main.cpp

00001 /*
00002  * http://mbed.org/cookbook/Text-LCD-Enhanced
00003  */
00004  
00005 #include "mbed.h"
00006 #include "TextLCD.h"
00007 
00008 TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD16x4); //
00009 
00010 int main() {
00011 
00012     pc.printf("LCD Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());
00013     
00014     for (int row=0; row<lcd.rows(); row++) {
00015       int col=0;
00016       
00017       pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));      
00018 //      lcd.putc('-');
00019       lcd.putc('0' + row);      
00020       
00021       for (col=1; col<lcd.columns()-1; col++) {    
00022         lcd.putc('*');
00023       }
00024  
00025       pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));      
00026       lcd.putc('+');
00027         
00028     }    
00029     
00030 // Show cursor as blinking character
00031     lcd.setCursor(TextLCD::CurOff_BlkOn);
00032  
00033 // Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780.
00034 // They are defined by a 5x7 bitpattern. 
00035     lcd.setUDC(0, (char *) udc_0);  // Show |>
00036     lcd.putc(0);    
00037     lcd.setUDC(1, (char *) udc_1);  // Show <|
00038     lcd.putc(1);    
00039     lcd.setUDC(2, (char *) udc_2);
00040     lcd.putc(2);    
00041     lcd.setUDC(3, (char *) udc_3);
00042     lcd.putc(3);    
00043     lcd.setUDC(4, (char *) udc_4);
00044     lcd.putc(4);    
00045     lcd.setUDC(5, (char *) udc_5);
00046     lcd.putc(5);    
00047     lcd.setUDC(6, (char *) udc_6);
00048     lcd.putc(6);    
00049     lcd.setUDC(7, (char *) udc_7);
00050     lcd.putc(7);     
00051 
00052 }