light text library for 5110 nokia lcd * easy to modify * proportional font, bold / inverse modes * easy to add / change fonts * fixed rows for fast update
Library finished! :-) If you use 5110 and need fast menus - try this library. No overhead - small and robust, optimized for this display type only, fast update. Nice looking font. Power management. Displays from 5110 and 3110 are cheap as dirt :-)
Diff: medvdv5110.cpp
- Revision:
- 0:0a6619901f2e
- Child:
- 1:cce4622d70f6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/medvdv5110.cpp Sat Jul 14 17:52:11 2012 +0000 @@ -0,0 +1,303 @@ +// +// 5110 LCD Driver +// (c) 2012 medvdv.com +// Alexander Medvedev +// + +#include "mbed.h" +#include "medvdv5110.h" + +const char lcd_font8p_widths[] = { + 2, 1, 3, 5, 5, 5, 5, 1, 2, 2, 5, 5, 4, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 6, 5, 6, 5, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 1, 3, 4, 1, 5, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 4, 4, 4, 2, 4, 5, 4 }; + +const char* lcd_font8p[] = { +(const char[]){ 0x00, 0x00 }, +(const char[]){ 0x2F }, +(const char[]){ 0x03, 0x00, 0x03 }, +(const char[]){ 0x14, 0x3E, 0x14, 0x3E, 0x14 }, +(const char[]){ 0x24, 0x6A, 0x3E, 0x2B, 0x12 }, +(const char[]){ 0x22, 0x10, 0x08, 0x04, 0x22 }, +(const char[]){ 0x14, 0x2A, 0x2A, 0x14, 0x20 }, +(const char[]){ 0x03 }, +(const char[]){ 0x1E, 0x21 }, +(const char[]){ 0x21, 0x1E }, +(const char[]){ 0x14, 0x08, 0x3E, 0x08, 0x14 }, +(const char[]){ 0x08, 0x08, 0x3E, 0x08, 0x08 }, +(const char[]){ 0x00, 0x80, 0x70, 0x30 }, +(const char[]){ 0x08, 0x08, 0x08, 0x08, 0x08 }, +(const char[]){ 0x00, 0x00, 0x30, 0x30, 0x00 }, +(const char[]){ 0x20, 0x10, 0x08, 0x04, 0x02 }, +(const char[]){ 0x1E, 0x31, 0x2D, 0x23, 0x1E }, +(const char[]){ 0x00, 0x00, 0x02, 0x3F, 0x00 }, +(const char[]){ 0x22, 0x31, 0x29, 0x25, 0x22 }, +(const char[]){ 0x12, 0x21, 0x25, 0x25, 0x1A }, +(const char[]){ 0x18, 0x14, 0x12, 0x3F, 0x10 }, +(const char[]){ 0x17, 0x25, 0x25, 0x25, 0x19 }, +(const char[]){ 0x1E, 0x25, 0x25, 0x25, 0x18 }, +(const char[]){ 0x01, 0x01, 0x39, 0x05, 0x03 }, +(const char[]){ 0x1A, 0x25, 0x25, 0x25, 0x1A }, +(const char[]){ 0x06, 0x29, 0x29, 0x29, 0x1E }, +(const char[]){ 0x00, 0x00, 0x36, 0x36 }, +(const char[]){ 0x00, 0x80, 0x76, 0x36 }, +(const char[]){ 0x08, 0x08, 0x14, 0x14, 0x22, 0x22 }, +(const char[]){ 0x14, 0x14, 0x14, 0x14, 0x14 }, +(const char[]){ 0x22, 0x22, 0x14, 0x14, 0x08, 0x08 }, +(const char[]){ 0x02, 0x01, 0x29, 0x05, 0x02 }, +(const char[]){ 0x3E, 0x41, 0x5D, 0x55, 0x5E, 0x20 }, +(const char[]){ 0x3E, 0x09, 0x09, 0x09, 0x3E }, +(const char[]){ 0x3F, 0x25, 0x25, 0x25, 0x1A }, +(const char[]){ 0x1E, 0x21, 0x21, 0x21, 0x12 }, +(const char[]){ 0x3F, 0x21, 0x21, 0x22, 0x1C }, +(const char[]){ 0x3F, 0x25, 0x25, 0x25, 0x21 }, +(const char[]){ 0x3F, 0x05, 0x05, 0x05, 0x01 }, +(const