Bhavin Darji / Mbed 2 deprecated Eg12_NTPclient_Time_stm32f4test

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Dependencies:   NTPClient mbed-rtos mbed

Fork of Eg12_NTPclient_Time by Edutech IoT Team

main.cpp@2:304943c5e111, 2018-03-22 (annotated)

Committer:
brdarji
Date:
Thu Mar 22 07:35:01 2018 +0000
Revision:
2:304943c5e111
Parent:
1:039c06964ad9 
STM32f4 Eth example;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dwijaybane 1:039c06964ad9 1 #include "mbed.h" // Basic Library required for onchip peripherals
dwijaybane 1:039c06964ad9 2 #include "EthernetInterface.h" // Ethernet Library
dwijaybane 1:039c06964ad9 3 #include "NTPClient.h" // Network Time Protocol client Library
brdarji 2:304943c5e111 4 //#include "C12832_lcd.h" // Library for SPI based LCD
dwijaybane 0:0d3b3b9fd82e 5
dwijaybane 1:039c06964ad9 6 /* Create Objects */
brdarji 2:304943c5e111 7
dwijaybane 1:039c06964ad9 8 EthernetInterface eth; // Initialize Ethernet object
dwijaybane 1:039c06964ad9 9 NTPClient ntp; // Initialize NTP object
brdarji 2:304943c5e111 10 Serial pc(PC_6,PC_7);
brdarji 2:304943c5e111 11 //Serial pc(USBTX,USBRX);
dwijaybane 1:039c06964ad9 12 // For Static IP
brdarji 2:304943c5e111 13 static const char* mbedIp = "192.168.1.160"; //IP
dwijaybane 0:0d3b3b9fd82e 14 static const char* mbedMask = "255.255.255.0"; // Mask
brdarji 2:304943c5e111 15 static const char* mbedGateway = "192.168.1.1"; //Gateway
dwijaybane 0:0d3b3b9fd82e 16
dwijaybane 0:0d3b3b9fd82e 17 int main()
dwijaybane 0:0d3b3b9fd82e 18 {
dwijaybane 0:0d3b3b9fd82e 19 EthernetInterface eth;
brdarji 2:304943c5e111 20 int s = eth.init(); // For DHCP uncomment this line
brdarji 2:304943c5e111 21 // int s = eth.init(mbedIp,mbedMask,mbedGateway); //Use these parameters for static IP
brdarji 2:304943c5e111 22 if( s != NULL )
brdarji 2:304943c5e111 23 {
brdarji 2:304943c5e111 24 pc.printf( "Could not initialise. Will halt!\n\r" );
brdarji 2:304943c5e111 25 exit( 0 );
brdarji 2:304943c5e111 26 }
brdarji 2:304943c5e111 27 s = eth.connect();
brdarji 2:304943c5e111 28 if( s != NULL )
brdarji 2:304943c5e111 29 {
brdarji 2:304943c5e111 30 pc.printf( "Could not connect. Will halt!\n\r" );
brdarji 2:304943c5e111 31 exit( 0 );
brdarji 2:304943c5e111 32 }
brdarji 2:304943c5e111 33 else
brdarji 2:304943c5e111 34 {
brdarji 2:304943c5e111 35 pc.printf( "IP: %s\n\r", eth.getIPAddress() );
brdarji 2:304943c5e111 36 }
brdarji 2:304943c5e111 37 pc.printf("Connected! IP Address is %s\r\n", eth.getIPAddress());
brdarji 2:304943c5e111 38 pc.printf("Trying to update time...\r\n");
dwijaybane 1:039c06964ad9 39 if (ntp.setTime("0.pool.ntp.org") == 0) { // ntp server
brdarji 2:304943c5e111 40 pc.printf("Set time successfully\r\n");
dwijaybane 0:0d3b3b9fd82e 41 while(1) {
brdarji 2:304943c5e111 42
dwijaybane 0:0d3b3b9fd82e 43 time_t ctTime;
dwijaybane 0:0d3b3b9fd82e 44 ctTime = time(NULL);
brdarji 2:304943c5e111 45 pc.printf("%s\r\n", ctime(&ctTime));
brdarji 2:304943c5e111 46 pc.printf("Current Time (UTC)");
dwijaybane 0:0d3b3b9fd82e 47 wait(1);
dwijaybane 0:0d3b3b9fd82e 48 }
dwijaybane 0:0d3b3b9fd82e 49 } else {
brdarji 2:304943c5e111 50 pc.printf("NTP Error\r\n");
dwijaybane 0:0d3b3b9fd82e 51 }
dwijaybane 0:0d3b3b9fd82e 52
dwijaybane 0:0d3b3b9fd82e 53 eth.disconnect();
dwijaybane 0:0d3b3b9fd82e 54
dwijaybane 0:0d3b3b9fd82e 55 while(1) {
dwijaybane 0:0d3b3b9fd82e 56 }
dwijaybane 0:0d3b3b9fd82e 57 }