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Merge pull request #3555 from mathieui/gcadapter_payload 

Fix a bug in GCAdapter
This commit is contained in:
Pierre Bourdon 2016-01-25 10:42:28 +01:00
parent c822afb2cb 07caff35ad
commit 7b4e965465
1 changed files with 8 additions and 4 deletions
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12
Source/Core/InputCommon/GCAdapter.cpp
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@ -32,7 +32,7 @@ static std::mutex s_mutex;
static u8 s_controller_payload[37];
static u8 s_controller_payload_swap[37];
static int s_controller_payload_size = 0;
static std::atomic<int> s_controller_payload_size = {0};
static std::thread s_adapter_thread;
static Common::Flag s_adapter_thread_running;
@ -56,13 +56,15 @@ static u64 s_last_init = 0;
static void Read()
{
int payload_size = 0;
while (s_adapter_thread_running.IsSet())
{
libusb_interrupt_transfer(s_handle, s_endpoint_in, s_controller_payload_swap, sizeof(s_controller_payload_swap), &s_controller_payload_size, 16);
libusb_interrupt_transfer(s_handle, s_endpoint_in, s_controller_payload_swap, sizeof(s_controller_payload_swap), &payload_size, 16);
{
std::lock_guard<std::mutex> lk(s_mutex);
std::swap(s_controller_payload_swap, s_controller_payload);
s_controller_payload_size.store(payload_size);
}
Common::YieldCPU();
@ -359,16 +361,18 @@ void Input(int chan, GCPadStatus* pad)
if (s_handle == nullptr || !s_detected)
return;
int payload_size = 0;
u8 controller_payload_copy[37];
{
std::lock_guard<std::mutex> lk(s_mutex);
std::copy(std::begin(s_controller_payload), std::end(s_controller_payload), std::begin(controller_payload_copy));
payload_size = s_controller_payload_size.load();
}
if (s_controller_payload_size != sizeof(controller_payload_copy) || controller_payload_copy[0] != LIBUSB_DT_HID)
if (payload_size != sizeof(controller_payload_copy) || controller_payload_copy[0] != LIBUSB_DT_HID)
{
INFO_LOG(SERIALINTERFACE, "error reading payload (size: %d, type: %02x)", s_controller_payload_size, controller_payload_copy[0]);
INFO_LOG(SERIALINTERFACE, "error reading payload (size: %d, type: %02x)", payload_size, controller_payload_copy[0]);
Reset();
}
else