Diff: NTPclient.h

Revision:

0:3854dc7bd4de

Child:

1:a97d143dd94e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NTPclient.h	Sun Mar 08 14:32:36 2020 +0000
@@ -0,0 +1,59 @@
+
+#include "mbed.h"
+ 
+#ifndef NTPCLIENT_H
+#define NTPCLIENT_H
+
+#include <stdint.h>
+#include "UDPSocket.h"
+#include "NetworkInterface.h"
+
+#define NTP_DEFAULT_PORT 123
+#define NTP_DEFAULT_TIMEOUT 4000
+#define NTP_DEFAULT_TIMEZONE_OFFSET 0
+
+class NTPclient
+{
+public:  
+    NTPclient(NetworkInterface & _m_intf);
+    // Returns current time in seconds (blocking)
+    // Update the time using the server host
+    // Blocks until completion
+    // NTPpool, NTP server IPv4 address or hostname (will be resolved via DNS)
+    // tzoffset, offset in seconds (3600 add 1 hour, -3600 subtract 1 hour)
+    // dst, adjust for DST 1= enabled, 0=dissabled 
+    // setRTC, set system RTC 1= enabled, 0=dissabled 
+
+    uint32_t getNTP(const char* NTPpool, uint32_t tzoffset, bool dst, bool setRTC); 
+
+private:
+    struct NTPPacket
+    {
+    //We are in LE Network is BE
+    //LSb first
+    unsigned mode : 3;
+    unsigned vn : 3;
+    unsigned li : 2;
+
+    uint8_t stratum;
+    uint8_t poll;
+    uint8_t precision;
+    
+    //32 bits header
+    uint32_t rootDelay;
+    uint32_t rootDispersion;
+    uint32_t refId;
+    uint32_t refTm_s;
+    uint32_t refTm_f;
+    uint32_t origTm_s;
+    uint32_t origTm_f;
+    uint32_t rxTm_s;
+    uint32_t rxTm_f;
+    uint32_t txTm_s;
+    uint32_t txTm_f;
+  } __attribute__ ((packed));
+  
+  NetworkInterface & m_intf;  // WiFi interface  
+  UDPSocket m_sock;
+};
+#endif /* NTPCLIENT_H_ */