ebdae19fd2
This makes clang-format useful on those. Also add a bunch of forgotten transitive includes, which otherwise prevented compilation.
308 lines
8.6 KiB
C++
308 lines
8.6 KiB
C++
// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#ifndef _MSC_VER
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#include <cstddef>
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#endif
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "core/settings.h"
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namespace Service {
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class Interface;
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namespace HID {
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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<14, 1, u32> zl;
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BitField<15, 1, u32> zr;
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BitField<20, 1, u32> touch;
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BitField<24, 1, u32> c_right;
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BitField<25, 1, u32> c_left;
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BitField<26, 1, u32> c_up;
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BitField<27, 1, u32> c_down;
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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 of Pad state history within HID shared memory
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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 a single entry of touch state history within HID shared memory
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*/
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struct TouchDataEntry {
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u16 x; ///< Y-coordinate of a touchpad press on the lower screen
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u16 y; ///< X-coordinate of a touchpad press on the lower screen
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BitField<0, 7, u32> valid; ///< Set to 1 when this entry contains actual X/Y data, otherwise 0
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};
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/**
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* Structure of a single entry of accelerometer state history within HID shared memory
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*/
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struct AccelerometerDataEntry {
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s16 x;
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s16 y;
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s16 z;
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};
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/**
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* Structure of a single entry of gyroscope state history within HID shared memory
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*/
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struct GyroscopeDataEntry {
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s16 x;
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s16 y;
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s16 z;
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};
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/**
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* Structure of data stored in HID shared memory
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*/
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struct SharedMem {
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/// Pad data, this is used for buttons and the circle pad
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struct {
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s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
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s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
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u32 index; ///< Index of the last updated pad state entry
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INSERT_PADDING_WORDS(0x2);
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PadState current_state; ///< Current state of the pad buttons
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// TODO(bunnei): Implement `raw_circle_pad_data` field
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u32 raw_circle_pad_data; ///< Raw (analog) circle pad data, before being converted
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INSERT_PADDING_WORDS(0x1);
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std::array<PadDataEntry, 8> entries; ///< Last 8 pad entries
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} pad;
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/// Touchpad data, this is used for touchpad input
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struct {
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s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
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s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
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u32 index; ///< Index of the last updated touch entry
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INSERT_PADDING_WORDS(0x1);
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// TODO(bunnei): Implement `raw_entry` field
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TouchDataEntry raw_entry; ///< Raw (analog) touch data, before being converted
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std::array<TouchDataEntry, 8> entries; ///< Last 8 touch entries, in pixel coordinates
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} touch;
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/// Accelerometer data
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struct {
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s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
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s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
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u32 index; ///< Index of the last updated accelerometer entry
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INSERT_PADDING_WORDS(0x1);
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AccelerometerDataEntry raw_entry;
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INSERT_PADDING_BYTES(2);
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std::array<AccelerometerDataEntry, 8> entries;
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} accelerometer;
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/// Gyroscope data
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struct {
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s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
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s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
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u32 index; ///< Index of the last updated accelerometer entry
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INSERT_PADDING_WORDS(0x1);
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GyroscopeDataEntry raw_entry;
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INSERT_PADDING_BYTES(2);
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std::array<GyroscopeDataEntry, 32> entries;
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} gyroscope;
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};
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/**
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* Structure of calibrate params that GetGyroscopeLowCalibrateParam returns
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*/
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struct GyroscopeCalibrateParam {
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struct {
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// TODO (wwylele): figure out the exact meaning of these params
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s16 zero_point;
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s16 positive_unit_point;
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s16 negative_unit_point;
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} x, y, z;
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};
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// TODO: MSVC does not support using offsetof() on non-static data members even though this
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// is technically allowed since C++11. This macro should be enabled once MSVC adds
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// support for that.
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#ifndef _MSC_VER
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#define ASSERT_REG_POSITION(field_name, position) \
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static_assert(offsetof(SharedMem, field_name) == position * 4, \
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"Field " #field_name " has invalid position")
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ASSERT_REG_POSITION(pad.index_reset_ticks, 0x0);
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ASSERT_REG_POSITION(touch.index_reset_ticks, 0x2A);
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#undef ASSERT_REG_POSITION
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#endif // !defined(_MSC_VER)
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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_ZL = {{1u << 14}};
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const PadState PAD_ZR = {{1u << 15}};
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const PadState PAD_TOUCH = {{1u << 20}};
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const PadState PAD_C_RIGHT = {{1u << 24}};
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const PadState PAD_C_LEFT = {{1u << 25}};
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const PadState PAD_C_UP = {{1u << 26}};
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const PadState PAD_C_DOWN = {{1u << 27}};
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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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/**
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* HID::GetIPCHandles service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : IPC Command Structure translate-header
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* 3 : Handle to HID shared memory
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* 4 : Event signaled by HID
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* 5 : Event signaled by HID
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* 6 : Event signaled by HID
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* 7 : Gyroscope event
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* 8 : Event signaled by HID
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*/
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void GetIPCHandles(Interface* self);
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/**
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* HID::EnableAccelerometer service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void EnableAccelerometer(Interface* self);
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/**
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* HID::DisableAccelerometer service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void DisableAccelerometer(Interface* self);
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/**
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* HID::EnableGyroscopeLow service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void EnableGyroscopeLow(Interface* self);
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/**
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* HID::DisableGyroscopeLow service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void DisableGyroscopeLow(Interface* self);
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/**
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* HID::GetSoundVolume service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : u8 output value
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*/
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void GetSoundVolume(Interface* self);
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/**
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* HID::GetGyroscopeLowRawToDpsCoefficient service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : float output value
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*/
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void GetGyroscopeLowRawToDpsCoefficient(Service::Interface* self);
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/**
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* HID::GetGyroscopeLowCalibrateParam service function
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* Inputs:
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* None
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2~6 (18 bytes) : struct GyroscopeCalibrateParam
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*/
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void GetGyroscopeLowCalibrateParam(Service::Interface* self);
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/// Checks for user input updates
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void Update();
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/// Initialize HID service
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void Init();
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/// Shutdown HID service
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void Shutdown();
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}
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}
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