Diff: LCD/DogLCD.h

Revision:

0:2a5dccfd318f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD/DogLCD.h	Thu Jan 14 00:49:39 2010 +0000
@@ -0,0 +1,71 @@
+#ifndef MBED_DOGLCD_H
+#define MBED_DOGLCD_H
+
+#include "AbstractLCD.h"
+
+/***********
+ * Module for Electronic Assembly's DOGL128-6 display module
+ * Should be compatible with other modules using ST7565 controller
+ ***********/
+ 
+#define LCDWIDTH 128
+#define LCDHEIGHT 64
+#define LCDPAGES  (LCDHEIGHT+7)/8
+
+/*
+
+ Each page is 8 lines, one byte per column
+ 
+         Col0
+        +---+--
+        | 0 |
+Page 0  | 1 |
+        | 2 |
+        | 3 |
+        | 4 |
+        | 5 |
+        | 6 |
+        | 7 |
+        +---+--
+*/
+
+/*
+  LCD interface class.
+  Usage: 
+    DogLCD dog(spi, pin_power, pin_cs, pin_a0, pin_reset);
+    where spi is an instance of SPI class
+*/
+
+class DogLCD: public AbstractLCD
+{
+    SPI& _spi;
+    DigitalOut _cs, _a0, _reset, _power;
+    int _updating;
+    void _send_commands(const unsigned char* buf, size_t size);
+    void _send_data(const unsigned char* buf, size_t size);
+    void _set_xy(int x, int y);
+    unsigned char _framebuffer[LCDWIDTH*LCDPAGES];
+public:
+    DogLCD(SPI& spi, PinName power, PinName cs, PinName a0, PinName reset):
+    _spi(spi), _cs(cs), _a0(a0), _reset(reset), _power(power), _updating(0)
+    {
+    }
+    // initialize and turn on the display
+    void init();
+    // send a 128x64 picture for the whole screen
+    void send_pic(const unsigned char* data);
+    // clear screen
+    void clear_screen();
+    // turn all pixels on
+    void all_on(bool on = true);
+    
+    // AbstractLCD methods
+    virtual int width()  {return LCDWIDTH;};
+    virtual int height() {return LCDHEIGHT;};
+    virtual void pixel(int x, int y, int colour);
+    virtual void fill(int x, int y, int width, int height, int colour);
+    virtual void beginupdate();
+    virtual void endupdate();
+};
+
+#endif
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