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/*
Copyright 2016-2022 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef DSI_CAMERA_H
#define DSI_CAMERA_H
#include "types.h"
#include "Savestate.h"
namespace DSi_CamModule
{
class Camera;
extern Camera* Camera0;
extern Camera* Camera1;
bool Init();
void DeInit();
void Reset();
void Stop();
void DoSavestate(Savestate* file);
void IRQ(u32 param);
void TransferScanline(u32 line);
u8 Read8(u32 addr);
u16 Read16(u32 addr);
u32 Read32(u32 addr);
void Write8(u32 addr, u8 val);
void Write16(u32 addr, u16 val);
void Write32(u32 addr, u32 val);
class Camera
{
public:
Camera(u32 num);
~Camera();
void DoSavestate(Savestate* file);
void Reset();
void Stop();
bool IsActivated();
void StartTransfer();
bool TransferDone();
// lengths in words
int TransferScanline(u32* buffer, int maxlen);
void I2C_Start();
u8 I2C_Read(bool last);
void I2C_Write(u8 val, bool last);
void InputFrame(u32* data, int width, int height, bool rgb);
u32 Num;
private:
u32 DataPos;
u32 RegAddr;
u16 RegData;
u16 I2C_ReadReg(u16 addr);
void I2C_WriteReg(u16 addr, u16 val);
u16 PLLDiv;
u16 PLLPDiv;
u16 PLLCnt;
u16 ClocksCnt;
u16 StandbyCnt;
u16 MiscCnt;
u16 MCUAddr;
u8 MCURegs[0x8000];
u8 MCU_Read(u16 addr);
void MCU_Write(u16 addr, u8 val);
u16 FrameWidth, FrameHeight;
u16 FrameReadMode, FrameFormat;
int TransferY;
u32 FrameBuffer[640*480/2]; // YUYV framebuffer, two pixels per word
};
}
#endif // DSI_CAMERA_H
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