Merge pull request #5169 from ligfx/sidevicegbastate
SI_DeviceGBA: refactor and make GBASockServer a member rather than parent
This commit is contained in:
commit
284aa99a0d
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@ -5,6 +5,7 @@
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#include "Core/HW/SI/SI_DeviceGBA.h"
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#include "Core/HW/SI/SI_DeviceGBA.h"
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#include <cstddef>
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#include <cstddef>
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#include <cstring>
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#include <memory>
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#include <memory>
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#include <mutex>
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#include <mutex>
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#include <queue>
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#include <queue>
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@ -29,7 +30,7 @@ std::queue<std::unique_ptr<sf::TcpSocket>> s_waiting_socks;
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std::queue<std::unique_ptr<sf::TcpSocket>> s_waiting_clocks;
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std::queue<std::unique_ptr<sf::TcpSocket>> s_waiting_clocks;
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std::mutex s_cs_gba;
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std::mutex s_cs_gba;
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std::mutex s_cs_gba_clk;
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std::mutex s_cs_gba_clk;
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u8 s_num_connected;
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int s_num_connected;
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Common::Flag s_server_running;
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Common::Flag s_server_running;
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}
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}
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@ -41,21 +42,13 @@ enum EJoybusCmds
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CMD_WRITE = 0x15
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CMD_WRITE = 0x15
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};
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};
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const u64 BITS_PER_SECOND = 115200;
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constexpr auto BITS_PER_SECOND = 115200;
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const u64 BYTES_PER_SECOND = BITS_PER_SECOND / 8;
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constexpr auto BYTES_PER_SECOND = BITS_PER_SECOND / 8;
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constexpr auto SEND_MAX_SIZE = 5, RECV_MAX_SIZE = 5;
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u8 GetNumConnected()
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{
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int num_ports_connected = s_num_connected;
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if (num_ports_connected == 0)
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num_ports_connected = 1;
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return num_ports_connected;
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}
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// --- GameBoy Advance "Link Cable" ---
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// --- GameBoy Advance "Link Cable" ---
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int GetTransferTime(u8 cmd)
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static int GetTransferTime(u8 cmd)
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{
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{
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u64 bytes_transferred = 0;
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u64 bytes_transferred = 0;
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@ -83,8 +76,8 @@ int GetTransferTime(u8 cmd)
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break;
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break;
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}
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}
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}
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}
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return (int)(bytes_transferred * SystemTimers::GetTicksPerSecond() /
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return static_cast<int>(bytes_transferred * SystemTimers::GetTicksPerSecond() /
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(GetNumConnected() * BYTES_PER_SECOND));
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(std::max(s_num_connected, 1) * BYTES_PER_SECOND));
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}
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}
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static void GBAConnectionWaiter()
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static void GBAConnectionWaiter()
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@ -136,39 +129,29 @@ void GBAConnectionWaiter_Shutdown()
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s_connection_thread.join();
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s_connection_thread.join();
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}
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}
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static bool GetAvailableSock(std::unique_ptr<sf::TcpSocket>& sock_to_fill)
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template <typename T>
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static std::unique_ptr<T> MoveFromFront(std::queue<std::unique_ptr<T>>& ptrs)
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{
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{
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bool sock_filled = false;
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if (ptrs.empty())
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return nullptr;
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std::unique_ptr<T> ptr = std::move(ptrs.front());
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ptrs.pop();
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return ptr;
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}
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static std::unique_ptr<sf::TcpSocket> GetNextSock()
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{
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std::lock_guard<std::mutex> lk(s_cs_gba);
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std::lock_guard<std::mutex> lk(s_cs_gba);
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return MoveFromFront(s_waiting_socks);
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if (!s_waiting_socks.empty())
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{
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sock_to_fill = std::move(s_waiting_socks.front());
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s_waiting_socks.pop();
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sock_filled = true;
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}
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return sock_filled;
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}
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}
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static bool GetNextClock(std::unique_ptr<sf::TcpSocket>& sock_to_fill)
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static std::unique_ptr<sf::TcpSocket> GetNextClock()
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{
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{
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bool sock_filled = false;
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std::lock_guard<std::mutex> lk(s_cs_gba_clk);
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std::lock_guard<std::mutex> lk(s_cs_gba_clk);
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return MoveFromFront(s_waiting_clocks);
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if (!s_waiting_clocks.empty())
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{
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sock_to_fill = std::move(s_waiting_clocks.front());
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s_waiting_clocks.pop();
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sock_filled = true;
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}
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return sock_filled;
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}
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}
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GBASockServer::GBASockServer(int device_number) : m_device_number{device_number}
