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added multiple fonts support

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JP
2014-01-15 15:55:39 +11:00
parent 1ab7195db9
commit e5989baf36
3 changed files with 81 additions and 43 deletions
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45
MicroView.cpp
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@@ -5,7 +5,7 @@
/*
Screen memory buffer 64 x 48 divided by 8 = 384 bytes
Screen memory buffer is required because in SPI mode, the host cannot read the GDRAM of the controller. This buffer serves as a scratch RAM for graphical functions.
Screen memory buffer is required because in SPI mode, the host cannot read the SSD1306's GDRAM of the controller. This buffer serves as a scratch RAM for graphical functions.
*/
static uint8_t screenmemory [] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -34,7 +34,15 @@ static uint8_t screenmemory [] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
#define TOTALFONTS 2
const unsigned char *MICROVIEW::fontsPointer[]={font,font};
void MICROVIEW::begin() {
// default 5x7 font
fontType=0;
// Setting up SPI pins
pinMode(MOSI, OUTPUT);
pinMode(SCK, OUTPUT);
@@ -333,14 +341,37 @@ void MICROVIEW::circleFill(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color, uin
}
}
uint8_t MICROVIEW::getFontWidth(void) {
return pgm_read_byte(fontsPointer[fontType]+1);
}
uint8_t MICROVIEW::getFontHeight(void) {
return pgm_read_byte(fontsPointer[fontType]+2);
}
uint8_t MICROVIEW::getTotalFonts(void) {
return TOTALFONTS;
}
uint8_t MICROVIEW::getFontType(void) {
return fontType;
}
uint8_t MICROVIEW::setFontType(uint8_t type) {
if ((type>=TOTALFONTS) || (type<0))
return -1;
fontType=type;
}
void MICROVIEW::drawChar(uint8_t x, uint8_t line, uint8_t c, uint8_t mode) {
// TODO - char must be able to be drawn anywhere, not limited by line
if ((line >= LCDHEIGHT/8) || (x >= (LCDWIDTH - 6)))
return;
for (uint8_t i =0; i<5; i++ ) {
screenmemory[x + (line*64) ] = pgm_read_byte(font+(c*5)+i);
x++;
}
if ((line >= LCDHEIGHT/8) || (x >= (LCDWIDTH - 6)))
return;
for (uint8_t i =0; i<5; i++ ) {
screenmemory[x + (line*LCDWIDTH) ] = pgm_read_byte(fontsPointer[fontType]+3+(c*5)+i);
x++;
}
}
void MICROVIEW::stopScroll(void){