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SI: Fix GBA link by having a separate response for "error" and "no data".

This commit is contained in:
Jordan Woyak 2025-04-17 03:33:54 -05:00
parent f8bf35e6f0
commit fda8afaf5c
18 changed files with 44 additions and 37 deletions
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13
Source/Core/Core/HW/SI/SI.cpp
View File

@ -562,15 +562,18 @@ void SerialInterfaceManager::UpdateDevices()
{
// ERRLATCH bit is maintained.
u32 errlatch = m_channel[i].in_hi.ERRLATCH.Value();
if (m_channel[i].device->GetData(m_channel[i].in_hi.hex, m_channel[i].in_lo.hex))
switch (m_channel[i].device->GetData(m_channel[i].in_hi.hex, m_channel[i].in_lo.hex))
{
case DataResponse::Success:
m_status_reg.hex |= GetRDSTBit(i);
}
else
{
break;
case DataResponse::ErrorNoResponse:
SetNoResponse(i);
[[fallthrough]];
case DataResponse::NoData:
errlatch = 1;
m_channel[i].in_hi.ERRSTAT = 1;
SetNoResponse(i);
break;
}
m_channel[i].in_hi.ERRLATCH = errlatch;

10
Source/Core/Core/HW/SI/SI_Device.h
View File

@ -106,6 +106,13 @@ enum SIDevices : int
SIDEVICE_COUNT,
};
enum class DataResponse
{
NoData,
Success,
ErrorNoResponse,
};
class ISIDevice
{
public:
@ -119,8 +126,7 @@ public:
virtual int RunBuffer(u8* buffer, int request_length);
virtual int TransferInterval();
// Return true on new data
virtual bool GetData(u32& hi, u32& low) = 0;
virtual DataResponse GetData(u32& hi, u32& low) = 0;
// Send a command directly (no detour per buffer)
virtual void SendCommand(u32 command, u8 poll) = 0;

4
Source/Core/Core/HW/SI/SI_DeviceDanceMat.cpp
View File

@ -60,13 +60,13 @@ u32 CSIDevice_DanceMat::MapPadStatus(const GCPadStatus& pad_status)
return (u32)(map << 16) | 0x8080;
}
bool CSIDevice_DanceMat::GetData(u32& hi, u32& low)
DataResponse CSIDevice_DanceMat::GetData(u32& hi, u32& low)
{
CSIDevice_GCController::GetData(hi, low);
// Identifies the dance mat
low = 0x8080ffff;
return true;
return DataResponse::Success;
}
} // namespace SerialInterface

2
Source/Core/Core/HW/SI/SI_DeviceDanceMat.h
View File

@ -17,6 +17,6 @@ public:
int RunBuffer(u8* buffer, int request_length) override;
u32 MapPadStatus(const GCPadStatus& pad_status) override;
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
};
} // namespace SerialInterface

4
Source/Core/Core/HW/SI/SI_DeviceGBA.cpp
View File

@ -348,9 +348,9 @@ int CSIDevice_GBA::TransferInterval()
return SIDevice_GetGBATransferTime(m_system.GetSystemTimers(), m_last_cmd);
}
bool CSIDevice_GBA::GetData(u32& hi, u32& low)
DataResponse CSIDevice_GBA::GetData(u32& hi, u32& low)
{
return false;
return DataResponse::NoData;
}
void CSIDevice_GBA::SendCommand(u32 command, u8 poll)

2
Source/Core/Core/HW/SI/SI_DeviceGBA.h
View File

@ -47,7 +47,7 @@ public:
int RunBuffer(u8* buffer, int request_length) override;
int TransferInterval() override;
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
void SendCommand(u32 command, u8 poll) override;
private:

