/*
* Copyright (C) 2011-2013 by Matthias Ringwald
*
* 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. This software may not be used in a commercial product
* without an explicit license granted by the copyright holder.
*
* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD 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.
*
*/
// *****************************************************************************
//
// BLE Peripheral Demo
//
// *****************************************************************************
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/uio.h>
#include <unistd.h>
#include <termios.h>
#include "btstack-config.h"
#include <btstack/run_loop.h>
#include "debug.h"
#include "btstack_memory.h"
#include "hci.h"
#include "hci_dump.h"
#include "l2cap.h"
#include "sm.h"
#include "att.h"
#include "att_server.h"
#include "gap_le.h"
#include "central_device_db.h"
#define HEARTBEAT_PERIOD_MS 1000
// test profile
#include "profile.h"
enum {
DISABLE_ADVERTISEMENTS = 1 << 0,
SET_ADVERTISEMENT_PARAMS = 1 << 1,
SET_ADVERTISEMENT_DATA = 1 << 2,
SET_SCAN_RESPONSE_DATA = 1 << 3,
ENABLE_ADVERTISEMENTS = 1 << 4,
};
static uint16_t todos = 0;
///------
static int advertisements_enabled = 0;
static int gap_advertisements = 0;
static int gap_discoverable = 0;
static int gap_connectable = 0;
static int gap_privacy = 0;
static int gap_random = 0;
static int gap_bondable = 0;
static int gap_directed_connectable = 0;
static int gap_scannable = 0;
static char gap_device_name[20];
static uint16_t gap_appearance = 0;
static bd_addr_t gap_reconnection_address;
static int att_default_value_long = 0;
// static uint8_t test_irk[] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
static uint8_t test_irk[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static char * sm_io_capabilities = NULL;
static int sm_mitm_protection = 0;
static int sm_have_oob_data = 0;
static uint8_t * sm_oob_data = (uint8_t *) "0123456789012345"; // = { 0x30...0x39, 0x30..0x35}
// static uint8_t sm_oob_data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
static int sm_min_key_size = 7;
static int master_addr_type;
static bd_addr_t master_address;
static int ui_passkey = 0;
static int ui_digits_for_passkey = 0;
static timer_source_t heartbeat;
static uint8_t counter = 0;
static int update_client = 0;
static int client_configuration = 0;
static uint16_t client_configuration_handle;
static uint16_t handle = 0;
static void app_run();
static void show_usage();
static void update_advertisements();
// static bd_addr_t tester_address = {0x00, 0x1B, 0xDC, 0x06, 0x07, 0x5F};
static bd_addr_t tester_address = {0x00, 0x1B, 0xDC, 0x07, 0x32, 0xef};
static int tester_address_type = 0;
// general discoverable flags
static uint8_t adv_general_discoverable[] = { 2, 01, 02 };
// non discoverable flags
static uint8_t adv_non_discoverable[] = { 2, 01, 00 };
// AD Manufacturer Specific Data - Ericsson, 1, 2, 3, 4
static uint8_t adv_data_1[] = { 7, 0xff, 0x00, 0x00, 1, 2, 3, 4 };
// AD Local Name - 'BTstack'
static uint8_t adv_data_2[] = { 8, 0x09, 'B', 'T', 's', 't', 'a', 'c', 'k' };
// AD Flags - 2 - General Discoverable mode -- flags are always prepended
static uint8_t adv_data_3[] = { };
// AD Service Data - 0x1812 HID over LE
static uint8_t adv_data_4[] = { 3, 0x16, 0x12, 0x18 };
// AD Service Solicitation - 0x1812 HID over LE
static uint8_t adv_data_5[] = { 3, 0x14, 0x12, 0x18 };
// AD Services
static uint8_t adv_data_6[] = { 3, 0x03, 0x12, 0x18 };
// AD Slave Preferred Connection Interval Range - no min, no max
static uint8_t adv_data_7[] = { 5, 0x12, 0xff, 0xff, 0xff, 0xff };
// AD Tx Power Level - +4 dBm
static uint8_t adv_data_8[] = { 2, 0x0a, 4 };
