it's from a separate header file called cmap.h. this is where the data gets the values to output to the LED matrix. here's the code:
const unsigned char character_data[][6] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, //20-
{ 0x00, 0x00, 0x00, 0xF2, 0x00, 0x00 }, //21-!
{ 0x00, 0x00, 0xE0, 0x00, 0xE0, 0x00 }, //22-"
{ 0x28, 0xFE, 0x28, 0xFE, 0x28, 0x00 }, //23-#
{ 0x24, 0x54, 0x7E, 0x54, 0x48, 0x00 }, //24-$
{ 0xC4, 0xC4, 0x10, 0x26, 0x46, 0x00 }, //25-%
{ 0x6C, 0x92, 0xAA, 0x44, 0x1A, 0x00 }, //26-&
{ 0x00, 0x00, 0xA0, 0xC0, 0x00, 0x00 }, //27-'
{ 0x00, 0x00, 0x38, 0x44, 0x82, 0x00 }, //28-(
{ 0x00, 0x82, 0x44, 0x38, 0x00, 0x00 }, //29-)
{ 0x28, 0x10, 0x6C, 0x10, 0x28, 0x00 }, //2A-*
{ 0x10, 0x10, 0x6C, 0x10, 0x10, 0x00 }, //2B-+
{ 0x00, 0x00, 0x0A, 0x0C, 0x00, 0x00 }, //2C-,
{ 0x10, 0x10, 0x10, 0x10, 0x10, 0x00 }, //2D--
{ 0x00, 0x00, 0x06, 0x06, 0x00, 0x00 }, //2E-.
{ 0x04, 0x08, 0x10, 0x20, 0x40, 0x00 }, //2F-/
{ 0x7C, 0x82, 0x82, 0x82, 0x7C, 0x00 }, //30
{ 0x00, 0x42, 0xFE, 0x02, 0x00, 0x00 }, //31
{ 0x42, 0x86, 0x8A, 0x92, 0x62, 0x00 }, //32
{ 0x84, 0x82, 0xA2, 0xD2, 0x8C, 0x00 }, //33
{ 0x18, 0x28, 0x48, 0xFE, 0x08, 0x00 }, //34
{ 0xE4, 0xA2, 0xA2, 0xA2, 0x9C, 0x00 }, //35
{ 0x3C, 0x52, 0x92, 0x92, 0x0C, 0x00 }, //36
{ 0x80, 0x8E, 0x90, 0xA0, 0xC0, 0x00 }, //37
{ 0x6C, 0x92, 0x92, 0x92, 0x6C, 0x00 }, //38
{ 0x60, 0x92, 0x92, 0x94, 0x78, 0x00 }, //39
{ 0x00, 0x00, 0x6C, 0x6C, 0x00, 0x00 }, //3A-:
{ 0x00, 0x00, 0x6A, 0x6C, 0x00, 0x00 }, //3B-//
{ 0x00, 0x10, 0x28, 0x44, 0x82, 0x00 }, //3C-<
{ 0x28, 0x28, 0x28, 0x28, 0x28, 0x00 }, //3D-=
{ 0x00, 0x82, 0x44, 0x28, 0x10, 0x00 }, //3E->
{ 0x40, 0x80, 0x8A, 0x90, 0x60, 0x00 }, //3F-?
{ 0x7C, 0x82, 0xBA, 0xAA, 0xBA, 0x70 }, //40-@
{ 0x7E, 0x88, 0x88, 0x88, 0x7E, 0x00 }, //41-A
{ 0xFE, 0x92, 0x92, 0x92, 0x6C, 0x00 }, //42-B
{ 0x7C, 0x82, 0x82, 0x82, 0x44, 0x00 }, //43-C
{ 0xFE, 0x82, 0x82, 0x44, 0x38, 0x00 }, //44-D
{ 0xFE, 0x92, 0x92, 0x92, 0x82, 0x00 }, //45-E
{ 0xFE, 0x90, 0x90, 0x90, 0x80, 0x00 }, //46-F
{ 0x7C, 0x82, 0x92, 0x92, 0x5E, 0x00 }, //47-G
{ 0xFE, 0x10, 0x10, 0x10, 0xFE, 0x00 }, //48-H
{ 0x00, 0x82, 0xFE, 0x82, 0x00, 0x00 }, //49-I
{ 0x04, 0x02, 0x82, 0xFC, 0x80, 0x00 }, //4A-J
{ 0xFE, 0x10, 0x28, 0x44, 0x82, 0x00 }, //4B-K
{ 0xFE, 0x02, 0x02, 0x02, 0x02, 0x00 }, //4C-L
{ 0xFE, 0x40, 0x30, 0x40, 0xFE, 0x00 }, //4D-M
{ 0xFE, 0x20, 0x10, 0x08, 0xFE, 0x00 }, //4E-N
{ 0x7C, 0x82, 0x82, 0x82, 0x7C, 0x00 }, //4F-O
