diff options
Diffstat (limited to 'src/DSi_I2C.h')
| -rw-r--r-- | src/DSi_I2C.h | 215 |
1 files changed, 141 insertions, 74 deletions
diff --git a/src/DSi_I2C.h b/src/DSi_I2C.h index 9027594..b55dd0b 100644 --- a/src/DSi_I2C.h +++ b/src/DSi_I2C.h @@ -22,95 +22,162 @@ #include "types.h" #include "Savestate.h" -namespace DSi_BPTWL -{ - -u8 GetBootFlag(); +class DSi_I2CHost; +class DSi_Camera; -bool GetBatteryCharging(); -void SetBatteryCharging(bool charging); - -enum +class DSi_I2CDevice { - batteryLevel_Critical = 0x0, - batteryLevel_AlmostEmpty = 0x1, - batteryLevel_Low = 0x3, - batteryLevel_Half = 0x7, - batteryLevel_ThreeQuarters = 0xB, - batteryLevel_Full = 0xF +public: + DSi_I2CDevice(DSi_I2CHost* host) : Host(host) {} + virtual ~DSi_I2CDevice() {} + virtual void Reset() = 0; + virtual void DoSavestate(Savestate* file) = 0; + + virtual void Acquire() = 0; + virtual u8 Read(bool last) = 0; + virtual void Write(u8 val, bool last) = 0; + +protected: + DSi_I2CHost* Host; }; -u8 GetBatteryLevel(); -void SetBatteryLevel(u8 batteryLevel); - -// 0-31 -u8 GetVolumeLevel(); -void SetVolumeLevel(u8 volume); - -// 0-4 -u8 GetBacklightLevel(); -void SetBacklightLevel(u8 backlight); - -void DoHardwareReset(bool direct); -void DoShutdown(); - -enum +class DSi_BPTWL : public DSi_I2CDevice { - volumeKey_Up, - volumeKey_Down, +public: + + enum + { + batteryLevel_Critical = 0x0, + batteryLevel_AlmostEmpty = 0x1, + batteryLevel_Low = 0x3, + batteryLevel_Half = 0x7, + batteryLevel_ThreeQuarters = 0xB, + batteryLevel_Full = 0xF + }; + + enum + { + volumeKey_Up, + volumeKey_Down, + }; + + enum + { + IRQ_PowerButtonReset = 0x01, // Triggered after releasing the power button quickly + IRQ_PowerButtonShutdown = 0x02, // Triggered after holding the power button for less than a second + IRQ_PowerButtonPressed = 0x08, // Triggered after pressing the power button + IRQ_BatteryEmpty = 0x10, // + IRQ_BatteryLow = 0x20, // Triggered when the battery level reaches 1 + IRQ_VolumeSwitchPressed = 0x40, // Triggered once when the volume sliders are first pressed and repeatedly when held down + /* + Bit 2 (0x04) could be set when holding the power button for more than 5 seconds? (forced power off) + It is unknown whether it is set as the console powers off immediately. + Bit 7 (0x80) is unused? + Both bits are never used by the official ARM7 libraries, but could have some undocumented hardware functionality (?). + */ + IRQ_ValidMask = 0x7B, + }; + + DSi_BPTWL(DSi_I2CHost* host); + ~DSi_BPTWL() override; + void Reset() override; + void DoSavestate(Savestate* file) override; + + u8 GetBootFlag(); + + bool GetBatteryCharging(); + void SetBatteryCharging(bool charging); + + u8 GetBatteryLevel(); + void SetBatteryLevel(u8 batteryLevel); + + // 0-31 + u8 GetVolumeLevel(); + void SetVolumeLevel(u8 volume); + + // 0-4 + u8 GetBacklightLevel(); + void SetBacklightLevel(u8 backlight); + + void DoHardwareReset(bool direct); + void DoShutdown(); + + // Used by hotkeys + void SetPowerButtonHeld(double time); + void SetPowerButtonReleased(double time); + void SetVolumeSwitchHeld(u32 key); + void