Diff: SB1602E.h

Revision:

2:baf578069dfc

Parent:

1:fce3e353410c

--- a/SB1602E.h	Mon Jan 05 05:19:43 2015 +0000
+++ b/SB1602E.h	Tue Apr 07 05:03:44 2015 +0000
@@ -1,8 +1,8 @@
 /** Text LCD module "SB1602E" class library
  *
- *  @author  Tedd OKANO & Masato YAMANISHI
- *  @version 2.01
- *  @date    05-Jan-2015
+ *  @author  Tedd OKANO, Masato YAMANISHI & Toyomasa Watarai
+ *  @version 2.1
+ *  @date    07-April-2015
  *
  *  SB1602E is an I2C based low voltage text LCD panel (based Sitronix ST7032 chip)
  *  The module by StrawberryLinux
@@ -21,6 +21,8 @@
  *    revision 1.3  02-May-2014   a. puticon() added (for SB1602B) by Masato YAMANISHI san
  *    revision 2.0  20-Oct-2014   a. class name is changed and published as "SB1602E"
  *                                b. re-written for better usability
+ *    revision 2.1  07-Apl-2015   a. add printf() with X and Y position
+ *                                b. add setter for number of chars in a line (e.g. 8x2 LCD support)
  */
 
 #ifndef        MBED_SB1602E
@@ -31,12 +33,10 @@
 #include    "SB1602E.h"
 
 
-/** PCA9629A class
+/** SB1602E class
  *
- *  This is a driver code for the PCA9629A stepper motor controller.
- *  This class provides interface for PCA9629A operation and accessing its registers.
- *  Detail information is available on next URL.
- *    http://www.nxp.com/products/interface_and_connectivity/i2c/i2c_bus_controller_and_bridge_ics/PCA9629APW.html
+ *  This is a driver code for the SB1602E LCD module.
+ *  This class provides interface for ST7032 operation and accessing its registers.
  *
  *  Example:
  *  @code
@@ -76,7 +76,7 @@
 
     /** Printf
      *
-     *  pirntf function with line number. 
+     *  printf function with line number. 
      *  it can be used like
      *
      *  lcd.printf( 0, "Hello world!" );
@@ -87,6 +87,20 @@
      */
     void printf( char line, char *format, ... );
 
+    /** Printf
+     *
+     *  printf function with X and Y character position on the LCD.
+     *  it can be used like
+     *
+     *  lcd.printf( 0, 0, "Hello world!" );
+     *  lcd.printf( 4, 1, "pi = %.6f", 3.14159265 );
+     *
+     * @param x X horizontal character position on the LCD
+     * @param y Y vertical character position on the LCD
+     * @param format following parameters are compatible to stdout's printf
+     */
+    void printf( char x, char y, char *format, ... );
+    
     /** Put character : "putc()"
      *
      * @param line line# (0 for upper, 1 for lower)
@@ -148,6 +162,12 @@
      */
     void puticon( unsigned short flg );
     
+    /** Set number of charactors in a line
+     *
+     * @param ch number of charactors in a line
+     */
+    void setCharsInLine( char ch ) { charsInLine = ch; };
+    
 private:
     char    curs[2];
     void    init( char *init_massage );
@@ -158,6 +178,7 @@
     I2C     *i2c_p;
     I2C     &i2c;
     char    i2c_addr;
+    char    charsInLine;
 
 private:
     typedef enum {