File content as of revision 3:b1115b34e95b:

#define mC 261.626
#define mD 293.665
#define mE 329.628
#define mF 349.228
#define mG 391.995
#define mA 440.000
#define mB 493.883
#define THRESH 80
#include "C12832.h"
#include "mbed.h"
#include "rtos.h"

C12832 lcd(p5, p7, p6, p8, p11);
DigitalIn fire(p14);
//DigitalIn up(p15);
//DigitalIn down(p12);
PwmOut sp1(p26);
InterruptIn myup(p15);
InterruptIn mydown(p12);
PwmOut led1(p23);
PwmOut led2(p24);
PwmOut led3(p25);
Semaphore three_slots(1);
Timer for_chat;

int i=0;
float mm[]={mC,mD,mE,mF,mG,mA,mB,mC*2,mD*2,mE*2,mF*2,mG*2,mA*2,mB*2,mC*4};
void intRise(void) 
{    
    if(for_chat.read_ms()>THRESH);
    {
        i++;
        sp1.period(1.0/mm[i]);
        sp1.write(0.5f);
        for_chat.reset();
    }
}
 
void intFall(void) 
{
    if(for_chat.read_ms()>THRESH);
    {
        i--;
        sp1.period(1.0/mm[i]);
        sp1.write(0.5f);
        for_chat.reset();
    }        
}


void r_thread(void const *argument) 
{
    float r = 0;
    while (true) 
    {
        r=0;
        while(r<=1)
        {
            three_slots.wait();
            led1 = r;
            r += 0.01;
            lcd.locate(0,16);
            lcd.printf("R: %3.2f",r);
            three_slots.release();
            Thread::wait(100);

        }
        while(r>0)
        {
            three_slots.wait();
            led1 = r;
            r -= 0.01;
            lcd.locate(0,16);
            lcd.printf("R: %3.2f",r);
            three_slots.release();
            Thread::wait(100);

        }
    }
} 
void g_thread(void const *argument) 
{
    float g = 0;
    while (true) 
    {
        g=0;
        while(g<=1)
        {
            three_slots.wait();
            led2 = g;
            g += 0.01;
            lcd.locate(40,16);
            lcd.printf("G: %3.2f",g);
            three_slots.release();
            Thread::wait(200);
        }
        while(g>0)
        {
            three_slots.wait();
            led2 = g;
            g -= 0.01;
            lcd.locate(40,16);
            lcd.printf("G: %3.2f",g);
            three_slots.release();
            Thread::wait(200);
        }
    }
} 
void b_thread(void const *argument) 
{
    float b = 0;
    while (true) 
    {
        b=0;
        while(b<=1)
        {
            three_slots.wait();
            led3 = b;
            b += 0.01;
            lcd.locate(80,16);
            lcd.printf("B: %3.2f",b);
            three_slots.release();
            Thread::wait(300);
        }
        while(b>0)
        {
            three_slots.wait();
            led3 = b;
            b -= 0.01;
            lcd.locate(80,16);
            lcd.printf("B: %3.2f",b);
            three_slots.release();
            Thread::wait(300);
        }
    }
} 
void count_thread(void const *argument) 
{
    while (true) 
    {
        three_slots.wait();
        lcd.locate(0,3);
        lcd.printf("Counting : %d",i);
        three_slots.release();
        Thread::wait(100);
    }
} 
int main() 
{
    wait(0.01);
    for_chat.start();
    myup.fall(&intRise);
    mydown.fall(&intFall);
    Thread thread1(r_thread,(void *)"Th 1");
    Thread thread2(g_thread,(void *)"Th 2");
    Thread thread3(b_thread,(void *)"Th 3");
    Thread thread4(count_thread,(void *)"Th 4");

    lcd.cls();
    wait(0.01);
    while(1)
    {
        //lcd.cls();

    }
}