SetVolumeSwitchReleased(u32 key); + s32 ProcessVolumeSwitchInput(double time); + + void DoPowerButtonPress(); + void DoPowerButtonReset(); + void DoPowerButtonShutdown(); + void DoPowerButtonForceShutdown(); + void DoVolumeSwitchPress(u32 key); + + void SetIRQ(u8 irqFlag); + + void Acquire() override; + u8 Read(bool last) override; + void Write(u8 val, bool last) override; + +private: + static const double PowerButtonShutdownTime; + static const double PowerButtonForcedShutdownTime; + static const double VolumeSwitchRepeatStart; + static const double VolumeSwitchRepeatRate; + + static const u8 VolumeDownTable[32]; + static const u8 VolumeUpTable[32]; + + double PowerButtonTime; + bool PowerButtonDownFlag; + bool PowerButtonShutdownFlag; + double VolumeSwitchTime; + double VolumeSwitchRepeatTime; + bool VolumeSwitchDownFlag ; + u32 VolumeSwitchKeysDown; + + u8 Registers[0x100]; + u32 CurPos; + + bool GetIRQMode(); + + void ResetButtonState(); + bool CheckVolumeSwitchKeysValid(); }; -// Used by hotkeys -void SetPowerButtonHeld(double time); -void SetPowerButtonReleased(double time); -void SetVolumeSwitchHeld(u32 key); -void SetVolumeSwitchReleased(u32 key); -s32 ProcessVolumeSwitchInput(double time); -void DoPowerButtonPress(); -void DoPowerButtonReset(); -void DoPowerButtonShutdown(); -void DoPowerButtonForceShutdown(); -void DoVolumeSwitchPress(u32 key); - -enum +class DSi_I2CHost { - IRQ_PowerButtonReset = 0x01, // Triggered after releasing the power button quickly - IRQ_PowerButtonShutdown = 0x02, // Triggered after holding the power button for less than a second - IRQ_PowerButtonPressed = 0x08, // Triggered after pressing the power button - IRQ_BatteryEmpty = 0x10, // - IRQ_BatteryLow = 0x20, // Triggered when the battery level reaches 1 - IRQ_VolumeSwitchPressed = 0x40, // Triggered once when the volume sliders are first pressed and repeatedly when held down - /* - Bit 2 (0x04) could be set when holding the power button for more than 5 seconds? (forced power off) - It is unknown whether it is set as the console powers off immediately. - Bit 7 (0x80) is unused? - Both bits are never used by the official ARM7 libraries, but could have some undocumented hardware functionality (?). - */ - IRQ_ValidMask = 0x7B, -}; - -void SetIRQ(u8 irqFlag); +public: + DSi_I2CHost(); + ~DSi_I2CHost(); + void Reset(); + void DoSavestate(Savestate* file); -} + DSi_BPTWL* GetBPTWL() { return BPTWL; } + DSi_Camera* GetOuterCamera() { return Camera0; } + DSi_Camera* GetInnerCamera() { return Camera1; } -namespace DSi_I2C -{ - -extern u8 Cnt; + u8 ReadCnt() { return Cnt; } + void WriteCnt(u8 val); -bool Init(); -void DeInit(); -void Reset(); -void DoSavestate(Savestate* file); + u8 ReadData(); + void WriteData(u8 val); -void WriteCnt(u8 val); +private: + u8 Cnt; + u8 Data; -u8 ReadData(); -void WriteData(u8 val); + DSi_BPTWL* BPTWL; // 4A / BPTWL IC + DSi_Camera* Camera0; // 78 / facing outside + DSi_Camera* Camera1; // 7A / selfie cam -//void TransferDone(u32 param); + u8 CurDeviceID; + DSi_I2CDevice* CurDevice; -} + void GetCurDevice(); +}; #endif // DSI_I2C_H |