HID: manages updating itself using correct ticks

This commit is contained in:
wwylele 2017-01-15 21:27:00 +02:00
parent 16a3f9e393
commit 3c333c53f1
3 changed files with 90 additions and 59 deletions

View File

@ -35,6 +35,15 @@ static u32 next_gyroscope_index;
static int enable_accelerometer_count = 0; // positive means enabled static int enable_accelerometer_count = 0; // positive means enabled
static int enable_gyroscope_count = 0; // positive means enabled static int enable_gyroscope_count = 0; // positive means enabled
static int pad_update_event;
static int accelerometer_update_event;
static int gyroscope_update_event;
// Updating period for each HID device. These empirical values are measured from a 11.2 3DS.
constexpr u64 pad_update_ticks = 268123480ull / 234;
constexpr u64 accelerometer_update_ticks = 268123480ull / 104;
constexpr u64 gyroscope_update_ticks = 268123480ull / 101;
static PadState GetCirclePadDirectionState(s16 circle_pad_x, s16 circle_pad_y) { static PadState GetCirclePadDirectionState(s16 circle_pad_x, s16 circle_pad_y) {
// 30 degree and 60 degree are angular thresholds for directions // 30 degree and 60 degree are angular thresholds for directions
constexpr float TAN30 = 0.577350269f; constexpr float TAN30 = 0.577350269f;
@ -65,14 +74,9 @@ static PadState GetCirclePadDirectionState(s16 circle_pad_x, s16 circle_pad_y) {
return state; return state;
} }
void Update() { static void UpdatePadCallback(u64 userdata, int cycles_late) {
SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer()); SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer());
if (mem == nullptr) {
LOG_DEBUG(Service_HID, "Cannot update HID prior to mapping shared memory!");
return;
}
PadState state = VideoCore::g_emu_window->GetPadState(); PadState state = VideoCore::g_emu_window->GetPadState();
// Get current circle pad position and update circle pad direction // Get current circle pad position and update circle pad direction
@ -131,11 +135,15 @@ void Update() {
event_pad_or_touch_1->Signal(); event_pad_or_touch_1->Signal();
event_pad_or_touch_2->Signal(); event_pad_or_touch_2->Signal();
// Update accelerometer // Reschedule recurrent event
if (enable_accelerometer_count > 0) { CoreTiming::ScheduleEvent(pad_update_ticks - cycles_late, pad_update_event);
}
static void UpdateAccelerometerCallback(u64 userdata, int cycles_late) {
SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer());
mem->accelerometer.index = next_accelerometer_index; mem->accelerometer.index = next_accelerometer_index;
next_accelerometer_index = next_accelerometer_index = (next_accelerometer_index + 1) % mem->accelerometer.entries.size();
(next_accelerometer_index + 1) % mem->accelerometer.entries.size();
AccelerometerDataEntry& accelerometer_entry = AccelerometerDataEntry& accelerometer_entry =
mem->accelerometer.entries[mem->accelerometer.index]; mem->accelerometer.entries[mem->accelerometer.index];
@ -144,11 +152,10 @@ void Update() {
// Make up "raw" entry // Make up "raw" entry
// TODO(wwylele): // TODO(wwylele):
// From hardware testing, the raw_entry values are approximately, // From hardware testing, the raw_entry values are approximately, but not exactly, as twice as
// but not exactly, as twice as corresponding entries (or with a minus sign). // corresponding entries (or with a minus sign). It may caused by system calibration to the
// It may caused by system calibration to the accelerometer. // accelerometer. Figure out how it works, or, if no game reads raw_entry, the following three
// Figure out how it works, or, if no game reads raw_entry, // lines can be removed and leave raw_entry unimplemented.
// the following three lines can be removed and leave raw_entry unimplemented.
mem->accelerometer.raw_entry.x = -2 * accelerometer_entry.x; mem->accelerometer.raw_entry.x = -2 * accelerometer_entry.x;
mem->accelerometer.raw_entry.z = 2 * accelerometer_entry.y; mem->accelerometer.raw_entry.z = 2 * accelerometer_entry.y;
mem->accelerometer.raw_entry.y = -2 * accelerometer_entry.z; mem->accelerometer.raw_entry.y = -2 * accelerometer_entry.z;
@ -160,10 +167,14 @@ void Update() {
} }
event_accelerometer->Signal(); event_accelerometer->Signal();
// Reschedule recurrent event
CoreTiming::ScheduleEvent(accelerometer_update_ticks - cycles_late, accelerometer_update_event);
} }
// Update gyroscope static void UpdateGyroscopeCallback(u64 userdata, int cycles_late) {
if (enable_gyroscope_count > 0) { SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer());
mem->gyroscope.index = next_gyroscope_index; mem->gyroscope.index = next_gyroscope_index;
next_gyroscope_index = (next_gyroscope_index + 1) % mem->gyroscope.entries.size(); next_gyroscope_index = (next_gyroscope_index + 1) % mem->gyroscope.entries.size();
@ -183,7 +194,9 @@ void Update() {
} }
event_gyroscope->Signal(); event_gyroscope->Signal();
}
// Reschedule recurrent event
CoreTiming::ScheduleEvent(gyroscope_update_ticks - cycles_late, gyroscope_update_event);
} }
void GetIPCHandles(Service::Interface* self) { void GetIPCHandles(Service::Interface* self) {
@ -204,7 +217,11 @@ void EnableAccelerometer(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer(); u32* cmd_buff = Kernel::GetCommandBuffer();
++enable_accelerometer_count; ++enable_accelerometer_count;
event_accelerometer->Signal();
// Schedules the accelerometer update event if the accelerometer was just enabled
if (enable_accelerometer_count == 1) {
CoreTiming::ScheduleEvent(accelerometer_update_ticks, accelerometer_update_event);
}
cmd_buff[1] = RESULT_SUCCESS.raw; cmd_buff[1] = RESULT_SUCCESS.raw;
@ -215,7 +232,11 @@ void DisableAccelerometer(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer(); u32* cmd_buff = Kernel::GetCommandBuffer();
--enable_accelerometer_count; --enable_accelerometer_count;
event_accelerometer->Signal();
// Unschedules the accelerometer update event if the accelerometer was just disabled
if (enable_accelerometer_count == 0) {
CoreTiming::UnscheduleEvent(accelerometer_update_event, 0);
}
cmd_buff[1] = RESULT_SUCCESS.raw; cmd_buff[1] = RESULT_SUCCESS.raw;
@ -226,7 +247,11 @@ void EnableGyroscopeLow(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer(); u32* cmd_buff = Kernel::GetCommandBuffer();
++enable_gyroscope_count; ++enable_gyroscope_count;
event_gyroscope->Signal();
// Schedules the gyroscope update event if the gyroscope was just enabled
if (enable_gyroscope_count == 1) {
CoreTiming::ScheduleEvent(gyroscope_update_ticks, gyroscope_update_event);
}
cmd_buff[1] = RESULT_SUCCESS.raw; cmd_buff[1] = RESULT_SUCCESS.raw;
@ -237,7 +262,11 @@ void DisableGyroscopeLow(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer(); u32* cmd_buff = Kernel::GetCommandBuffer();
--enable_gyroscope_count; --enable_gyroscope_count;
event_gyroscope->Signal();
// Unschedules the gyroscope update event if the gyroscope was just disabled
if (enable_gyroscope_count == 0) {
CoreTiming::UnscheduleEvent(gyroscope_update_event, 0);
}
cmd_buff[1] = RESULT_SUCCESS.raw; cmd_buff[1] = RESULT_SUCCESS.raw;
@ -298,6 +327,15 @@ void Init() {
event_accelerometer = Event::Create(ResetType::OneShot, "HID:EventAccelerometer"); event_accelerometer = Event::Create(ResetType::OneShot, "HID:EventAccelerometer");
event_gyroscope = Event::Create(ResetType::OneShot, "HID:EventGyroscope"); event_gyroscope = Event::Create(ResetType::OneShot, "HID:EventGyroscope");
event_debug_pad = Event::Create(ResetType::OneShot, "HID:EventDebugPad"); event_debug_pad = Event::Create(ResetType::OneShot, "HID:EventDebugPad");
// Register update callbacks
pad_update_event = CoreTiming::RegisterEvent("HID::UpdatePadCallback", UpdatePadCallback);
accelerometer_update_event =
CoreTiming::RegisterEvent("HID::UpdateAccelerometerCallback", UpdateAccelerometerCallback);
gyroscope_update_event =
CoreTiming::RegisterEvent("HID::UpdateGyroscopeCallback", UpdateGyroscopeCallback);
CoreTiming::ScheduleEvent(pad_update_ticks, pad_update_event);
} }
void Shutdown() { void Shutdown() {

