mirror of https://github.com/zrafa/xinu-avr.git
Rafael Zurita
6 years ago
7 changed files with 227 additions and 45 deletions
@ -0,0 +1,168 @@
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#include <stdint.h> |
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typedef long int32; |
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typedef unsigned long uint32; |
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typedef long unsigned int size_t; |
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typedef uint32_t time_t; |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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#include <ctype.h> |
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#define TRUE 1 |
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#define FALSE 0 |
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struct tm avr_tm; |
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char days_per_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; |
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/*
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const char * strp_weekdays[] =
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{ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday"}; |
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const char * strp_monthnames[] =
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{ "january", "february", "march", "april", "may", "june", "july", "august", "september", "october", "november", "december"}; |
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*/ |
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#define SECONDS_PER_DAY (60*60*24) |
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unsigned long int seconds = 0; |
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unsigned int days = 0; |
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// unsigned long long int seconds = 0;
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int date(const char *s) { |
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int m, d, y; |
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int hour, min, sec; |
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int i; |
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char two[3]; |
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two[2] = 0; |
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/* month */ |
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two[0] = *s; s++; two[1] = *s; s++; |
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m = atoi(two); |
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s++; |
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/* day */ |
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two[0] = *s; s++; two[1] = *s; s++; |
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d = atoi(two); |
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s++; |
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/* year */ |
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two[0] = *s; s++; two[1] = *s; s++; |
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// y = 2000 + atoi(two);
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y = atoi(two); |
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/*
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while (isspace((int)(*s)))
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++s; |
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*/ |
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s++; |
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/* hour */ |
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two[0] = *s; s++; two[1] = *s; s++; |
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hour = atoi(two); |
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s++; |
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/* minutes */ |
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two[0] = *s; s++; two[1] = *s; s++; |
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min = atoi(two); |
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s++; |
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/* seconds */ |
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two[0] = *s; s++; two[1] = *s; s++; |
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sec = atoi(two); |
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for (i=2000; i<y; i++) { |
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if ( i % 4 == 0 && i % 100 != 0 || i % 400 == 0 ) |
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days = days + 366; |
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//seconds = seconds + (366 * SECONDS_PER_DAY);
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else |
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days = days + 365; |
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//seconds = seconds + (365 * SECONDS_PER_DAY);
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} |
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for (i=1; i<m; i++) { |
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days = days + days_per_month[i-1]; |
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//seconds = seconds + (days_per_month[i-1] * SECONDS_PER_DAY);
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if ((i == 2) && ( y % 4 == 0 && y % 100 != 0 || y % 400 == 0 )) |
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days++; |
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//seconds = seconds + (SECONDS_PER_DAY);
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} |
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days = days + d; |
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//seconds = seconds + (d * SECONDS_PER_DAY);
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seconds = 0; |
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seconds = seconds + (hour * 3600) + (min * 60) + sec; |
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printf("h:%d\n", hour); |
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printf("m:%d\n", min); |
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printf("s:%d\n", sec); |
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printf("d:%d\n", d); |
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printf("m:%d\n", m); |
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printf("y:%d\n", y); |
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avr_tm.tm_sec = sec; |
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avr_tm.tm_min = min; |
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avr_tm.tm_hour = hour; |
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avr_tm.tm_mon = m - 1; |
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avr_tm.tm_mday = d; |
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avr_tm.tm_year = y + 100; |
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return 0; |
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} |
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const unsigned int dinamonth[13] = {0,0,0,31,30,31,30,31,31,30,31,30,31};
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//const unsigned long secinamonth[13] = {0,0,0,31*86400,30*86400,31*86400,30*86400,31*86400,31*86400,30*86400,31*86400,30*86400,31*86400};
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void seconds_to_date(int *y, int *m, int *d, int *h, int *min, int *s) // unsigned 32bit input
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{ |
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unsigned long int dd = days; |
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unsigned long int ss = seconds; |
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char temp = 0; // start at year 2000
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while (dd >= 1460 && temp <100) { dd -= 1460; temp +=4;} // four year blocks until 2100
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// while (sec >= 126230400 && temp <100) { sec -= 126230400; temp +=4;} // four year blocks until 2100
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if (temp == 100){while (dd >= 366 && temp <104){ dd -= 366; temp +=1;}}//no leapyears
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//if (temp == 100){while (sec >= 31536000 && temp <104){ sec -= 31536000; temp +=1;}}//no leapyears
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while (dd >= 1460){ dd -= 1460; temp +=4;}// four year blocks again
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//while (sec >= 126230400){ sec -= 126230400; temp +=4;}// four year blocks again
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if (dd >= 366){ dd -= 366; temp +=1; // first year after a 4yr block is a leapyear
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// if (sec >= 31622400){ sec -= 31622400; temp +=1; // first year after a 4yr block is a leapyear
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while (dd >= 366){ dd -= 366; temp +=1;}// then it can only be two years left
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// while (sec >= 31536000){ sec -= 31536000; temp +=1;}// then it can only be two years left
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}
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*y = temp; temp = 1; // let it go past 99 to max 136 for year 2136
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if (dd >= 31){ // January
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//if (sec >= 86400*31){ // January
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dd -= 31; temp +=1;
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int tempfeb = 28; |
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if (*y !=100 && !(*y & 3)) tempfeb = 29;// 2100 is no leap year
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//if (rtc.year !=100 && !(rtc.year & 3)) tempfeb = 29;// 2100 is no leap year
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if (dd >= tempfeb){
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//if (sec >= tempfeb){
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dd -= tempfeb; temp +=1; // do the other months now
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// sec -= tempfeb; temp +=1; // do the other months now
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while (dd >= dinamonth[temp]){ dd -= dinamonth[temp]; temp +=1;} |
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//while (sec >= secinamonth[temp]){ sec -= secinamonth[temp]; temp +=1;}
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} |
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} |
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*m = temp; temp = 1; |
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while (dd >= 1){ dd -= 1; temp +=1;} // days
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*d = temp; temp = 0; |
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while (ss >= 3600){ ss -= 3600; temp +=1;} // hour
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*h = temp; temp = 0; |
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while (ss >= 60){ ss -= 60; temp +=1;} // minute
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*min = temp;
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*s = ss; // seconds
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} |
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