File content as of revision 0:0f1c2bf6ab4e:

/**********************************************************
* EECS 397
*
* Assignment Name: Lab 1: Two_speed_blinky
*
* Author(s): Markowitz, Billy;
*
* Purpose: turn the User LED on for .5 seconds, off for 1 second, on for .5 seconds,
* off for 2 seconds, and then repeat sequence ad infinitum.
*
* Last Modified 2018-01-24
*
**********************************************************/

#include <mbed.h>
#include <io_pins.h>
#include <display.h>




int main(void)
{
    // Configuring the Controller
    dsp_ncs = 1;
    display_ctr.format(16); // 16 bits per frame, mode 0
    dsp_ncs = 0;
    send_data(0x0f01);
    wait(1.5);
    send_data(0x0F00);
    send_data(0x0A0F);
    send_data(0x0B04);
    send_data(0x0C01); //set to normal shutdown mode
    send_data(0x090F); //configures the decode register
    send_data(DISPLAY_1); //Digit 1 is 0
    send_data(DISPLAY_2);
    send_data(DISPLAY_3);
    send_data(DISPLAY_4);


    int data;
    int current_register = DISPLAY_1;

    // main loop
    pc.printf("Please Enter a Digit from 0-9 \n");
    while(1) {
        

        if(pc.readable()) {
            data = pc.getc()-48;
            if(data >= 0 && data <= 9) {
                send_data(current_register+data);
            if(current_register < 0x0500) {
                    current_register = current_register + 0x0100;
                }

                else 
                    current_register = DISPLAY_1;      
                    
            pc.printf("Please Enter a Digit from 0-9 \n");     
            }

            else
                pc.printf("Please print a valid number \n");

        }

    }
}