Diff: main.cpp

Revision:

2:78d57ebcfc3d

Parent:

0:4860a91fb495

Child:

3:ab83735eefc3

--- a/main.cpp	Mon Feb 17 22:16:24 2014 +0000
+++ b/main.cpp	Mon Nov 02 13:53:31 2015 +0000
@@ -1,18 +1,39 @@
-#include "mbed.h"
+/****************************************************
+*            FAST PROTOTYPING WITH NUCLEO           *
+* Example Code 05: LCDdisplay                       *
+* Author: Mauro D'Angelo                            *
+* Organization: Perlatecnica no-profit organization *  
+*****************************************************/
 
-PwmOut mypwm(PWM_OUT);
+#include "mbed.h"
+#include "TextLCD.h"
 
-DigitalOut myled(LED1);
+// PCF8574T
+#define SLAVEADDRESS 0x4E 
+//PCF8574AT
+//#define SLAVEADDRESS 0x7E
+
+// Instanzia un oggetto I2C assegnando i du pin SDA ed SCL
+I2C i2c_lcd(PB_9,PB_8); // SDA, SCL
 
+// Instanzia un oggetto TextLCD_I2C per la gestione del display via I2Cbus
+TextLCD_I2C lcd(&i2c_lcd,SLAVEADDRESS,  TextLCD::LCD16x2); // I2C exp: I2C bus, PCF8574AT Slaveaddress, LCD Type
+
+//0x7e,
 int main() {
+    // Spegne il cursore
+    lcd.setCursor(TextLCD::CurOff_BlkOff);
     
-    mypwm.period_ms(10);
-    mypwm.pulsewidth_ms(1);
-  
-    printf("pwm set to %.2f %%\n", mypwm.read() * 100);
+    // Pulisce lo schermo
+    lcd.cls();
+    
+    // Stampa sullo schermo
+    lcd.printf("   Welcome to");
     
-    while(1) {
-        myled = !myled;
-        wait(1);
-    }
-}
+    // punta alla prima colonna del secondo rigo del display
+    lcd.setAddress(0, 1);
+    
+    // Stampa sullo schermo
+    lcd.printf("LCD display demo");
+    wait(2);
+}
\ No newline at end of file