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Added a function to the app_utils collection which parses a time and date string to fill a struct tm

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This commit is contained in:
Anatole SCHRAMM 2025-07-31 16:15:31 +02:00
parent 54e69e424a
commit 0549ebe68d
2 changed files with 44 additions and 1 deletions
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36
app/app_lib/app_utils.c
View File

@ -1,5 +1,6 @@
#include "app_utils.h" #include "app_utils.h"
#include <math.h> #include <math.h>
#include "utils.h"
#include "wm_crypto_hard.h" #include "wm_crypto_hard.h"
static uint32_t millis_cnt = 0; static uint32_t millis_cnt = 0;
@ -73,4 +74,37 @@ uint32_t random_gen_6_digit(void)
} }
return output_num; return output_num;
} }
void time_date_to_tm(const char *time_date, struct tm *time)
{
if(!time_date) return;
/* Months are on three letters :
Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
*/
const char *MONTHS[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
const unsigned long int MONTHS_CNT = sizeof(MONTHS)/sizeof(*MONTHS);
char month[4];
time->tm_mon = 0;
sscanf(time_date, "%d:%d:%d %s %d %d",
&time->tm_hour,
&time->tm_min,
&time->tm_sec,
month,
&time->tm_mday,
&time->tm_year);
for(unsigned long int i = 0; i < MONTHS_CNT; i++)
{
if(strcasecmp(MONTHS[i], month) == 0)
{
time->tm_mon = i;
break;
}
}
// Adjust year value
time->tm_year -= 1900;
}

9
app/app_lib/app_utils.h
View File

@ -13,4 +13,13 @@ void ms_delay(uint32_t ms);
uint32_t random_gen_6_digit(void); uint32_t random_gen_6_digit(void);
/**
* @brief Function parsing a string having format : __TIME__" "__DATE__
* and filling the given struct tm accordingly.
*
* @param time_date a string having the proper time and date format
* @param time a pointer to the struct tm to fill
*/
void time_date_to_tm(const char *time_date, struct tm *time);
#endif //APP_UTILS_H #endif //APP_UTILS_H