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MegatroniC



Joined: 08 Dec 2009
Posts: 35

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degrees symbol
PostPosted: Tue Feb 14, 2012 8:56 am     Reply with quote
Hello,

Please help me,
how to create insert into the array (GRAPHICS.C, FONT array) degrees symbol?

Code:
const unsigned int8 FONT[51][5] ={0x00, 0x00, 0x00, 0x00, 0x00, // SPACE                       
                         0x00, 0x00, 0x5F, 0x00, 0x00, // !
                         0x00, 0x03, 0x00, 0x03, 0x00, // "
                         0x14, 0x3E, 0x14, 0x3E, 0x14, // #
                         0x24, 0x2A, 0x7F, 0x2A, 0x12, // $
                         0x43, 0x33, 0x08, 0x66, 0x61, // %
                         0x36, 0x49, 0x55, 0x22, 0x50, // &
                         0x00, 0x05, 0x03, 0x00, 0x00, // '
                         0x00, 0x1C, 0x22, 0x41, 0x00, // (
                         0x00, 0x41, 0x22, 0x1C, 0x00, // )
                         0x14, 0x08, 0x3E, 0x08, 0x14, // *
                         0x08, 0x08, 0x3E, 0x08, 0x08, // +
                         0x00, 0x50, 0x30, 0x00, 0x00, // ,
                         0x08, 0x08, 0x08, 0x08, 0x08, // -
                         0x00, 0x60, 0x60, 0x00, 0x00, // .
                         0x20, 0x10, 0x08, 0x04, 0x02, // /
                         0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
                         0x00, 0x04, 0x02, 0x7F, 0x00, // 1
                         0x42, 0x61, 0x51, 0x49, 0x46, // 2
                         0x22, 0x41, 0x49, 0x49, 0x36, // 3
                         0x18, 0x14, 0x12, 0x7F, 0x10, // 4
                         0x27, 0x45, 0x45, 0x45, 0x39, // 5
                         0x3E, 0x49, 0x49, 0x49, 0x32, // 6
                         0x01, 0x01, 0x71, 0x09, 0x07, // 7
                         0x36, 0x49, 0x49, 0x49, 0x36, // 8
                         0x26, 0x49, 0x49, 0x49, 0x3E, // 9
                         0x00, 0x36, 0x36, 0x00, 0x00, // :
                         0x00, 0x56, 0x36, 0x00, 0x00, // ;
                         0x08, 0x14, 0x22, 0x41, 0x00, // <
                         0x14, 0x14, 0x14, 0x14, 0x14, // =
                         0x00, 0x41, 0x22, 0x14, 0x08, // >
                         0x02, 0x01, 0x51, 0x09, 0x06, // ?
                         0x3E, 0x41, 0x59, 0x55, 0x5E, // @                   
                         0x7E, 0x09, 0x09, 0x09, 0x7E, // A
                         0x7F, 0x49, 0x49, 0x49, 0x36, // B
                         0x3E, 0x41, 0x41, 0x41, 0x22, // C
                         0x7F, 0x41, 0x41, 0x41, 0x3E, // D
                         0x7F, 0x49, 0x49, 0x49, 0x41, // E
                         0x7F, 0x09, 0x09, 0x09, 0x01, // F
                         0x3E, 0x41, 0x41, 0x49, 0x3A, // G
                         0x7F, 0x08, 0x08, 0x08, 0x7F, // H
                         0x00, 0x41, 0x7F, 0x41, 0x00, // I
                         0x30, 0x40, 0x40, 0x40, 0x3F, // J
                         0x7F, 0x08, 0x14, 0x22, 0x41, // K
                         0x7F, 0x40, 0x40, 0x40, 0x40, // L
                         0x7F, 0x02, 0x0C, 0x02, 0x7F, // M
                         0x7F, 0x02, 0x04, 0x08, 0x7F, // N
                         0x3E, 0x41, 0x41, 0x41, 0x3E, // O
                         0x7F, 0x09, 0x09, 0x09, 0x06, // P
                         0x1E, 0x21, 0x21, 0x21, 0x5E, // Q
                         0x7F, 0x09, 0x09, 0x09, 0x76};// R


thanks Smile
temtronic



Joined: 01 Jul 2010
Posts: 9221
Location: Greensville,Ontario

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PostPosted: Tue Feb 14, 2012 10:02 am     Reply with quote
I would 'think' that you could increase the size of the array from

FONT[51][5]

to

FONT[52][5]

then insert the correct data to create the degree symbol.

The LCD datasheet should have that information or use one of the online 'LCD font editors' that are available, or use a sheet of graphpaper to figure out the bit pattern you need based upon the ones you already have in the table.
MegatroniC



Joined: 08 Dec 2009
Posts: 35

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PostPosted: Tue Feb 14, 2012 1:21 pm     Reply with quote
Yes, i tried to increase the rows in the array to 52, before ask here. Smile
I tried with another symbol added to the array.
But it shifted the remaining symbols and letters.
Then as i write a word ..., the display shows something else. (maybe i should add it to the end of the array?)
temtronic



Joined: 01 Jul 2010
Posts: 9221
Location: Greensville,Ontario

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PostPosted: Tue Feb 14, 2012 1:42 pm     Reply with quote
You can put it anywhere in the array but your 'character to font decoder' function(the code that decides what array values represent a character) has to be told where it is.
Without seeing the whole program...it's probably easiest to put at the END of the array [52]...
MegatroniC



Joined: 08 Dec 2009
Posts: 35

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PostPosted: Wed Feb 15, 2012 1:58 am     Reply with quote
Because the degree symbol belongs to the extended ASCII characters, can be added to the existing two arrays when replace an existing symbol.

For example, in place of @. When I write @, is displayed degree. Smile
But this momentary decision, if not used @.

I added a new array FONT3:
Code:
const unsigned int8 FONT3[1][5]={0x07, 0x05, 0x07, 0x00, 0x00}; //Celcius° 


Also two lines in the function of fonts "glcd_text57":

Code:
 for(; *textptr != '\0'; ++textptr, ++x)// Loop through the passed string
   {
     
      if(*textptr < 'S') // Checks if the letter is in the first font array
         memcpy(pixelData, FONT[*textptr - ' '], 5);
      else if(*textptr <= '~') // Check if the letter is in the second font array
         memcpy(pixelData, FONT2[*textptr - 'S'], 5);
[b]      else if(*textptr <= '°') // Check if the letter is in the third font array                     
         memcpy(pixelData, FONT3[*textptr - '°'], 5); [/b] 
      else
         memcpy(pixelData, FONT[0], 5);   // Default to space



Thanks @temtronic. Smile
Have a nice day!
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