File content as of revision 1:ddbed1542633:

#include "mbed.h"
#include "rtos.h"
#include "notes.h"
#include "SDFileSystem.h"
#include <string>
#include <sstream>
#include <iostream>
#include <cstdlib>

Thread motor;
SDFileSystem sd(p5, p6, p7, p8, "sd");
Serial pc(USBTX, USBRX); // tx, rx
class Note {
public:
    int midiNote;
    float start;
    float stop;
    Note(int midi, float sta, float sto) {
        start = sta;
        stop = sto;
        midiNote = midi;
        }
    };
        


class Flipper {
public:
    Flipper(PinName pin) : _pin(pin) {
        _pin = 0;
    }
    void flip() {
        _pin = !_pin;
    }
private:
    DigitalOut _pin;
};
 
DigitalOut led1(LED1);
Flipper f(p21);
Flipper f1(p22);
Ticker t;
Ticker t1;
 
int main() {
     pc.baud(115200);
     const char * d;
     std::string str = "123.4567";
     d = str.c_str();
    // convert string to float
    float num_float = std::atof(d);

    // convert string to double
    pc.printf("%f\n", num_float-1.0);
    int temp = 0;

    pc.printf("Hello World!");
    string output = "";

    FILE *fpn = fopen("/sd/notesmatrix.txt", "r");
    FILE *fpstart = fopen("/sd/notesstart.txt", "r");
    FILE *fpfinish = fopen("/sd/notesfinish.txt","r");
    unsigned char c;
    pc.printf("I'm here\n");
    
    while (!feof(fpn)){                        // while not end of file
           c = fgetc(fpn);                         // get a character/byte from the file
           if(c == ','){
               stringstream degree(output);
               degree >> temp;
               pc.printf("%d\n", temp-1);
               output = "";
           } else {
          output += c;
          }
    }
    output = "";
    while(!feof(fpstart)){
        c = fgetc(fpstart);
        if(c == ','){
            d = output.c_str();
            num_float = std::atof(d);
            pc.printf("%f\n", num_float);
            output = "";  
        } else {
           output+= c;
           }
           
    }
    output = "";
    while(!feof(fpfinish)){
        c = fgetc(fpfinish);
        if(c == ','){
            d = output.c_str();
            num_float = std::atof(d);
            pc.printf("%f\n", num_float);
            output = "";  
        } else {
           output+= c;
           }
           
    }    
      
      
    float note1 = 1.0/(NOTE_A4*2);
    float note2 = 1.0/(NOTE_CS5*2);
    float note2m = 1.0/(NOTE_C5*2);
    float note3 = 1.0/(NOTE_E5*2);
    t.attach(&f, &Flipper::flip, note1); // the address of the object, member function, and interval
    t1.attach(&f1, &Flipper::flip, note2);
    pc.printf("Hello World!\n");
    pc.printf("%f\n",note1);
    Note myNote = Note(1, 1.0, 1.0);
    pc.printf("%d", myNote.midiNote);
    // spin in a main loop. flipper will interrupt it to call flip
    while(1) {
        for(int i = 0; i < 10; i++) {
        t1.attach(&f1, &Flipper::flip, note2);
        led1 = !led1;
        wait(0.2);
        t1.attach(&f1, &Flipper::flip, note3);
        wait(0.2);
        }
        for(int i = 0; i < 10; i++) {
        t1.attach(&f1, &Flipper::flip, note2m);
        led1 = !led1;
        wait(0.2);
        t1.attach(&f1, &Flipper::flip, note3);
        wait(0.2);
        }
        
    }
}