lcd: add internal columns, rows

LiquidCrystal/inc/LiquidCrystal.h

@@ -1,11 +1,11 @@
 #ifndef LiquidCrystal_h
 #define LiquidCrystal_h
 
-
+#include "DigitalIoPin.h"
+#include "chip.h"
 #include <cstddef>
 #include <string>
-#include "chip.h"
-#include "DigitalIoPin.h"
+
 
 // commands
 #define LCD_CLEARDISPLAY 0x01
@@ -45,43 +45,43 @@
 #define LCD_5x10DOTS 0x04
 #define LCD_5x8DOTS 0x00
 
-class LiquidCrystal {
+class LiquidCrystal
+{
 public:
+  LiquidCrystal (DigitalIoPin *rs, DigitalIoPin *enable, DigitalIoPin *d0,
+                 DigitalIoPin *d1, DigitalIoPin *d2, DigitalIoPin *d3);
 
-  LiquidCrystal(DigitalIoPin *rs,  DigitalIoPin *enable,
-			    DigitalIoPin *d0, DigitalIoPin *d1, DigitalIoPin *d2, DigitalIoPin *d3);
+  void begin (uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
 
-  void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
+  void clear ();
+  void home ();
 
-  void clear();
-  void home();
+  void noDisplay ();
+  void display ();
+  void noBlink ();
+  void blink ();
+  void noCursor ();
+  void cursor ();
+  void scrollDisplayLeft ();
+  void scrollDisplayRight ();
+  void leftToRight ();
+  void rightToLeft ();
+  void autoscroll ();
+  void noAutoscroll ();
 
-  void noDisplay();
-  void display();
-  void noBlink();
-  void blink();
-  void noCursor();
-  void cursor();
-  void scrollDisplayLeft();
-  void scrollDisplayRight();
-  void leftToRight();
-  void rightToLeft();
-  void autoscroll();
-  void noAutoscroll();
-
-  void createChar(uint8_t, uint8_t[]);
-  void setCursor(uint8_t, uint8_t);
-  virtual size_t write(uint8_t);
-  void command(uint8_t);
-  void print(std::string const &s);
-  void print(const char *s);
+  void createChar (uint8_t, uint8_t[]);
+  void setCursor (uint8_t, uint8_t);
+  virtual size_t write (uint8_t);
+  void command (uint8_t);
+  void print (std::string const &s);
+  void print (const char *s);
 
 private:
-  void send(uint8_t, uint8_t);
-  void write4bits(uint8_t);
-  void pulseEnable();
+  void send (uint8_t, uint8_t);
+  void write4bits (uint8_t);
+  void pulseEnable ();
 
-  DigitalIoPin *rs_pin; // LOW(false): command.  HIGH(true): character.
+  DigitalIoPin *rs_pin;     // LOW(false): command.  HIGH(true): character.
   DigitalIoPin *enable_pin; // activated by a HIGH pulse.
   DigitalIoPin *data_pins[4];
 
@@ -91,7 +91,8 @@ private:
 
   uint8_t _initialized;
 
-  uint8_t _numlines,_currline;
+  uint8_t _numlines, _currline;
+  uint8_t rows, col;
 };
 
 #endif