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GBASockServer::GBASockServer()
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{
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{
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if (!s_connection_thread.joinable())
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if (!s_connection_thread.joinable())
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s_connection_thread = std::thread(GBAConnectionWaiter);
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s_connection_thread = std::thread(GBAConnectionWaiter);
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@ -201,7 +184,7 @@ void GBASockServer::Disconnect()
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void GBASockServer::ClockSync()
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void GBASockServer::ClockSync()
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{
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{
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if (!m_clock_sync)
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if (!m_clock_sync)
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if (!GetNextClock(m_clock_sync))
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if (!(m_clock_sync = GetNextClock()))
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return;
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return;
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u32 time_slice = 0;
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u32 time_slice = 0;
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@ -233,140 +216,146 @@ void GBASockServer::ClockSync()
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}
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}
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}
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}
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bool GBASockServer::Connect()
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{
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if (!IsConnected())
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m_client = GetNextSock();
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return IsConnected();
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}
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bool GBASockServer::IsConnected()
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{
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return static_cast<bool>(m_client);
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}
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void GBASockServer::Send(const u8* si_buffer)
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void GBASockServer::Send(const u8* si_buffer)
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{
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{
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if (!m_client)
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if (!Connect())
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if (!GetAvailableSock(m_client))
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return;
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return;
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for (size_t i = 0; i < m_send_data.size(); i++)
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std::array<u8, SEND_MAX_SIZE> send_data;
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m_send_data[i] = si_buffer[i ^ 3];
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for (size_t i = 0; i < send_data.size(); i++)
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send_data[i] = si_buffer[i ^ 3];
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m_cmd = (u8)m_send_data[0];
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u8 cmd = send_data[0];
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if (cmd != CMD_STATUS)
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#ifdef _DEBUG
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m_booted = true;
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NOTICE_LOG(SERIALINTERFACE, "%01d cmd %02x [> %02x%02x%02x%02x]", m_device_number,
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(u8)m_send_data[0], (u8)m_send_data[1], (u8)m_send_data[2], (u8)m_send_data[3],
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(u8)m_send_data[4]);
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#endif
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m_client->setBlocking(false);
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m_client->setBlocking(false);
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sf::Socket::Status status;
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sf::Socket::Status status;
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if (m_cmd == CMD_WRITE)
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if (cmd == CMD_WRITE)
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status = m_client->send(m_send_data.data(), m_send_data.size());
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status = m_client->send(send_data.data(), send_data.size());
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else
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else
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status = m_client->send(m_send_data.data(), 1);
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status = m_client->send(send_data.data(), 1);
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if (m_cmd != CMD_STATUS)
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m_booted = true;
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if (status == sf::Socket::Disconnected)
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if (status == sf::Socket::Disconnected)
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Disconnect();
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Disconnect();
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m_time_cmd_sent = CoreTiming::GetTicks();
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}
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}
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int GBASockServer::Receive(u8* si_buffer)
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int GBASockServer::Receive(u8* si_buffer)
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{
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{
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if (!m_client)
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if (!m_client)
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if (!GetAvailableSock(m_client))
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return 0;
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return 5;
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size_t num_received = 0;
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if (m_booted)
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u64 transfer_time = GetTransferTime((u8)m_send_data[0]);
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bool block = (CoreTiming::GetTicks() - m_time_cmd_sent) > transfer_time;
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if (m_cmd == CMD_STATUS && !m_booted)
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block = false;
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if (block)
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{
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{
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sf::SocketSelector selector;
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sf::SocketSelector selector;
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selector.add(*m_client);
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selector.add(*m_client);
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selector.wait(sf::milliseconds(1000));
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selector.wait(sf::milliseconds(1000));
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}
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}
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size_t num_received = 0;
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std::array<u8, RECV_MAX_SIZE> recv_data;
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sf::Socket::Status recv_stat =
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sf::Socket::Status recv_stat =
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m_client->receive(m_recv_data.data(), m_recv_data.size(), num_received);
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m_client->receive(recv_data.data(), recv_data.size(), num_received);
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if (recv_stat == sf::Socket::Disconnected)
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if (recv_stat == sf::Socket::Disconnected)
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{
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{
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Disconnect();
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Disconnect();
