File content as of revision 0:786207d961f4:

#include "mbed.h"

PortIn myIOs(PortC, 0xFFFF); // PC_all

Serial pc(SERIAL_TX, SERIAL_RX);

Ticker toggle_ticker;

DigitalOut led(LED1);

int pin =0;
int vypis =0;

bool start = true;

void toggle()
{
    int meas,z;
    meas=myIOs.read();

    led= !led;
    if (meas == pin ) {
        start = true;
    }
    if(start) {
        if(vypis==1) {
            while(!pc.writeable());
            for (z =32768; z > 0; z >>= 1) {
                while(!pc.writeable());
                printf(((meas & z) == z) ? "1" : "0");
            }
            while(!pc.writeable());
            printf("\n");
        } else if(vypis==2) {
            while(!pc.writeable());
            printf("%d\n", meas);
        } else if(vypis==3) {
            while(!pc.writeable());
            printf("%o\n", meas);
        } else if(vypis==4) {
            while(!pc.writeable());
            printf("%x\n", meas);
        } else {
            while(!pc.writeable());
            printf("DEC: %d, HEX: %x, OCT: %o, BIN: ", meas,meas,meas);
            for (z =32768; z > 0; z >>= 1) {
                while(!pc.writeable());
                printf(((meas & z) == z) ? "1" : "0");
            }
            while(!pc.writeable());
            printf("\n");
        }
    }
}

void flushSerialPort()
{
    while(pc.readable())
        pc.getc();
    return;
}


int main()
{
    myIOs.mode(PullNone); // PullDown PullUp PullNone OpenDrain



    int prijData=0;
    int Data1=0;
    float Data2=0;
    pc.baud(115200);
    toggle_ticker.detach();
    toggle_ticker.attach(&toggle, 0.01);
    printf("\nLogic sond.\n");

    while(1) {
        prijData=pc.scanf("%d %f",&Data1,&Data2);
        if(prijData==2) {
            //pc.printf()
            if(Data1==1) {
                toggle_ticker.detach();
                toggle_ticker.attach(&toggle, Data2);
            } else if(Data1==2) {
                toggle_ticker.detach();
            } else if(Data1==3) {
                pin=(int)Data2;
                start = false;
            } else if(Data1==4) {
                vypis=(int)Data2;
            }
        } else {
            toggle_ticker.detach();

            while(!pc.writeable());
            printf("HELP - MENU\n");
            while(!pc.writeable());
            printf("Data send to PC is in dec format.\n");
            while(!pc.writeable());
            printf("Set data exactly.\n");
            while(!pc.writeable());
            printf("Write to console: \"xx yy\", where xx is a code of seting and yy his value.\n");
            while(!pc.writeable());
            printf("01 y.yyy - set period[s] to send data to PC and start reading value, example:01 0.01\n");
            while(!pc.writeable());
            printf("02 0 - stop reading value, example:02 0\n");
            while(!pc.writeable());
            printf("03 yyyy - Wait for pin to get to log.1. yyyy write in dec example:03 2000\n");
            while(!pc.writeable());
            printf("04 yy - print yy: 00-default all, 01-bin, 02-dec, 03-oct, 04-hex, example:04 00\n");
            while(!pc.writeable());
            printf("end HELP\n");
            flushSerialPort();

        }
        // wait(0.2); // 200 ms
    }
}