root / logic / trunk / src / drv_comm / generator.c @ 86
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <time.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "generator.h" |
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//funkcija:
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int generate_value() {
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// nastavitev, minimalne in maksimalne temperature:
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//funkcija, torej od ure 00:00 raste od minimalne do maximalne, ki jo dosee pri uri 12:00 in nato spet pada do minimalne pri 24:00
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double minimum=20; |
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double maximum=27; |
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time_t now; |
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struct tm *ts;
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char buf1[80]; |
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now = time(NULL);
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ts = localtime(&now); |
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strcpy(buf1, asctime(ts)); |
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int x1 = buf1[11]-48; |
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int x2 = buf1[12]-48; |
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int m1 = buf1[14]-48; |
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int m2 = buf1[15]-48; |
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int minutes = (x1*10+x2)*60 + m1*10+m2; |
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int variable = minutes;
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if(variable>720) { |
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variable= 720-(variable-720); |
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} |
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double k = ((double)variable)/((double)720); |
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//funkcija vraca vrednost na eno decimalko natancno, podobno kot preproste i2c naprave
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return (int) (minimum + k * (maximum-minimum))*10; |
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} |
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//*
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char *int_to_str(int nbr) |
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{ |
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int div;
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int len;
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int i;
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char *res;
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res = malloc(4 * sizeof(*res)); |
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i = 0;
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while (i < 3) |
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res[i++] = '\0';
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res[3] = '\0'; |
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i = 0;
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div = 1;
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len = 1;
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while (nbr / div >= 10) |
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{ |
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div *= 10;
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len++; |
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} |
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while (len)
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{ |
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res[i++] = '0' + (nbr / div);
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len--; |
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nbr %= div; |
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div /= 10;
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} |
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return (res);
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} |
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/**/
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