Diff: lcd128lib.h

Revision:

0:6ac8f630d9a0

Child:

1:17443d6d2740

diff -r 000000000000 -r 6ac8f630d9a0 lcd128lib.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcd128lib.h	Sat Feb 01 13:13:37 2014 +0000
@@ -0,0 +1,92 @@
+//
+// MBED Application Board
+// Lightweight C12832 LCD library
+// 2014, Alexander Medvedev, @medvdv
+//
+
+// 
+// BC12832 LCD
+// Base geometry: 128 x 32 px
+// X - [0..127] pixels
+// Y - [0..3]   8 bit rows  
+// 512 byte total buffer size
+//
+ 
+#define LCD_X 128
+#define LCD_Y 4
+#define LCD_SIZE 512
+  
+//
+// Proportional font  
+//
+
+typedef struct {
+    char first_code, glyphs_total;   
+    const char* widths;
+    const char** glyphs;    
+} lcd128font; 
+ 
+// 
+// lcd128 class
+//
+
+class lcd128 {
+    
+    // Interface with lcd
+    SPI spi;
+    DigitalOut rst, cs, a0;
+     
+    // Current font    
+    lcd128font font;
+    
+    bool invert;
+    bool bold;
+            
+    // buffer 
+    char buffer[LCD_SIZE];
+         
+    // Cursor position
+    
+    int X, Y;
+         
+    // Generic SPI writer       
+    void write(char byte, bool cmd = false);
+
+    public:
+    
+    // Supply LCD connected pin's here for your design   
+    lcd128(PinName mosi= p5, PinName sclk = p7, PinName a0 = p8, PinName cs = p11, PinName rst = p6);
+
+    // LCD control
+    void Reset();                           // Reset LCD, configure defaults
+    void Power(bool power = true);          // Power off / on
+    void InverseMode(bool inverse = true);  // Invert LCD off / on
+
+    // Buffer -> LCD
+    void Update();                          // Update LCD from buffer, shows all actually 
+    void Clear(int row = -1);               // Clear all buffer or one row
+    
+    // Write mode
+    void Invert(bool invert = true);        // Switch inverting of chars
+    void Bold(bool bold = true);            // Switch bold mode (repeat each char row twice)
+        
+    // Cursor    
+    void XY(int x = 0, int y = 0);          // Change write position X in pixels, Y in rows
+    
+    // Row write
+    void Write(char byte);                  // One 8bit row
+    void Write(char byte, int count);       // One 8bit row * 'count' times
+    void Write(char* data, int size);       // 'size' 8bit rows
+    void Write2(char* data, int size);      // Bold: 'size' 8bit rows * 2   
+    
+    // Character drawing  
+    void Character(char chr);               // Draw one font character (with invert and bold opt-s)
+                                            // ! automaticaly does next line if char is wider then space left 
+    int CharacterWidth(char chr);           // Calculate one character width (with bold opt-n)
+
+    // String drawing
+    void String(char* str);                 // Draw string proportionally
+    int StringWidth(char* str);             // Calculate string width in px 
+    
+    void Row(int Y, char* str = "");        // Clear one text row and draw string on it
+};