/*
* 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__ "rfcomm_test.c"
/*
* rfcomm_echo.c
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "btstack_client.h"
#include "btstack_run_loop_posix.h"
#include "classic/sdp_util.h"
#define NUM_ROWS 25
#define NUM_COLS 80
// input from command line arguments
bd_addr_t addr = { };
hci_con_handle_t con_handle;
char pin[17];
int counter = 0;
uint16_t rfcomm_channel_id = 0;
uint16_t mtu = 0;
static uint8_t spp_service_buffer[150];
uint8_t test_data[NUM_ROWS * NUM_COLS + 1];
void create_test_data(void){
int x,y;
for (y=0;y<NUM_ROWS;y++){
for (x=0;x<NUM_COLS-2;x++){
test_data[y*NUM_COLS+x] = '0' + (x % 10);
}
test_data[y*NUM_COLS+NUM_COLS-2] = '\n';
test_data[y*NUM_COLS+NUM_COLS-1] = '\r';
}
test_data[NUM_COLS*NUM_ROWS] = 0;
}
void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
bd_addr_t event_addr;
uint16_t rfcomm_channel_nr;
switch (packet_type) {
case RFCOMM_DATA_PACKET:
printf("Received RFCOMM data on channel id %u, size %u\n", channel, size);
printf_hexdump(packet, size);
bt_send_rfcomm(channel, packet, size);
break;
case HCI_EVENT_PACKET:
switch (hci_event_packet_get_type(packet)) {
case BTSTACK_EVENT_POWERON_FAILED:
// handle HCI init failure
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){
// get persistent RFCOMM channel
printf("HCI_STATE_WORKING\n");
bt_send_cmd(&rfcomm_persistent_channel_for_service_cmd, "ch.ringwald.btstack.rfcomm_test");
}
break;
case DAEMON_EVENT_RFCOMM_PERSISTENT_CHANNEL:
rfcomm_channel_nr = packet[3];
printf("RFCOMM channel %u was assigned by BTdaemon\n", rfcomm_channel_nr);
bt_send_cmd(&rfcomm_register_service_cmd, rfcomm_channel_nr, 0xffff); // reserved channel, mtu limited by l2cap
break;
case DAEMON_EVENT_RFCOMM_SERVICE_REGISTERED:
printf("DAEMON_EVENT_RFCOMM_SERVICE_REGISTERED\n");
rfcomm_channel_nr = packet[3];
// register SDP for our SPP
spp_create_sdp_record((uint8_t*) spp_service_buffer, 0x10001, rfcomm_channel_nr, "RFCOMM Test");
bt_send_cmd(&sdp_register_service_record_cmd, spp_service_buffer);
bt_send_cmd(&btstack_set_discoverable, 1);
break;
case DAEMON_EVENT_RFCOMM_CREDITS:
sprintf((char*)test_data, "\n\r\n\r-> %09u <- ", counter++);
bt_send_rfcomm(rfcomm_channel_id, test_data, mtu);
break;
case HCI_EVENT_PIN_CODE_REQUEST:
// inform about pin code request
printf("Using PIN 0000\n");
hci_event_pin_code_request_get_bd_addr(packet, event_addr);
bt_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
break;
case RFCOMM_EVENT_INCOMING_CONNECTION:
// data: event (8), len(8), address(48), channel (8), rfcomm_cid (16)
rfcomm_event_incoming_connection_get_bd_addr(packet, event_addr);
rfcomm_channel_nr = rfcomm_event_incoming_connection_get_server_channel(packet);
rfcomm_channel_id = rfcomm_event_incoming_connection_get_rfcomm_cid(packet);
printf("RFCOMM channel %u requested for %s\n", rfcomm_channel_nr, bd_addr_to_str(event_addr));
bt_send_cmd(&rfcomm_accept_connection_cmd, rfcomm_channel_id);
break;
case RFCOMM_EVENT_CHANNEL_OPENED:
// data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
if (rfcomm_event_channel_opened_get_status(packet)) {
printf("RFCOMM channel open failed, status %u\n", rfcomm_event_channel_opened_get_status(packet));
} else {
rfcomm_channel_id = rfcomm_event_channel_opened_get_rfcomm_cid(packet);
mtu = rfcomm_event_channel_opened_get_max_frame_size(packet);
printf("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n", rfcomm_channel_id, mtu);
}
break;
case HCI_EVENT_DISCONNECTION_COMPLETE:
// connection closed -> quit test app
printf("Basebank connection closed\n");
break;
default:
break;
}
break;
default:
break;
}
}
int main (int argc, const char * argv[]){
create_test_data();
printf("created test data: \n%s\n", test_data);
btstack_run_loop_init(btstack_run_loop_posix_get_instance());
int err = bt_open();
if (err) {
fprintf(stderr,"Failed to open connection to BTdaemon, err %d\n",err);
return 1;
}
bt_register_packet_handler(packet_handler);
bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON );
btstack_run_loop_execute();
bt_close();
return 0;
}