test-batv.c

Go to the documentation of this file.

/**
 * \file
 *  Dummy contiki application that des nothing. Literally.
 *  Might be useful for relay only nodes.
 */
#include <stdbool.h>
#include <stdio.h>      
#include <math.h>
#include "contiki.h"
#include "ms-io.h"

float floor2(float x){
  if(x>=0.0f) return (float) ((int)x);
  else        return (float) ((int)x-1);
}

PROCESS(do_nothing_process, "Process that does nothing");

AUTOSTART_PROCESSES(&do_nothing_process);

PROCESS_THREAD(do_nothing_process, ev, data) {
    static struct etimer sample_timer;
        static float bat_val;
        
        PROCESS_BEGIN();

        ms_init();
        ms_sense_on();
        
    while (true) {
                ms_get_batt(&bat_val);
                float voltage = bat_val;
                
                float f1 = bat_val/1698;
                int d1 = f1;
                float f2 = f1 - d1;
                int d2 = trunc(f2 * 10000);
        
                
                printf("Batv Value: %f\n", bat_val);
                
                printf("Batv Value: %d.%d\n", d1, d2);

                printf("Approx Voltage: %ld.%02d\n\n", (long)voltage, (int)((voltage - floor2(voltage))*100) );
                
        etimer_set(&sample_timer, CLOCK_SECOND * 10);
        
                PROCESS_WAIT_EVENT();
    }

    PROCESS_END();
}