File content as of revision 5:2e4e5085d597:

/* Hello World! for the TextLCD Enhanced Library*/

#include "mbed.h"
#include "TextLCD.h"

// Host PC Communication channels
Serial pc(PA_2,PA_3); // tx, rx

// I2C Communication
I2C i2c_lcd(PB_9, PB_8); // SDA, SCL
//I2C i2c_lcd(p28,p27); // SDA, SCL

// SPI Communication
//SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK

// LCD instantiation
//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x2);        // 4bit bus: rs, e, d4-d7
TextLCD_I2C lcd(&i2c_lcd, 0x4E, TextLCD::LCD20x4);                  // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type
//TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C exp: I2C bus, PCF8574 Slaveaddress, LCD Type, Ctrl Type
//TextLCD_I2C lcd(&spi_lcd, p8, TextLCD::LCD24x4D);                   // I2C exp: SPI bus, CS pin, LCD Type
//TextLCD_SPI_N lcd(&spi_lcd, p8, p9, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // SPI native: SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032
//TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C native: I2C bus, slaveaddress, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032 =Ok
//TextLCD_I2C_N lcd(&i2c_lcd, SSD1803_SA1, TextLCD::LCD20x4D, NC, TextLCD::SSD1803_3V3); // I2C native: I2C bus, slaveaddress, LCDType=LCD20x4D, BL=NC, LCDTCtrl=SSD1803 =Ok

int main()
{
    Timer t;

    pc.printf("TextLCD Enhanced Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());

    for (int row=0; row<lcd.rows(); row++) {
        int col=0;

        pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
//    lcd.putc('-');
        lcd.putc('0' + row);

        for (col=1; col<lcd.columns()-1; col++) {
            lcd.putc('*');
        }

        pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));
        lcd.putc('+');
    }
    wait(1);
// Fill screen again and time it
    t.start();

    for (int row=0; row<lcd.rows(); row++) {
        int col=0;

        lcd.putc('0' + row);

        for (col=1; col<lcd.columns()-1; col++) {
            lcd.putc('*');
        }

        lcd.putc('+');
    }
    t.stop();
    pc.printf("All my hard work took %f sec\r\n", t.read());
    wait(1);


// Show cursor as blinking character
    lcd.setCursor(TextLCD::CurOff_BlkOn);

// Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780.
// They are defined by a 5x7 bitpattern.
    lcd.setUDC(0, (char *) udc_0);  // Show |>
    lcd.putc(0);
    lcd.setUDC(1, (char *) udc_1);  // Show <|
    lcd.putc(1);

    pc.printf("Bye now\r\n");

    wait(1);

    // Clear the screen and locate to 0,0
    lcd.cls();

    // LCD Backlight control
    lcd.setBacklight(TextLCD::LightOn);

    // LCD Orientation control, supported for some Controllers
    //lcd.setOrient(TextLCD::Bottom);

    // LCD BigFont control, supported for some Controllers
    //lcd.LCDBigFont(TextLCD::TopBottomLine);

    // Locate cursor to a screen column and row
    int col = 0;
    int row = 0;
    lcd.locate(col,row);
    wait(1);

    // Write a character to the LCD "ARROW"
    int c = 1;
    for (int row=0; row<lcd.rows(); row++) {
        lcd.putc(c);wait(0.1);

        for (col=1; col<lcd.columns()-1; col++) {
            lcd.putc(c);wait(0.1);
        }
    }
    wait(2);

    // Write a raw string to the LCD
    const char* text = "Hola text";
    lcd.cls();
    lcd.locate(1,1);
    lcd.printf(text);
    wait(1);

    // Write a raw string to the LCD *-> pointer*
    const char* msg = "Hello printf";
    int string_size = strlen (msg);
    lcd.setCursor(TextLCD::CurOff_BlkOff);
    lcd.locate(1,2);
    lcd.printf("msg: %.*s", string_size, msg);
    wait(1);



    // Return the memoryaddress of screen column and row location
    lcd.getAddress(col,row);
    pc.printf("column %d\trow %d\r\n",col,row);
    wait(1);



    // Return the number of rows ans columns
    pc.printf("column %d\trow %d\r\n",lcd.rows(),lcd.columns());
    wait(1);



}