30 lines
906 B
C
30 lines
906 B
C
#ifndef _TIMESYNC_H
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#define _TIMESYNC_H
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#include "globals.h"
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#include "irqhandler.h"
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#include "timekeeper.h"
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#define TIME_SYNC_FRAME_LENGTH 6 // timeserver answer frame length [bytes]
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#define TIME_SYNC_FIXUP 16 // compensation for processing time [milliseconds]
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#define TIME_SYNC_MAX_SEQNO 0xfe // threshold for wrap around time_sync_seqNo
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#define TIME_SYNC_END_FLAG (TIME_SYNC_MAX_SEQNO + 1) // end of handshake marker
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#define GPS_UTC_DIFF 315964800UL // seconds diff between gps and utc epoch
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#define LEAP_SECS_SINCE_GPSEPOCH 18UL // state of 2021
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enum timesync_t {
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timesync_tx,
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timesync_rx,
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gwtime_sec,
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gwtime_msec,
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no_of_timestamps
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};
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void timesync_init(void);
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void timesync_request(void);
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void timesync_store(uint32_t timestamp, timesync_t timestamp_type);
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void IRAM_ATTR timesync_processReq(void *taskparameter);
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void IRAM_ATTR timesync_serverAnswer(void *pUserData, int flag);
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#endif
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