mirror of
https://github.com/geekammo/MicroView-Arduino-Library.git
synced 2026-03-03 00:34:06 +01:00
added multiple fonts support
This commit is contained in:
JP
126
MicroView.cpp
126
MicroView.cpp
@@ -1,47 +1,56 @@
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#include <avr/pgmspace.h>
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#include <MicroView.h>
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#include <font5x7.h>
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#include <SPI.h>
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// Change to add fonts
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#include <font5x7.h>
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#include <font8x16.h>
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#define TOTALFONTS 2
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const unsigned char *MICROVIEW::fontsPointer[]={font5x7,font8x16};
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// Change to add fonts
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/*
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Screen memory buffer 64 x 48 divided by 8 = 384 bytes
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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.
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*/
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static uint8_t screenmemory [] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0,
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0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80,
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0xC0, 0xC0, 0xE0, 0xE0, 0xF0, 0x78, 0xF8, 0xBC, 0xFC, 0xDE, 0xDE, 0xCF, 0xCF, 0xC7, 0xC3, 0xC3,
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0xC7, 0x87, 0x8F, 0x0F, 0x1E, 0x1E, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xE0, 0xE0, 0xC0, 0xC0, 0x80,
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0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF8, 0xFC, 0xFC, 0xFE, 0xFF, 0xEF, 0xE7, 0xC7,
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0xC3, 0x83, 0x01, 0x01, 0x00, 0x0F, 0x1F, 0x3F, 0x71, 0x6E, 0xEE, 0xEF, 0xF3, 0xF7, 0xF6, 0xF9,
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0xFD, 0xDD, 0xEB, 0x7F, 0x7E, 0xBC, 0xC0, 0xC0, 0xE0, 0xE0, 0xF0, 0xF1, 0x79, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0F, 0x0F, 0x1F, 0x1E, 0xFC, 0xFD, 0xF9, 0x7B,
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0xF3, 0xE7, 0xEF, 0xCF, 0xDE, 0x9E, 0xBC, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xF0, 0xF8, 0xF8, 0xFC,
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0xBC, 0xFE, 0xFE, 0xFF, 0xE7, 0xFF, 0xFF, 0xFF, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x00,
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0x00, 0x01, 0x01, 0x03, 0x03, 0x07, 0x07, 0x0F, 0x0F, 0x1E, 0x3F, 0x3F, 0x3F, 0x1F, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0x7F, 0x1F, 0x3F, 0x3F, 0x1F, 0x03, 0x07,
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0x07, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F,
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0x0F, 0x07, 0x03, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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// LCD Memory organised in 64 horizontal pixel and 6 rows of byte
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// B B .............B -----
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// y y .............y \
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// t t .............t \
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// e e .............e \
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// 0 1 .............63 \
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// \
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// D0 D0.............D0 \
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// D1 D1.............D1 / ROW 0
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// D2 D2.............D2 /
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// D3 D3.............D3 /
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// D4 D4.............D4 /
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// D5 D5.............D5 /
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// D6 D6.............D6 /
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// D7 D7.............D7 ----
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0, 0xE0, 0xE0, 0xF0, 0x78, 0xF8, 0xBC, 0xFC, 0xDE, 0xDE, 0xCF, 0xCF, 0xC7, 0xC3, 0xC3, 0xC7, 0x87, 0x8F, 0x0F, 0x1E, 0x1E, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xE0, 0xE0, 0xC0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF8, 0xFC, 0xFC, 0xFE, 0xFF, 0xEF, 0xE7, 0xC7, 0xC3, 0x83, 0x01, 0x01, 0x00, 0x0F, 0x1F, 0x3F, 0x71, 0x6E, 0xEE, 0xEF, 0xF3, 0xF7, 0xF6, 0xF9, 0xFD, 0xDD, 0xEB, 0x7F, 0x7E, 0xBC, 0xC0, 0xC0, 0xE0, 0xE0, 0xF0, 0xF1, 0x79, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0F, 0x0F, 0x1F, 0x1E, 0xFC, 0xFD, 0xF9, 0x7B, 0xF3, 0xE7, 0xEF, 0xCF, 0xDE, 0x9E, 0xBC, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xF0, 0xF8, 0xF8, 0xFC, 0xBC, 0xFE, 0xFE, 0xFF, 0xE7, 0xFF, 0xFF, 0xFF, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x00, 0x00, 0x01, 0x01, 0x03, 0x03, 0x07, 0x07, 0x0F, 0x0F, 0x1E, 0x3F, 0x3F, 0x3F, 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0x7F, 0x1F, 0x3F, 0x3F, 0x1F, 0x03, 0x07, 0x07, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x07, 0x03, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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#define TOTALFONTS 2
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const unsigned char *MICROVIEW::fontsPointer[]={font,font};
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void MICROVIEW::begin() {
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// default 5x7 font
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/*
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fontType=0;
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fontWidth=pgm_read_byte(fontsPointer[fontType]+1);
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fontHeight=pgm_read_byte(fontsPointer[fontType]+2);
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fontStartChar=pgm_read_byte(fontsPointer[fontType]+3);
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fontTotalChar=pgm_read_byte(fontsPointer[fontType]+4);
