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implement accel and gyro backend

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This commit is contained in:
wwylele
2016-03-18 22:27:36 +02:00
parent 958b978efe
commit db151efd0a
5 changed files with 224 additions and 23 deletions
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93
src/core/hle/service/hid/hid.cpp
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@ -33,6 +33,11 @@ static Kernel::SharedPtr<Kernel::Event> event_debug_pad;
static u32 next_pad_index;
static u32 next_touch_index;
static u32 next_accelerometer_index;
static u32 next_gyroscope_index;
static int enable_accelerometer_count = 0; // positive means enabled
static int enable_gyroscope_count = 0; // positive means enabled
const std::array<Service::HID::PadState, Settings::NativeInput::NUM_INPUTS> pad_mapping = {{
Service::HID::PAD_A, Service::HID::PAD_B, Service::HID::PAD_X, Service::HID::PAD_Y,
@ -120,6 +125,58 @@ void Update() {
// Signal both handles when there's an update to Pad or touch
event_pad_or_touch_1->Signal();
event_pad_or_touch_2->Signal();
// Update accelerometer
if (enable_accelerometer_count > 0) {
mem->accelerometer.index = next_accelerometer_index;
next_accelerometer_index = (next_accelerometer_index + 1) % mem->accelerometer.entries.size();
AccelerometerDataEntry& accelerometer_entry = mem->accelerometer.entries[mem->accelerometer.index];
std::tie(accelerometer_entry.x, accelerometer_entry.y, accelerometer_entry.z)
= VideoCore::g_emu_window->GetAccelerometerState();
// Make up "raw" entry
// TODO(wwylele):
// From hardware testing, the raw_entry values are approximately,
// but not exactly, as twice as corresponding entries (or with a minus sign).
// It may caused by system calibration to the accelerometer.
// Figure out how it works, or, if no game reads raw_entry,
// 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.z = 2 * accelerometer_entry.y;
mem->accelerometer.raw_entry.y = -2 * accelerometer_entry.z;
// If we just updated index 0, provide a new timestamp
if (mem->accelerometer.index == 0) {
mem->accelerometer.index_reset_ticks_previous = mem->accelerometer.index_reset_ticks;
mem->accelerometer.index_reset_ticks = (s64)CoreTiming::GetTicks();
}
event_accelerometer->Signal();
}
// Update gyroscope
if (enable_gyroscope_count > 0) {
mem->gyroscope.index = next_gyroscope_index;
next_gyroscope_index = (next_gyroscope_index + 1) % mem->gyroscope.entries.size();
GyroscopeDataEntry& gyroscope_entry = mem->gyroscope.entries[mem->gyroscope.index];
std::tie(gyroscope_entry.x, gyroscope_entry.y, gyroscope_entry.z)
= VideoCore::g_emu_window->GetGyroscopeState();
// Make up "raw" entry
mem->gyroscope.raw_entry.x = gyroscope_entry.x;
mem->gyroscope.raw_entry.z = -gyroscope_entry.y;
mem->gyroscope.raw_entry.y = gyroscope_entry.z;
// If we just updated index 0, provide a new timestamp
if (mem->gyroscope.index == 0) {
mem->gyroscope.index_reset_ticks_previous = mem->gyroscope.index_reset_ticks;
mem->gyroscope.index_reset_ticks = (s64)CoreTiming::GetTicks();
}
event_gyroscope->Signal();
}
}
void GetIPCHandles(Service::Interface* self) {
@ -139,40 +196,70 @@ void GetIPCHandles(Service::Interface* self) {
void EnableAccelerometer(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
++enable_accelerometer_count;
event_accelerometer->Signal();
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_WARNING(Service_HID, "(STUBBED) called");
LOG_DEBUG(Service_HID, "called");
}
void DisableAccelerometer(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
--enable_accelerometer_count;
event_accelerometer->Signal();
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_WARNING(Service_HID, "(STUBBED) called");
LOG_DEBUG(Service_HID, "called");
}
void EnableGyroscopeLow(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
++enable_gyroscope_count;
event_gyroscope->Signal();
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_WARNING(Service_HID, "(STUBBED) called");
LOG_DEBUG(Service_HID, "called");
}
void DisableGyroscopeLow(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
--enable_gyroscope_count;
event_gyroscope->Signal();
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_DEBUG(Service_HID, "called");
}
void GetGyroscopeLowRawToDpsCoefficient(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw;
f32 coef = VideoCore::g_emu_window->GetGyroscopeRawToDpsCoefficient();
memcpy(&cmd_buff[2], &coef, 4);
}
void GetGyroscopeLowCalibrateParam(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw;
// currently don't understand the meaning of return value,
// so stubbed these with value from a real console.
// TODO(wwylele): implement this correctly
cmd_buff[2] = 0x19DDFFDC;
cmd_buff[3] = 0x0002E5DA;
cmd_buff[4] = 0xE5CE1A2D;
cmd_buff[5] = 0x19C6FFF3;
cmd_buff[6] = 0x001CE61E;
LOG_WARNING(Service_HID, "(STUBBED) called");
}