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sntp: allow SNTP_UPDATE_DELAY to be a function

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This commit is contained in:
goldsimon 2017-09-22 06:26:53 +02:00
parent 68d75a58df
commit 0c2d94a283
1 changed files with 7 additions and 3 deletions
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10
src/apps/sntp/sntp.c
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@ -71,9 +71,11 @@
#define SNTP_SUPPORT_MULTIPLE_SERVERS 0
#endif /* NTP_MAX_SERVERS > 1 */
#if (SNTP_UPDATE_DELAY < 15000) && !defined(SNTP_SUPPRESS_DELAY_CHECK)
#ifndef SNTP_SUPPRESS_DELAY_CHECK
#if SNTP_UPDATE_DELAY < 15000
#error "SNTPv4 RFC 4330 enforces a minimum update time of 15 seconds (define SNTP_SUPPRESS_DELAY_CHECK to disable this error)!"
#endif
#endif
/* the various debug levels for this file */
#define SNTP_DEBUG_TRACE (SNTP_DEBUG | LWIP_DBG_TRACE)
@ -499,15 +501,17 @@ sntp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr,
/* Set up timeout for next request (only if poll response was received)*/
if (sntp_opmode == SNTP_OPMODE_POLL) {
u32_t sntp_update_delay;
sys_untimeout(sntp_try_next_server, NULL);
sys_untimeout(sntp_request, NULL);
/* Correct response, reset retry timeout */
SNTP_RESET_RETRY_TIMEOUT();
sys_timeout((u32_t)SNTP_UPDATE_DELAY, sntp_request, NULL);
sntp_update_delay = (u32_t)SNTP_UPDATE_DELAY;
sys_timeout(sntp_update_delay, sntp_request, NULL);
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_recv: Scheduled next time request: %"U32_F" ms\n",
(u32_t)SNTP_UPDATE_DELAY));
sntp_update_delay));
}
} else if (err == SNTP_ERR_KOD) {
/* KOD errors are only processed in case of an explicit poll response */