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