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return 5;
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return 0;
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}
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}
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if (recv_stat == sf::Socket::NotReady)
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if (recv_stat == sf::Socket::NotReady || num_received == 0)
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num_received = 0;
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if (num_received > m_recv_data.size())
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num_received = m_recv_data.size();
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if (num_received > 0)
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{
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{
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#ifdef _DEBUG
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m_booted = false;
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if ((u8)m_send_data[0] == 0x00 || (u8)m_send_data[0] == 0xff)
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return 0;
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{
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WARN_LOG(SERIALINTERFACE, "%01d [< %02x%02x%02x%02x%02x] (%zu)",
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m_device_number, (u8)m_recv_data[0], (u8)m_recv_data[1], (u8)m_recv_data[2],
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(u8)m_recv_data[3], (u8)m_recv_data[4], num_received);
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}
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else
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{
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ERROR_LOG(SERIALINTERFACE, "%01d [< %02x%02x%02x%02x%02x] (%zu)",
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m_device_number, (u8)m_recv_data[0], (u8)m_recv_data[1], (u8)m_recv_data[2],
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(u8)m_recv_data[3], (u8)m_recv_data[4], num_received);
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}
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#endif
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for (size_t i = 0; i < m_recv_data.size(); i++)
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si_buffer[i ^ 3] = m_recv_data[i];
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}
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}
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return (int)num_received;
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for (size_t i = 0; i < recv_data.size(); i++)
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si_buffer[i ^ 3] = recv_data[i];
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return static_cast<int>(std::min(num_received, recv_data.size()));
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}
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}
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CSIDevice_GBA::CSIDevice_GBA(SIDevices device, int device_number)
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CSIDevice_GBA::CSIDevice_GBA(SIDevices device, int device_number) : ISIDevice(device, device_number)
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: ISIDevice(device, device_number), GBASockServer(device_number)
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{
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{
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}
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}
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CSIDevice_GBA::~CSIDevice_GBA()
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{
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GBASockServer::Disconnect();
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}
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int CSIDevice_GBA::RunBuffer(u8* buffer, int length)
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int CSIDevice_GBA::RunBuffer(u8* buffer, int length)
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{
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{
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if (!m_waiting_for_response)
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switch (m_next_action)
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{
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{
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for (size_t i = 0; i < m_send_data.size(); i++)
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case NextAction::SendCommand:
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m_send_data[i] = buffer[i ^ 3];
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{
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m_sock_server.ClockSync();
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m_num_data_received = 0;
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if (m_sock_server.Connect())
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ClockSync();
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{
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Send(buffer);
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#ifdef _DEBUG
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NOTICE_LOG(SERIALINTERFACE, "%01d cmd %02x [> %02x%02x%02x%02x]", m_device_number, buffer[3],
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buffer[2], buffer[1], buffer[0], buffer[7]);
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#endif
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m_sock_server.Send(buffer);
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}
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else
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{
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constexpr u32 reply = SI_ERROR_NO_RESPONSE;
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std::memcpy(buffer, &reply, sizeof(reply));
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return sizeof(reply);
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}
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m_last_cmd = buffer[3];
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m_timestamp_sent = CoreTiming::GetTicks();
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m_timestamp_sent = CoreTiming::GetTicks();
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m_waiting_for_response = true;
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m_next_action = NextAction::WaitTransferTime;
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}
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}
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if (m_waiting_for_response && m_num_data_received == 0)
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// [[fallthrough]]
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case NextAction::WaitTransferTime:
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{
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{
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m_num_data_received = Receive(buffer);
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int elapsed_time = static_cast<int>(CoreTiming::GetTicks() - m_timestamp_sent);
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// Tell SI to ask again after TransferInterval() cycles
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if (GetTransferTime(m_last_cmd) > elapsed_time)
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return 0;
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m_next_action = NextAction::ReceiveResponse;
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}
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}
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if ((GetTransferTime(m_send_data[0])) > (int)(CoreTiming::GetTicks() - m_timestamp_sent))
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// [[fallthrough]]
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case NextAction::ReceiveResponse:
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{
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{
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return 0;
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int num_data_received = m_sock_server.Receive(buffer);
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m_next_action = NextAction::SendCommand;
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if (num_data_received == 0)
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{
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constexpr u32 reply = SI_ERROR_NO_RESPONSE;
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std::memcpy(buffer, &reply, sizeof(reply));
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return sizeof(reply);
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}
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#ifdef _DEBUG
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LogTypes::LOG_LEVELS log_level = (m_last_cmd == CMD_STATUS || m_last_cmd == CMD_RESET) ?
