File content as of revision 4:965b42f12b13:

/*********************************************************
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ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO 
ANY DEFENCE THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION,
OR OTHER SIMILAR COSTS.
*********************************************************/
 
/********************************************************
 MBED SMARTGPU2 LIBRARY VERSION V2.2
 IMPORTANT : This library is created for the MBED Software IDE
********************************************************/
 
#include "mbed.h"
#include "SMARTGPU2.h"
 
/**********************USER MODIFABLE****************************/
/****************************************************************/
//Communication Functions(PLATFORM DEPENDENT) - MODIFY TO FIT YOUR PLATFORM IF DIFFERENT THAN MBED
/****************************************************************/
//Sends a single character through the serial port(USART)
#define putcharTX(data)  _serialSMARTGPU2.putc(data)

//Returns a single character obtained from the serial port(USART)
#define getcharRX()      _serialSMARTGPU2.getc()

//Changes/Sets a new baudrate of the Host
#define setBaud(newBaud) _serialSMARTGPU2.baud(newBaud)

//Reset pin
#define resetHigh        _resetPin=VCC // set the pin to 5v to end reset
#define resetLow         _resetPin=GND // set the pin to GND to reset 
 
//MBED Exclusive - Hardware Configuration
void SMARTGPU2::init(){          //configure the MBED board for SMARTGPU2 board
    setBaud(9600);
    resetLow;                             // set the pin to GND to reset 
    delay(500);
    resetHigh;                            // set the pin to 5v to end reset
    delay(500);
}
/*********************END OF USER MODIFABLE**********************/

/*******************DON'T MODIFY UP FROM HERE********************/
/****************************************************************/
/****************************************************************/ 
/****************************************************************/
//SmartGPU2 Library exclusive Functions - DO NOT MODIFY DOWN FROM HERE
/****************************************************************/
/****************************************************************/
/****************************************************************/
// SMART GPU2 DEFAULT BAUD RATE: 9600bps
//It should always be used like this : SMARTGPU2 lcd(TXPIN,RXPIN,RESET); for serial communication with SMARTGPU2
SMARTGPU2::SMARTGPU2(PinName TXPin, PinName RXPin, PinName resetPin): _serialSMARTGPU2(TXPin,RXPin), _resetPin(resetPin){    
    init();
}

SMARTGPUREPLY SMARTGPU2::reset(){       //Physically Reset the SMARTGPU2 board
  resetLow;                             // set the pin to GND to reset 
  delay(500);
  resetHigh;                            // set the pin to 5v to end reset
  delay(500);
  return (SMARTGPUREPLY)OK;
}

SMARTGPUREPLY SMARTGPU2::start(){       //Init the SMARTGPU2
  delay(500); 
  putcharTX('U');  
  delay(500);
  return (SMARTGPUREPLY)getcharRX();
}
 
 
/****************************************************************/
//Master Functions
/****************************************************************/
SMARTGPUREPLY SMARTGPU2::erase(){       //Erase the SMARTGPU2 screen
  putcharTX('M');             //Master function
  putcharTX('E'); 
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::sleep(STATE state){       //Send SMARTGPU2 to sleep mode
  putcharTX('M');             //Master function
  putcharTX('Z'); 
  putcharTX(state);
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::orientation(LCDORIENTATIONS side){       //Change display orientation
  putcharTX('M');             //Master function
  putcharTX('O'); 
  putcharTX(side);
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::bright(unsigned char val){       //Change display brightness
  putcharTX('M');             //Master function
  putcharTX('B'); 
  putcharTX(val);
  return (SMARTGPUREPLY)getcharRX();
}
 
// SMART GPU 2 DEFAULT/INITIAL BAUD RATE: 9600bps
SMARTGPUREPLY SMARTGPU2::baudChange(unsigned long baud){       //Change baud rate of MBED and SMARTGPU2 board
  unsigned char aux;
 
  putcharTX('M');             //Master function  
  putcharTX('X');
  putcharTX(baud>>24);
  putcharTX(baud>>16);
  putcharTX(baud>>8);
  putcharTX(baud);
  aux=getcharRX();
  if(aux=='O'){ //if command is successfull, change baudrate, if not just leave and return 'F'
    delay(150);
    setBaud(baud);
    delay(200);
    return (SMARTGPUREPLY)getcharRX();
  }else{
    return (SMARTGPUREPLY)aux;
  }
}
 
SMARTGPUREPLY SMARTGPU2::setEraseBackColour(COLOUR colour){       //Change the default screen background colour for erase function
  putcharTX('M');             //Master function
  putcharTX('C');             //Background Colour
  putcharTX(colour>>8);
  putcharTX(colour); 
  return (SMARTGPUREPLY)getcharRX();
}
 
 
/****************************************************************/
//Geometric Functions
/****************************************************************/
SMARTGPUREPLY SMARTGPU2::putPixel(AXIS x, AXIS y, COLOUR colour){       //Draw a pixel on the screen
  putcharTX('G');             //Geometric function 
  putcharTX('P'); 
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(colour>>8);
  putcharTX(colour);
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::drawLine(AXIS x1, AXIS y1, AXIS x2, AXIS y2, COLOUR colour){       //Draw a line on the screen
  putcharTX('G');             //Geometric function  
  putcharTX('L'); 
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);  
  putcharTX(colour>>8);
  putcharTX(colour);
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::drawRectangle(AXIS x1, AXIS y1, AXIS x2, AXIS y2, COLOUR colour, FILLGEOM fill){       //Draw a rectangle on the screen
  putcharTX('G');             //Geometric function 
  putcharTX('R');             //Rectangle   
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);  
  putcharTX(colour>>8);
  putcharTX(colour);
  putcharTX(fill);  
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::drawRoundRect(AXIS x1, AXIS y1, AXIS x2, AXIS y2, RADIUS radius, COLOUR colour, FILLGEOM fill){      //Draw a rounded rectangle on the screen
  putcharTX('G');             //Geometric function 
  putcharTX('O');             //Rounded Rectangle   
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);  
  putcharTX(radius>>8);
  putcharTX(radius);   
  putcharTX(colour>>8);
  putcharTX(colour);
  putcharTX(fill);  
  return (SMARTGPUREPLY)getcharRX();
}
    