// AD OOB
static uint8_t adv_data_9[] = { 2, 0x11, 3 };
// AD TK Value
static uint8_t adv_data_0[] = { 17, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
// AD LE Bluetooth Device Address - 66:55:44:33:22:11 public address
static uint8_t adv_data_le_bd_addr[] = { 8, 0x1b, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x00};
// AD Appearance
static uint8_t adv_data_appearance[] = { 3, 0x19, 0x00, 0x00};
// AD LE Role - Peripheral only
static uint8_t adv_data_le_role[] = {2 , 0x1c, 0x00};
// AD Public Target Address
static uint8_t adv_data_public_target_address[] = { 7, 0x17, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
// AD Random Target Address
static uint8_t adv_data_random_target_address[] = { 7, 0x18, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
// AD Advertising Interval
static uint8_t adv_data_advertising_interval[] = { 3, 0x1a, 0x00, 0x80};
static uint8_t adv_data_len;
static uint8_t adv_data[32];
// static uint8_t scan_data_len;
// static uint8_t scan_data[32];
typedef struct {
uint16_t len;
uint8_t * data;
} advertisement_t;
#define ADV(a) { sizeof(a), &a[0]}
static advertisement_t advertisements[] = {
ADV(adv_data_0),
ADV(adv_data_1),
ADV(adv_data_2),
ADV(adv_data_3),
ADV(adv_data_4),
ADV(adv_data_5),
ADV(adv_data_6),
ADV(adv_data_7),
ADV(adv_data_8),
ADV(adv_data_9),
ADV(adv_data_le_bd_addr),
ADV(adv_data_appearance),
ADV(adv_data_le_role),
ADV(adv_data_public_target_address),
ADV(adv_data_random_target_address),
ADV(adv_data_advertising_interval),
};
static int advertisement_index = 2;
// att write queue engine
static const char default_value_long[] = "abcdefghijklmnopqrstuvwxyz";
static const char default_value_short[] = "a";
#define ATT_VALUE_MAX_LEN 26
typedef struct {
uint16_t handle;
uint16_t len;
uint8_t value[ATT_VALUE_MAX_LEN];
} attribute_t;
#define ATT_NUM_WRITE_QUEUES 2
static attribute_t att_write_queues[ATT_NUM_WRITE_QUEUES];
#define ATT_NUM_ATTRIBUTES 10
static attribute_t att_attributes[ATT_NUM_ATTRIBUTES];
static void att_write_queue_init(){
int i;
for (i=0;i<ATT_NUM_WRITE_QUEUES;i++){
att_write_queues[i].handle = 0;
}
}
static int att_write_queue_for_handle(uint16_t handle){
int i;
for (i=0;i<ATT_NUM_WRITE_QUEUES;i++){
if (att_write_queues[i].handle == handle){
return i;
}
}
for (i=0;i<ATT_NUM_WRITE_QUEUES;i++){
if (att_write_queues[i].handle == 0){
att_write_queues[i].handle = handle;
memset(att_write_queues[i].value, 0, ATT_VALUE_MAX_LEN);
att_write_queues[i].len = 0;
return i;
}
}
return -1;
}
static void att_attributes_init(){
int i;
for (i=0;i<ATT_NUM_ATTRIBUTES;i++){
att_attributes[i].handle = 0;
}
}
// handle == 0 finds free attribute
static int att_attribute_for_handle(uint16_t handle){
int i;
for (i=0;i<ATT_NUM_ATTRIBUTES;i++){
if (att_attributes[i].handle == handle) {
return i;
}
}
return -1;
}
static void heartbeat_handler(struct timer *ts){
// restart timer
run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS);
run_loop_add_timer(ts);
counter++;
update_client = 1;
app_run();
}
static void app_run(){
if (!update_client) return;
if (!att_server_can_send()) return;
int result = -1;
switch (client_configuration){
case 0x01:
printf("Notify value %u\n", counter);
result = att_server_notify(client_configuration_handle - 1, &counter, 1);
break;
case 0x02:
printf("Indicate value %u\n", counter);
result = att_server_indicate(client_configuration_handle - 1, &counter, 1);
break;
default:
return;
}
if (result){
printf("Error 0x%02x\n", result);
return;
}
update_client = 0;
}
// ATT Client Read Callback for Dynamic Data
// - if buffer == NULL, don't copy data, just return size of value
// - if buffer != NULL, copy data and return number bytes copied
