/*
* 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
*
*/
#define __BTSTACK_FILE__ "l2cap_throughput.c"
/*
* l2cap_throughput.c
*
* Created by Matthias Ringwald on 7/14/09.
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "btstack_client.h"
#include "btstack_run_loop_posix.h"
#include "hci_cmd.h"
#define PSM_TEST 0xdead
#define PACKET_SIZE 1000
int serverMode = 1;
bd_addr_t addr = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
uint8_t packet[PACKET_SIZE];
uint32_t counter = 0;
btstack_timer_source_t timer;
void update_packet(void){
big_endian_store_32( packet, 0, counter++);
}
void prepare_packet(void){
int i;
counter = 0;
big_endian_store_32( packet, 0, 0);
for (i=4;i<PACKET_SIZE;i++)
packet[i] = i-4;
}
void timer_handler(struct btstack_timer_source *ts){
bt_send_cmd(&hci_read_bd_addr);
btstack_run_loop_set_timer(&timer, 3000);
btstack_run_loop_add_timer(&timer);
};
void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
bd_addr_t event_addr;
hci_con_handle_t con_handle;
uint16_t psm;
uint16_t local_cid;
char pin[20];
int i;
switch (packet_type) {
case L2CAP_DATA_PACKET:
// measure data rate
break;
case HCI_EVENT_PACKET:
switch (hci_event_packet_get_type(packet)) {
case BTSTACK_EVENT_POWERON_FAILED:
printf("HCI Init failed - make sure you have turned off Bluetooth in the System Settings\n");
exit(1);
break;
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){
if (serverMode) {
printf("Waiting for incoming L2CAP connection on PSM %04x...\n", PSM_TEST);
timer.process = timer_handler;
btstack_run_loop_set_timer(&timer, 3000);
// btstack_run_loop_add_timer(&timer);
} else {
bt_send_cmd(&hci_write_class_of_device, 0x38010c);
}
}
break;
case HCI_EVENT_COMMAND_COMPLETE:
// use pairing yes/no
if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_write_class_of_device)) {
bt_send_cmd(&l2cap_create_channel_mtu_cmd, addr, PSM_TEST, PACKET_SIZE);
}
break;
case L2CAP_EVENT_INCOMING_CONNECTION:
l2cap_event_incoming_connection_get_address(packet, event_addr);
con_handle = l2cap_event_incoming_connection_get_handle(packet);
psm = l2cap_event_incoming_connection_get_psm(packet);
local_cid = l2cap_event_incoming_connection_get_local_cid(packet);
printf("L2CAP_EVENT_INCOMING_CONNECTION %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n",
bd_addr_to_str(event_addr), con_handle, psm, local_cid, l2cap_event_incoming_connection_get_remote_cid(packet));
// accept
bt_send_cmd(&l2cap_accept_connection_cmd, local_cid);
break;
case HCI_EVENT_LINK_KEY_REQUEST:
// link key request
hci_event_link_key_request_get_bd_addr(packet, event_addr);
bt_send_cmd(&hci_link_key_request_negative_reply, &event_addr);
break;
case HCI_EVENT_PIN_CODE_REQUEST:
// inform about pin code request
printf("Please enter PIN here: ");
fgets(pin, 20, stdin);
i = strlen(pin);
if( pin[i-1] == '\n' || pin[i-1] == '\r') {
pin[i-1] = '\0';
i--;
}
printf("PIN (%u)= '%s'\n", i, pin);
hci_event_pin_code_request_get_bd_addr(packet, event_addr);
bt_send_cmd(&hci_pin_code_request_reply, &event_addr, i, pin);
break;
case L2CAP_EVENT_CHANNEL_OPENED:
// inform about new l2cap connection
l2cap_event_channel_opened_get_address(packet, event_addr);
if (l2cap_event_channel_opened_get_status(packet)){
printf("L2CAP connection to device %s failed. status code %u\n",
bd_addr_to_str(event_addr), l2cap_event_channel_opened_get_status(packet));
exit(1);
}
psm = little_endian_read_16(packet, 11);
local_cid = little_endian_read_16(packet, 13);
con_handle = little_endian_read_16(packet, 9);
printf("Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n",
bd_addr_to_str(event_addr), con_handle, psm, local_cid, l2cap_event_channel_opened_get_remote_cid(packet));
break;
case HCI_EVENT_DISCONNECTION_COMPLETE:
printf("Basebank connection closed\n");
break;
case DAEMON_EVENT_L2CAP_CREDITS:
if (!serverMode) {
// can send! (assuming single credits are handet out)
update_packet();
local_cid = little_endian_read_16(packet, 2);
bt_send_l2cap( local_cid, packet, PACKET_SIZE);
}
break;
default:
// other event
break;
}
break;
default:
// other packet type
break;
}
}
int main (int argc, const char * argv[]){
// handle remote addr
if (argc > 1){
if (sscanf_bd_addr(argv[1], addr)){
serverMode = 0;
prepare_packet();
}
}
btstack_run_loop_init(btstack_run_loop_posix_get_instance());
int err = bt_open();
if (err) {
printf("Failed to open connection to BTdaemon\n");
return err;
}
bt_register_packet_handler(packet_handler);
bt_send_cmd(&l2cap_register_service_cmd, PSM_TEST, PACKET_SIZE);
bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON );
// banner
printf("L2CAP Throughput Test (compatible with Apple's Bluetooth Explorer)\n");
if (serverMode) {
printf(" * Running in Server mode. For client mode, specify remote addr 11:22:33:44:55:66\n");
}
printf(" * MTU: 1000 bytes\n");
btstack_run_loop_execute();
bt_close();
return 0;
}