SMARTGPUREPLY SMARTGPU2::drawGradientRect(AXIS x1, AXIS y1, AXIS x2, AXIS y2, COLOUR firstColour, COLOUR lastColour, ORIENTATIONPARAMETER direction){
  putcharTX('G');             //Geometric function 
  putcharTX('G');             //Gradient rectangle function
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);  
  putcharTX(firstColour>>8);
  putcharTX(firstColour);
  putcharTX(lastColour>>8);
  putcharTX(lastColour);  
  putcharTX(direction);  
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::drawTriangle(AXIS x1, AXIS y1, AXIS x2, AXIS y2, AXIS x3, AXIS y3, COLOUR colour, FILLGEOM fill){       //Draw a triangle on the screen
  putcharTX('G');             //Geometric function  
  putcharTX('T'); 
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);  
  putcharTX(x3>>8); 
  putcharTX(x3);
  putcharTX(y3>>8);
  putcharTX(y3);    
  putcharTX(colour>>8);
  putcharTX(colour);
  putcharTX(fill);  
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::drawArc(AXIS x, AXIS y, RADIUS radiusx, RADIUS radiusy, ARCQUADRANT quadrant, COLOUR colour, FILLGEOM fill){ //Draw an Arc on the screen
  putcharTX('G');             //Geometric function  
  putcharTX('A');             //Arc
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(radiusx>>8);
  putcharTX(radiusx);
  putcharTX(radiusy>>8);
  putcharTX(radiusy);  
  putcharTX(quadrant);
  putcharTX(colour>>8);
  putcharTX(colour);
  putcharTX(fill);  
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::drawCircle(AXIS x, AXIS y, RADIUS radius, COLOUR colour, FILLGEOM fill){       //Draw a circle on the screen
  putcharTX('G');             //Geometric function  
  putcharTX('C');             //Circle 
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(radius>>8);
  putcharTX(radius);
  putcharTX(colour>>8);
  putcharTX(colour);
  putcharTX(fill);  
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::drawEllipse(AXIS x, AXIS y, RADIUS radiusx, RADIUS radiusy, COLOUR colour, FILLGEOM fill){       //Draw an Ellipse on the screen
  putcharTX('G');             //Geometric function 
  putcharTX('E');             //Ellipse 
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(radiusx>>8);
  putcharTX(radiusx);
  putcharTX(radiusy>>8);
  putcharTX(radiusy);  
  putcharTX(colour>>8);
  putcharTX(colour);
  putcharTX(fill);  
  return (SMARTGPUREPLY)getcharRX();
}
 
 
/****************************************************************/
//String Functions
/****************************************************************/
SMARTGPUREPLY SMARTGPU2::putLetter(AXIS x, AXIS y, char letter, AXIS *xUpdated){  //Draw a letter on the screen on X,Y coords, returns updated value of X axis in xUpdated variable
  unsigned int xUp = 0;          //variable to store the updated position of X axis after command is called/char is printed
  
  putcharTX('S');             //String Function 
  putcharTX('L');             //Letter - a simple letter
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(letter); 
 
  ((unsigned char*)&xUp)[1]=getcharRX();
  ((unsigned char*)&xUp)[0]=getcharRX(); 
  *xUpdated = xUp;
  return (SMARTGPUREPLY)getcharRX();  
}
 
SMARTGPUREPLY SMARTGPU2::printNumber(AXIS x, AXIS y, float number){ //Prints a float number on screen 
  putcharTX('S');           //String Function 
  putcharTX('N');           //Number
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(((char *)&number)[3]);
  putcharTX(((char *)&number)[2]);
  putcharTX(((char *)&number)[1]);
  putcharTX(((char *)&number)[0]);    
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::string(AXIS x1, AXIS y1, AXIS x2, AXIS y2, char text[], NUMBEROFBYTES *SPB){    //Draw a string on the screen on defined Text Box coords, and stores the successfully printed bytes on SPB
  unsigned int counter=0, sp=0; 
  
  putcharTX('S');             //String Function 
  putcharTX('S');             //String 
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);   
  while(1){
    putcharTX(text[counter]);
    if(text[counter]==0x00){
      break;
    }   
    counter++;
  }  
 
  ((unsigned char*)&sp)[1]=getcharRX();
  ((unsigned char*)&sp)[0]=getcharRX();
  *SPB = sp;
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::stringSD(AXIS x1, AXIS y1, AXIS x2, AXIS y2, NUMBEROFBYTES BS, NUMBEROFBYTES BR, FILENAME name, NUMBEROFBYTES *SPB){       //Draw a String from a text file stored on the micro SD card
  unsigned char counter=0, sp=0;
  
  putcharTX('S');             //String function 
  putcharTX('F');             //text File from SD 
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);  
  putcharTX(BS>>8);
  putcharTX(BS);  
  putcharTX(BR>>8);
  putcharTX(BR);  
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
 
