File content as of revision 0:04877eaa5047:

#include "mbed.h"
#include "PwmIn.h"
#include "C12832.h"

DigitalOut myled(LED1);
DigitalOut myled2(LED2);
DigitalOut myled3(LED3);
DigitalOut myled4(LED4);

DigitalOut buzz(p18);

DigitalOut rele1(p23);
DigitalOut rele2(p24);
DigitalOut sobe(p21);
DigitalOut desce(p22);

C12832 lcd(p5, p7, p6, p8, p11);

PwmIn a(p15);//CH1
PwmIn b(p16); //CH2
PwmIn c(p17);//CH3
PwmIn d(p18);//CH4

float t, u, v, w;

int main() {
    lcd.cls();
    sobe = 1;
    desce = 1;
    rele1 = 1;
    rele2 = 1;
    buzz = 0;
    while(1) {
        lcd.cls();
        t = (a.dutycycle()*100);
        u = (b.dutycycle()*100);
        v = (c.dutycycle()*100);
        w = (d.dutycycle()*100);

    //  printf("a: pw = %f, period = %f\n", a.pulsewidth(), a.period());

        if ((u<12)&(u>10)){
            lcd.locate(25,0);
            lcd.printf("u 0");
            myled3 = 0;
            myled4 = 0;
            sobe = 1;
            desce = 1;
        }
        if (u<10){
            lcd.locate(25,0);
            lcd.printf("u-1");
            myled3 = 0;
            myled4 = 1;
            desce = 0;
            sobe = 1;
        }
        if (u>12){
            lcd.locate(25,0);
            lcd.printf("u+1");
            myled3 = 1;
            myled4 = 0;
            sobe = 0;
            desce = 1;
        }

        if ((v<12)&(v>10)){
            lcd.locate(0,0);
            lcd.printf("v 0");
            myled = 0;
            myled2 = 0;
            rele1 = 1;
            rele2 = 1;
        }
        if (v<10){
            lcd.locate(0,0);
            lcd.printf("v-1");
            myled = 1;
            myled2 = 1;
            rele2 = 0;
            rele1 = 0;
        }
        if (v>12){
            lcd.locate(0,0);
            lcd.printf("v+1");
            myled = 1;
            myled2 = 0;
            rele1 = 0;
            rele2 = 1;
        }
        
        
        
        
        
        
        
        if ((t<12)&(t>10)){
            lcd.locate(25,10);
            lcd.printf("t 0");
        }
        if (t<10){
            lcd.locate(25,10);
            lcd.printf("t-1");
        }
        if (t>12){
            lcd.locate(25,10);
            lcd.printf("t+1");
        }
        
        
        
        if (w>14){
            lcd.locate(0,10);
            lcd.printf("w+1");
            buzz = 1;
        }
        else {
            lcd.locate(0,10);
            lcd.printf("w 0");
            buzz = 0;
        }
        
        /*
        
        if ((w<12)&(w>10)){
            lcd.locate(0,10);
            lcd.printf("w 0");
        }
        if (w<10){
            lcd.locate(0,10);
            lcd.printf("w-1");
        }
        if (w>12){
            lcd.locate(0,10);
            lcd.printf("w+1");
        }
        
        */
        
 //     lcd.locate(25,10);
 //     lcd.printf("%f",b.dutycycle()); 
 //     lcd.printf("pw= %f pd= %f\n", a.pulsewidth(), a.period());

        wait(0.1);
    }
}