Paul Staron / NTPclient

OS5.15 complaint NTP library

Dependents:   Firebase-Example TCP-NTP-Server TCP-NTP-Server-OS5depreciated

NTPclient.h@1:a97d143dd94e, 2020-06-01 (annotated)

Committer:
star297
Date:
Mon Jun 01 16:16:42 2020 +0000
Revision:
1:a97d143dd94e
Parent:
0:3854dc7bd4de 
added DST

Who changed what in which revision?

UserRevisionLine numberNew contents of line
star297 0:3854dc7bd4de 1
star297 0:3854dc7bd4de 2 #include "mbed.h"
star297 0:3854dc7bd4de 3
star297 0:3854dc7bd4de 4 #ifndef NTPCLIENT_H
star297 0:3854dc7bd4de 5 #define NTPCLIENT_H
star297 0:3854dc7bd4de 6
star297 0:3854dc7bd4de 7 #include <stdint.h>
star297 0:3854dc7bd4de 8 #include "UDPSocket.h"
star297 0:3854dc7bd4de 9 #include "NetworkInterface.h"
star297 0:3854dc7bd4de 10
star297 0:3854dc7bd4de 11 #define NTP_DEFAULT_PORT 123
star297 0:3854dc7bd4de 12 #define NTP_DEFAULT_TIMEOUT 4000
star297 0:3854dc7bd4de 13 #define NTP_DEFAULT_TIMEZONE_OFFSET 0
star297 0:3854dc7bd4de 14
star297 0:3854dc7bd4de 15 class NTPclient
star297 0:3854dc7bd4de 16 {
star297 0:3854dc7bd4de 17 public:
star297 0:3854dc7bd4de 18 NTPclient(NetworkInterface & _m_intf);
star297 1:a97d143dd94e 19 // Get current time in seconds (blocking)
star297 0:3854dc7bd4de 20 // Update the time using the server host
star297 0:3854dc7bd4de 21 // Blocks until completion
star297 0:3854dc7bd4de 22 // NTPpool, NTP server IPv4 address or hostname (will be resolved via DNS)
star297 0:3854dc7bd4de 23 // tzoffset, offset in seconds (3600 add 1 hour, -3600 subtract 1 hour)
star297 0:3854dc7bd4de 24 // dst, adjust for DST 1= enabled, 0=dissabled
star297 0:3854dc7bd4de 25 // setRTC, set system RTC 1= enabled, 0=dissabled
star297 0:3854dc7bd4de 26
star297 0:3854dc7bd4de 27 uint32_t getNTP(const char* NTPpool, uint32_t tzoffset, bool dst, bool setRTC);
star297 0:3854dc7bd4de 28
star297 0:3854dc7bd4de 29 private:
star297 0:3854dc7bd4de 30 struct NTPPacket
star297 0:3854dc7bd4de 31 {
star297 0:3854dc7bd4de 32 //We are in LE Network is BE
star297 0:3854dc7bd4de 33 //LSb first
star297 0:3854dc7bd4de 34 unsigned mode : 3;
star297 0:3854dc7bd4de 35 unsigned vn : 3;
star297 0:3854dc7bd4de 36 unsigned li : 2;
star297 0:3854dc7bd4de 37
star297 0:3854dc7bd4de 38 uint8_t stratum;
star297 0:3854dc7bd4de 39 uint8_t poll;
star297 0:3854dc7bd4de 40 uint8_t precision;
star297 0:3854dc7bd4de 41
star297 0:3854dc7bd4de 42 //32 bits header
star297 0:3854dc7bd4de 43 uint32_t rootDelay;
star297 0:3854dc7bd4de 44 uint32_t rootDispersion;
star297 0:3854dc7bd4de 45 uint32_t refId;
star297 0:3854dc7bd4de 46 uint32_t refTm_s;
star297 0:3854dc7bd4de 47 uint32_t refTm_f;
star297 0:3854dc7bd4de 48 uint32_t origTm_s;
star297 0:3854dc7bd4de 49 uint32_t origTm_f;
star297 0:3854dc7bd4de 50 uint32_t rxTm_s;
star297 0:3854dc7bd4de 51 uint32_t rxTm_f;
star297 0:3854dc7bd4de 52 uint32_t txTm_s;
star297 0:3854dc7bd4de 53 uint32_t txTm_f;
star297 0:3854dc7bd4de 54 } __attribute__ ((packed));
star297 0:3854dc7bd4de 55
star297 0:3854dc7bd4de 56 NetworkInterface & m_intf; // WiFi interface
star297 0:3854dc7bd4de 57 UDPSocket m_sock;
star297 0:3854dc7bd4de 58 };
star297 0:3854dc7bd4de 59 #endif /* NTPCLIENT_H_ */