  ((unsigned char*)&sp)[1]=getcharRX();
  ((unsigned char*)&sp)[0]=getcharRX();
  *SPB = sp; 
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::setTextColour(COLOUR colour){        //Set the default text colour for letters and strings
  putcharTX('S');             //String Function 
  putcharTX('C');             //Config  
  putcharTX('T');             //Text
  putcharTX(colour>>8);
  putcharTX(colour); 
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::setTextBackColour(COLOUR colour){    //Set the default text background colour for letters and strings
  putcharTX('S');             //String Function 
  putcharTX('C');             //Config  
  putcharTX('B');             //Background
  putcharTX(colour>>8);
  putcharTX(colour); 
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::setTextSize(FONTSIZE size){           //Set the default text size for letters and strings
  putcharTX('S');             //String Function 
  putcharTX('C');             //Config  
  putcharTX('S');             //Size
  putcharTX(size); 
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::setTextBackFill(TEXTBACKGROUNDCOLOURFILLUNFILL fillState){  //Set the default text FILL or UNFILL background letters and strings
  putcharTX('S');             //String Function 
  putcharTX('C');             //Config  
  putcharTX('F');             //Fill
  putcharTX(fillState); 
  return (SMARTGPUREPLY)getcharRX();
}
 
 
/****************************************************************/
//Image Functions
/****************************************************************/
SMARTGPUREPLY SMARTGPU2::drawIcon(AXIS x1, AXIS y1, AXIS x2, AXIS y2, char icon[]){            //Send and image or icon pixel by pixel to SMARTGPU2, 16bit(2 bytes) each pixel RGB565
  unsigned int i,j,k=0; 
  
  putcharTX('I');             //Image function 
  putcharTX('I');             //Icon image received pixel by pixel
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2);
  //Send icon buffer pixel by pixel
  for(j=0;j<=(y2-y1);j++){
    for(i=0;i<=(x2-x1);i++){
        putcharTX(icon[k++]); //16bit per pixel - Upper 8bits part
        putcharTX(icon[k++]); //16bit per pixel - Lower 8bits part
    }
  }
  
  return (SMARTGPUREPLY)getcharRX();  
}
 
SMARTGPUREPLY SMARTGPU2::imageBMPSD(AXIS x, AXIS y, FILENAME name){        //Draw an Image stored on the micro SD card on the screen, at X,Y top right corner coordinates
  unsigned char counter=0;
  
  putcharTX('I');             //Image function 
  putcharTX('B');             //BMP from SD card
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
  return (SMARTGPUREPLY)getcharRX();
}
 
SMARTGPUREPLY SMARTGPU2::imageJPGSD(AXIS x, AXIS y, JPGSCALEFACTOR scaleFactor, FILENAME name){        //Draw an Image stored on the micro SD card on the screen, at X,Y top right corner coordinates
  unsigned char counter=0;
  
  putcharTX('I');             //Image function 
  putcharTX('J');             //JPG from SD card
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(scaleFactor);
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
  return (SMARTGPUREPLY)getcharRX();
}
 
//Reads a defined x1,x1,x2,y2 box of the SmartGPU display, and returns it pixel by pixel in RGB 888 format, 1 byte per colour, 3 bytes per pixel
SMARTGPUREPLY SMARTGPU2::getImageFromMemory(AXIS x1, AXIS y1, AXIS x2, AXIS y2, char buffer[]){ //Read the internal memory of the SMARTGPU2, This command returns 24bit pixels (3 bytes)
  unsigned int i,j,k=0;
  
  putcharTX('I');             //Image function
  putcharTX('M');             //from SmartGPU internal Display Memory
  putcharTX(x1>>8); 
  putcharTX(x1);
  putcharTX(y1>>8);
  putcharTX(y1);
  putcharTX(x2>>8); 
  putcharTX(x2);
  putcharTX(y2>>8);
  putcharTX(y2); 
  //receive all the pixels
  for(j=0;j<=(y2-y1);j++){
    for(i=0;i<=(x2-x1);i++){
        buffer[k++]=getcharRX(); //Red
        buffer[k++]=getcharRX(); //Green        
        buffer[k++]=getcharRX(); //Blue
    }   
  }
  return (SMARTGPUREPLY)getcharRX();  
}
 
//takes a screenshot of SmartGPU2 display and stores it in the microSD card with consecutive names Screenshot000.bmp, Screenshot001.bmp, etc
SMARTGPUREPLY SMARTGPU2::screenshot(){ 
  putcharTX('I');             //Image function
  putcharTX('S');             //Screenshot
  return (SMARTGPUREPLY)getcharRX();    
}
 
 
/****************************************************************/
//Video Functions
/****************************************************************/
//Allocates a ".vid" video stored on the micro SD card with the given filename name
SMARTGPUREPLY SMARTGPU2::allocateVideoSD(FILENAME name, VIDDATA *videoData){ 
  unsigned int wid=0, hei=0, fra=0, tot=0;
  unsigned char counter=0;
  
  putcharTX('V');             //Video function   
  putcharTX('A');             //Allocate
  while(1){                   //Send Video Name
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
 
  ((unsigned char *) &wid)[1]=getcharRX(); //get video width
  ((unsigned char *) &wid)[0]=getcharRX(); 
  ((unsigned char *) &hei)[1]=getcharRX(); //get video height
  ((unsigned char *) &hei)[0]=getcharRX();
  ((unsigned char *) &fra)[1]=getcharRX(); //get video frames per second
  ((unsigned char *) &fra)[0]=getcharRX();
  ((unsigned char *) &tot)[1]=getcharRX(); //get video total frames
  ((unsigned char *) &tot)[0]=getcharRX();
  videoData->width        = wid;
  videoData->height       = hei;
  videoData->framesPerSec = fra;
  videoData->totalFrames  = tot;
  return (SMARTGPUREPLY)getcharRX();
}
 
//deAllocates a ".vid" video previously allocated, must be called when no more calls to video will be done
SMARTGPUREPLY SMARTGPU2::freeVideoSD(){  
  putcharTX('V');             //Video function   
  putcharTX('D');             //DeAllocate
  return (SMARTGPUREPLY)getcharRX();
}
 
 //Sets a video start Frame position, this function can be used to FastForward video or Rewing, returns 'F' if invalid position
SMARTGPUREPLY SMARTGPU2::setFrameVideoSD(unsigned int startFrame){
  putcharTX('V');             //Video function   
  putcharTX('F');             //set Video Frame
  putcharTX(startFrame>>8);
  putcharTX(startFrame);
  return (SMARTGPUREPLY)getcharRX();
}
 
