rpcs3/rpcs3/Input/hid_pad_handler.h

116 lines
2.5 KiB
C++

#pragma once
#include "Emu/Io/PadHandler.h"
#include "Utilities/CRC.h"
#include "Utilities/Thread.h"
#include "hidapi.h"
struct CalibData
{
s16 bias = 0;
s32 sens_numer = 0;
s32 sens_denom = 0;
};
enum CalibIndex
{
// gyro
PITCH = 0,
YAW,
ROLL,
// accel
X,
Y,
Z,
COUNT
};
class HidDevice : public PadDevice
{
public:
void close();
hid_device* hidDevice{nullptr};
std::string path;
bool enable_player_leds{false};
u8 led_delay_on{0};
u8 led_delay_off{0};
u8 battery_level{0};
u8 last_battery_level{0};
u8 cable_state{0};
};
struct id_pair
{
u16 m_vid = 0;
u16 m_pid = 0;
};
template <class Device>
class hid_pad_handler : public PadHandlerBase
{
public:
hid_pad_handler(pad_handler type, std::vector<id_pair> ids);
~hid_pad_handler();
bool Init() override;
void process() override;
std::vector<pad_list_entry> list_devices() override;
protected:
enum class DataStatus
{
NewData,
NoNewData,
ReadError,
};
CRCPP::CRC::Table<u32, 32> crcTable{CRCPP::CRC::CRC_32()};
std::vector<id_pair> m_ids;
// pseudo 'controller id' to keep track of unique controllers
std::map<std::string, std::shared_ptr<Device>> m_controllers;
std::set<std::string> m_last_enumerated_devices;
std::set<std::string> m_new_enumerated_devices;
std::map<std::string, std::wstring> m_enumerated_serials;
std::mutex m_enumeration_mutex;
std::unique_ptr<named_thread<std::function<void()>>> m_enumeration_thread;
void enumerate_devices();
void update_devices();
std::shared_ptr<Device> get_hid_device(const std::string& padId);
virtual void check_add_device(hid_device* hidDevice, std::string_view path, std::wstring_view serial) = 0;
virtual int send_output_report(Device* device) = 0;
virtual DataStatus get_data(Device* device) = 0;
static s16 apply_calibration(s32 raw_value, const CalibData& calib_data)
{
const s32 biased = raw_value - calib_data.bias;
const s32 quot = calib_data.sens_numer / calib_data.sens_denom;
const s32 rem = calib_data.sens_numer % calib_data.sens_denom;
const s32 output = (quot * biased) + ((rem * biased) / calib_data.sens_denom);
return static_cast<s16>(std::clamp<s32>(output, s16{smin}, s16{smax}));
}
static s16 read_s16(const void* buf)
{
return *static_cast<const s16*>(buf);
}
static u32 read_u32(const void* buf)
{
return *static_cast<const u32*>(buf);
}
static u32 get_battery_color(u8 battery_level, u32 brightness);
private:
std::shared_ptr<PadDevice> get_device(const std::string& device) override;
};