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Merge e9b81276e5 into 99ab67143a

pull/627/merge
Samantaz Fox 2026-05-05 21:48:12 +00:00 committed by GitHub
parent 99ab67143a e9b81276e5
commit 0fb0890a16
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GPG Key ID: B5690EEEBB952194
1 changed files with 16 additions and 10 deletions
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6
j1939_timedate/j1939_timedate_srv.c
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@ -41,6 +41,7 @@ static void gmtime_to_j1939_pgn_65254_td(struct j1939_time_date_packet *tdp)
utc_tm = gmtime_r(&now, &utc_tm_buf); utc_tm = gmtime_r(&now, &utc_tm_buf);
local_tm = localtime_r(&now, &local_tm_buf); local_tm = localtime_r(&now, &local_tm_buf);
if (local_tm != NULL) {
/* Calculate the offsets */ /* Calculate the offsets */
hour_offset = local_tm->tm_hour - utc_tm->tm_hour; hour_offset = local_tm->tm_hour - utc_tm->tm_hour;
minute_offset = local_tm->tm_min - utc_tm->tm_min; minute_offset = local_tm->tm_min - utc_tm->tm_min;
@ -52,6 +53,11 @@ static void gmtime_to_j1939_pgn_65254_td(struct j1939_time_date_packet *tdp)
else else
hour_offset -= 24; /* before midnight */ hour_offset -= 24; /* before midnight */
} }
} else {
/* The local time offsets cannot be determined at the moment */
hour_offset = 0xF9;
minute_offset = 0xFF;
}
/* /*
* Seconds (spn959): * Seconds (spn959):