 //Plays a previously allocated ".vid" video stored on mSD card on X,Y top right corner coordinates, starting from current Video Frame and plays framesToPlay
SMARTGPUREPLY SMARTGPU2::playVideoSD(AXIS x, AXIS y, unsigned int framesToPlay){ //frames to play from current video Frame
  putcharTX('V');             //Video function   
  putcharTX('P');             //Play
  putcharTX(x>>8); 
  putcharTX(x);
  putcharTX(y>>8);
  putcharTX(y);
  putcharTX(framesToPlay>>8);
  putcharTX(framesToPlay);
  return (SMARTGPUREPLY)getcharRX();
}
    
 
/****************************************************************/
//Audio Functions
/****************************************************************/      
SMARTGPUREPLY SMARTGPU2::initDACAudio(STATE state){
  putcharTX('A');             //Audio Function
  putcharTX('I');             //Init - Deinit DACs
  putcharTX(state);           //Enable/Disable  
  return (SMARTGPUREPLY)getcharRX();      
}
 
SMARTGPUREPLY SMARTGPU2::audioBoost(STATE state){
  putcharTX('A');             //Audio Function
  putcharTX('B');             //Boost
  putcharTX(state);           //Enable/Disable
  return (SMARTGPUREPLY)getcharRX();    
}
 
SMARTGPUREPLY SMARTGPU2::getWAVPlayState(STATE* state){ //returns ENABLE or DISABLE if any file is playing
  putcharTX('A');             //Audio Function
  putcharTX('G');             //Get playing File status  
  *state = (STATE)getcharRX();        //Get state
  return (SMARTGPUREPLY)getcharRX();  
}
 
SMARTGPUREPLY SMARTGPU2::playWAVFile(FILENAME name, unsigned int* seconds){ //returns in "seconds" variable the song duration in seconds
  unsigned int counter=0;
  unsigned int secs=0;
  
  putcharTX('A');             //Audio Function
  putcharTX('P');             //Play WAV file
  while(1){                      //Send file name
    putcharTX(name[counter]);
    if(name[counter]==0x00){
    break;
    }   
    counter++;
  }
 
  ((unsigned char *) &secs)[1]=getcharRX();  
  ((unsigned char *) &secs)[0]=getcharRX();     
  *seconds = secs;
  return (SMARTGPUREPLY)getcharRX();    
}
 
SMARTGPUREPLY SMARTGPU2::pauseWAVFile(){ //pauses a playing file, returns 'F' if no file is playing
  putcharTX('A');             //Audio Function
  putcharTX('W');             //Pause file
  return (SMARTGPUREPLY)getcharRX();   
}
 
SMARTGPUREPLY SMARTGPU2::stopWAVFile(){
  putcharTX('A');             //Audio Function
  putcharTX('S');             //Stop playing file
  return (SMARTGPUREPLY)getcharRX();   
}
 
SMARTGPUREPLY SMARTGPU2::advanceWAVFile(unsigned int seconds){ //advance to the file to the given seconds parameter  
  putcharTX('A');             //Audio Function
  putcharTX('A');             //Advance file  
  putcharTX(seconds>>8);
  putcharTX(seconds);  
  return (SMARTGPUREPLY)getcharRX();          //returns 'F' if no file is playing or if no seconds position exists, in this case file will stop playing
}
 
SMARTGPUREPLY SMARTGPU2::setVolumeWAV(unsigned char volume){
  putcharTX('A');             //Audio Function
  putcharTX('V');             //Volume
  putcharTX(volume);
  return (SMARTGPUREPLY)getcharRX();  
}
 
 
/****************************************************************/
//Real Time Clock Functions
/****************************************************************/          
SMARTGPUREPLY SMARTGPU2::setupRTC(STATE *state){
  putcharTX('R');              //RTC function - Real Time Clock
  putcharTX('S');              //Setup RTC
  *state = (STATE)getcharRX();  //Get state
  return (SMARTGPUREPLY)getcharRX();   
}
    
SMARTGPUREPLY SMARTGPU2::getRTCTimeDate(TIME *timeDate){
  unsigned int counter=0;
  
  putcharTX('R');              //RTC function - Real Time Clock
  putcharTX('P');              //Parameters
  putcharTX('G');              //Get
  timeDate->hour = getcharRX(); //hour
  timeDate->minute = getcharRX();   //min
  timeDate->second = getcharRX(); //sec
  timeDate->day = getcharRX();  //day
  timeDate->month = getcharRX();  //month
  ((unsigned char*)&counter)[1] = getcharRX();       //year upper
  ((unsigned char*)&counter)[0] = getcharRX();       //year lower
  timeDate->year = counter;         //year 
  return (SMARTGPUREPLY)getcharRX();
}
    
SMARTGPUREPLY SMARTGPU2::setRTCTimeDate(TIME *timeDate){
  putcharTX('R');              //RTC function - Real Time Clock
  putcharTX('P');              //Parameters
  putcharTX('S');              //Set
  putcharTX(timeDate->hour);   //hour
  putcharTX(timeDate->minute); //min
  putcharTX(timeDate->second); //sec
  putcharTX(timeDate->day);   //day
  putcharTX(timeDate->month);  //month
  putcharTX(timeDate->year>>8);//year upper
  putcharTX(timeDate->year);      //year lower  
  return (SMARTGPUREPLY)getcharRX();
}
    
