31 lines
937 B
C
31 lines
937 B
C
#ifndef _TIMESYNC_H
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#define _TIMESYNC_H
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#include <chrono>
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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_TRIGGER 100 // threshold for time sync [milliseconds]
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#define TIME_SYNC_FRAME_LENGTH 0x07 // timeserver answer frame length [bytes]
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#define TIME_SYNC_FIXUP 16 // empirical calibration to fixup processing time [milliseconds]
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#define TIMEREQUEST_MAX_SEQNO 0xfe // threshold for wrap around seqno
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#define TIMEREQUEST_FINISH \
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(TIMEREQUEST_MAX_SEQNO + 1) // marker for end of timesync handshake
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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 send_timesync_req(void);
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int recv_timesync_ans(const uint8_t buf[], uint8_t buf_len);
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void process_timesync_req(void *taskparameter);
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void store_timestamp(uint32_t timestamp, timesync_t timestamp_type);
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#endif
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