#ifndef __usr_c
#define __usr_c

#include "usr.h"



prog_char row_blank[17]     =  "                \0";
prog_char row_choose[17]    =  " CHOOSE / ENTER \0";
prog_char row_sep[17]       =  "----------------\0";




//for numbers 0..9 top should be 0x30, and bottom 0x39, and start inside this range.
//for chars   A..Z top should be 0x31, and bottom 0x5a, and start inside this range.
//for chars   a..z top should be 0x61, and bottom 0x7a, and start inside this range.
unsigned char usr_choose_nr(unsigned char row, unsigned char pos,unsigned char top, unsigned char bottom, unsigned char start )
{
  unsigned char k,c;

  c = start;
  k = NOKEY;
  
  while( (( k = readkey()) == NOKEY) || (k == KEY_UP) || (k == KEY_DOWN) ){

    LCDPos(row,pos);
    LCDWriteByte(c);
    LCDPos(row,pos);
    
    if( ( k == KEY_UP ) && ( c < bottom ) ){
      c++;
    }
    
    if( ( k == KEY_DOWN ) && ( c > top ) ){
      c--;
    }

    k = NOKEY;    
  }

  if( k == KEY_NAK ){
    return(0);
  }

  return(c);
}






void printDateTime(void)
{
	char str[18];

    sprintf(str,"%02d.%02d.%04d",DAY,MONTH,YEAR);
    LCDPos(2,0);
    LCDWrite(str);

    sprintf(str,"%02d:%02d:%02d",HOUR,MINUTE,SECOND);
    LCDPos(3,0);
    LCDWrite(str);

}



int setusrDate(void)
{
    unsigned char k,p,c;
	char str[12];

	LCDCls();
    sprintf(str,"%02d.%02d.%04d",DAY,MONTH,YEAR);
    LCDPos(3,0);
    LCDWrite(str);

    k = 0;
    p = 0;
    LCDPos(3,p);
    
    while( ( k = readkey()) != KEY_ACK ){

      if( k == KEY_NAK ){
        return(0);
      }

      if( k == KEY_LEFT ){
        if( p > 0 ){
          p--;
          if( p == 5 ){
            p = 4;
          }
          if( p == 2 ){
            p = 1;
          }
          
          LCDPos(3,p);
        }
      }


      if( k == KEY_RIGHT ){
        if( p < 9 ){
          p++;
          if( p == 2 ){
            p = 3;
          }
          if( p == 5 ){
            p = 6;
          }
          LCDPos(3,p);
        }
      }


      if( ( k == KEY_UP ) || ( k == KEY_DOWN ) ){
        LCDPos(0,0);
        LCDWriteP((char *)&row_choose);
        c = usr_choose_nr(3, p, 0x30, 0x39, str[p] );
        if( c ){
          str[p] = c;
        } 
        LCDCls();
        LCDPos(3,0);        
        LCDWrite(str);
        LCDPos(3,p);
      }

    }


  str[2]  = 0;
  str[5]  = 0;
  str[10] = 0;

  DAY   = atoi(&str[0]);
  MONTH = atoi(&str[3]);
  YEAR  = atoi(&str[6]);

  return(1);
}




int setusrTime(void)
{
    unsigned char k,p,c;
	char str[12];

	LCDCls();
    sprintf(str,"%02d:%02d:%02d",HOUR,MINUTE,SECOND);
    LCDPos(3,0);
    LCDWrite(str);

    k = 0;
    p = 0;
    LCDPos(3,p);
    
    while( ( k = readkey()) != KEY_ACK ){

      if( k == KEY_NAK ){
        return(0);
      }

      if( k == KEY_LEFT ){
        if( p > 0 ){
          p--;
          if( p == 5 ){
            p = 4;
          }
          if( p == 2 ){
            p = 1;
          }
          
          LCDPos(3,p);
        }
      }


      if( k == KEY_RIGHT ){
        if( p < 7 ){
          p++;
          if( p == 2 ){
            p = 3;
          }
          if( p == 5 ){
            p = 6;
          }
          LCDPos(3,p);
        }
      }


      if( ( k == KEY_UP ) || ( k == KEY_DOWN ) ){
        LCDPos(0,0);
        LCDWriteP((char *)&row_choose);
        c = usr_choose_nr(3, p, 0x30, 0x39, str[p] );
        if( c ){
          str[p] = c;
        } 
        LCDCls();
        LCDPos(3,0);        
        LCDWrite(str);
        LCDPos(3,p);
      }

    }


  str[2]  = 0;
  str[5]  = 0;
  str[8]  = 0;

  HOUR   = atoi(&str[0]);
  MINUTE = atoi(&str[3]);
  SECOND = atoi(&str[6]);

  return(1);
}










#endif