// @param offset defines start of attribute value
static uint16_t att_read_callback(uint16_t con_handle, uint16_t attribute_handle, uint16_t offset, uint8_t * buffer, uint16_t buffer_size){
printf("READ Callback, handle %04x, offset %u, buffer size %u\n", handle, offset, buffer_size);
uint16_t att_value_len;
uint16_t uuid16 = att_uuid_for_handle(handle);
switch (uuid16){
case 0x2902:
if (buffer) {
buffer[0] = client_configuration;
}
return 1;
case 0x2a00:
att_value_len = strlen(gap_device_name);
if (buffer) {
memcpy(buffer, gap_device_name, att_value_len);
}
return att_value_len;
case 0x2a01:
if (buffer){
bt_store_16(buffer, 0, gap_appearance);
}
return 2;
case 0x2a02:
if (buffer){
buffer[0] = gap_privacy;
}
return 1;
case 0x2A03:
if (buffer) {
bt_flip_addr(buffer, gap_reconnection_address);
}
return 6;
// handle device name
// handle appearance
default:
break;
}
// find attribute
int index = att_attribute_for_handle(handle);
uint8_t * att_value;
if (index < 0){
// not written before
if (att_default_value_long){
att_value = (uint8_t*) default_value_long;
att_value_len = strlen(default_value_long);
} else {
att_value = (uint8_t*) default_value_short;
att_value_len = strlen(default_value_short);
}
} else {
att_value = att_attributes[index].value;
att_value_len = att_attributes[index].len;
}
printf("Attribute len %u, data: ", att_value_len);
printf_hexdump(att_value, att_value_len);
// assert offset <= att_value_len
if (offset > att_value_len) {
return 0;
}
uint16_t bytes_to_copy = att_value_len - offset;
if (!buffer) return bytes_to_copy;
if (bytes_to_copy > buffer_size){
bytes_to_copy = buffer_size;
}
memcpy(buffer, &att_value[offset], bytes_to_copy);
return bytes_to_copy;
}
// write requests
static int att_write_callback(uint16_t con_handle, uint16_t attribute_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size){
printf("WRITE Callback, handle %04x, mode %u, offset %u, data: ", handle, transaction_mode, offset);
printf_hexdump(buffer, buffer_size);
uint16_t uuid16 = att_uuid_for_handle(handle);
switch (uuid16){
case 0x2902:
client_configuration = buffer[0];
client_configuration_handle = handle;
printf("Client Configuration set to %u for handle %04x\n", client_configuration, handle);
return 0; // ok
case 0x2a00:
memcpy(gap_device_name, buffer, buffer_size);
gap_device_name[buffer_size]=0;
printf("Setting device name to '%s'\n", gap_device_name);
return 0;
case 0x2a01:
gap_appearance = READ_BT_16(buffer, 0);
printf("Setting appearance to 0x%04x'\n", gap_appearance);
return 0;
case 0x2a02:
gap_privacy = buffer[0];
printf("Setting privacy to 0x%04x'\n", gap_privacy);
update_advertisements();
return 0;
case 0x2A03:
bt_flip_addr(gap_reconnection_address, buffer);
printf("Setting Reconnection Address to %s\n", bd_addr_to_str(gap_reconnection_address));
return 0;
// handle device name
// handle appearance
}
// check transaction mode
int attributes_index;
int writes_index;
switch (transaction_mode){
case ATT_TRANSACTION_MODE_NONE:
attributes_index = att_attribute_for_handle(handle);
if (attributes_index < 0){
attributes_index = att_attribute_for_handle(0);
if (attributes_index < 0) return 0; // ok, but we couldn't store it (our fault)
att_attributes[attributes_index].handle = handle;
// not written before
uint8_t * att_value;
uint16_t att_value_len;
if (att_default_value_long){
att_value = (uint8_t*) default_value_long;
att_value_len = strlen(default_value_long);
} else {
att_value = (uint8_t*) default_value_short;
att_value_len = strlen(default_value_short);
}
att_attributes[attributes_index].len = att_value_len;
}
if (buffer_size > att_attributes[attributes_index].len) return ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH;
