bcf90edd1f
Allow the use of the NTP server address, set by dhcpv4 option, by the net_init_clock_via_sntp function. Signed-off-by: Fin Maaß <f.maass@vogl-electronic.com>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright (c) 2019 Linaro Limited
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/logging/log.h>
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LOG_MODULE_DECLARE(net_config, CONFIG_NET_CONFIG_LOG_LEVEL);
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#include <errno.h>
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#include <zephyr/net/sntp.h>
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#include <zephyr/posix/time.h>
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static int sntp_init_helper(struct sntp_time *tm)
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{
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#ifdef CONFIG_NET_CONFIG_SNTP_INIT_SERVER_USE_DHCPV4_OPTION
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struct net_if *iface = net_if_get_default();
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if (!net_ipv4_is_addr_unspecified(&iface->config.dhcpv4.ntp_addr)) {
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struct sockaddr_in sntp_addr = {0};
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sntp_addr.sin_family = AF_INET;
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sntp_addr.sin_addr.s_addr = iface->config.dhcpv4.ntp_addr.s_addr;
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return sntp_simple_addr((struct sockaddr *)&sntp_addr, sizeof(sntp_addr),
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CONFIG_NET_CONFIG_SNTP_INIT_TIMEOUT, tm);
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}
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LOG_INF("SNTP address not set by DHCPv4, using Kconfig defaults");
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#endif /* NET_CONFIG_SNTP_INIT_SERVER_USE_DHCPV4_OPTION */
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return sntp_simple(CONFIG_NET_CONFIG_SNTP_INIT_SERVER,
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CONFIG_NET_CONFIG_SNTP_INIT_TIMEOUT, tm);
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}
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int net_init_clock_via_sntp(void)
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{
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struct sntp_time ts;
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struct timespec tspec;
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int res = sntp_init_helper(&ts);
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if (res < 0) {
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LOG_ERR("Cannot set time using SNTP");
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return res;
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}
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tspec.tv_sec = ts.seconds;
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tspec.tv_nsec = ((uint64_t)ts.fraction * (1000 * 1000 * 1000)) >> 32;
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res = clock_settime(CLOCK_REALTIME, &tspec);
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return 0;
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}
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