4
Source/Core/Core/HW/SI/SI_DeviceGBAEmu.cpp
View File

@ -120,7 +120,7 @@ int CSIDevice_GBAEmu::TransferInterval()
return SIDevice_GetGBATransferTime(m_system.GetSystemTimers(), m_last_cmd);
}
bool CSIDevice_GBAEmu::GetData(u32& hi, u32& low)
DataResponse CSIDevice_GBAEmu::GetData(u32& hi, u32& low)
{
GCPadStatus pad_status{};
if (!NetPlay::IsNetPlayRunning())
@ -149,7 +149,7 @@ bool CSIDevice_GBAEmu::GetData(u32& hi, u32& low)
if (pad_status.button & PadButton::PAD_BUTTON_X)
m_core->Reset();
return false;
return DataResponse::NoData;
}
void CSIDevice_GBAEmu::SendCommand(u32 command, u8 poll)

2
Source/Core/Core/HW/SI/SI_DeviceGBAEmu.h
View File

@ -25,7 +25,7 @@ public:
int RunBuffer(u8* buffer, int request_length) override;
int TransferInterval() override;
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
void SendCommand(u32 command, u8 poll) override;
void DoState(PointerWrap& p) override;
void OnEvent(u64 userdata, s64 cycles_late) override;

4
Source/Core/Core/HW/SI/SI_DeviceGCAdapter.cpp
View File

@ -69,7 +69,7 @@ int CSIDevice_GCAdapter::RunBuffer(u8* buffer, int request_length)
return CSIDevice_GCController::RunBuffer(buffer, request_length);
}
bool CSIDevice_GCAdapter::GetData(u32& hi, u32& low)
DataResponse CSIDevice_GCAdapter::GetData(u32& hi, u32& low)
{
CSIDevice_GCController::GetData(hi, low);
@ -78,7 +78,7 @@ bool CSIDevice_GCAdapter::GetData(u32& hi, u32& low)
hi &= CSIDevice_TaruKonga::HI_BUTTON_MASK;
}
return true;
return DataResponse::Success;
}
void CSIDevice_GCController::Rumble(int pad_num, ControlState strength, SIDevices device)

2
Source/Core/Core/HW/SI/SI_DeviceGCAdapter.h
View File

@ -17,7 +17,7 @@ public:
GCPadStatus GetPadStatus() override;
int RunBuffer(u8* buffer, int request_length) override;
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
private:
bool m_simulate_konga{};

10
Source/Core/Core/HW/SI/SI_DeviceGCController.cpp
View File

@ -170,12 +170,12 @@ GCPadStatus CSIDevice_GCController::GetPadStatus()
// [00?SYXBA] [1LRZUDRL] [x] [y] [cx] [cy] [l] [r]
// |\_ ERR_LATCH (error latched - check SISR)
// |_ ERR_STATUS (error on last GetData or SendCmd?)
bool CSIDevice_GCController::GetData(u32& hi, u32& low)
DataResponse CSIDevice_GCController::GetData(u32& hi, u32& low)
{
GCPadStatus pad_status = GetPadStatus();
if (!pad_status.isConnected)
return false;
return DataResponse::ErrorNoResponse;
if (HandleButtonCombos(pad_status) == COMBO_ORIGIN)
pad_status.button |= PAD_GET_ORIGIN;
@ -227,7 +227,7 @@ bool CSIDevice_GCController::GetData(u32& hi, u32& low)
low |= pad_status.substickX << 24; // All 8 bits
}
return true;
return DataResponse::Success;
}
u32 CSIDevice_GCController::MapPadStatus(const GCPadStatus& pad_status)
@ -343,7 +343,7 @@ CSIDevice_TaruKonga::CSIDevice_TaruKonga(Core::System& system, SIDevices device,
{
}
bool CSIDevice_TaruKonga::GetData(u32& hi, u32& low)
DataResponse CSIDevice_TaruKonga::GetData(u32& hi, u32& low)
{
CSIDevice_GCController::GetData(hi, low);
@ -351,7 +351,7 @@ bool CSIDevice_TaruKonga::GetData(u32& hi, u32& low)
// and all buttons except: A, B, X, Y, Start, R
hi &= HI_BUTTON_MASK;
return true;
return DataResponse::Success;
}
} // namespace SerialInterface