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LogTypes::LERROR :
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LogTypes::LWARNING;
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GENERIC_LOG(LogTypes::SERIALINTERFACE, log_level,
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"%01d [< %02x%02x%02x%02x%02x] (%i)", m_device_number,
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buffer[3], buffer[2], buffer[1], buffer[0], buffer[7], num_data_received);
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#endif
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return num_data_received;
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}
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}
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else
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{
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if (m_num_data_received != 0)
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m_waiting_for_response = false;
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return m_num_data_received;
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}
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}
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// This should never happen, but appease MSVC which thinks it might.
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ERROR_LOG(SERIALINTERFACE, "Unknown state %i\n", static_cast<int>(m_next_action));
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return 0;
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}
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}
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int CSIDevice_GBA::TransferInterval()
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int CSIDevice_GBA::TransferInterval()
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{
|
{
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return GetTransferTime(m_send_data[0]);
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return GetTransferTime(m_last_cmd);
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}
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}
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bool CSIDevice_GBA::GetData(u32& hi, u32& low)
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bool CSIDevice_GBA::GetData(u32& hi, u32& low)
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@ -16,41 +16,34 @@
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|
|
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namespace SerialInterface
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namespace SerialInterface
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{
|
{
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u8 GetNumConnected();
|
|
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int GetTransferTime(u8 cmd);
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|
||||||
void GBAConnectionWaiter_Shutdown();
|
void GBAConnectionWaiter_Shutdown();
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||||||
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class GBASockServer
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class GBASockServer
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||||||
{
|
{
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||||||
public:
|
public:
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||||||
explicit GBASockServer(int device_number);
|
GBASockServer();
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||||||
~GBASockServer();
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~GBASockServer();
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|
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void Disconnect();
|
bool Connect();
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||||||
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bool IsConnected();
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||||||
void ClockSync();
|
void ClockSync();
|
||||||
|
|
||||||
void Send(const u8* si_buffer);
|
void Send(const u8* si_buffer);
|
||||||
int Receive(u8* si_buffer);
|
int Receive(u8* si_buffer);
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||||||
|
|
||||||
private:
|
private:
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||||||
|
void Disconnect();
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||||||
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|
||||||
std::unique_ptr<sf::TcpSocket> m_client;
|
std::unique_ptr<sf::TcpSocket> m_client;
|
||||||
std::unique_ptr<sf::TcpSocket> m_clock_sync;
|
std::unique_ptr<sf::TcpSocket> m_clock_sync;
|
||||||
std::array<char, 5> m_send_data{};
|
|
||||||
std::array<char, 5> m_recv_data{};
|
|
||||||
|
|
||||||
u64 m_time_cmd_sent = 0;
|
|
||||||
u64 m_last_time_slice = 0;
|
u64 m_last_time_slice = 0;
|
||||||
int m_device_number;
|
|
||||||
u8 m_cmd = 0;
|
|
||||||
bool m_booted = false;
|
bool m_booted = false;
|
||||||
};
|
};
|
||||||
|
|
||||||
class CSIDevice_GBA : public ISIDevice, private GBASockServer
|
class CSIDevice_GBA : public ISIDevice
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
CSIDevice_GBA(SIDevices device, int device_number);
|
CSIDevice_GBA(SIDevices device, int device_number);
|
||||||
~CSIDevice_GBA();
|
|
||||||
|
|
||||||
int RunBuffer(u8* buffer, int length) override;
|
int RunBuffer(u8* buffer, int length) override;
|
||||||
int TransferInterval() override;
|
int TransferInterval() override;
|
||||||
|
@ -58,9 +51,16 @@ public:
|
||||||
void SendCommand(u32 command, u8 poll) override;
|
void SendCommand(u32 command, u8 poll) override;
|
||||||
|
|
||||||
private:
|
private:
|
||||||
std::array<u8, 5> m_send_data{};
|
enum class NextAction
|
||||||
int m_num_data_received = 0;
|
{
|
||||||
|
SendCommand,
|
||||||
|
WaitTransferTime,
|
||||||
|
ReceiveResponse
|
||||||
|
};
|
||||||
|
|
||||||
|
GBASockServer m_sock_server;
|
||||||
|
NextAction m_next_action = NextAction::SendCommand;
|
||||||
|
u8 m_last_cmd;
|
||||||
u64 m_timestamp_sent = 0;
|
u64 m_timestamp_sent = 0;
|
||||||
bool m_waiting_for_response = false;
|
|
||||||
};
|
};
|
||||||
} // namespace SerialInterface
|
} // namespace SerialInterface
|
||||||
|
|
Loading…
Reference in New Issue