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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
#include "common/bit_field.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace HID_User
// This service is used for interfacing to physical user controls.
// Uses include game pad controls, touchscreen, accelerometers, gyroscopes, and debug pad.
namespace HID_User {
/**
* Structure of a Pad controller state.
*/
struct PadState {
union {
u32 hex;
BitField<0, 1, u32> a;
BitField<1, 1, u32> b;
BitField<2, 1, u32> select;
BitField<3, 1, u32> start;
BitField<4, 1, u32> right;
BitField<5, 1, u32> left;
BitField<6, 1, u32> up;
BitField<7, 1, u32> down;
BitField<8, 1, u32> r;
BitField<9, 1, u32> l;
BitField<10, 1, u32> x;
BitField<11, 1, u32> y;
BitField<28, 1, u32> circle_right;
BitField<29, 1, u32> circle_left;
BitField<30, 1, u32> circle_up;
BitField<31, 1, u32> circle_down;
};
};
/**
* Structure of a single entry in the PadData's Pad state history array.
*/
struct PadDataEntry {
PadState current_state;
PadState delta_additions;
PadState delta_removals;
s16 circle_pad_x;
s16 circle_pad_y;
};
/**
* Structure of all data related to the 3DS Pad.
*/
struct PadData {
s64 index_reset_ticks;
s64 index_reset_ticks_previous;
u32 index; // the index of the last updated Pad state history element
u32 pad1;
u32 pad2;
PadState current_state; // same as entries[index].current_state
u32 raw_circle_pad_data;
u32 pad3;
std::array<PadDataEntry, 8> entries; // Pad state history
};
// Pre-defined PadStates for single button presses
const PadState PAD_NONE = {{0}};
const PadState PAD_A = {{1u << 0}};
const PadState PAD_B = {{1u << 1}};
const PadState PAD_SELECT = {{1u << 2}};
const PadState PAD_START = {{1u << 3}};
const PadState PAD_RIGHT = {{1u << 4}};
const PadState PAD_LEFT = {{1u << 5}};
const PadState PAD_UP = {{1u << 6}};
const PadState PAD_DOWN = {{1u << 7}};
const PadState PAD_R = {{1u << 8}};
const PadState PAD_L = {{1u << 9}};
const PadState PAD_X = {{1u << 10}};
const PadState PAD_Y = {{1u << 11}};
const PadState PAD_CIRCLE_RIGHT = {{1u << 28}};
const PadState PAD_CIRCLE_LEFT = {{1u << 29}};
const PadState PAD_CIRCLE_UP = {{1u << 30}};
const PadState PAD_CIRCLE_DOWN = {{1u << 31}};
// Methods for updating the HID module's state
void PadButtonPress(const PadState& pad_state);
void PadButtonRelease(const PadState& pad_state);
void PadUpdateComplete();
/**
* HID service interface.
*/
class Interface : public Service::Interface {
public:
Interface();
~Interface();
/**
* Gets the string port name used by CTROS for the service
* @return Port name of service
*/
std::string GetPortName() const override {
return "hid:USER";
}
};
} // namespace
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