Paul Staron / W5500-SNTPClient

Lightweight WIZnet W5500 NTPClient library. Includes DST and set RTC options.

Dependents:   W5500-SNTPClient-example

SNTPClient.h@2:7e5afd34bc43, 2019-05-02 (annotated)

Committer:
star297
Date:
Thu May 02 21:08:19 2019 +0000
Revision:
2:7e5afd34bc43
Parent:
1:a4f83daca033 
Edit example code

Who changed what in which revision?

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star297 0:f8cb34a007a4 1
star297 0:f8cb34a007a4 2 #ifndef SNTPCLIENT_H
star297 0:f8cb34a007a4 3 #define SNTPCLIENT_H
star297 0:f8cb34a007a4 4
star297 0:f8cb34a007a4 5 #include "mbed.h"
star297 0:f8cb34a007a4 6 #include "UDPSocket.h"
star297 0:f8cb34a007a4 7
star297 0:f8cb34a007a4 8 /** SNTPClient client Class.
star297 0:f8cb34a007a4 9 *
star297 0:f8cb34a007a4 10 * Example (ethernet network):
star297 0:f8cb34a007a4 11 * @code
star297 0:f8cb34a007a4 12 * #include "mbed.h"
star297 0:f8cb34a007a4 13 * #include "EthernetInterface.h"
star297 0:f8cb34a007a4 14 * #include "SNTPClient.h"
star297 0:f8cb34a007a4 15 *
star297 1:a4f83daca033 16 * EthernetInterface eth(MOSI, MISO, SCK, CS, RESET);
star297 0:f8cb34a007a4 17 * SNTPClient sntp;
star297 0:f8cb34a007a4 18 *
star297 0:f8cb34a007a4 19 * int main() {
star297 1:a4f83daca033 20 *
star297 0:f8cb34a007a4 21 * eth.init(); //Use DHCP
star297 0:f8cb34a007a4 22 * eth.connect();
star297 0:f8cb34a007a4 23 * printf("IP Address is %s\n\r", eth.getIPAddress());
star297 0:f8cb34a007a4 24 * // example NTPpool = "1.nl.pool.ntp.org"
star297 0:f8cb34a007a4 25 * // get seconds UTC + 1hour, enable DST and set MCU RTC
star297 2:7e5afd34bc43 26 * serial.printf("Seconds since 1970 = %d\r\n", sntp.getNTP("1.nl.pool.ntp.org",1,1,1));
star297 0:f8cb34a007a4 27 *
star297 0:f8cb34a007a4 28 * }
star297 0:f8cb34a007a4 29 * @endcode
star297 0:f8cb34a007a4 30 */
star297 0:f8cb34a007a4 31
star297 0:f8cb34a007a4 32 class SNTPClient
star297 0:f8cb34a007a4 33 {
star297 0:f8cb34a007a4 34 public:
star297 0:f8cb34a007a4 35
star297 0:f8cb34a007a4 36 SNTPClient();
star297 0:f8cb34a007a4 37
star297 0:f8cb34a007a4 38 /** Get the NTP date and time and set RTC
star297 0:f8cb34a007a4 39 \param NTPpool The NTP server url eg. "2.es.pool.ntp.org"
star297 0:f8cb34a007a4 40 \param tzffset Timezone offset in hours eg. 3, will add 3 hours to UTC time
star297 0:f8cb34a007a4 41 \param dst Double Summer Time enable (EU only) enable=1, disable=0
star297 0:f8cb34a007a4 42 \param setRTC Set MCU RTC if successfull enable=1, disable =0
star297 0:f8cb34a007a4 43 \return the number of seconds since 1970 on success or 0 on failure
star297 0:f8cb34a007a4 44 */
star297 0:f8cb34a007a4 45 uint32_t getNTP(char * NTPpool, uint32_t tzoffset, bool dst, uint32_t setRTC);
star297 0:f8cb34a007a4 46
star297 0:f8cb34a007a4 47 private:
star297 0:f8cb34a007a4 48 UDPSocket socket;
star297 0:f8cb34a007a4 49 Endpoint sntp_server;
star297 0:f8cb34a007a4 50 };
star297 0:f8cb34a007a4 51
star297 0:f8cb34a007a4 52 #endif