diff options
Diffstat (limited to 'contrib/examples/sntp')
| -rw-r--r-- | contrib/examples/sntp/sntp_example.c | 66 | ||||
| -rw-r--r-- | contrib/examples/sntp/sntp_example.h | 45 |
2 files changed, 111 insertions, 0 deletions
diff --git a/contrib/examples/sntp/sntp_example.c b/contrib/examples/sntp/sntp_example.c new file mode 100644 index 00000000000..e9f6ac86c93 --- /dev/null +++ b/contrib/examples/sntp/sntp_example.c @@ -0,0 +1,66 @@ +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * This file is part of the lwIP TCP/IP stack. + * + * Author: Dirk Ziegelmeier <dziegel@gmx.de> + * + */ + +#include <time.h> + +#include "lwip/opt.h" +#include "lwip/apps/sntp.h" +#include "sntp_example.h" +#include "lwip/netif.h" + +void +sntp_set_system_time(u32_t sec) +{ + char buf[32]; + struct tm current_time_val; + time_t current_time = (time_t)sec; + +#if defined(_WIN32) || defined(WIN32) + localtime_s(¤t_time_val, ¤t_time); +#else + localtime_r(¤t_time, ¤t_time_val); +#endif + + strftime(buf, sizeof(buf), "%d.%m.%Y %H:%M:%S", ¤t_time_val); + LWIP_PLATFORM_DIAG(("SNTP time: %s\n", buf)); +} + +void +sntp_example_init(void) +{ + sntp_setoperatingmode(SNTP_OPMODE_POLL); +#if LWIP_DHCP + sntp_servermode_dhcp(1); /* get SNTP server via DHCP */ +#else /* LWIP_DHCP */ +#if LWIP_IPV4 + sntp_setserver(0, netif_ip_gw4(netif_default)); +#endif /* LWIP_IPV4 */ +#endif /* LWIP_DHCP */ + sntp_init(); +} diff --git a/contrib/examples/sntp/sntp_example.h b/contrib/examples/sntp/sntp_example.h new file mode 100644 index 00000000000..94fc10db217 --- /dev/null +++ b/contrib/examples/sntp/sntp_example.h @@ -0,0 +1,45 @@ +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * This file is part of the lwIP TCP/IP stack. + * + * Author: Dirk Ziegelmeier <dziegel@gmx.de> + * + */ + +#ifndef SNTP_EXAMPLE_H +#define SNTP_EXAMPLE_H + +#ifdef __cplusplus +extern "C" { +#endif + +void sntp_example_init(void); + +void sntp_set_system_time(u32_t sec); + +#ifdef __cplusplus +} +#endif + +#endif /* SNTP_EXAMPLE_H */ |