main.cpp

00001 #include "mbed.h"
00002 #include "TextLCD.h"
00003  
00004 // I2C Communication
00005 I2C i2c_lcd(A4,A5); // SDA, SCL - I2C3
00006  
00007 // SPI Communication
00008 //SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK
00009 
00010 //TextLCD lcd(p15, p16, p17, p18, p19, p20);                // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780
00011 //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4);   // SPI bus, 74595 expander, CS pin, LCD Type  
00012 //TextLCD_I2C lcd(&i2c_lcd, 0x40, TextLCD::LCD16x2);  // I2C bus, PCF8574 Slaveaddress, LCD Type
00013 TextLCD_I2C lcd(&i2c_lcd, 0x4E);  // I2C bus, PCF8574(FC-113) Slaveaddress, LCD Type(1602A)
00014 
00015 //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type
00016 //TextLCD_SPI_N lcd(&spi_lcd, p8, p9);               // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3   
00017 //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=ST7032_3V3  
00018 
00019 int main() 
00020 {
00021 #if 0
00022     pc.printf("LCD Test. Columns=%d, Rows=%d\n\r", lcd.columns(), lcd.rows());
00023     
00024     for (int row=0; row<lcd.rows(); row++) {
00025       int col=0;
00026       
00027       pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));      
00028 //      lcd.putc('-');
00029       lcd.putc('0' + row);      
00030       
00031       for (col=1; col<lcd.columns()-1; col++) {    
00032         lcd.putc('*');
00033       }
00034  
00035       pc.printf("MemAddr(Col=%d, Row=%d)=0x%02X\n\r", col, row, lcd.getAddress(col, row));      
00036       lcd.putc('+');
00037         
00038     }    
00039     
00040 // Show cursor as blinking character
00041     lcd.setCursor(TextLCD::CurOff_BlkOn);
00042  
00043 // Set and show user defined characters. A maximum of 8 UDCs are supported by the HD44780.
00044 // They are defined by a 5x7 bitpattern. 
00045     lcd.setUDC(0, (char *) udc_0);  // Show |>
00046     lcd.putc(0);    
00047     lcd.setUDC(1, (char *) udc_1);  // Show <|
00048     lcd.putc(1);    
00049 #else
00050     lcd.cls ();
00051     lcd.setBacklight (TextLCD :: LightOn);
00052     lcd.printf ("LCD check - online compile");
00053     lcd.setAddress (0, 1);
00054     lcd.printf ("Hello MBED\n");
00055 #endif
00056 }