jim hamblen / Mbed 2 deprecated Internet_Nokia_LCD_Clock

Mbed clock is set using NTP and UTC displayed on Nokia LCD. Seehttp://mbed.org/users/4180_1/notebook/internet-nokia-lcd-clock/

Dependencies:   EthernetNetIf NTPClient_NetServices mbed

Internet_LCD_Clock.cpp@0:da7f4b6d2b7c, 2012-05-25 (annotated)

Committer:
4180_1
Date:
Fri May 25 00:41:26 2012 +0000
Revision:
0:da7f4b6d2b7c

        

        
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#include "mbed.h"





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#include "EthernetNetIf.h"





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#include "NTPClient.h"





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#include "NokiaLCD.h"





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// Internet of Things clock example: LCD time is set via internet NTP time server





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EthernetNetIf eth;





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NTPClient ntp;





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NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6610); // mosi, sclk, cs, rst, type





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int main() {





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//system time structure





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    time_t ctTime;





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    char *time_str;





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    //clear LCD





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    lcd.cls();





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    lcd.locate(0,2);





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    // lcd.printf prints to LCD display;





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    lcd.printf("Get IP addr...");





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    EthernetErr ethErr = eth.setup();





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    //Get an Internet IP address using DHCP





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    if (ethErr) {





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        //error or timeout getting an IP address





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        lcd.cls();





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        lcd.locate(0,2);





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        lcd.printf("Net Error %d",ethErr);





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        return -1;





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    }





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    lcd.locate(0,3);





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    lcd.printf("Reading Time...");





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    //specify time server URL





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    Host server(IpAddr(), 123, "0.uk.pool.ntp.org");





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    //Read time from server





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    ntp.setTime(server);





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    lcd.locate(0,4);





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    lcd.printf("Time set");





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    //Delay for human time to read LCD display





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    wait(1);





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    while (1) {





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        // loop and periodically update the LCD's time display





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        lcd.cls();





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        ctTime = time(NULL);





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        lcd.locate(0,1);





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        lcd.printf("UTC:");





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        lcd.locate(0,3);





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        time_str = ctime(&ctTime);





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        time_str[strlen(time_str)-1] = 0;





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        lcd.printf("%s", time_str);





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        wait(1);





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    }





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}