Alexander Medvedev / medvdv5110

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 :-)

medvdv5110.h@2:65df20ffef51, 2012-12-07 (annotated)

Committer:
medvdv
Date:
Fri Dec 07 21:41:54 2012 +0000
Revision:
2:65df20ffef51
Parent:
0:0a6619901f2e
Child:
3:03c7cb24222d
Now commented =)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
medvdv 0:0a6619901f2e 1 //
medvdv 0:0a6619901f2e 2 // 5110 LCD Driver
medvdv 0:0a6619901f2e 3 // (c) 2012 medvdv.com
medvdv 0:0a6619901f2e 4 // Alexander Medvedev
medvdv 0:0a6619901f2e 5 //
medvdv 0:0a6619901f2e 6
medvdv 2:65df20ffef51 7 // depends of voltage and other factors
medvdv 2:65df20ffef51 8 #define DEFAULT_CONTRAST 50
medvdv 2:65df20ffef51 9
medvdv 2:65df20ffef51 10 //
medvdv 2:65df20ffef51 11 // Proportional font with 8px height
medvdv 2:65df20ffef51 12 //
medvdv 2:65df20ffef51 13
medvdv 0:0a6619901f2e 14 typedef struct {
medvdv 0:0a6619901f2e 15
medvdv 0:0a6619901f2e 16 char first_code;
medvdv 0:0a6619901f2e 17 char glyphs_total;
medvdv 0:0a6619901f2e 18 const char* widths;
medvdv 0:0a6619901f2e 19 const char** glyphs;
medvdv 0:0a6619901f2e 20
medvdv 0:0a6619901f2e 21 } lcd5110font;
medvdv 0:0a6619901f2e 22
medvdv 2:65df20ffef51 23 // Contrast value depends of voltage and other factors
medvdv 2:65df20ffef51 24 #define DEFAULT_CONTRAST 50
medvdv 2:65df20ffef51 25
medvdv 2:65df20ffef51 26 //
medvdv 2:65df20ffef51 27 // Nokia 5110 LCD Interface Class
medvdv 2:65df20ffef51 28 //
medvdv 2:65df20ffef51 29
medvdv 0:0a6619901f2e 30 class lcd5110 {
medvdv 0:0a6619901f2e 31
medvdv 2:65df20ffef51 32 // SPI and other pin's
medvdv 0:0a6619901f2e 33 SPI* spi;
medvdv 0:0a6619901f2e 34 DigitalOut* rst;
medvdv 0:0a6619901f2e 35 DigitalOut* sce;
medvdv 0:0a6619901f2e 36 DigitalOut* dc;
medvdv 2:65df20ffef51 37
medvdv 2:65df20ffef51 38 // Current font
medvdv 0:0a6619901f2e 39 lcd5110font font;
medvdv 0:0a6619901f2e 40
medvdv 2:65df20ffef51 41 // Contrast value for next reset
medvdv 0:0a6619901f2e 42 char contrast;
medvdv 0:0a6619901f2e 43
medvdv 2:65df20ffef51 44 // Invert and bold flags
medvdv 0:0a6619901f2e 45 bool invert;
medvdv 0:0a6619901f2e 46 bool bold;
medvdv 0:0a6619901f2e 47
medvdv 2:65df20ffef51 48 // current write position
medvdv 0:0a6619901f2e 49 int X, Y;
medvdv 0:0a6619901f2e 50
medvdv 2:65df20ffef51 51 // Generic SPI writer
medvdv 0:0a6619901f2e 52 void write(char byte, bool cmd = false);
medvdv 0:0a6619901f2e 53
medvdv 0:0a6619901f2e 54 public:
medvdv 0:0a6619901f2e 55
medvdv 2:65df20ffef51 56 // Supply LCD connected pin's here for your design
medvdv 0:0a6619901f2e 57 lcd5110(PinName mosi= p11, PinName sclk = p13, PinName dc = p10, PinName sce = p8, PinName rst = p9);
medvdv 0:0a6619901f2e 58
medvdv 2:65df20ffef51 59 void Reset(); // Reset LCD, configure defaults and contrast
medvdv 2:65df20ffef51 60 void Clear(char pattern = 0); // Clear - fill all by 8bit line 'pattern'
medvdv 2:65df20ffef51 61 void PowerOff(); // LCD power off
medvdv 2:65df20ffef51 62
medvdv 2:65df20ffef51 63 void Contrast(char contrast = DEFAULT_CONTRAST ); // Change contrast
medvdv 0:0a6619901f2e 64
medvdv 2:65df20ffef51 65 void Invert(bool invert = true); // Switch inverting of chars
medvdv 2:65df20ffef51 66 void Bold(bool bold = true); // Switch bold mode (repeat each char row twice)
medvdv 0:0a6619901f2e 67
medvdv 2:65df20ffef51 68 void XY(int x = 0, int y = 0); // Change write position X in pixels [0..83], Y in rows [0..5]
medvdv 0:0a6619901f2e 69
medvdv 2:65df20ffef51 70 // Row write
medvdv 2:65df20ffef51 71 void Write(char byte); // One 8bit row
medvdv 2:65df20ffef51 72 void Write(char byte, int count); // One 8bit row * 'count' times
medvdv 2:65df20ffef51 73 void Write(char* data, int size); // 'size' 8bit rows
medvdv 2:65df20ffef51 74 void Write2(char* data, int size); // Bold: 'size' 8bit rows * 2
medvdv 0:0a6619901f2e 75
medvdv 2:65df20ffef51 76 // Character drawing
medvdv 2:65df20ffef51 77 void Character(char chr); // Draw one font character with invert and bold opt-s
medvdv 2:65df20ffef51 78 int CharacterWidth(char chr); // Calculate one character width with bold opt-n
medvdv 0:0a6619901f2e 79
medvdv 2:65df20ffef51 80 // String drawing
medvdv 2:65df20ffef51 81 void String(char* str); // Draw string proportionally
medvdv 2:65df20ffef51 82 int StringWidth(char* str); // Calculate string width in px
medvdv 0:0a6619901f2e 83
medvdv 2:65df20ffef51 84 void Row(int Y, char* str = ""); // Clear one text row and draw string on it
medvdv 0:0a6619901f2e 85
medvdv 2:65df20ffef51 86 ~lcd5110(); // destruct pin's
medvdv 0:0a6619901f2e 87
medvdv 0:0a6619901f2e 88 };
medvdv 0:0a6619901f2e 89