att_attributes[attributes_index].len = buffer_size;
memcpy(att_attributes[attributes_index].value, buffer, buffer_size);
break;
case ATT_TRANSACTION_MODE_ACTIVE:
writes_index = att_write_queue_for_handle(handle);
if (writes_index < 0) return ATT_ERROR_PREPARE_QUEUE_FULL;
if (offset > att_write_queues[writes_index].len) return ATT_ERROR_INVALID_OFFSET;
if (buffer_size + offset > ATT_VALUE_MAX_LEN) return ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH;
att_write_queues[writes_index].len = buffer_size + offset;
memcpy(&(att_write_queues[writes_index].value[offset]), buffer, buffer_size);
break;
case ATT_TRANSACTION_MODE_EXECUTE:
for (writes_index=0 ; writes_index<ATT_NUM_WRITE_QUEUES ; writes_index++){
handle = att_write_queues[writes_index].handle;
if (handle == 0) continue;
attributes_index = att_attribute_for_handle(handle);
if (attributes_index < 0){
attributes_index = att_attribute_for_handle(0);
if (attributes_index < 0) continue;
att_attributes[attributes_index].handle = handle;
}
att_attributes[attributes_index].len = att_write_queues[writes_index].len;
memcpy(att_attributes[attributes_index].value, att_write_queues[writes_index].value, att_write_queues[writes_index].len);
}
att_write_queue_init();
break;
case ATT_TRANSACTION_MODE_CANCEL:
att_write_queue_init();
break;
}
return 0;
}
static uint8_t gap_adv_type(){
if (gap_scannable) return 0x02;
if (gap_directed_connectable) return 0x01;
if (!gap_connectable) return 0x03;
return 0x00;
}
static void gap_run(){
if (!hci_can_send_command_packet_now()) return;
if (todos & DISABLE_ADVERTISEMENTS){
todos &= ~DISABLE_ADVERTISEMENTS;
printf("GAP_RUN: disable advertisements\n");
advertisements_enabled = 0;
hci_send_cmd(&hci_le_set_advertise_enable, 0);
return;
}
if (todos & SET_ADVERTISEMENT_DATA){
printf("GAP_RUN: set advertisement data\n");
todos &= ~SET_ADVERTISEMENT_DATA;
hci_send_cmd(&hci_le_set_advertising_data, adv_data_len, adv_data);
return;
}
if (todos & SET_ADVERTISEMENT_PARAMS){
todos &= ~SET_ADVERTISEMENT_PARAMS;
uint8_t adv_type = gap_adv_type();
bd_addr_t null_addr;
memset(null_addr, 0, 6);
uint16_t adv_int_min = 0x800;
uint16_t adv_int_max = 0x800;
switch (adv_type){
case 0:
case 2:
case 3:
hci_send_cmd(&hci_le_set_advertising_parameters, adv_int_min, adv_int_max, adv_type, gap_random, 0, &null_addr, 0x07, 0x00);
break;
case 1:
case 4:
hci_send_cmd(&hci_le_set_advertising_parameters, adv_int_min, adv_int_max, adv_type, gap_random, tester_address_type, &tester_address, 0x07, 0x00);
break;
}
return;
}
if (todos & SET_SCAN_RESPONSE_DATA){
printf("GAP_RUN: set scan response data\n");
todos &= ~SET_SCAN_RESPONSE_DATA;
hci_send_cmd(&hci_le_set_scan_response_data, adv_data_len, adv_data);
// hack for menu
if ((todos & ENABLE_ADVERTISEMENTS) == 0) show_usage();
return;
}
if (todos & ENABLE_ADVERTISEMENTS){
printf("GAP_RUN: enable advertisements\n");
todos &= ~ENABLE_ADVERTISEMENTS;
advertisements_enabled = 1;
hci_send_cmd(&hci_le_set_advertise_enable, 1);
show_usage();
return;
}
}
static void app_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
switch (packet_type) {
case HCI_EVENT_PACKET:
switch (packet[0]) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING) {
printf("SM Init completed\n");
todos = SET_ADVERTISEMENT_PARAMS | SET_ADVERTISEMENT_DATA | SET_SCAN_RESPONSE_DATA | ENABLE_ADVERTISEMENTS;
update_advertisements();
gap_run();
}
break;
case HCI_EVENT_LE_META:
switch (packet[2]) {
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE:
advertisements_enabled = 0;
handle = READ_BT_16(packet, 4);
printf("Connection handle 0x%04x\n", handle);
// request connection parameter update - test parameters