    
/****************************************************************/
//Objects Functions
/****************************************************************/          
SMARTGPUREPLY SMARTGPU2::objButton(AXIS x1, AXIS y1, AXIS x2, AXIS y2, ACTIVE activeState, char text[]){
  unsigned int counter=0;
  
  putcharTX('O');              //Object function
  putcharTX('B');              //Button
  putcharTX(x1>>8);
  putcharTX(x1);  
  putcharTX(y1>>8);
  putcharTX(y1);  
  putcharTX(x2>>8);
  putcharTX(x2);  
  putcharTX(y2>>8);
  putcharTX(y2);
  putcharTX(activeState);
  while(1){                      //Send button text
    putcharTX(text[counter]);
    if(text[counter]==0x00){
      break;
    }   
    counter++;
  }    
  return (SMARTGPUREPLY)getcharRX();  
}
 
SMARTGPUREPLY SMARTGPU2::objSwitch(AXIS x, AXIS y, unsigned int switchSize, ACTIVE activeState){
  putcharTX('O');              //Object function
  putcharTX('T');              //Switch
  putcharTX(x>>8);
  putcharTX(x);  
  putcharTX(y>>8);
  putcharTX(y);  
  putcharTX(switchSize>>8);
  putcharTX(switchSize);  
  putcharTX(activeState);
  return (SMARTGPUREPLY)getcharRX();
}
    
SMARTGPUREPLY SMARTGPU2::objCheckbox(AXIS x, AXIS y, unsigned int checkboxSize, ACTIVE activeState){
  putcharTX('O');              //Object function
  putcharTX('C');              //Checkbox
  putcharTX(x>>8);
  putcharTX(x);  
  putcharTX(y>>8);
  putcharTX(y);  
  putcharTX(checkboxSize>>8);
  putcharTX(checkboxSize);  
  putcharTX(activeState);
  return (SMARTGPUREPLY)getcharRX();    
}
 
SMARTGPUREPLY SMARTGPU2::objProgressBar(AXIS x1, AXIS y1, AXIS x2, AXIS y2, unsigned char progress){
  putcharTX('O');              //Object function
  putcharTX('P');              //Progress Bar
  putcharTX(x1>>8);
  putcharTX(x1);  
  putcharTX(y1>>8);
  putcharTX(y1);  
  putcharTX(x2>>8);
  putcharTX(x2);  
  putcharTX(y2>>8);
  putcharTX(y2);
  putcharTX(progress);
  return (SMARTGPUREPLY)getcharRX();    
}
 
SMARTGPUREPLY SMARTGPU2::objSlider(AXIS x1, AXIS y1, AXIS x2, AXIS y2, unsigned char position, unsigned char divisions, ORIENTATIONPARAMETER sliderOrientation){
  putcharTX('O');              //Object function
  putcharTX('L');              //Slider
  putcharTX(x1>>8);
  putcharTX(x1);  
  putcharTX(y1>>8);
  putcharTX(y1);  
  putcharTX(x2>>8);
  putcharTX(x2);  
  putcharTX(y2>>8);
  putcharTX(y2);
  putcharTX(position);
  putcharTX(divisions);
  putcharTX(sliderOrientation);
  return (SMARTGPUREPLY)getcharRX();    
}
 
SMARTGPUREPLY SMARTGPU2::objScrollBar(AXIS x1, AXIS y1, AXIS x2, AXIS y2, unsigned char position, unsigned char divisions, ORIENTATIONPARAMETER scrollBarOrientation, ACTIVE activeState){
  putcharTX('O');              //Object function
  putcharTX('S');              //Scroll bar
  putcharTX(x1>>8);
  putcharTX(x1);  
  putcharTX(y1>>8);
  putcharTX(y1);  
  putcharTX(x2>>8);
  putcharTX(x2);  
  putcharTX(y2>>8);
  putcharTX(y2);
  putcharTX(position);
  putcharTX(divisions);
  putcharTX(scrollBarOrientation);
  putcharTX(activeState);
  return (SMARTGPUREPLY)getcharRX();    
}
 
SMARTGPUREPLY SMARTGPU2::objWindow(AXIS x1, AXIS y1, AXIS x2, AXIS y2, FONTSIZE textSize, WINDOWTYPE winType, char text[]){
  unsigned int counter=0;
  
  putcharTX('O');              //Object function
  putcharTX('W');              //Window
  putcharTX(x1>>8);
  putcharTX(x1);  
  putcharTX(y1>>8);
  putcharTX(y1);  
  putcharTX(x2>>8);
  putcharTX(x2);  
  putcharTX(y2>>8);
  putcharTX(y2);
  putcharTX(textSize);  
  putcharTX(winType);
  while(1){                      //Send button text
    putcharTX(text[counter]);
    if(text[counter]==0x00){
      break;
    }   
    counter++;
  }
  return (SMARTGPUREPLY)getcharRX();    
}
 
 
/****************************************************************/
//EEPROM-FLASH Functions - Refer to "smartGPU2 Command Set" to learn about READ-WRITE procedure.
/****************************************************************/          
SMARTGPUREPLY SMARTGPU2::initClearEEPROMBuff(){
  putcharTX('E');              //EEPROM function
  putcharTX('I');              //Init/Clear EEPROM Buffer
  return (SMARTGPUREPLY)getcharRX(); 
}
 
SMARTGPUREPLY SMARTGPU2::readEEPROMBuff(char buffer[], ADDRESS EEPROMbufferAddress, NUMBEROFBYTES bytesToRead, NUMBEROFBYTES *SRB){
  unsigned int x=0, sr=0;
  
  putcharTX('E');              //EEPROM function
  putcharTX('R');              //Read N bytes from EEPROM buffer to received buffer[]
  putcharTX(EEPROMbufferAddress>>8); //address to start reading from EEPROM buffer
  putcharTX(EEPROMbufferAddress);  
  putcharTX(bytesToRead>>8);
  putcharTX(bytesToRead); 
  
  for(x=0; x<bytesToRead; x++){
    buffer[x]=getcharRX();
  }
  ((unsigned char*)&sr)[1]=getcharRX();
  ((unsigned char*)&sr)[0]=getcharRX();
  *SRB = sr;                   //store succesfully read bytes  
   return (SMARTGPUREPLY)getcharRX();  
}
 
