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Implemented setting internal clock from GPS

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Mark Qvist 2019-11-07 20:52:48 +01:00
parent 34a5346566
commit 07f4b198bc
8 changed files with 162 additions and 41 deletions
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26
hardware/SD.c
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@ -1,5 +1,7 @@
#include "SD.h"
#include "hardware/Crypto.h"
#include "util/time.h"
#include <time.h>
FATFS sdfs;
@ -163,11 +165,21 @@ void sd_scheduler(void) {
// TODO: Get time from RTC or host
DWORD get_fattime (void)
{
// Returns current time packed into a DWORD variable
return ((DWORD)(2018 - 1980) << 25) // Year 2013
| ((DWORD)8 << 21) // Month 7
| ((DWORD)2 << 16) // Mday 28
| ((DWORD)20 << 11) // Hour 0..24
| ((DWORD)30 << 5) // Min 0
| ((DWORD)0 >> 1); // Sec 0
time_t timestamp = rtc_seconds();
struct tm now;
gmtime_r(&timestamp, &now);
int16_t year = now.tm_year;
int8_t month = now.tm_mon+1;
int8_t day = now.tm_mday;
int8_t hour = now.tm_hour;
int8_t minute = now.tm_min;
int8_t second = now.tm_sec;
return ((DWORD)(year - 2000) << 25)
| ((DWORD)month << 21)
| ((DWORD)day << 16)
| ((DWORD)hour << 11)
| ((DWORD)minute << 5)
| ((DWORD)second >> 1);
}