File content as of revision 0:a75049de1a82:

// Hello World! for the TextLCD

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

// Host PC Communication channels
Serial pc(USBTX, USBRX); // tx, rx

void show_menu() {
    pc.printf("0: Exit\n\r");
    pc.printf("1: Show Menu\n\r");    
    pc.printf("2: Goto 0,0\n\r"); 
    pc.printf("3: Goto columns(),rows()\n\r");    
    pc.printf("4: cls()\n\r");        
    pc.printf("5: UDCs \n\r");            
    pc.printf("6: Fill\n\r");                
    pc.printf("7: Cursor On\n\r");                    
    pc.printf("8: Cursor Off\n\r");                        
    pc.printf("9: Text\n\r");                            
    pc.printf("A: Display On\n\r");                    
    pc.printf("B: Display Off\n\r");                        
    pc.printf("C: Backlight On\n\r");                    
    pc.printf("D: Backlight Off\n\r");                           
    pc.printf("P: \n\r");                        
    pc.printf("\n\r");                
}


// I2C Communication
I2C i2c_lcd(p28,p27); // SDA, SCL
//I2C i2c_lcd(p9,p10); // SDA, SCL

// SPI Communication
SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK
//DigitalOut cs(p8);
//DigitalOut cs2(p9);

//TextLCD lcd2(p15, p16, p17, p18, p19, p20, TextLCD::LCD16x4); // rs, e, d4-d7  =ok
//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x2); // rs, e, d4-d7 =ok
//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x4); // rs, e, d4-d7 =ok
//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD24x4); // rs, e, d4-d7 =ok
//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD24x2); // rs, e, d4-d7 =ok
//TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD40x2); // rs, e, d4-d7 =ok

//TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type =ok
//TextLCD_I2C lcd(&i2c_lcd, 0x40, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type =ok

//Test Adafruit module
//TextLCD_I2C lcd(&i2c_lcd, MCP23008_SA0, TextLCD::LCD20x4); // I2C bus, MCP23008 Slaveaddress, LCD Type =OK

//TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, LCD Ctrl

//TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD24x4); // SPI bus, CS pin, LCD Type =ok
//TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x2); // SPI bus, CS pin, LCD Type =ok
//TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, CS pin, LCD Type =ok

//TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4, TextLCD::HD44780); // SPI bus, CS pin, LCD Type, LCD Ctrl =ok
//TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4, TextLCD::WS0010); // SPI bus, CS pin, LCD Type, LCD Ctrl

//TextLCD_SPI lcd2(&spi_lcd, p9, TextLCD::LCD8x2B); // SPI bus, CS pin, LCD Type =ok
//TextLCD_SPI lcd2(&spi_lcd, p9, TextLCD::LCD16x1); // SPI bus, CS pin, LCD Type =ok 
//TextLCD_SPI lcd2(&spi_lcd, p9, TextLCD::LCD16x2); // SPI bus, CS pin, LCD Type (VFD) =ok


TextLCD_SPI_N lcd(&spi_lcd, p8, p9, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032 

int main() {
//  int i=0;
  int count=0;
  bool running=true;
  char command;    
    
    pc.printf("LCD Test. Colums=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());
      
//while (1) {
    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_ms(500);    
//   lcd.cls();    // Test timing
//}
 

    lcd.setCursor(TextLCD::CurOff_BlkOn);

//    lcd.setUDC(0, (char *) udc_AA);
//    lcd.putc(0);    

//    lcd.setUDC(1, (char *) udc_0E);
//    lcd.putc(1);    

//    lcd.setUDC(0, (char *) udc_0);
//    lcd.putc(0);    
//    lcd.setUDC(1, (char *) udc_1);
//    lcd.putc(1);    
//    lcd.setUDC(2, (char *) udc_2);
//    lcd.putc(2);    

    lcd.setUDC(0, (char *) udc_Bat_Hi);
    lcd.setUDC(1, (char *) udc_Bat_Ha);
    lcd.setUDC(2, (char *) udc_Bat_Lo);
    lcd.setUDC(3, (char *) udc_AC);
    lcd.setUDC(4, (char *) udc_4);
    lcd.setUDC(5, (char *) udc_5);
    lcd.setUDC(6, (char *) udc_6);
    lcd.setUDC(7, (char *) udc_7);

    lcd.putc(0);    
    lcd.putc(1);    
    lcd.putc(2);    
    lcd.putc(3);    
    lcd.putc(4);    
    lcd.putc(5);    
    lcd.putc(6);    
    lcd.putc(7);    