SMARTGPUREPLY SMARTGPU2::writeEEPROMBuff(char buffer[], ADDRESS EEPROMbufferAddress, NUMBEROFBYTES bytesToWrite, NUMBEROFBYTES *SWB){
  unsigned int x=0, sw=0;
  
  putcharTX('E');              //EEPROM function
  putcharTX('W');              //Write N bytes to EEPROM buffer from received buffer[]
  putcharTX(EEPROMbufferAddress>>8); //address to start writting to EEPROM buffer
  putcharTX(EEPROMbufferAddress);  
  putcharTX(bytesToWrite>>8);
  putcharTX(bytesToWrite);    
  for(x=0; x<bytesToWrite; x++){
    putcharTX(buffer[x]);
  }  
 
  ((unsigned char*)&sw)[1]=getcharRX();
  ((unsigned char*)&sw)[0]=getcharRX();
  *SWB = sw;                   //store succesfully written bytes
   return (SMARTGPUREPLY)getcharRX();    
}
 
SMARTGPUREPLY SMARTGPU2::saveBuffToEEPROMPage(EEPROMPAGE page){
  putcharTX('E');              //EEPROM function
  putcharTX('S');              //Save EEPROM buffer contents to received EEPROM page#
  putcharTX(page);
  return (SMARTGPUREPLY)getcharRX(); 
}
 
SMARTGPUREPLY SMARTGPU2::fillBuffFromEEPROMPage(EEPROMPAGE page){
  putcharTX('E');              //EEPROM function
  putcharTX('F');              //Fill(copy) EEPROM buffer with received EEPROM page# contents
  putcharTX(page);
  return (SMARTGPUREPLY)getcharRX(); 
}
 
SMARTGPUREPLY SMARTGPU2::compBuffToEEPROMPage(EEPROMPAGE page, unsigned char *result){
  putcharTX('E');              //EEPROM function
  putcharTX('C');              //Compare EEPROM buffer contents with received EEPROM page#
  putcharTX(page);
  *result = getcharRX();
  return (SMARTGPUREPLY)getcharRX(); 
}   
 
SMARTGPUREPLY SMARTGPU2::eraseEEPROMPage(EEPROMPAGE page){
  putcharTX('E');              //EEPROM function
  putcharTX('E');              //Erase received EEPROM page#
  putcharTX(page);
  return (SMARTGPUREPLY)getcharRX(); 
}   
 
    
/****************************************************************/
//Touch Functions
//Those next Touch Functions return valid or invalid touch coordinates status(TOUCHREPLY) instead of ACK 'O' or NAK 'F'(SMARTGPUREPLY)
/****************************************************************/
TOUCHREPLY SMARTGPU2::touchScreen(POINT *point){ //Ask for a touch on the screen, if return==VALID, touch coords are valid and stored on xAxis and yAxis 
  unsigned int x=0,y=0;
  putcharTX('T');             //Touch Function
  putcharTX('S');             //Screen touch 
  ((unsigned char *) &x)[1]=getcharRX();
  ((unsigned char *) &x)[0]=getcharRX();
  ((unsigned char *) &y)[1]=getcharRX();
  ((unsigned char *) &y)[0]=getcharRX();
  if(getcharRX()=='O'){  //if touch coordinates are valid, assign values
    point->x=x;
    point->y=y;
    return (TOUCHREPLY)VALID;
  }
  return (TOUCHREPLY)INVALID;
}

#ifdef  LCD320X240 //define function only for the SmartGPU2 LCD320x240 2.4" is selected, as it is the only board with touch icons
TOUCHREPLY SMARTGPU2::touchIcon(ICON *icon){ //Ask for a touch on the icons of the screen, if return==VALID, icon first letter is stored on icon
  putcharTX('T');             //Touch Function
  putcharTX('I');             //Icons touch
  *icon = (ICON)getcharRX();
  if(getcharRX()=='O'){  //if touch coordinates are valid
    return (TOUCHREPLY)VALID;
  }
  return (TOUCHREPLY)INVALID;
}
#elif defined  LCD320X240SH //define function only for the SmartGPU2 LCD320x240SH 2.4" is selected, as it is the only board with touch icons
 
TOUCHREPLY SMARTGPU2::touchIcon(ICON *icon){ //Ask for a touch on the icons of the screen, if return==VALID, icon first letter is stored on icon
  putcharTX('T');             //Touch Function
  putcharTX('I');             //Icons touch
  *icon = (ICON)getcharRX();
  if(getcharRX()=='O'){  //if touch coordinates are valid
    return (TOUCHREPLY)VALID;
  }
  return (TOUCHREPLY)INVALID;
}
#endif
 
 
/****************************************************************/
//SD FAT management Functions
//Those next SDF - SD Functions return file execution status(FILERESULT) instead of ACK 'O' or NAK 'F'(SMARTGPUREPLY)
/****************************************************************/
FILERESULT SMARTGPU2::SDFgetList(unsigned int *numOfDirs, unsigned int *numOfFiles){ //get number of dirs and files
  FILERESULT res;
  unsigned int dirs=0, files=0;
    
  putcharTX('F');           //File function - memory card file management
  putcharTX('L');           //List/count dirs and files
  
  ((unsigned char *) &dirs)[1]= getcharRX();       //Get Upper part
  ((unsigned char *) &dirs)[0]= getcharRX();       //Get Lower part
  ((unsigned char *) &files)[1]= getcharRX();      //Get Upper part
  ((unsigned char *) &files)[0]= getcharRX();      //Get Lower part  
  *numOfDirs=dirs;  
  *numOfFiles=files;
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFgetDirName(ITEMNUMBER itemNumber, FILENAME name){ //searches for the "itemNumber" on the SD current folder and updates the buffer with the Dir name ended with NULL character
  FILERESULT  res;
  unsigned int  i=0;
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('G');           //Get name of given item file number
  putcharTX('D');           //Directory
  putcharTX(itemNumber>>8); //Send Upper part of itemNumber
  putcharTX(itemNumber);    //Send Lower part of itemNumber
  
  while(1){
    name[i]=getcharRX(); 
    if(name[i]==0x00){         //if we find NULL character, means end of name
        break;   
    }
    i++;
  }
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                    //Return SD file execution status
 }
 
