/*
* 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__ "main.c"
// *****************************************************************************
//
// minimal setup for HCI code
//
// *****************************************************************************
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include "btstack_config.h"
#include "ble/le_device_db_tlv.h"
#include "bluetooth_company_id.h"
#include "btstack_chipset_zephyr.h"
#include "btstack_debug.h"
#include "btstack_event.h"
#include "btstack_memory.h"
#include "btstack_run_loop.h"
#include "btstack_run_loop_posix.h"
#include "btstack_signal.h"
#include "btstack_stdin.h"
#include "btstack_tlv_posix.h"
#include "btstack_uart.h"
#include "hci.h"
#include "hci_dump.h"
#include "hci_dump_posix_fs.h"
#include "hci_transport.h"
#include "hci_transport_h4.h"
int btstack_main(int argc, const char * argv[]);
#define TLV_DB_PATH_PREFIX "/tmp/btstack_"
#define TLV_DB_PATH_POSTFIX ".tlv"
static char tlv_db_path[100];
static const btstack_tlv_t * tlv_impl;
static btstack_tlv_posix_t tlv_context;
static bool shutdown_triggered;
static hci_transport_config_uart_t config = {
HCI_TRANSPORT_CONFIG_UART,
1000000,
0, // main baudrate
1, // flow control
NULL,
};
static btstack_packet_callback_registration_t hci_event_callback_registration;
static bd_addr_t static_address;
static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
const uint8_t *params;
if (packet_type != HCI_EVENT_PACKET) return;
switch (hci_event_packet_get_type(packet)){
case BTSTACK_EVENT_STATE:
switch(btstack_event_state_get_state(packet)){
case HCI_STATE_WORKING:
printf("BTstack up and running as %s\n", bd_addr_to_str(static_address));
// setup TLV
btstack_strcpy(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_PREFIX);
btstack_strcat(tlv_db_path, sizeof(tlv_db_path), bd_addr_to_str_with_delimiter(static_address, '-'));
btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX);
tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path);
btstack_tlv_set_instance(tlv_impl, &tlv_context);
le_device_db_tlv_configure(tlv_impl, &tlv_context);
break;
case HCI_STATE_OFF:
btstack_tlv_posix_deinit(&tlv_context);
if (!shutdown_triggered) break;
// reset stdin
btstack_stdin_reset();
log_info("Good bye, see you.\n");
exit(0);
break;
default:
break;
}
break;
case HCI_EVENT_COMMAND_COMPLETE:
switch (hci_event_command_complete_get_command_opcode(packet)){
case HCI_OPCODE_HCI_ZEPHYR_READ_STATIC_ADDRESS:
params = hci_event_command_complete_get_return_parameters(packet);
if(params[0] != 0)
break;
if(size < 13)
break;
reverse_48(¶ms[2], static_address);
gap_random_address_set(static_address);
break;
default:
break;
}
break;
default:
break;
}
}
static void trigger_shutdown(void){
printf("CTRL-C - SIGINT received, shutting down..\n");
log_info("sigint_handler: shutting down");
shutdown_triggered = true;
hci_power_control(HCI_POWER_OFF);
}
static int led_state = 0;
void hal_led_toggle(void){
led_state = 1 - led_state;
printf("LED State %u\n", led_state);
}
int main(int argc, const char * argv[]){
/// GET STARTED with BTstack ///
btstack_memory_init();
btstack_run_loop_init(btstack_run_loop_posix_get_instance());
// log into file using HCI_DUMP_PACKETLOGGER format
const char * pklg_path = "/tmp/hci_dump.pklg";
hci_dump_posix_fs_open(pklg_path, HCI_DUMP_PACKETLOGGER);
const hci_dump_t * hci_dump_impl = hci_dump_posix_fs_get_instance();
hci_dump_init(hci_dump_impl);
printf("Packet Log: %s\n", pklg_path);
// pick serial port
config.device_name = "/dev/tty.usbmodem0006830491191"; // PCA10056 nRF52840
// accept path from command line
if (argc >= 3 && strcmp(argv[1], "-u") == 0){
config.device_name = argv[2];
argc -= 2;
memmove((void *) &argv[1], &argv[3], (argc-1) * sizeof(char *));
}
printf("H4 device: %s\n", config.device_name);
// init HCI
const btstack_uart_t * uart_driver = btstack_uart_posix_instance();
const hci_transport_t * transport = hci_transport_h4_instance_for_uart(uart_driver);
hci_init(transport, (void*) &config);
hci_set_chipset(btstack_chipset_zephyr_instance());
// inform about BTstack state
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
// register callback for CTRL-c
btstack_signal_register_callback(SIGINT, &trigger_shutdown);
// setup app
btstack_main(argc, argv);
// sm required to setup static random Bluetooth address
sm_init();
// go
btstack_run_loop_execute();
return 0;
}