{ 0xFE, 0x90, 0x90, 0x90, 0x60, 0x00 }, //50-P
{ 0x7C, 0x82, 0x8A, 0x84, 0x7A, 0x00 }, //51-Q
{ 0xFE, 0x90, 0x98, 0x94, 0x62, 0x00 }, //52-R
{ 0x62, 0x92, 0x92, 0x92, 0x8C, 0x00 }, //53-S
{ 0x80, 0x80, 0xFE, 0x80, 0x80, 0x00 }, //54-T
{ 0xFC, 0x02, 0x02, 0x02, 0xFC, 0x00 }, //55-U
{ 0xF8, 0x04, 0x02, 0x04, 0xF8, 0x00 }, //56-V
{ 0xFC, 0x02, 0x1C, 0x02, 0xFC, 0x00 }, //57-W
{ 0xC6, 0x28, 0x10, 0x28, 0xC6, 0x00 }, //58-X
{ 0xE0, 0x10, 0x0E, 0x10, 0xE0, 0x00 }, //59-Y
{ 0x86, 0x8A, 0x92, 0xA2, 0xC2, 0x00 }, //5A-Z
{ 0x00, 0x00, 0xFE, 0x82, 0x82, 0x00 }, //5B-[
{ 0x40, 0x20, 0x10, 0x08, 0x04, 0x00 }, //5C-\
{ 0x00, 0x82, 0x82, 0xFE, 0x00, 0x00 }, //5D-]
{ 0x20, 0x40, 0xFE, 0x40, 0x20, 0x00 }, //5E-^
{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x00 }, //5F-_
{ 0x80, 0x40, 0x20, 0x00, 0x00, 0x00 }, //60-`
{ 0x04, 0x2A, 0x2A, 0x2A, 0x1E, 0x00 }, //61-a
{ 0xFE, 0x12, 0x22, 0x22, 0x1C, 0x00 }, //62-b
{ 0x1C, 0x22, 0x22, 0x22, 0x04, 0x00 }, //63-c
{ 0x1C, 0x22, 0x22, 0x12, 0xFE, 0x00 }, //64-d
{ 0x1C, 0x2A, 0x2A, 0x2A, 0x18, 0x00 }, //65-e
{ 0x08, 0x3F, 0x48, 0x40, 0x20, 0x00 }, //66-f
{ 0x18, 0x25, 0x25, 0x25, 0x3E, 0x00 }, //67-g
{ 0xFE, 0x10, 0x20, 0x20, 0x1E, 0x00 }, //68-h
{ 0x00, 0x22, 0xBE, 0x02, 0x00, 0x00 }, //69-i
{ 0x02, 0x01, 0x21, 0xBE, 0x00, 0x00 }, //6A-j
{ 0x00, 0xFE, 0x08, 0x14, 0x22, 0x00 }, //6B-k
{ 0x00, 0x82, 0xFE, 0x02, 0x00, 0x00 }, //6C-l
{ 0x3E, 0x20, 0x18, 0x20, 0x1E, 0x00 }, //6D-m
{ 0x3E, 0x10, 0x20, 0x20, 0x1E, 0x00 }, //6E-n
{ 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00 }, //6F-o
{ 0x3F, 0x24, 0x24, 0x24, 0x18, 0x00 }, //70-p
{ 0x18, 0x24, 0x24, 0x14, 0x3F, 0x00 }, //71-q
{ 0x3E, 0x10, 0x20, 0x20, 0x10, 0x00 }, //72-r
{ 0x12, 0x2A, 0x2A, 0x2A, 0x04, 0x00 }, //73-s
{ 0x20, 0xFC, 0x22, 0x02, 0x04, 0x00 }, //74-t
{ 0x3C, 0x02, 0x02, 0x04, 0x3E, 0x00 }, //75-u
{ 0x38, 0x04, 0x02, 0x04, 0x38, 0x00 }, //76-v
{ 0x3C, 0x02, 0x0C, 0x02, 0x3C, 0x00 }, //77-w
{ 0x22, 0x14, 0x08, 0x14, 0x22, 0x00 }, //78-x
{ 0x38, 0x05, 0x05, 0x05, 0x3E, 0x00 }, //79-y
{ 0x22, 0x26, 0x2A, 0x32, 0x22, 0x00 }, //7A-z
{ 0x00, 0x10, 0x6C, 0x82, 0x00, 0x00 }, //7B-{
{ 0x00 }, //7C-|-BLANK BAR
{ 0x00, 0x82, 0x6C, 0x10, 0x00, 0x00 }, //7D-}
{ 0x18, 0x24, 0x7E, 0x24, 0x08, 0x00 },
{ 0 } //7F-DO NOT USE
};
i'm not sure if character_data must take char parameters or int. i've tried both. but somehow both don't work. I'm really close to solving this. i can feel it. hahaha.
thanks for the help! appreciate it very much.