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@ -296,9 +296,6 @@ void GetGyroscopeLowRawToDpsCoefficient(Service::Interface* self);
*/ */
void GetGyroscopeLowCalibrateParam(Service::Interface* self); void GetGyroscopeLowCalibrateParam(Service::Interface* self);
/// Checks for user input updates
void Update();
/// Initialize HID service /// Initialize HID service
void Init(); void Init();

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@ -15,7 +15,6 @@
#include "common/vector_math.h" #include "common/vector_math.h"
#include "core/core_timing.h" #include "core/core_timing.h"
#include "core/hle/service/gsp_gpu.h" #include "core/hle/service/gsp_gpu.h"
#include "core/hle/service/hid/hid.h"
#include "core/hw/gpu.h" #include "core/hw/gpu.h"
#include "core/hw/hw.h" #include "core/hw/hw.h"
#include "core/memory.h" #include "core/memory.h"
@ -551,9 +550,6 @@ static void VBlankCallback(u64 userdata, int cycles_late) {
Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC0); Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC0);
Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC1); Service::GSP::SignalInterrupt(Service::GSP::InterruptId::PDC1);
// Check for user input updates
Service::HID::Update();
if (!Settings::values.use_vsync && Settings::values.toggle_framelimit) { if (!Settings::values.use_vsync && Settings::values.toggle_framelimit) {
FrameLimiter(); FrameLimiter();
} }