PicoTime.cpp

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#include "time/PicoTime.h"
#include <cstdio>
#include <cstring>
#include <sstream>
#include <iomanip>
 
#if defined(PICO_RP2040)
#include "hardware/rtc.h"
#elif defined(PICO_RP2350)
#include "pico/aon_timer.h"
#endif
 
time_t PicoTime::now()
{
#if defined(PICO_RP2040)
    datetime_t dt;
    rtc_get_datetime(&dt);
    struct tm t = {};
    t.tm_year = dt.year - 1900;
    t.tm_mon = dt.month - 1;
    t.tm_mday = dt.day;
    t.tm_hour = dt.hour;
    t.tm_min = dt.min;
    t.tm_sec = dt.sec;
    return mktime(&t);
#elif defined(PICO_RP2350)
    // Use AON timer for RP2350
    timespec t;
    aon_timer_get_time(&t);
    return t.tv_sec; // Return seconds since epoch
#endif    
}    
 
struct tm PicoTime::nowTm()
{
    time_t t = now();
    struct tm out;
    localtime_r(&t, &out);
    return out;
}
 
#if defined(PICO_RP2040)
datetime_t PicoTime::nowDatetime()
{
    datetime_t dt;
    rtc_get_datetime(&dt);
    return dt;  
}
#endif
 
std::string PicoTime::getNowHhMmSs()
{
    struct tm t = nowTm();
    char buf[9];
    snprintf(buf, sizeof(buf), "%02d:%02d:%02d", t.tm_hour, t.tm_min, t.tm_sec);
    return std::string(buf);
}
 
struct tm PicoTime::todayAt(const struct tm *hhmmss)
{
    struct tm now = nowTm();
    struct tm result = {
        .tm_sec = hhmmss->tm_sec,
        .tm_min = hhmmss->tm_min,
        .tm_hour = hhmmss->tm_hour,
        .tm_mday = now.tm_mday,
        .tm_mon = now.tm_mon,
        .tm_year = now.tm_year,
        .tm_isdst = -1};
    mktime(&result); // Normalize
    return result;
}
 
time_t PicoTime::todayAtTimeT(const struct tm *hhmmss)
{
    struct tm t = todayAt(hhmmss);
    return mktime(&t);
}
 
std::string PicoTime::todayHhMmSsString(const struct tm *hhmmss)
{
    struct tm t = todayAt(hhmmss);
    char buf[32];
    strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &t);
    return std::string(buf);
}
 
void PicoTime::printNow()
{
    print(now());
}
 
void PicoTime::print(time_t t)
{
    struct tm tm;
    localtime_r(&t, &tm);
    print(&tm);
}
 
void PicoTime::print(const struct tm *t)
{
    char buf[32];
    strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", t);
    printf("%s\n", buf);
}
 
std::string PicoTime::formatIso8601(time_t t)
{
    struct tm tm;
    localtime_r(&t, &tm);
    char buf[32];
    strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S", &tm);
    return std::string(buf);
}
 
#if defined(PICO_RP2040)
void PicoTime::print(const datetime_t *dt)
{
    printf("%04d-%02d-%02d %02d:%02d:%02d\n",
           dt->year, dt->month, dt->day,
           dt->hour, dt->min, dt->sec);
}
#endif