Diff: medvdv5110.cpp

Revision:

0:0a6619901f2e

Child:

1:cce4622d70f6

diff -r 000000000000 -r 0a6619901f2e medvdv5110.cpp
--- /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;    
+}
+
+
+
+