char[]){ 0x1E, 0x21, 0x21, 0x29, 0x1A }, +(const char[]){ 0x3F, 0x04, 0x04, 0x04, 0x3F }, +(const char[]){ 0x21, 0x3F, 0x21 }, +(const char[]){ 0x18, 0x20, 0x21, 0x1F, 0x01 }, +(const char[]){ 0x3F, 0x04, 0x04, 0x0A, 0x31 }, +(const char[]){ 0x3F, 0x20, 0x20, 0x20, 0x20 }, +(const char[]){ 0x3F, 0x02, 0x04, 0x02, 0x3F }, +(const char[]){ 0x3F, 0x02, 0x04, 0x08, 0x3F }, +(const char[]){ 0x1E, 0x21, 0x21, 0x21, 0x1E }, +(const char[]){ 0x3F, 0x09, 0x09, 0x09, 0x06 }, +(const char[]){ 0x1E, 0x21, 0x29, 0x31, 0x3E }, +(const char[]){ 0x3F, 0x09, 0x09, 0x19, 0x26 }, +(const char[]){ 0x12, 0x25, 0x25, 0x25, 0x1A }, +(const char[]){ 0x01, 0x01, 0x3F, 0x01, 0x01 }, +(const char[]){ 0x1F, 0x20, 0x20, 0x20, 0x1F }, +(const char[]){ 0x03, 0x0C, 0x30, 0x0C, 0x03 }, +(const char[]){ 0x1F, 0x20, 0x18, 0x20, 0x1F }, +(const char[]){ 0x21, 0x12, 0x0C, 0x12, 0x21 }, +(const char[]){ 0x03, 0x04, 0x38, 0x04, 0x03 }, +(const char[]){ 0x31, 0x29, 0x25, 0x23, 0x21 }, +(const char[]){ 0x00, 0x3F, 0x21, 0x21 }, +(const char[]){ 0x02, 0x04, 0x08, 0x10, 0x20 }, +(const char[]){ 0x00, 0x00, 0x21, 0x21, 0x3F }, +(const char[]){ 0x04, 0x02, 0x01, 0x02, 0x04 }, +(const char[]){ 0x20, 0x20, 0x20, 0x20, 0x20 }, +(const char[]){ 0x00, 0x01, 0x03, 0x04 }, +(const char[]){ 0x10, 0x2A, 0x2A, 0x3C }, +(const char[]){ 0x3F, 0x24, 0x22, 0x1C }, +(const char[]){ 0x1C, 0x22, 0x22, 0x14 }, +(const char[]){ 0x1C, 0x22, 0x24, 0x3F }, +(const char[]){ 0x1C, 0x2A, 0x2A, 0x2C }, +(const char[]){ 0x3E, 0x09, 0x01, 0x02 }, +(const char[]){ 0x0C, 0x52, 0x4A, 0x3C }, +(const char[]){ 0x3F, 0x04, 0x02, 0x3C }, +(const char[]){ 0x3D }, +(const char[]){ 0x40, 0x40, 0x3D }, +(const char[]){ 0x3F, 0x08, 0x0C, 0x32 }, +(const char[]){ 0x3F }, +(const char[]){ 0x3C, 0x02, 0x3C, 0x02, 0x3C }, +(const char[]){ 0x3C, 0x02, 0x02, 0x3C }, +(const char[]){ 0x1C, 0x22, 0x22, 0x1C }, +(const char[]){ 0x7E, 0x22, 0x22, 0x1C }, +(const char[]){ 0x1C, 0x22, 0x22, 0x7E }, +(const char[]){ 0x02, 0x3C, 0x02, 0x02 }, +(const char[]){ 0x24, 0x2A, 0x2A, 0x12 }, +(const char[]){ 0x02, 0x1F, 0x22, 0x22 }, +(const char[]){ 0x1E, 0x20, 0x20, 0x3E }, +(const char[]){ 0x06, 0x18, 0x20, 0x3C, 0x02 }, +(const char[]){ 0x1E, 0x20, 0x1C, 0x20, 0x1E }, +(const char[]){ 0x22, 0x14, 0x08, 0x14, 0x22 }, +(const char[]){ 0x0E, 0x50, 0x50, 0x3E }, +(const char[]){ 0x22, 0x32, 0x2A, 0x26 }, +(const char[]){ 0x00, 0x08, 0x36, 0x41 }, +(const char[]){ 0x00, 0x7F }, +(const char[]){ 0x00, 0x41, 0x36, 0x08 }, +(const char[]){ 0x08, 0x04, 0x08, 0x10, 0x08 }, +(const char[]){ 0x2A, 0x55, 0x2A, 0x55 } }; + +// Internals + +void lcd5110::write(char data, bool cmd) +{ + sce -> write(0); + dc -> write(cmd ? 