btstack/port/freebsd-netgraph/main.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 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 <unistd.h>
#include <getopt.h>

#include "btstack_config.h"

#include "ble/le_device_db_tlv.h"
#include "bluetooth_company_id.h"
#include "btstack_audio.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 "classic/btstack_link_key_db_tlv.h"
#include "hci.h"
#include "hci_dump.h"
#include "hci_dump_posix_fs.h"
#include "hci_dump_posix_stdout.h"
#include "hci_transport_netgraph.h"


#define TLV_DB_PATH_PREFIX "/tmp/btstack_"
#define TLV_DB_PATH_POSTFIX ".tlv"
static char tlv_db_path[100];
static bool tlv_reset;
static const btstack_tlv_t * tlv_impl;
static btstack_tlv_posix_t   tlv_context;
static bd_addr_t             local_addr;
static hci_transport_config_netgraph_t config;

// shutdown
static bool shutdown_triggered;

int btstack_main(int argc, const char * argv[]);
static void local_version_information_handler(uint8_t * packet);

static btstack_packet_callback_registration_t hci_event_callback_registration;

static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
    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:
                    gap_local_bd_addr(local_addr);
                    printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr));
                    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(local_addr, '-'));
                    btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX);
                    printf("TLV path: %s", tlv_db_path);
                    if (tlv_reset){
                        int rc = unlink(tlv_db_path);
                        if (rc == 0) {
                            printf(", reset ok");
                        } else {
                            printf(", reset failed with result = %d", rc);
                        }
                    }
                    printf("\n");
                    tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path);
                    btstack_tlv_set_instance(tlv_impl, &tlv_context);
#ifdef ENABLE_CLASSIC
                    hci_set_link_key_db(btstack_link_key_db_tlv_get_instance(tlv_impl, &tlv_context));
#endif    
#ifdef ENABLE_BLE
                    le_device_db_tlv_configure(tlv_impl, &tlv_context);
#endif
                    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:
            if (hci_event_command_complete_get_command_opcode(packet) == HCI_OPCODE_HCI_READ_LOCAL_VERSION_INFORMATION){
                local_version_information_handler(packet);
            }
            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);
}

static void local_version_information_handler(uint8_t * packet){
    printf("Local version information:\n");
    uint16_t hci_version    = packet[6];
    uint16_t hci_revision   = little_endian_read_16(packet, 7);
    uint16_t lmp_version    = packet[9];
    uint16_t manufacturer   = little_endian_read_16(packet, 10);
    uint16_t lmp_subversion = little_endian_read_16(packet, 12);
    printf("- HCI Version    0x%04x\n", hci_version);
    printf("- HCI Revision   0x%04x\n", hci_revision);
    printf("- LMP Version    0x%04x\n", lmp_version);
    printf("- LMP Subversion 0x%04x\n", lmp_subversion);
    printf("- Manufacturer 0x%04x\n", manufacturer);
}

static char short_options[] = "hu:l:r";

static struct option long_options[] = {
        {"help",        no_argument,        NULL,   'h'},
        {"logfile",    required_argument,  NULL,   'l'},
        {"reset-tlv",    no_argument,       NULL,   'r'},
        {"node",    required_argument,  NULL,   'u'},
        {0, 0, 0, 0}
};

static char *help_options[] = {
        "print (this) help.",
        "set file to store debug output and HCI trace.",
        "reset bonding information stored in TLV.",
        "set name of netgraph HCI node. Default: ubt0hci",
};

static char *option_arg_name[] = {
        "",
        "LOGFILE",
        "",
        "NODE",
};

static void usage(const char *name){
    unsigned int i;
    printf( "usage:\n\t%s [options]\n", name );
    printf("valid options:\n");
    for( i=0; long_options[i].name != 0; i++) {
        printf("--%-10s| -%c  %-10s\t\t%s\n", long_options[i].name, long_options[i].val, option_arg_name[i], help_options[i] );
    }
}

int main(int argc, const char * argv[]){

    const char * log_file_path = NULL;

    // set default device path
    config.device_name = "ubt0hci";

    // parse command line parameters
    while(true){
        int c = getopt_long( argc, (char* const *)argv, short_options, long_options, NULL );
        if (c < 0) {
            break;
        }
        if (c == '?'){
            break;
        }
        switch (c) {
            case 'l':
                log_file_path = optarg;
                break;
            case 'u':
                config.device_name = optarg;
                break;
            case 'r':
                tlv_reset = true;
                break;
            case 'h':
            default:
                usage(argv[0]);
                return EXIT_FAILURE;
        }
    }
    /// 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
    if (log_file_path == NULL){
        log_file_path = "/tmp/hci_dump.pklg";
    }

    hci_dump_posix_fs_open(log_file_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", log_file_path);

    // init HCI
	const hci_transport_t * transport = hci_transport_netgraph_instance();
    config.type = HCI_TRANSPORT_CONFIG_USB;
	hci_init(transport, &config);

#ifdef HAVE_PORTAUDIO
    btstack_audio_sink_set_instance(btstack_audio_portaudio_sink_get_instance());
    btstack_audio_source_set_instance(btstack_audio_portaudio_source_get_instance());
#endif

    // 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);

    // go
    btstack_run_loop_execute();    

    return 0;
}