// l2cap_le_request_connection_parameter_update(READ_BT_16(packet, 4), 20, 1000, 100, 100);
break;
default:
break;
}
break;
case HCI_EVENT_DISCONNECTION_COMPLETE:
if (!advertisements_enabled == 0 && gap_discoverable){
todos = ENABLE_ADVERTISEMENTS;
}
att_attributes_init();
att_write_queue_init();
break;
case SM_PASSKEY_INPUT_NUMBER: {
// display number
sm_event_t * event = (sm_event_t *) packet;
memcpy(master_address, event->address, 6);
master_addr_type = event->addr_type;
printf("\nGAP Bonding %s (%u): Enter 6 digit passkey: '", bd_addr_to_str(master_address), master_addr_type);
fflush(stdout);
ui_passkey = 0;
ui_digits_for_passkey = 6;
break;
}
case SM_PASSKEY_DISPLAY_NUMBER: {
// display number
sm_event_t * event = (sm_event_t *) packet;
printf("\nGAP Bonding %s (%u): Display Passkey '%06u\n", bd_addr_to_str(master_address), master_addr_type, event->passkey);
break;
}
case SM_PASSKEY_DISPLAY_CANCEL:
printf("\nGAP Bonding %s (%u): Display cancel\n", bd_addr_to_str(master_address), master_addr_type);
break;
case SM_AUTHORIZATION_REQUEST: {
// auto-authorize connection if requested
sm_event_t * event = (sm_event_t *) packet;
sm_authorization_grant(event->addr_type, event->address);
break;
}
case ATT_HANDLE_VALUE_INDICATION_COMPLETE:
printf("ATT_HANDLE_VALUE_INDICATION_COMPLETE status %u\n", packet[2]);
break;
default:
break;
}
}
gap_run();
}
void show_usage(){
printf("\n--- CLI for LE Peripheral ---\n");
printf("GAP: discoverable %u, connectable %u, bondable %u, directed connectable %u, random addr %u, ads enabled %u, adv type %u \n",
gap_discoverable, gap_connectable, gap_bondable, gap_directed_connectable, gap_random, gap_advertisements, gap_adv_type());
printf("ADV: "); printf_hexdump(adv_data, adv_data_len);
printf("SM: %s, MITM protection %u, OOB data %u, key range [%u..16]\n",
sm_io_capabilities, sm_mitm_protection, sm_have_oob_data, sm_min_key_size);
printf("Default value: '%s'\n", att_default_value_long ? default_value_long : default_value_short);
printf("Privacy %u\n", gap_privacy);
printf("Device name %s\n", gap_device_name);
printf("---\n");
printf("a/A - advertisements off/on\n");
printf("b/B - bondable off/on\n");
printf("c/C - connectable off\n");
printf("d/D - discoverable off\n");
printf("r/R - random address off/on\n");
printf("x/X - directed connectable off\n");
printf("y/Y - scannable on/off\n");
printf("---\n");
printf("1 - AD Manufacturer Data | 7 - AD Slave Preferred... | = - AD Public Target Address\n");
printf("2 - AD Local Name | 8 - AD Tx Power Level | / - AD Random Target Address\n");
printf("3 - AD flags | 9 - AD SM OOB | # - AD Advertising interval\n");
printf("4 - AD Service Data | 0 - AD SM TK | & - AD LE Role\n");
printf("5 - AD Service Solicitation | + - AD LE BD_ADDR\n");
printf("6 - AD Services | - - AD Appearance\n");
printf("---\n");
printf("l/L - default attribute value '%s'/'%s'\n", default_value_short, default_value_long);
printf("p/P - privacy flag off\n");
printf("s - send security request\n");
printf("z - send Connection Parameter Update Request\n");
printf("t - terminate connection\n");
printf("j - create L2CAP LE connection to %s\n", bd_addr_to_str(tester_address));
printf("---\n");
printf("e - IO_CAPABILITY_DISPLAY_ONLY\n");
printf("f - IO_CAPABILITY_DISPLAY_YES_NO\n");
printf("g - IO_CAPABILITY_NO_INPUT_NO_OUTPUT\n");
printf("h - IO_CAPABILITY_KEYBOARD_ONLY\n");
printf("i - IO_CAPABILITY_KEYBOARD_DISPLAY\n");
printf("o/O - OOB data off/on ('%s')\n", sm_oob_data);
printf("m/M - MITM protection off\n");
printf("k/k - encryption key range [7..16]/[16..16]\n");
printf("---\n");
printf("Ctrl-c - exit\n");
printf("---\n");
}
void update_advertisements(){
// update adv data
memset(adv_data, 0, 32);
adv_data_len = 0;