#if(0)
    lcd2.setUDC(0, (char *) udc_Bat_Hi);
    lcd2.setUDC(1, (char *) udc_Bat_Ha);
    lcd2.setUDC(2, (char *) udc_Bat_Lo);
    lcd2.setUDC(3, (char *) udc_AC);
    lcd2.putc(0);    
    lcd2.putc(1);    
    lcd2.putc(2);    
    lcd2.putc(3);    
#endif    

#if(0)    
    while (1) {
      lcd.locate(4, 2);      
      lcd.printf("Count=%3d", i);      
      i++;
      if (i==100) i=0; 
      
      wait(1); 
    }
#endif    
    
    pc.printf("Hello World!\n\r");
    show_menu();
      
    while(running) {
       
       count++;
    
       if(pc.readable()) {
         command = pc.getc();       
         pc.printf("command= %c \n\r", command);         

         switch (command) {
          case '0' :
                     pc.printf("Done\n\r");                    
                     running = false;  
                     break;
          
          case '1' :
                     show_menu();
                     break;
                    
          case '2' :
                     pc.printf("Goto 0,0\n\r"); 
                     lcd.locate(0, 0);                           
//                     lcd2.locate(0, 0);                                                
                     break;
          
          case '3' :
                     pc.printf("Goto Col,Row\n\r"); 
                     lcd.locate( (lcd.columns() - 1), (lcd.rows() - 1));                           
//                     lcd2.locate( (lcd.columns() - 1), (lcd.rows() - 1));                                                
                     break;

          case '4' :
                     pc.printf("cls()\n\r");        
                     lcd.cls();                           
//                     lcd2.cls();                                                
                     break;

          case '5' :
                     pc.printf("UDCs\n\r");                  
                     lcd.locate(2, 0);      
                     lcd.putc(0);    
                     lcd.putc(1);                         
                     lcd.putc(2);                         
                     lcd.putc(3);    
                     lcd.putc(4);                         
                     lcd.putc(5);                         
                     lcd.putc(6);    
                     lcd.putc(7);                         
                                          
                     lcd.locate(4, lcd.rows()-1);      
                     lcd.putc(0);    
                     lcd.putc(1);                         
                     lcd.putc(2);                         
                     lcd.putc(3);                                              


//                     lcd2.locate(4, lcd.rows()-1);      
//                     lcd2.putc(0);    
//                     lcd2.putc(1);                         
//                     lcd2.putc(2);                         
//                     lcd2.putc(3);                                              
         
                     break;
          case '6' :
                     pc.printf("Fill\n\r");                            
                     lcd.locate(0, 0);                
                     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('+');
                     }  
          
                     break;

          case '7' :
                     pc.printf("Cursor 0n\n\r");    
                     lcd.setCursor(TextLCD::CurOff_BlkOn);                                             
//                     lcd2.setCursor(TextLCD::CurOff_BlkOn);                                                       
                     break;

          case '8' :
                     pc.printf("Cursor 0ff\n\r");    
                     lcd.setCursor(TextLCD::CurOff_BlkOff);                                             
//                     lcd2.setCursor(TextLCD::CurOff_BlkOff);                                                       
                     break;

          case '9' :
                     pc.printf("Text\n\r");    
                     lcd.printf("Hello mbed\n");                            
//                     lcd2.printf("Hello mbed\n");                            
                               
                     break;

          case 'A' :
                     pc.printf("Display On\n\r");   
                     lcd.setMode(TextLCD::DispOn);                                 
//                     lcd2.setMode(TextLCD::DispOn);                                                      
                     break;

          case 'B' :
                     pc.printf("Display Off\n\r");                                 
                     lcd.setMode(TextLCD::DispOff);                                                     
//                     lcd2.setMode(TextLCD::DispOff);                                                                          
                     break;

          case 'C' :
                     pc.printf("Backlight On\n\r");   
                     lcd.setBacklight(TextLCD::LightOn);                                 
//                     lcd2.setBacklight(TextLCD::LightOn);                                                      
                     break;

          case 'D' :
                     pc.printf("Backlight Off\n\r");                                 
                     lcd.setBacklight(TextLCD::LightOff);                                                     
//                     lcd2.setBacklight(TextLCD::LightOff);                                                                          
                     break;


//          case 'E' :
//                     pc.printf("Test nibble\n\r");                                 
//                     for (int i=0; i<16; i++) {
//                       lcd._writeNibble(i);
//                       wait(1);
//                     }
//                     break;



          default :
                    lcd.putc(command);          
//                    lcd2.putc(command);                              
                    break;
                              
        } //switch
      }//if
    }//while

    pc.printf("Bye World!\n\r");      
}