#ifndef __SVT_H__
#define __SVT_H__

#define SCREEN_WIDTH     160
#define SCREEN_HEIGHT    120

typedef enum
{
  false=0,
  true=!false
}bool;

typedef char* String;
typedef unsigned char uint8;
typedef unsigned int uint16;
typedef unsigned long uint32;
typedef long File;

//
// Define basic routines expected
//
extern void Start(void);
extern bool Run(void);
extern void End(void);

// Logging
void Log(String text, ... );

// Time
void Sleep( uint32 us );
void ResetTimer( void );
uint16 ReadTimer( void );

// IR
void OpenIR();
void SetIR( bool state );
void CloseIR();

void SetLED( bool state );

// Get Voltage / Current
uint16 SVT_GetBatteryVoltage();

#define KEY_RUN           (1<<0)
#define KEY_SELECT        (1<<0)
#define KEY_MENU          (1<<1)
#define KEY_INPUT1        (1<<2)
#define KEY_INPUT2        (1<<3)
#define KEY_RIGHT_BACK    (1<<4)
#define KEY_RIGHT_FORWARD (1<<5)
#define KEY_LEFT_BACK     (1<<7)
#define KEY_LEFT_FORWARD  (1<<6)
#define KEY_HOME          (1<<8)

bool GetRemoteKeyStatus( int key );
int GetRemoteKeys();
bool GetCarPushButton();

// Motor control
void OpenMotors();
void SetLeftMotor( int speed );
void SetRightMotor( int speed );
void SetMotors( int leftSpeed, int rightSpeed );
void CloseMotors();
uint16 GetLeftMotorCurrent();
uint16 GetRightMotorCurrent();

// File IO
long OpenFileSystem();
void CloseFileSystem();
long CreateFile( String pathName );
long DeleteFile( String pathName );
File OpenFile( String pathName );
void CloseFile( File f );
long SeekFile( File f, long pos);
long ReadFile( File f, void* buffer, uint32 bufferLength );
long WriteFile( File f, void* buffer, uint32 bufferLength );
long FlushFile( File f );

// Graphics
typedef struct
{
  unsigned char R;
  unsigned char G;
  unsigned char B;
  unsigned char Transparent;
} Color;


// Images
extern int Image0;
extern int Image1;
extern int Image2;
extern int Image3;
void RegisterDefaultImages( void );

void OpenImageRegister( void );
int RegisterImage( void* image, int size);
void CloseImageRegister( void );

void OpenGraphics(void);
void CloseGraphics(void);

void DrawRectangle( int lx, int ty, int rx, int by, Color rgba );
void SetLineWidth( int w );
void ClearRectangle( int lx, int ty, int rx, int by );
int  DrawText(int x, int y, String fmt, ...);
void SetTextColor( Color rgba );
void DrawImage( int imageIndex, int x, int y, Color transparent );
void SetScreen( Color rgba);
void ClearScreen(void);
void SetRectangle( int lx, int ty, int rx, int by, Color rgba);
void ScrollRectangle(int lx, int ty, int rx, int by, int mx, int my);
void Show(void);

// Hardware
int ReadADC( int channel );
int GetBatteryVoltage( );

// Audio
bool StartAudioPlayback( char* filename );
bool IsAudioPlaying();

bool StartAudioRecording( char* filename );
bool WriteAudioData();
void StopAudioRecording();


//
//// Still to modify - probably wait for next release...
//extern	unsigned char JAPI_GetIoInput(void);
//extern	void JAPI_SetIoOutputMode(unsigned char pin);
//extern	void JAPI_SetIoInputMode(unsigned char pin);
//extern	void JAPI_SetIoHigh(unsigned char pin);
//extern	void JAPI_SetIoLow(unsigned char pin);
//extern	void JAPI_SetIoPullUp(unsigned char pin);
//
////--------------------------------
//extern	void JAPI_AttachVideoProc(JAPI_V3F PicProc);
//extern	void JAPI_FreeVideoProc(void);
//extern	void JAPI_AttachAudioProc(JAPI_V2F AudioProc);
//extern	void JAPI_FreeAudioProc(void);
//
//extern	void JAPI_AttachQVGAProc(JAPI_V1F QVGAproc);
//extern	void JAPI_FreeQVGAProc(void);
//
//extern	unsigned long JAPI_OpenRfAudio(void);
//extern	unsigned long JAPI_CloseRfAudio(void);
//extern	unsigned long JAPI_SendRfAudio(unsigned long *pData,unsigned long len);
//extern	unsigned long JAPI_OpenRfVideo(void);
//extern	unsigned long JAPI_CloseRfVideo(void);
//extern	unsigned long JAPI_SendRfVideo(unsigned long *pData,unsigned long len);
////********************************************************************************
//extern	unsigned long JAPI_TransFile(void *pData,unsigned long len);

#endif