5
Source/Core/Core/HW/SI/SI_DeviceGCController.h
View File

@ -63,8 +63,7 @@ public:
// Run the SI Buffer
int RunBuffer(u8* buffer, int request_length) override;
// Return true on new data
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
// Send a command directly
void SendCommand(u32 command, u8 poll) override;
@ -96,7 +95,7 @@ class CSIDevice_TaruKonga final : public CSIDevice_GCController
public:
CSIDevice_TaruKonga(Core::System& system, SIDevices device, int device_number);
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
static const u32 HI_BUTTON_MASK =
(PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y | PAD_BUTTON_START | PAD_TRIGGER_R)

4
Source/Core/Core/HW/SI/SI_DeviceGCSteeringWheel.cpp
View File

@ -43,7 +43,7 @@ int CSIDevice_GCSteeringWheel::RunBuffer(u8* buffer, int request_length)
}
}
bool CSIDevice_GCSteeringWheel::GetData(u32& hi, u32& low)
DataResponse CSIDevice_GCSteeringWheel::GetData(u32& hi, u32& low)
{
if (m_mode == 6)
{
@ -95,7 +95,7 @@ bool CSIDevice_GCSteeringWheel::GetData(u32& hi, u32& low)
return CSIDevice_GCController::GetData(hi, low);
}
return true;
return DataResponse::Success;
}
void CSIDevice_GCSteeringWheel::SendCommand(u32 command, u8 poll)

2
Source/Core/Core/HW/SI/SI_DeviceGCSteeringWheel.h
View File

@ -13,7 +13,7 @@ public:
CSIDevice_GCSteeringWheel(Core::System& system, SIDevices device, int device_number);
int RunBuffer(u8* buffer, int request_length) override;
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
void SendCommand(u32 command, u8 poll) override;
private:

4
Source/Core/Core/HW/SI/SI_DeviceKeyboard.cpp
View File

@ -68,7 +68,7 @@ KeyboardStatus CSIDevice_Keyboard::GetKeyboardStatus() const
return Keyboard::GetStatus(m_device_number);
}
bool CSIDevice_Keyboard::GetData(u32& hi, u32& low)
DataResponse CSIDevice_Keyboard::GetData(u32& hi, u32& low)
{
const KeyboardStatus key_status = GetKeyboardStatus();
const KeyArray key = MapKeys(key_status);
@ -77,7 +77,7 @@ bool CSIDevice_Keyboard::GetData(u32& hi, u32& low)
hi = m_counter << 24;
low = key[0] << 24 | key[1] << 16 | key[2] << 8 | checksum;
return true;
return DataResponse::Success;
}
void CSIDevice_Keyboard::SendCommand(u32 command, u8 poll)

3
Source/Core/Core/HW/SI/SI_DeviceKeyboard.h
View File

@ -21,8 +21,7 @@ public:
// Run the SI Buffer
int RunBuffer(u8* buffer, int request_length) override;
// Return true on new data
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
KeyboardStatus GetKeyboardStatus() const;

4
Source/Core/Core/HW/SI/SI_DeviceNull.cpp
View File

@ -15,9 +15,9 @@ int CSIDevice_Null::RunBuffer(u8* buffer, int request_length)
return -1;
}
bool CSIDevice_Null::GetData(u32& hi, u32& low)
DataResponse CSIDevice_Null::GetData(u32& hi, u32& low)
{
return false;
return DataResponse::ErrorNoResponse;
}
void CSIDevice_Null::SendCommand(u32 command, u8 poll)

2
Source/Core/Core/HW/SI/SI_DeviceNull.h
View File

@ -15,7 +15,7 @@ public:
CSIDevice_Null(Core::System& system, SIDevices device, int device_number);
int RunBuffer(u8* buffer, int request_length) override;
bool GetData(u32& hi, u32& low) override;
DataResponse GetData(u32& hi, u32& low) override;
void SendCommand(u32 command, u8 poll) override;
};
} // namespace SerialInterface