File content as of revision 1:315a39beca2d:

#include "mbed.h"

Serial pc(D8, D2);

DigitalOut ss1a(D15);
DigitalOut ss1b(D14);
DigitalOut ss1c(D13);
DigitalOut ss1d(D12);

DigitalOut ss2a(D11);
DigitalOut ss2b(D10);
DigitalOut ss2c(D9);
DigitalOut ss2d(D7);

AnalogIn analog_value(A1);

int main() 
{
    int ascidata1,realdata1,ascidata2,realdata2;
    uint8_t data;
    float meas,meas1;
    int state_show=0;
    
    while(1)
    {
            if(state_show == 0) 
            {
            pc.printf("\nMenu\n");
            pc.printf("1.Input 0-99\n");
            pc.printf("2.VR output\n");
            state_show = 1;
            }
            
            
            if(pc.readable()) 
            {
            data = pc.getc();
            
            pc.printf("Mode select complete \n\n");
            state_show=2;
            } 
            
            
            if(state_show ==2)
            {
            
                if(data=='1')
                {
                pc.printf("Number input : ");
                ascidata1 =pc.getc();
                ascidata2 =pc.getc();
                realdata1=ascidata1-48;
                realdata2=ascidata2-48;
            
                if(realdata1==0){ss1d=0;ss1c=0;ss1b=0;ss1a=0;}
                if(realdata1==1){ss1d=0;ss1c=0;ss1b=0;ss1a=1;}
                if(realdata1==2){ss1d=0;ss1c=0;ss1b=1;ss1a=0;}
                if(realdata1==3){ss1d=0;ss1c=0;ss1b=1;ss1a=1;}
                if(realdata1==4){ss1d=0;ss1c=1;ss1b=0;ss1a=0;}
                if(realdata1==5){ss1d=0;ss1c=1;ss1b=0;ss1a=1;}
                if(realdata1==6){ss1d=0;ss1c=1;ss1b=1;ss1a=0;}
                if(realdata1==7){ss1d=0;ss1c=1;ss1b=1;ss1a=1;}
                if(realdata1==8){ss1d=1;ss1c=0;ss1b=0;ss1a=0;}
                if(realdata1==9){ss1d=1;ss1c=0;ss1b=0;ss1a=1;}
            
                if(realdata2==0){ss2d=0;ss2c=0;ss2b=0;ss2a=0;}
                if(realdata2==1){ss2d=0;ss2c=0;ss2b=0;ss2a=1;}
                if(realdata2==2){ss2d=0;ss2c=0;ss2b=1;ss2a=0;}
                if(realdata2==3){ss2d=0;ss2c=0;ss2b=1;ss2a=1;}
                if(realdata2==4){ss2d=0;ss2c=1;ss2b=0;ss2a=0;}
                if(realdata2==5){ss2d=0;ss2c=1;ss2b=0;ss2a=1;}
                if(realdata2==6){ss2d=0;ss2c=1;ss2b=1;ss2a=0;}
                if(realdata2==7){ss2d=0;ss2c=1;ss2b=1;ss2a=1;}
                if(realdata2==8){ss2d=1;ss2c=0;ss2b=0;ss2a=0;}
                if(realdata2==9){ss2d=1;ss2c=0;ss2b=0;ss2a=1;}
                state_show = 0;
                }
                if(data=='2')
                {
                meas = analog_value.read(); 
                meas1 = meas*3.3;
                pc.printf("VR output : %.2f volt\n",meas1);
                state_show = 0;
                }
            }
            
      }
}