Paul Rabbat / Mbed 2 deprecated WirelessUTC

ECE4180 Lab 4

Dependencies:   4DGL-uLCD-SE NTPClient WiflyInterface mbed

Fork of Wifly_HelloWorld by Samuel Mokrani

main.cpp@6:9e564d0336a8, 2014-10-20 (annotated)

Committer:
prabbat3
Date:
Mon Oct 20 17:23:49 2014 +0000
Revision:
6:9e564d0336a8
Parent:
5:867d16e948eb 
WirelessUTC

Who changed what in which revision?

UserRevisionLine numberNew contents of line
prabbat3 6:9e564d0336a8 1 /**
prabbat3 6:9e564d0336a8 2 * Paul Rabbat (prabbat3@gatech.edu) and Himanshu Pandey (hpandey3@gatech.edu)
prabbat3 6:9e564d0336a8 3 * ECE4180 - Georgia Institute of Technology
prabbat3 6:9e564d0336a8 4 * Lab 4
prabbat3 6:9e564d0336a8 5 * October 21, 2014
prabbat3 6:9e564d0336a8 6 */
prabbat3 6:9e564d0336a8 7
samux 0:90ba0f51aa64 8 #include "mbed.h"
samux 3:3b84102f022e 9 #include "WiflyInterface.h"
prabbat3 6:9e564d0336a8 10 #include "NTPClient.h"
prabbat3 6:9e564d0336a8 11 #include "uLCD_4DGL.h"
samux 1:49e1e9ed6e39 12
samux 1:49e1e9ed6e39 13 /* wifly object where:
samux 1:49e1e9ed6e39 14 * - p9 and p10 are for the serial communication
samux 3:3b84102f022e 15 * - p25 is for the reset pin
samux 3:3b84102f022e 16 * - p26 is for the connection status
samux 1:49e1e9ed6e39 17 * - "mbed" is the ssid of the network
samux 1:49e1e9ed6e39 18 * - "password" is the password
samux 5:867d16e948eb 19 * - WPA is the security
samux 1:49e1e9ed6e39 20 */
prabbat3 6:9e564d0336a8 21 WiflyInterface wifly(p9, p10, p25, p26, "Los Pollos Hermanos", "", NONE);
samux 0:90ba0f51aa64 22
prabbat3 6:9e564d0336a8 23 //SET UP ULCD
prabbat3 6:9e564d0336a8 24 uLCD_4DGL uLCD(p28, p27, p29); // serial tx, serial rx, reset pin;
prabbat3 6:9e564d0336a8 25 NTPClient ntpClient;
prabbat3 6:9e564d0336a8 26
samux 1:49e1e9ed6e39 27 int main() {
prabbat3 6:9e564d0336a8 28 time_t ctTime; //system time structure
prabbat3 6:9e564d0336a8 29 uLCD.baudrate(2000000); //Crank up Baudrate
prabbat3 6:9e564d0336a8 30 uLCD.cls(); //Clear uLCD screen
prabbat3 6:9e564d0336a8 31 uLCD.background_color(BLACK); //SET BACKGROUND COLOR TO WHITE
prabbat3 6:9e564d0336a8 32 //SETS THE BACKGROUND COLOR OF TEXT TO WHITE ON THE ULCD
prabbat3 6:9e564d0336a8 33 uLCD.textbackground_color(BLACK);
prabbat3 6:9e564d0336a8 34 uLCD.locate(0,0); //Start printing on col0, row0
prabbat3 6:9e564d0336a8 35 uLCD.printf("Getting IP Address\n"); //Print to uLCD
prabbat3 6:9e564d0336a8 36 wifly.init(); //USE DHCP to get local IP address
prabbat3 6:9e564d0336a8 37 wifly.connect(); //Connect to the network
prabbat3 6:9e564d0336a8 38 uLCD.printf("IP ADDRESS is %s\n",wifly.getIPAddress()); //Get Ethernet Address and display It on ULCD
prabbat3 6:9e564d0336a8 39 wait(3.0);
prabbat3 6:9e564d0336a8 40 uLCD.printf("Reading Time...\n");
prabbat3 6:9e564d0336a8 41 char* domainName="us.pool.ntp.org"; //SET TO DOMAIN NAME OF SERVER GETTING TIME FROM
prabbat3 6:9e564d0336a8 42 //GETS THE TIME FROM THE SERVER
prabbat3 6:9e564d0336a8 43 //setTime(DOMAIN_NAME,PORT_NUMBER,TIME_OUT)
prabbat3 6:9e564d0336a8 44 //DOMAIN_NAME= domain name
prabbat3 6:9e564d0336a8 45 //PORT NUMBER=port number (123 for NTP)
prabbat3 6:9e564d0336a8 46 //TIME_OUT= timeout value for request
prabbat3 6:9e564d0336a8 47 ntpClient.setTime(domainName,123,0x00005000);
prabbat3 6:9e564d0336a8 48 uLCD.printf("Time Set\n");
prabbat3 6:9e564d0336a8 49 //Delay for human time to read LCD display
prabbat3 6:9e564d0336a8 50 wait(3.0);
prabbat3 6:9e564d0336a8 51 uLCD.cls();
prabbat3 6:9e564d0336a8 52 //SETS THE BACKGROUND COLOR OF TEXT TO WHITE ON THE ULCD
prabbat3 6:9e564d0336a8 53 uLCD.textbackground_color(BLACK);
prabbat3 6:9e564d0336a8 54 char buffer[80]; //BUFFER TO HOLD FORMATTED TIME DATA
prabbat3 6:9e564d0336a8 55 uLCD.color(RED);
prabbat3 6:9e564d0336a8 56 wifly.disconnect(); //DISCONNECT FROM THE NETWORK
prabbat3 6:9e564d0336a8 57 uLCD.text_height(2); //2x Text Height
prabbat3 6:9e564d0336a8 58 while (1) {
prabbat3 6:9e564d0336a8 59 // loop and periodically update the LCD's time display
prabbat3 6:9e564d0336a8 60 uLCD.locate(0,0);
prabbat3 6:9e564d0336a8 61 ctTime = time(NULL)-(3600*4); //TIME with offset for eastern time US
prabbat3 6:9e564d0336a8 62 //FORMAT TIME FOR DISPLAY AND STORE FORMATTED RESULT IN BUFFER
prabbat3 6:9e564d0336a8 63 strftime(buffer,80,"%a %b %d\n%T %p %z\n %Z\n",localtime(&ctTime));
prabbat3 6:9e564d0336a8 64 uLCD.printf("Univ Time Clock\n%s", buffer);
prabbat3 6:9e564d0336a8 65 wait(.1);
prabbat3 6:9e564d0336a8 66 }
samux 1:49e1e9ed6e39 67 }