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Merge pull request #3865 from leoetlino/third-party-wiimotes 

Change Bluetooth device discovery on Linux to use LIAC (updated #3327)
This commit is contained in:
Matthew Parlane 2016-06-26 00:17:57 +12:00 committed by GitHub
parent a7448271a9 92c572a83d
commit afa202738e
1 changed files with 19 additions and 9 deletions
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28
Source/Core/Core/HW/WiimoteReal/IONix.cpp
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@ -12,7 +12,6 @@
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Core/HW/WiimoteEmu/WiimoteHid.h"
#include "Core/HW/WiimoteReal/WiimoteReal.h"
namespace WiimoteReal
@ -22,6 +21,7 @@ class WiimoteLinux final : public Wiimote
public:
WiimoteLinux(bdaddr_t bdaddr);
~WiimoteLinux() override;
const bdaddr_t& Address() const;
protected:
bool ConnectInternal() override;
@ -82,10 +82,13 @@ void WiimoteScanner::FindWiimotes(std::vector<Wiimote*>& found_wiimotes, Wiimote
inquiry_info scan_infos[max_infos] = {};
auto* scan_infos_ptr = scan_infos;
found_board = nullptr;
// Use Limited Dedicated Inquiry Access Code (LIAC) to query, since third-party Wiimotes
// cannot be discovered without it.
const u8 lap[3] = {0x00, 0x8b, 0x9e};
// Scan for Bluetooth devices
int const found_devices =
hci_inquiry(device_id, wait_len, max_infos, nullptr, &scan_infos_ptr, IREQ_CACHE_FLUSH);
hci_inquiry(device_id, wait_len, max_infos, lap, &scan_infos_ptr, IREQ_CACHE_FLUSH);
if (found_devices < 0)
{
ERROR_LOG(WIIMOTE, "Error searching for Bluetooth devices.");
@ -112,14 +115,16 @@ void WiimoteScanner::FindWiimotes(std::vector<Wiimote*>& found_wiimotes, Wiimote
{
bool new_wiimote = true;
// TODO: do this
// Determine if this Wiimote has already been found.
// for (int j = 0; j < MAX_WIIMOTES && new_wiimote; ++j)
//{
// if (wm[j] && bacmp(&scan_infos[i].bdaddr,&wm[j]->bdaddr) == 0)
// new_wiimote = false;
//}
for (int j = 0; j < MAX_BBMOTES && new_wiimote; ++j)
{
// compare this address with the stored addresses in our global array
// static_cast is OK here, since we're only ever going to have this subclass in g_wiimotes
// on Linux (and likewise, only WiimoteWindows on Windows, etc)
auto connected_wiimote = static_cast<WiimoteLinux*>(g_wiimotes[j]);
if (connected_wiimote && bacmp(&scan_infos[i].bdaddr, &connected_wiimote->Address()) == 0)
new_wiimote = false;
}
if (new_wiimote)
{
@ -165,6 +170,11 @@ WiimoteLinux::~WiimoteLinux()
close(m_wakeup_pipe_r);
}
const bdaddr_t& WiimoteLinux::Address() const
{
return m_bdaddr;
}
// Connect to a Wiimote with a known address.
bool WiimoteLinux::ConnectInternal()
{