Extend utf8ascii function

[LiJu09]

Extended utf8ascii function for 0xC4 and 0xC5 UTF-8 characters. source

char utf8ascii ( char ascii )
{
  static const char lut_C3[] = { "AAAAAAACEEEEIIIIDNOOOOO#0UUUU###"
                                 "aaaaaaaceeeeiiiidnooooo##uuuuyyy" } ; 
  static const char lut_C4[] = { "AaAaAaCcCcCcCcDdDdEeEeEeEeEeGgGg"
                                 "GgGgHhHhIiIiIiIiIiJjJjKkkLlLlLlL" } ;
  static const char lut_C5[] = { "lLlNnNnNnnnnOoOoOoOoRrRrRrSsSsSs"
                                 "SsTtTtTtUuUuUuUuUuUuWwYyYZzZzZzs" } ;

  static char       c1 ;              // Last character buffer
  char              res = '\0' ;      // Result, default 0

  if ( ascii <= 0x7F )                // Standard ASCII-set 0..0x7F handling
  {
    c1 = 0 ;
    res = ascii ;                     // Return unmodified
  }
  else
  {
    switch ( c1 )                     // Conversion depending on first UTF8-character
    {
      case 0xC2: res = '~' ;
        break ;
      case 0xC3: res = lut_C3[ascii - 128] ;
        break ;
      case 0xC4: res = lut_C4[ascii - 128] ;
        break ;
      case 0xC5: res = lut_C5[ascii - 128] ;
        break ;
      case 0x82: if ( ascii == 0xAC )
        {
          res = 'E' ;                 // Special case Euro-symbol
        }
    }
    c1 = ascii ;                      // Remember actual character
  }
  return res ;                        // Otherwise: return zero, if character has to be ignored
}

[LiJu09]

@Edzelf can you add it to your code?

[Edzelf]

I will include it in the V2 version of the software.