FILERESULT SMARTGPU2::SDFgetFileName(ITEMNUMBER itemNumber, FILENAME name){ //searches for the "itemNumber" on the SD current folder and updates the buffer with the File name ended with NULL character
  FILERESULT  res;
  unsigned int  i=0;
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('G');           //Get name of given item file number
  putcharTX('F');           //File  
  putcharTX(itemNumber>>8); //Send Upper part of itemNumber
  putcharTX(itemNumber);    //Send Lower part of itemNumber
 
  while(1){
    name[i]=getcharRX(); 
    if(name[i]==0x00){         //if we find NULL character, means end of name
        break;   
    }
    i++;
  }
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                    //Return SD file execution status
 }
 
FILERESULT SMARTGPU2::SDFgetDirPath(char path[]){ //obtains current dir path and stores on path[] buffer
  FILERESULT  res;
  unsigned int  i=0;
  putcharTX('F');           //File function - memory card file management
  putcharTX('H');           //Get current Dir Path
  
  while(1){
    path[i]=getcharRX(); 
    if(path[i]==0x00){         //if we find NULL character, means end of path
        break;   
    }
    i++;
  }
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                    //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFnewDir(FILENAME name){ //create a new Directory, fails if already exist
  FILERESULT res;
  unsigned int counter=0;  
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('N');           //New
  putcharTX('D');           //Directory/Folder  
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
    break;
    }   
    counter++;
  }
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                    //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFnewFile(FILENAME name){ //create a new File, fails if already exist
  FILERESULT res;
  unsigned int counter=0;  
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('N');           //New
  putcharTX('F');           //File 
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
    break;
    }   
    counter++;
  }
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                    //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFopenDir(FILENAME name){ //opens an existing Dir
  FILERESULT res;
  unsigned int counter=0;  
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('D');           //Open Dir
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                    //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFopenFile(FILENAME name, OPENMODE mode, WORKSPACEBLOCK objectWorkspaceNo){ //opens an existing file in READONLY, WRITEONLY or READWRITE mode on the received object # workspace
  FILERESULT res;
  unsigned int counter=0;  
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('O');           //Open file
  putcharTX(objectWorkspaceNo); //object workspace number to allocate open file 0-4
  putcharTX(mode);          //Mode - READONLY,WRITEONLY,READWRITE
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                    //Return SD file execution status  
}
 
FILERESULT SMARTGPU2::SDFcloseFile(WORKSPACEBLOCK objectWorkspaceNo){ //close and save file object # workspace
  FILERESULT res;
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('C');           //Close File
  putcharTX(objectWorkspaceNo); //object workspace number to close 0-4  
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFsaveFile(WORKSPACEBLOCK objectWorkspaceNo){ //sync/save file object # workspace
  FILERESULT res;
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('S');           //Save/Sync file - Save changes on file
  putcharTX(objectWorkspaceNo); //object workspace number to save changes 0-4  
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFsetFilePointer(POINTERPOSITION pointerPosition, WORKSPACEBLOCK objectWorkspaceNo){ // set/move file pointer of file object # workspace
  FILERESULT res;
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('P');           //Pointer position
  putcharTX(objectWorkspaceNo); //object workspace number to move pointer 0-4  
  putcharTX('S');           //Set  
  putcharTX(pointerPosition>>24);
  putcharTX(pointerPosition>>16);
  putcharTX(pointerPosition>>8);
  putcharTX(pointerPosition);
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}   
 
FILERESULT SMARTGPU2::SDFgetFilePointer(POINTERPOSITION *pointerPosition, WORKSPACEBLOCK objectWorkspaceNo){ // get file pointer of file object # workspace
  FILERESULT res;
  unsigned long pos = 0;
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('P');           //Pointer position
  putcharTX(objectWorkspaceNo); //object workspace number to get pointer 0-4  
  putcharTX('G');           //Get
  
  ((unsigned char *) &pos)[3]=getcharRX();
  ((unsigned char *) &pos)[2]=getcharRX();
  ((unsigned char *) &pos)[1]=getcharRX();  
  ((unsigned char *) &pos)[0]=getcharRX();
  *pointerPosition =pos;
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}   
 
FILERESULT SMARTGPU2::SDFreadFile(char buffer[], NUMBEROFBYTES BTR, NUMBEROFBYTES *SRB, WORKSPACEBLOCK objectWorkspaceNo){ //Bytes to Read, Succesfully Read Bytes, file object # to read bytes from
  FILERESULT res;
  unsigned int x=0, sr=0;
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('R');           //Read file
  putcharTX(objectWorkspaceNo); //object workspace number to read 0-4    
  putcharTX(BTR>>8);
  putcharTX(BTR);  
 
  for(x=0;x<BTR;x++){
    buffer[x]=getcharRX();
  }
  ((unsigned char*)&sr)[1]=getcharRX();
  ((unsigned char*)&sr)[0]=getcharRX();
  *SRB = sr;                   //store succesfully read bytes
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}   
 
FILERESULT SMARTGPU2::SDFwriteFile(char buffer[], NUMBEROFBYTES BTW, NUMBEROFBYTES *SWB,  WORKSPACEBLOCK objectWorkspaceNo){ //Bytes to Write, Succesfully Written Bytes, file object # to write bytes
  FILERESULT res;
  unsigned int x=0, sw=0;
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('W');           //Write file
  putcharTX(objectWorkspaceNo); //object workspace number to write bytes 0-4    
  putcharTX(BTW>>8);
  putcharTX(BTW);    
  for(x=0;x<BTW;x++){
    putcharTX(buffer[x]);
  }
 
