mipslabwork.c

/* mipslabwork.c

   This file written 2015 by F Lundevall
   Updated 2017-04-21 by F Lundevall

   This file should be changed by YOU! So you must
   add comment(s) here with your name(s) and date(s):

   This file modified 2017-04-31 by Ture Teknolog

   For copyright and licensing, see file COPYING */

#include <stdint.h>   /* Declarations of uint_32 and the like */
#include <pic32mx.h>  /* Declarations of system-specific addresses etc */
#include "mipslab.h"  /* Declarations for these labs */

int mytime = 0x5957;

char textstring[] = "text, more text, and even more text!";

/* Interrupt Service Routine */
void user_isr( void )
{
  return;
}

volatile int* porte = (volatile int*) 0xbf886110; //Port E is used for the LED lights
int n = 0;

/* Lab-specific initialization goes here */
void labinit( void )
{
    volatile int* trise = (volatile int*) 0xbf886100; //Tris E is used for configuration output = 0, input = 1 of the LED lights
    *trise &= ~0xf00; //Set bits 0 through 7 to 0 (output)

    TRISD |= 0xfe0; //Set bits 5 through 11 to input (1 = input) (1111 1110 0000) = 0xfe0

    return;
}

/* This function is called repetitively from the main program */
void labwork( void )
{
    int buttonStatus = getbtns();
    int switchNumber = getsw();
    if(buttonStatus == 1) //If button 2 is pressed
    {
        mytime &= 0xff0f;
        mytime = ((switchNumber & 0x0f) << 4) | mytime;
    }
    else if(buttonStatus == 2) //If button 3 is pressed
    {
        mytime &= 0xf0ff;
        mytime = ((switchNumber & 0x0f) << 8) | mytime;
    }
    else if(buttonStatus == 4) //If button 4 is pressed
    {
        mytime &= 0x0fff;
        mytime = ((switchNumber & 0x0f) << 12) | mytime;
    }
    else
        *porte = n; // 1 = ON, 0 = OFF The 8 least significant bits correspond to an LED

    delay(1000);
    time2string( textstring, mytime );
    display_string( 3, textstring );
    display_update();
    tick( &mytime );
    display_image(96, icon);
    n += 0x1;
}