/*
* 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
*
*/
// *****************************************************************************
//
// 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 "btstack_debug.h"
#include "btstack_event.h"
#include "btstack_link_key_db_fs.h"
#include "btstack_memory.h"
#include "btstack_run_loop.h"
#include "btstack_run_loop_posix.h"
#include "hci.h"
#include "hci_dump.h"
#include "stdin_support.h"
#include "btstack_chipset_bcm.h"
#include "btstack_chipset_csr.h"
#include "btstack_chipset_cc256x.h"
#include "btstack_chipset_em9301.h"
#include "btstack_chipset_stlc2500d.h"
#include "btstack_chipset_tc3566x.h"
int btstack_main(int argc, const char * argv[]);
static hci_transport_config_uart_t config = {
HCI_TRANSPORT_CONFIG_UART,
115200,
0, // main baudrate
1, // flow control
NULL,
};
int is_bcm;
static btstack_packet_callback_registration_t hci_event_callback_registration;
static void local_version_information_handler(uint8_t * packet);
static void sigint_handler(int param){
UNUSED(param);
printf("CTRL-C - SIGINT received, shutting down..\n");
log_info("sigint_handler: shutting down");
// reset anyway
btstack_stdin_reset();
// power down
hci_power_control(HCI_POWER_OFF);
hci_close();
log_info("Good bye, see you.\n");
exit(0);
}
static int led_state = 0;
void hal_led_toggle(void){
led_state = 1 - led_state;
printf("LED State %u\n", led_state);
}
static void use_fast_uart(void){
// printf("Using 921600 baud.\n");
// config.baudrate_main = 921600;
}
static void local_version_information_handler(uint8_t * packet){
printf("Local version information:\n");
uint16_t hci_version = little_endian_read_16(packet, 4);
uint16_t hci_revision = little_endian_read_16(packet, 6);
uint16_t lmp_version = little_endian_read_16(packet, 8);
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 Revision 0x%04x\n", lmp_subversion);
printf("- Manufacturer 0x%04x\n", manufacturer);
switch (manufacturer){
case COMPANY_ID_CAMBRIDGE_SILICON_RADIO:
printf("Cambridge Silicon Radio CSR chipset.\n");
use_fast_uart();
hci_set_chipset(btstack_chipset_csr_instance());
break;
case COMPANY_ID_TEXAS_INSTRUMENTS_INC:
printf("Texas Instruments - CC256x compatible chipset.\n");
use_fast_uart();
hci_set_chipset(btstack_chipset_cc256x_instance());
break;
case COMPANY_ID_BROADCOM_CORPORATION:
printf("Broadcom chipset. Not supported yet\n");
// hci_set_chipset(btstack_chipset_bcm_instance());
break;
case COMPANY_ID_ST_MICROELECTRONICS:
printf("ST Microelectronics - using STLC2500d driver.\n");
use_fast_uart();
hci_set_chipset(btstack_chipset_stlc2500d_instance());
break;
case COMPANY_ID_EM_MICROELECTRONICS_MARIN:
printf("EM Microelectronics - using EM9301 driver.\n");
hci_set_chipset(btstack_chipset_em9301_instance());
break;
default:
printf("Unknown manufacturer / manufacturer not supported yet.\n");
break;
}
}
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:
if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break;
printf("BTstack up and running.\n");
break;
case HCI_EVENT_COMMAND_COMPLETE:
if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_name)){
if (hci_event_command_complete_get_return_parameters(packet)[0]) break;
// terminate, name 248 chars
packet[6+248] = 0;
printf("Local name: %s\n", &packet[6]);
if (is_bcm){
btstack_chipset_bcm_set_device_name((const char *)&packet[6]);
}
}
if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){
local_version_information_handler(packet);
}
break;
default:
break;
}
}
int main(int argc, const char * argv[]){
/// GET STARTED with BTstack ///
btstack_memory_init();
btstack_run_loop_init(btstack_run_loop_posix_get_instance());
// use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER);
// pick serial port
config.device_name = "/dev/tty.usbserial-A900K0VK";
// init HCI
const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance();
const hci_transport_t * transport = hci_transport_h5_instance(uart_driver);
const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
hci_init(transport, (void*) &config);
hci_set_link_key_db(link_key_db);
// enable auto-sleep mode
// hci_transport_h5_set_auto_sleep(300);
// register for HCI events
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
// handle CTRL-c
signal(SIGINT, sigint_handler);
// setup app
btstack_main(argc, argv);
// go
btstack_run_loop_execute();
return 0;
}