0:1); + spi -> write(data); + sce -> write(1); +} + +// Public + +lcd5110::lcd5110(PinName mosi, PinName sclk, PinName dc, PinName sce, PinName rst) +{ + spi = new SPI(mosi, NC, sclk); + + spi -> format(8, 1); + spi -> frequency(4000000); + + this -> rst = new DigitalOut(rst); + this -> sce = new DigitalOut(sce); + this -> dc = new DigitalOut(dc); + + font.first_code = 32; + font.glyphs_total = 128 - 32; + font.widths = lcd_font8p_widths; + font.glyphs = lcd_font8p; + + invert = false; + bold = false; +} + +void lcd5110::Invert(bool invert) +{ + this -> invert = invert; +} + +void lcd5110::Bold(bool bold) +{ + this -> bold = bold; +} + +void lcd5110::Reset() +{ + rst -> write(0); + wait_ms(100); + rst -> write(1); + write(0x21, true); + write(0x80 + contrast, true); + write(0x04, true); + write(0x14, true); + write(0x20, true); + write(0x0C, true); + XY(); +} + +void lcd5110::Contrast(char contrast) +{ + this -> contrast = contrast; + write(0x21, true); + write(0x80 + contrast, true); + write(0x20, true); +} + +void lcd5110::Init() +{ + contrast = DEFAULT_CONTRAST; + Reset(); +} + +void lcd5110::PowerOff() +{ + // TBD +} + +void lcd5110::Clear(char pattern) +{ + Write(pattern,504); + XY(); +} + +void lcd5110::XY(int x, int y) +{ + if (x<0) x=0; + if (x>83) x=83; + if (y<0) y=0; + if (y>5) y=5; + + X = x; + Y = y; + + write( 0x80 | (x & 0x3f), true); + write( 0x40 | (y & 0x3f), true); +} + +void lcd5110::Write(char byte) +{ + write(invert?(~byte):byte, false); + if (++X > 83) { + X=0; if (++Y > 5) Y=0; + } +} + +void lcd5110::Write(char* data, int size) +{ + for(int i=0; i<size; i++) Write(data[i]); +} + +void lcd5110::Write2(char* data, int size) +{ + for(int i=0; i<size; i++) { Write(data[i]); Write(data[i]); } +} + +void lcd5110::Write(char byte, int count) +{ + for(int i=0; i<count; i++) Write(byte); +} + +void lcd5110::Character(char chr) +{ + if( chr < font.first_code ) return; + if( chr > font.first_code + font.glyphs_total - 1 ) return; + + chr -= font.first_code; + + int width = font.widths[chr]; + + if (bold) width*=2; + + if ((X + width) > 83) { + if (++Y > 5) Y = 0; + XY(0,Y); + } + + if (bold) { + Write2( (char*) font.glyphs[chr], (int) font.widths[chr] ); + if (X != 0) { Write( 0 ); Write( 0 ); } + } else { + Write( (char*) font.glyphs[chr], (int) font.widths[chr] ); + if (X != 0) Write( 0 ); + } +} + +int lcd5110::CharacterWidth(char chr) +{ + if( chr < font.first_code ) return 0; + if( chr > font.first_code + font.glyphs_total - 1 ) return 0; + + chr -= font.first_code; + + if (bold) + return 2 * (font.widths[chr] + 1); + else + return font.widths[chr] + 1; +} + +void lcd5110::String(char* str) +{ + while(*str) Character(*str++); +} + +int lcd5110::StringWidth(char* str) +{ + int width = 0; + + while(*str) width += CharacterWidth(*str++); + + return width; +} + +void lcd5110::Row(int Y, char* str) +{ + XY(0, Y); + Write((char) 0, 84); + XY(0, Y); + String(str); +} + +lcd5110::~lcd5110() +{ + delete spi; + + delete rst; + delete sce; + delete dc; +} + + + +