  ((unsigned char*)&sw)[1]=getcharRX();
  ((unsigned char*)&sw)[0]=getcharRX();
  *SWB = sw;                   //store succesfully written bytes   
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFtestFileError(WORKSPACEBLOCK objectWorkspaceNo){  //test for an error on file # workspace
  FILERESULT res;
 
  putcharTX('F');           //File function - memory card file management
  putcharTX('Q');           //Test 
  putcharTX(objectWorkspaceNo); //object workspace number to write bytes 0-4    
  putcharTX('R');           //Test Error  
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFtestFileEnd(WORKSPACEBLOCK objectWorkspaceNo){  //test for an error on file # workspace
  FILERESULT res;
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('Q');           //Test 
  putcharTX(objectWorkspaceNo); //object workspace number to write bytes 0-4    
  putcharTX('E');           //Test End of File
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status 
}
 
FILERESULT SMARTGPU2::SDFtruncateFile(WORKSPACEBLOCK objectWorkspaceNo){  //truncates the file size to the current file read/write pointer of the file # workspace
  FILERESULT res;
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('V');           //Truncate
  putcharTX(objectWorkspaceNo); //object workspace number 0-4 to truncate on current pointerPosition
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status 
}
 
FILERESULT SMARTGPU2::SDFeraseDirFile(FILENAME name){ //Erases an existing Dir or File
  FILERESULT res;
  unsigned int counter=0;  
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('E');           //Erase Dir File
  putcharTX('O');           //Unlock Erase Protection
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFsetFileTimeDate(TIME *timeDate, FILENAME name){ //Set Time and Date to an existing File
  FILERESULT res;
  unsigned int counter=0;  
  
  putcharTX('F');              //File function - memory card file management
  putcharTX('T');              //Time/Date
  putcharTX('S');              //Set
  putcharTX(timeDate->hour);   //hour
  putcharTX(timeDate->minute); //min
  putcharTX(timeDate->second); //sec
  putcharTX(timeDate->day);   //day
  putcharTX(timeDate->month);  //month
  putcharTX(timeDate->year>>8);//year upper
  putcharTX(timeDate->year);      //year lower  
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  }
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status 
}
 
FILERESULT SMARTGPU2::SDFgetFileTimeDate(TIME *timeDate, FILENAME name){ //Get Time and Date to an existing File
  FILERESULT res;
  unsigned int counter=0;  
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('T');           //Time/Date
  putcharTX('G');           //Get
  while(1){
    putcharTX(name[counter]);
    if(name[counter]==0x00){
      break;
    }   
    counter++;
  } 
 
  timeDate->hour = getcharRX();   //hour
  timeDate->minute = getcharRX(); //min
  timeDate->second = getcharRX(); //sec
  timeDate->day = getcharRX();    //day
  timeDate->month = getcharRX();  //month
  ((unsigned char*)&counter)[1] = getcharRX();       //year upper
  ((unsigned char*)&counter)[0] = getcharRX();       //year lower
  timeDate->year = counter;         //year
  res = (FILERESULT)getcharRX();  //Get SD file execution status
  getcharRX();                    //Discard 'O' or 'F'
  return res;                     //Return SD file execution status
}
 
FILERESULT SMARTGPU2::SDFgetFileSize(FILENAME name, unsigned long *fileSize){ //Get Size of an existing File
  FILERESULT res;
  unsigned int counter=0;  
  unsigned long size=0;
  
    putcharTX('F');           //File function - memory card file management
    putcharTX('I');           //Info
    putcharTX('S');           //Size
    while(1){
        putcharTX(name[counter]);
        if(name[counter]==0x00){
        break;
        }   
        counter++;
    }   
 
  ((unsigned char *) &size)[3]=getcharRX();
  ((unsigned char *) &size)[2]=getcharRX();
  ((unsigned char *) &size)[1]=getcharRX();  
  ((unsigned char *) &size)[0]=getcharRX(); 
  *fileSize=size;
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status 
}
 
FILERESULT SMARTGPU2::SDFrenameMoveDirFile(FILENAME oldName, FILENAME newName){ //renames or moves an existing Dir or File
  FILERESULT res;
  unsigned int counter=0;  
  
    putcharTX('F');           //File function - memory card file management
    putcharTX('M');           //Rename / Move
    while(1){
        putcharTX(oldName[counter]);
        if(oldName[counter]==0x00){
        break;
        }   
        counter++;
    }
    counter=0;
    while(1){
        putcharTX(newName[counter]);
        if(newName[counter]==0x00){
        break;
        }   
        counter++;
  } 
 
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status 
}
 
FILERESULT SMARTGPU2::SDFgetFreeTotalSpace(unsigned long *freeSpace,unsigned long *totalSpace){ //Get free and total space in bytes of the microSD card
  FILERESULT res;
  unsigned long fSpace=0, tSpace=0;
  
  putcharTX('F');           //File function - memory card file management
  putcharTX('F');           //Free/Total space
 
  ((unsigned char *) &fSpace)[3]=getcharRX();
  ((unsigned char *) &fSpace)[2]=getcharRX();
  ((unsigned char *) &fSpace)[1]=getcharRX();  
  ((unsigned char *) &fSpace)[0]=getcharRX(); 
  ((unsigned char *) &tSpace)[3]=getcharRX();
  ((unsigned char *) &tSpace)[2]=getcharRX();
  ((unsigned char *) &tSpace)[1]=getcharRX();  
  ((unsigned char *) &tSpace)[0]=getcharRX(); 
  *freeSpace=fSpace;
  *totalSpace=tSpace;  
  res = (FILERESULT)getcharRX(); //Get SD file execution status
  getcharRX();                   //Discard 'O' or 'F'
  return res;                      //Return SD file execution status 
}