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support for random bd_addr to help with windows testing

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matthias.ringwald 2010-11-07 08:57:58 +00:00
parent 8c0e108c98
commit 2c61e0bcff
1 changed files with 17 additions and 2 deletions
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19
src/bt_control_iphone.m
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@ -46,7 +46,7 @@
#include "hci.h"
#include <sys/utsname.h> // uname
#include <stdlib.h> // system
#include <stdlib.h> // system, random, srandom
#include <stdio.h> // sscanf, printf
#include <fcntl.h> // open
#include <string.h> // strcpy, strcat, strncmp
@ -144,7 +144,7 @@ static void ioregistry_get_info() {
// dump info
printf("local-mac-address: ");
hexdump(local_mac_address, local_mac_address_len);
print_bd_addr(local_mac_address);
printf("\ntransport-speed: %u\n", transport_speed);
#else
// use dummy addr if not on iphone/ipod touch
@ -357,6 +357,21 @@ static int iphone_on (void *transport_config){
// get local0-mac-addr and transport-speed from IORegistry
ioregistry_get_info();
#ifdef USE_RANDOM_BD_ADDR
// While developing an app that emulates a Bluetooth HID keyboard, we've learnt
// that in (some versions/driver combinations of) Windows XP, information about
// a device with incorrect SDP descriptions are stored forever.
//
// To continue development, this option was added that picks a random BD_ADDR
// on start to trick windows in giving us a fresh start on each try.
//
// Use with caution!
srandom(time(NULL));
bt_store_32(local_mac_address, 0, random());
bt_store_16(local_mac_address, 4, random());
#endif
// if baud == 0 use system default
if (hci_uart_config->baudrate == 0) {
hci_uart_config->baudrate = transport_speed;