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*/
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setFontType(0);
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// Setting up SPI pins
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pinMode(MOSI, OUTPUT);
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@@ -342,11 +351,19 @@ void MICROVIEW::circleFill(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color, uin
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}
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uint8_t MICROVIEW::getFontWidth(void) {
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return pgm_read_byte(fontsPointer[fontType]+1);
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return fontWidth;
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}
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uint8_t MICROVIEW::getFontHeight(void) {
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return pgm_read_byte(fontsPointer[fontType]+2);
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return fontHeight;
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}
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uint8_t MICROVIEW::getFontStartChar(void) {
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return fontStartChar;
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}
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uint8_t MICROVIEW::getFontTotalChar(void) {
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return fontTotalChar;
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}
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uint8_t MICROVIEW::getTotalFonts(void) {
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@@ -362,15 +379,56 @@ uint8_t MICROVIEW::setFontType(uint8_t type) {
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return -1;
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fontType=type;
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fontWidth=pgm_read_byte(fontsPointer[fontType]+1);
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fontHeight=pgm_read_byte(fontsPointer[fontType]+2);
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fontStartChar=pgm_read_byte(fontsPointer[fontType]+3);
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fontTotalChar=pgm_read_byte(fontsPointer[fontType]+4);
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fontMapWidth=(pgm_read_byte(fontsPointer[fontType]+5)*100)+pgm_read_byte(fontsPointer[fontType]+6); // two bytes values into integer 16
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}
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void MICROVIEW::drawChar(uint8_t x, uint8_t line, uint8_t c, uint8_t mode) {
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uint8_t rowsToDraw,row;
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uint8_t i,tempX;
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uint16_t charPerBitmapRow,charColPositionOnBitmap,charRowPositionOnBitmap,charBitmapStartPosition;
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// TODO - char must be able to be drawn anywhere, not limited by line
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if ((line >= LCDHEIGHT/8) || (x >= (LCDWIDTH - 6)))
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// TODO - char must be able to XOR on background
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if ((line >= LCDHEIGHT/fontHeight) || (x > (LCDWIDTH - fontWidth)))
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return;
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for (uint8_t i =0; i<5; i++ ) {
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screenmemory[x + (line*LCDWIDTH) ] = pgm_read_byte(fontsPointer[fontType]+3+(c*5)+i);
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x++;
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// TODO - check if char is not in memory
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tempX=x;
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// each row (in datasheet is call page) is 8 bits high, 16 bit high character will have 2 rows to be drawn
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rowsToDraw=fontHeight/8; // 8 is LCD's page size, see SSD1306 datasheet
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if (rowsToDraw<=1) rowsToDraw=1;
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// only 1 row to draw for font with 8 bit height
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if (rowsToDraw==1) {
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for (i=0; i<fontWidth; i++ ) {
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screenmemory[tempX + (line*LCDWIDTH) ] = pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(c*fontWidth)+i);
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tempX++;
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}
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return;
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}
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// font height over 8 bit
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// take character "0" ASCII 48 as example
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charPerBitmapRow=fontMapWidth/fontWidth; // 256/8 =32 char per row
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charColPositionOnBitmap=c % charPerBitmapRow; // =16
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charRowPositionOnBitmap=int(c/charPerBitmapRow); // =1
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charBitmapStartPosition=(fontMapWidth * (fontHeight/8)) + (charColPositionOnBitmap * fontWidth);
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tempX=x;
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for (row=0; row<rowsToDraw; row++) {
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for (i=0; i<fontWidth; i++ ) {
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screenmemory[tempX + (( (line*(fontHeight/8)) +row)*LCDWIDTH) ] = pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(charBitmapStartPosition+i+(row*fontMapWidth)));
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tempX++;
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}
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tempX=x;
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}
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}
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