// add "Flags"
if (gap_discoverable){
memcpy(adv_data, adv_general_discoverable, sizeof(adv_general_discoverable));
adv_data_len += sizeof(adv_general_discoverable);
} else {
memcpy(adv_data, adv_non_discoverable, sizeof(adv_non_discoverable));
adv_data_len += sizeof(adv_non_discoverable);
}
// append selected adv data
memcpy(&adv_data[adv_data_len], advertisements[advertisement_index].data, advertisements[advertisement_index].len);
adv_data_len += advertisements[advertisement_index].len;
todos = SET_ADVERTISEMENT_PARAMS | SET_ADVERTISEMENT_DATA | SET_SCAN_RESPONSE_DATA;
// disable advertisements, if thez are active
if (advertisements_enabled){
todos |= DISABLE_ADVERTISEMENTS;
}
// enable advertisements, if they should be on
if (gap_advertisements) {
todos |= ENABLE_ADVERTISEMENTS;
}
gap_run();
}
void update_auth_req(){
uint8_t auth_req = 0;
if (sm_mitm_protection){
auth_req |= SM_AUTHREQ_MITM_PROTECTION;
}
if (gap_bondable){
auth_req |= SM_AUTHREQ_BONDING;
}
sm_set_authentication_requirements(auth_req);
}
int stdin_process(struct data_source *ds){
char buffer;
read(ds->fd, &buffer, 1);
// passkey input
if (ui_digits_for_passkey){
if (buffer < '0' || buffer > '9') return 0;
printf("%c", buffer);
fflush(stdout);
ui_passkey = ui_passkey * 10 + buffer - '0';
ui_digits_for_passkey--;
if (ui_digits_for_passkey == 0){
printf("\nSending Passkey '%06x'\n", ui_passkey);
sm_passkey_input(master_addr_type, master_address, ui_passkey);
}
return 0;
}
switch (buffer){
case 'a':
gap_advertisements = 0;
update_advertisements();
show_usage();
break;
case 'A':
gap_advertisements = 1;
update_advertisements();
show_usage();
break;
case 'b':
gap_bondable = 0;
sm_set_authentication_requirements(SM_AUTHREQ_NO_BONDING);
show_usage();
break;
case 'B':
gap_bondable = 1;
sm_set_authentication_requirements(SM_AUTHREQ_BONDING);
show_usage();
break;
case 'c':
gap_connectable = 0;
update_advertisements();
break;
case 'C':
gap_connectable = 1;
update_advertisements();
break;
case 'd':
gap_discoverable = 0;
update_advertisements();
break;
case 'D':
gap_discoverable = 1;
update_advertisements();
break;
case 'r':
gap_random = 0;
update_advertisements();
break;
case 'R':
gap_random = 1;
update_advertisements();
break;
case 'x':
gap_directed_connectable = 0;
update_advertisements();
break;
case 'X':
gap_directed_connectable = 1;
update_advertisements();
break;
case 'y':
gap_scannable = 0;
update_advertisements();
break;
case 'Y':
gap_scannable = 1;
update_advertisements();
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '0':
advertisement_index = buffer - '0';
update_advertisements();
break;
case '+':
advertisement_index = 10;
update_advertisements();
break;
case '-':
advertisement_index = 11;
update_advertisements();
break;
case '&':
advertisement_index = 12;
update_advertisements();
break;
case '=':
advertisement_index = 13;
update_advertisements();
break;
case '/':
advertisement_index = 14;
update_advertisements();
break;
case '#':
advertisement_index = 15;
update_advertisements();
break;
case 's':
printf("SM: sending security request\n");
sm_send_security_request();
break;
case 'e':
sm_io_capabilities = "IO_CAPABILITY_DISPLAY_ONLY";
sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_ONLY);
show_usage();
break;
case 'f':
sm_io_capabilities = "IO_CAPABILITY_DISPLAY_YES_NO";
sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_YES_NO);
show_usage();
break;
case 'g':
sm_io_capabilities = "IO_CAPABILITY_NO_INPUT_NO_OUTPUT";
sm_set_io_capabilities(IO_CAPABILITY_NO_INPUT_NO_OUTPUT);
show_usage();
break;
case 'h':
sm_io_capabilities = "IO_CAPABILITY_KEYBOARD_ONLY";
sm_set_io_capabilities(IO_CAPABILITY_KEYBOARD_ONLY);
show_usage();
break;
case 'i':
