNECT
} tc_state_t;
static gatt_client_t test_gatt_client_context;
static uint16_t test_gatt_client_handle;
static le_service_t services[40];
static int service_count = 0;
static int service_index = 0;
static uint8_t test_device_addr_type = 0;
static tc_state_t tc_state = TC_IDLE;
static void printUUID(uint8_t * uuid128, uint16_t uuid16){
if (uuid16){
printf("%04x",uuid16);
} else {
printUUID128(uuid128);
}
}
static void dump_ad_event(ad_event_t * e){
printf(" * adv. event: evt-type %u, addr-type %u, addr %s, rssi %u, length adv %u, data: ", e->event_type,
e->address_type, bd_addr_to_str(e->address), e->rssi, e->length);
hexdump(e->data, e->length);
}
static void dump_characteristic(le_characteristic_t * characteristic){
printf(" * characteristic: [0x%04x-0x%04x-0x%04x], properties 0x%02x, uuid ",
characteristic->start_handle, characteristic->value_handle, characteristic->end_handle, characteristic->properties);
printUUID(characteristic->uuid128, characteristic->uuid16);
printf("\n");
}
static void dump_service(le_service_t * service){
printf(" * service: [0x%04x-0x%04x], uuid ", service->start_group_handle, service->end_group_handle);
printUUID(service->uuid128, service->uuid16);
printf("\n");
}
void handle_gatt_client_event(le_event_t * event){
le_service_t service;
le_characteristic_t characteristic;
switch(tc_state){
case TC_W4_SERVICE_RESULT:
switch(event->type){
case GATT_SERVICE_QUERY_RESULT:
service = ((le_service_event_t *) event)->service;
dump_service(&service);
services[service_count++] = service;
break;
case GATT_QUERY_COMPLETE:
tc_state = TC_W4_CHARACTERISTIC_RESULT;
service_index = 0;
printf("\ntest client - CHARACTERISTIC for SERVICE ");
printUUID128(service.uuid128); printf("\n");
gatt_client_discover_characteristics_for_service(&test_gatt_client_context, &services[service_index]);
break;
default:
break;
}
break;
case TC_W4_CHARACTERISTIC_RESULT:
switch(event->type){
case GATT_CHARACTERISTIC_QUERY_RESULT:
characteristic = ((le_characteristic_event_t *) event)->characteristic;
dump_characteristic(&characteristic);
break;
case GATT_QUERY_COMPLETE:
if (service_index < service_count) {
tc_state = TC_W4_CHARACTERISTIC_RESULT;
service = services[service_index++];
printf("\ntest client - CHARACTERISTIC for SERVICE ");
printUUID128(service.uuid128);
printf(", [0x%04x-0x%04x]\n", service.start_group_handle, service.end_group_handle);
gatt_client_discover_characteristics_for_service(&test_gatt_client_context, &service);
break;
}
tc_state = TC_W4_DISCONNECT;
service_index = 0;
gap_disconnect(test_gatt_client_context.handle);
break;
default:
break;
}
break;
default:
break;
}
}
static void handle_hci_event(void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
switch (packet[0]) {
case HCI_EVENT_DISCONNECTION_COMPLETE:
printf("\ntest client - DISCONNECTED\n");
exit(0);
break;
case GAP_LE_ADVERTISING_REPORT:
if (tc_state != TC_W4_SCAN_RESULT) return;
printf("test client - SCAN ACTIVE\n");
ad_event_t ad_event;
int pos = 2;
ad_event.event_type = packet[pos++];
ad_event.address_type = packet[pos++];
memcpy(ad_event.address, &packet[pos], 6);
pos += 6;
ad_event.rssi = packet[pos++];
ad_event.length = packet[pos++];
ad_event.data = &packet[pos];
pos += ad_event.length;
dump_ad_event(&ad_event);
test_device_addr_type = ad_event.address_type;
bd_addr_t found_device_addr;
memcpy(found_device_addr, ad_event.address, 6);
swapX(ad_event.address, found_device_addr, 6);
tc_state = TC_W4_CONNECT;
le_central_stop_scan();
le_central_connect(&found_device_addr, test_device_addr_type);
break;
case BTSTACK_EVENT_STATE:
// BTstack activated, get started
if (packet[2] == HCI_STATE_WORKING) {
printf("BTstack activated, get started!\n");
tc_state = TC_W4_SCAN_RESULT;
le_central_start_scan();
}
break;
case HCI_EVENT_LE_META:
switch (packet[2]) {
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE: {
if (tc_state != TC_W4_CONNECT) return;
tc_state = TC_W4_SERVICE_RESULT;
printf("\ntest client - CONNECTED, query primary services\n");
test_gatt_client_handle = READ_BT_16(packet, 4);
gatt_client_start(&test_gatt_client_context, test_gatt_client_handle);
// let's start
gatt_client_discover_primary_services(&test_gatt_client_context);
break;
}
default:
break;
}
break;
default:
break;
}
}
static hci_uart_config_t config;
void setup(void){
/// GET STARTED with BTstack ///
btstack_memory_init();
run_loop_init(RUN_LOOP_POSIX);
// use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
hci_dump_open("/tmp/ble_client.pklg", HCI_DUMP_PACKETLOGGER);
// init HCI
remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
bt_control_t * control = NULL;
#ifndef HAVE_UART_CC2564
hci_transport_t * transport = hci_transport_usb_instance();
#else
hci_transport_t * transport = hci_transport_h4_instance();
control = bt_control_cc256x_instance();
// config.device_name = "/dev/tty.usbserial-A600eIDu"; // 5438
config.device_name = "/dev/tty.usbserial-A800cGd0"; // 5529
config.baudrate_init = 115200;
config.baudrate_main = 0;
config.flowcontrol = 1;
#endif
hci_init(transport, &config, control, remote_db);
l2cap_init();
l2cap_register_packet_handler(&handle_hci_event);
gatt_client_init();
gatt_client_register_handler(&handle_gatt_client_event);
}
int main(void)
{
setup();
// turn on!
hci_power_control(HCI_POWER_ON);
// go!
run_loop_execute();
// happy compiler!
return 0;
}
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