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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/make_unique.h"
#include "core/hle/hle.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/ptm_u.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace PTM_U
namespace PTM_U {
/**
* Represents the gamecoin file structure in the SharedExtData archive
* More information in 3dbrew (http://www.3dbrew.org/wiki/Extdata#Shared_Extdata_0xf000000b_gamecoin.dat)
*/
struct GameCoin {
u32 magic; ///< Magic number: 0x4F00
u16 total_coins; ///< Total Play Coins
u16 total_coins_on_date; ///< Total Play Coins obtained on the date stored below.
u32 step_count; ///< Total step count at the time a new Play Coin was obtained.
u32 last_step_count; ///< Step count for the day the last Play Coin was obtained
u16 year;
u8 month;
u8 day;
};
static const GameCoin default_game_coin = { 0x4F00, 42, 0, 0, 0, 2014, 12, 29 };
static const std::vector<u8> ptm_shared_extdata_id = {0, 0, 0, 0, 0x0B, 0, 0, 0xF0, 0, 0, 0, 0};
/// Charge levels used by PTM functions
enum class ChargeLevels : u32 {
CriticalBattery = 1,
LowBattery = 2,
HalfFull = 3,
MostlyFull = 4,
CompletelyFull = 5,
};
static bool shell_open = true;
static bool battery_is_charging = true;
/**
* It is unknown if GetAdapterState is the same as GetBatteryChargeState,
* it is likely to just be a duplicate function of GetBatteryChargeState
* that controls another part of the HW.
* PTM_U::GetAdapterState service function
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Output of function, 0 = not charging, 1 = charging.
*/
static void GetAdapterState(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(purpasmart96): This function is only a stub,
// it returns a valid result without implementing full functionality.
cmd_buff[1] = 0; // No error
cmd_buff[2] = battery_is_charging ? 1 : 0;
LOG_WARNING(Service_PTM, "(STUBBED) called");
}
/*
* PTM_User::GetShellState service function.
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Whether the 3DS's physical shell casing is open (1) or closed (0)
*/
static void GetShellState(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = 0;
cmd_buff[2] = shell_open ? 1 : 0;
}
/**
* PTM_U::GetBatteryLevel service function
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Battery level, 5 = completely full battery, 4 = mostly full battery,
* 3 = half full battery, 2 = low battery, 1 = critical battery.
*/
static void GetBatteryLevel(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(purpasmart96): This function is only a stub,
// it returns a valid result without implementing full functionality.
cmd_buff[1] = 0; // No error
cmd_buff[2] = static_cast<u32>(ChargeLevels::CompletelyFull); // Set to a completely full battery
LOG_WARNING(Service_PTM, "(STUBBED) called");
}
/**
* PTM_U::GetBatteryChargeState service function
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Output of function, 0 = not charging, 1 = charging.
*/
static void GetBatteryChargeState(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(purpasmart96): This function is only a stub,
// it returns a valid result without implementing full functionality.
cmd_buff[1] = 0; // No error
cmd_buff[2] = battery_is_charging ? 1 : 0;
LOG_WARNING(Service_PTM, "(STUBBED) called");
}
const Interface::FunctionInfo FunctionTable[] = {
{0x00010002, nullptr, "RegisterAlarmClient"},
{0x00020080, nullptr, "SetRtcAlarm"},
{0x00030000, nullptr, "GetRtcAlarm"},
{0x00040000, nullptr, "CancelRtcAlarm"},
{0x00050000, GetAdapterState, "GetAdapterState"},
{0x00060000, GetShellState, "GetShellState"},
{0x00070000, GetBatteryLevel, "GetBatteryLevel"},
{0x00080000, GetBatteryChargeState, "GetBatteryChargeState"},
{0x00090000, nullptr, "GetPedometerState"},
{0x000A0042, nullptr, "GetStepHistoryEntry"},
{0x000B00C2, nullptr, "GetStepHistory"},
{0x000C0000, nullptr, "GetTotalStepCount"},
{0x000D0040, nullptr, "SetPedometerRecordingMode"},
{0x000E0000, nullptr, "GetPedometerRecordingMode"},
{0x000F0084, nullptr, "GetStepHistoryAll"},
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Interface class
Interface::Interface() {
Register(FunctionTable);
// Open the SharedExtSaveData archive 0xF000000B and the gamecoin.dat file
FileSys::Path archive_path(ptm_shared_extdata_id);
auto archive_result = Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
// If the archive didn't exist, create the files inside
if (archive_result.Code().description == ErrorDescription::FS_NotFormatted) {
// Format the archive to create the directories
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
// Open it again to get a valid archive now that the folder exists
archive_result = Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
ASSERT_MSG(archive_result.Succeeded(), "Could not open the PTM SharedExtSaveData archive!");
FileSys::Path gamecoin_path("gamecoin.dat");
FileSys::Mode open_mode = {};
open_mode.write_flag = 1;
open_mode.create_flag = 1;
// Open the file and write the default gamecoin information
auto gamecoin_result = Service::FS::OpenFileFromArchive(*archive_result, gamecoin_path, open_mode);
if (gamecoin_result.Succeeded()) {
auto gamecoin = gamecoin_result.MoveFrom();
gamecoin->backend->Write(0, sizeof(GameCoin), 1, reinterpret_cast<const u8*>(&default_game_coin));
gamecoin->backend->Close();
}
}
}
} // namespace
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