main.cpp

00001 // N.C. testing n-bed with LCD
00002 
00003 #include "mbed.h"
00004 #include "TextLCD.h"
00005 
00006 //n-bed CONNECTOR "L" JP6
00007 TextLCD  lcd(p17,   p20,   p24, p23,   p22,   p8,    TextLCD::LCD20x4); // rs, e, d4-d7
00008 
00009 //n-bed CONNECTOR "K" JP7
00010 //Drive LCD from NON mbed pins
00011 TextLCD lcd2(P1_19, P1_22, p15, P1_25, P1_26, P1_27, TextLCD::LCD20x4); // rs, e, d4-d7
00012 
00013 Timer t;
00014 DigitalOut led1(LED1);
00015 
00016 //Measure from a NON mbed analog pin 
00017 AnalogIn input(P0_2); //the range of the analog input goes, from 0 V. to 3.3V.  the actual value is represented as a float from 0 to 1.
00018 float ain; //ain must be a float, for matching the input.read type.
00019 AnalogIn input2(P0_3); //the range of the analog input goes, from 0 V. to 3.3V.  the actual value is represented as a float from 0 to 1.
00020 float ain2; //ain must be a float, for matching the input.read type.
00021 
00022 int main() {
00023     t.start();
00024     lcd.cls();
00025     wait(1);
00026     lcd.printf("n-bed 1st Display\n"); lcd2.printf("n-bed 2nd Display\n");
00027     while (1) {
00028         led1 = 1;
00029         ain=input.read();
00030         
00031         time_t seconds = time(NULL);
00032         lcd.locate(0,1); lcd2.locate(0,1);
00033         lcd.printf("%s", ctime(&seconds));  lcd2.printf("%s", ctime(&seconds));
00034             
00035         lcd.locate(0,2); lcd2.locate(0,2);
00036         lcd.printf("n-bed A3=%1.1f V", ( float(3.3)*ain) )  ;  lcd2.printf("n-bed A3=%1.1f V", ( float(3.3)*ain) )  ;
00037         wait(0.001);
00038         ain2=input2.read();
00039         lcd.locate(0,3); lcd2.locate(0,3);
00040         lcd.printf("n-bed A4=%1.1f V", ( float(3.3)*ain2) )  ;  lcd2.printf("n-bed A4=%1.1f V", ( float(3.3)*ain2) )  ;
00041         led1 = 0;
00042         wait(0.9);
00043     }
00044 }
00045 
00046 
00047 
00048