sm_io_capabilities = "IO_CAPABILITY_KEYBOARD_DISPLAY";
sm_set_io_capabilities(IO_CAPABILITY_KEYBOARD_DISPLAY);
show_usage();
break;
case 't':
printf("Terminating connection\n");
hci_send_cmd(&hci_disconnect, handle, 0x13);
break;
case 'z':
printf("Sending l2cap connection update parameter request\n");
l2cap_le_request_connection_parameter_update(handle, 50, 120, 0, 550);
break;
case 'l':
att_default_value_long = 0;
show_usage();
break;
case 'L':
att_default_value_long = 1;
show_usage();
break;
case 'p':
gap_privacy = 0;
show_usage();
break;
case 'P':
gap_privacy = 1;
show_usage();
break;
case 'o':
sm_have_oob_data = 0;
show_usage();
break;
case 'O':
sm_have_oob_data = 1;
show_usage();
break;
case 'k':
sm_min_key_size = 7;
sm_set_encryption_key_size_range(7, 16);
show_usage();
break;
case 'K':
sm_min_key_size = 16;
sm_set_encryption_key_size_range(16, 16);
show_usage();
break;
case 'm':
sm_mitm_protection = 0;
update_auth_req();
show_usage();
break;
case 'M':
sm_mitm_protection = 1;
update_auth_req();
show_usage();
break;
case 'j':
printf("Create L2CAP Connection to %s\n", bd_addr_to_str(tester_address));
hci_send_cmd(&hci_le_create_connection,
1000, // scan interval: 625 ms
1000, // scan interval: 625 ms
0, // don't use whitelist
0, // peer address type: public
tester_address, // remote bd addr
tester_address_type, // random or public
80, // conn interval min
80, // conn interval max (3200 * 0.625)
0, // conn latency
2000, // supervision timeout
0, // min ce length
1000 // max ce length
);
break;
default:
show_usage();
break;
}
return 0;
}
static int get_oob_data_callback(uint8_t addres_type, bd_addr_t * addr, uint8_t * oob_data){
if(!sm_have_oob_data) return 0;
memcpy(oob_data, sm_oob_data, 16);
return 1;
}
static data_source_t stdin_source;
void setup_cli(){
struct termios term = {0};
if (tcgetattr(0, &term) < 0)
perror("tcsetattr()");
term.c_lflag &= ~ICANON;
term.c_lflag &= ~ECHO;
term.c_cc[VMIN] = 1;
term.c_cc[VTIME] = 0;
if (tcsetattr(0, TCSANOW, &term) < 0)
perror("tcsetattr ICANON");
stdin_source.fd = 0; // stdin
stdin_source.process = &stdin_process;
run_loop_add_data_source(&stdin_source);
}
#if defined(HAVE_UART_CSR) || defined(HAVE_UART_CC256x)
static hci_uart_config_t hci_uart_config = {
// "/dev/tty.usbserial-A40081HW",
"/dev/tty.usbserial-AD025KU2",
115200,
0, // 1000000,
1
};
#endif
void setup(void){
}
int btstack_main(int argc, const char * argv[]);
int btstack_main(int argc, const char * argv[]){
printf("BTstack LE Peripheral starting up...\n");
// set up l2cap_le
l2cap_init();
// setup central device db
central_device_db_init();
// setup SM: Display only
sm_init();
sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_ONLY);
sm_set_authentication_requirements( SM_AUTHREQ_BONDING | SM_AUTHREQ_MITM_PROTECTION);
// setup ATT server
att_server_init(profile_data, att_read_callback, att_write_callback);
att_write_queue_init();
att_attributes_init();
att_server_register_packet_handler(app_packet_handler);
att_dump_attributes();
setup_cli();
gap_random_address_set_update_period(300000);
gap_random_address_set_mode(GAP_RANDOM_ADDRESS_RESOLVABLE);
strcpy(gap_device_name, "BTstack");
sm_set_io_capabilities(IO_CAPABILITY_NO_INPUT_NO_OUTPUT);
sm_io_capabilities = "IO_CAPABILITY_NO_INPUT_NO_OUTPUT";
sm_set_authentication_requirements(0);
sm_register_oob_data_callback(get_oob_data_callback);
sm_set_encryption_key_size_range(sm_min_key_size, 16);
sm_test_set_irk(test_irk);
// set one-shot timer
heartbeat.process = &heartbeat_handler;
run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
run_loop_add_timer(&heartbeat);
// turn on!
hci_power_control(HCI_POWER_ON);
// go!
run_loop_execute();
// happy compiler!
return 0;
}