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btstack/port/libusb/main.c
Dirk Helbig 9c228539c3 btstack: unified handling of zephyr read static address command 
le_audio: per application unique hci dump file names
2023-09-09 16:35:28 +02:00

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/*
* 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 <getopt.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <hci_dump_posix_stdout.h>
#include "btstack_config.h"
#include "ble/le_device_db_tlv.h"
#include "bluetooth_company_id.h"
#include "btstack_audio.h"
#include "btstack_chipset_realtek.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 "classic/btstack_link_key_db_tlv.h"
#include "hal_led.h"
#include "hci.h"
#include "hci_dump.h"
#include "hci_dump_posix_fs.h"
#include "hci_transport.h"
#include "hci_transport_usb.h"
#define USB_VENDOR_ID_REALTEK 0x0bda
#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;
int btstack_main(int argc, const char * argv[]);
static bd_addr_t static_address;
static int using_static_address;
static btstack_packet_callback_registration_t hci_event_callback_registration;
// shutdown
static bool shutdown_triggered;
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);
switch (manufacturer){
case BLUETOOTH_COMPANY_ID_THE_LINUX_FOUNDATION:
printf("- Linux Foundation - assume Zephyr hci_usb firmware running on nRF52xx\n");
// setup Zephyr chipset support
hci_set_chipset(btstack_chipset_zephyr_instance());
// sm required to setup static random Bluetooth address
sm_init();
break;
default:
break;
}
}
static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
UNUSED(channel);
UNUSED(size);
uint8_t i;
uint8_t usb_path_len;
const uint8_t * usb_path;
uint16_t product_id;
uint16_t vendor_id;
const uint8_t * params;
if (packet_type != HCI_EVENT_PACKET) return;
switch (hci_event_packet_get_type(packet)){
case HCI_EVENT_TRANSPORT_USB_INFO:
usb_path_len = hci_event_transport_usb_info_get_path_len(packet);
usb_path = hci_event_transport_usb_info_get_path(packet);
// print device path
product_id = hci_event_transport_usb_info_get_product_id(packet);
vendor_id = hci_event_transport_usb_info_get_vendor_id(packet);
printf("USB device 0x%04x/0x%04x, path: ", vendor_id, product_id);
for (i=0;i<usb_path_len;i++){
if (i) printf("-");
printf("%02x", usb_path[i]);
}
printf("\n");
// set Product ID for Realtek Controllers and use Realtek-specific stack startup
if (vendor_id == USB_VENDOR_ID_REALTEK) {
printf("Realtek Controller - requires firmware and config download\n");
btstack_chipset_realtek_set_product_id(product_id);
hci_set_chipset(btstack_chipset_realtek_instance());
hci_enable_custom_pre_init();
}
break;
case BTSTACK_EVENT_STATE:
switch (btstack_event_state_get_state(packet)){
case HCI_STATE_WORKING:
gap_local_bd_addr(local_addr);
if (using_static_address){
memcpy(local_addr, static_address, 6);
}
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
printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr));
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_READ_LOCAL_VERSION_INFORMATION:
local_version_information_handler(packet);
break;
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(&params[2], static_address);
gap_random_address_set(static_address);
using_static_address = 1;
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);
}
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'},
{"usbpath", 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 USB path to Bluetooth Controller.",
};
static char *option_arg_name[] = {
"",
"LOGFILE",
"",
"USBPATH",
};
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] );
}
}
#define USB_MAX_PATH_LEN 7
int main(int argc, const char * argv[]){
uint8_t usb_path[USB_MAX_PATH_LEN];
int usb_path_len = 0;
const char * usb_path_string = NULL;
const char * log_file_path = NULL;
// 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 'u':
usb_path_string = optarg;
break;
case 'l':
log_file_path = optarg;
break;
case 'r':
tlv_reset = true;
break;
case 'h':
default:
usage(argv[0]);
return EXIT_FAILURE;
}
}
if (usb_path_string != NULL){
// parse command line options for "-u 11:22:33"
printf("Specified USB Path: ");
while (1){
char * delimiter;
int port = strtol(usb_path_string, &delimiter, 16);
usb_path[usb_path_len] = port;
usb_path_len++;
printf("%02x ", port);
if (!delimiter) break;
if (*delimiter != ':' && *delimiter != '-') break;
usb_path_string = delimiter+1;
}
printf("\n");
}
/// GET STARTED with BTstack ///
btstack_memory_init();
btstack_run_loop_init(btstack_run_loop_posix_get_instance());
if (usb_path_len){
hci_transport_usb_set_path(usb_path_len, usb_path);
}
// log into file using HCI_DUMP_PACKETLOGGER format
char pklg_path[100];
if (log_file_path == NULL){
btstack_strcpy(pklg_path, sizeof(pklg_path), "/tmp/hci_dump");
if (usb_path_len){
btstack_strcat(pklg_path, sizeof(pklg_path), "_");
btstack_strcat(pklg_path, sizeof(pklg_path), usb_path_string);
}
btstack_strcat(pklg_path, sizeof(pklg_path), ".pklg");
log_file_path = pklg_path;
}
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
hci_init(hci_transport_usb_instance(), NULL);
#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);
// register known Realtek USB Controllers
uint16_t realtek_num_controllers = btstack_chipset_realtek_get_num_usb_controllers();
uint16_t i;
for (i=0;i<realtek_num_controllers;i++){
uint16_t vendor_id;
uint16_t product_id;
btstack_chipset_realtek_get_vendor_product_id(i, &vendor_id, &product_id);
hci_transport_usb_add_device(vendor_id, product_id);
}
// setup app
btstack_main(argc, argv);
// go
btstack_run_loop_execute();
return 0;
}
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