Diff: main.cpp

Revision:

0:75e0dfa208d7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 08 21:54:07 2017 +0000
@@ -0,0 +1,122 @@
+#include "mbed.h"
+#include "NTPClient.h"
+#include "uLCD_4DGL.h"
+#include "EthernetInterface.h"
+#include "HTTPClient.h"
+ 
+//SET UP ULCD
+EthernetInterface eth;
+uLCD_4DGL uLCD(p28,p27,p11); // serial tx, serial rx, reset pin;
+NTPClient ntpClient;
+HTTPClient httpClient;
+void parse(char buffer[], int *j, char *string); //FUNCTION TO PARSE HTTP GET DATA
+char httpGetData[200]; //BUFFER TO HOLD DATA FROM HTTP GET REQUEST
+ 
+ 
+ 
+ 
+int main() {
+    time_t ctTime; //system time structure
+    uLCD.baudrate(2000000); //Crank up Baudrate
+    uLCD.cls();    //Clear uLCD screen
+    uLCD.background_color(BLACK); //SET BACKGROUND COLOR TO WHITE
+    //SETS THE BACKGROUND COLOR OF TEXT TO WHITE ON THE ULCD
+    uLCD.textbackground_color(BLACK);
+    uLCD.locate(0,0);  //Start printing on col0, row0
+    uLCD.printf("Getting IP Address\n"); //Print to uLCD
+    eth.init(); //USE DHCP to get local IP address
+    eth.connect(); //Connect to the network
+    uLCD.printf("IP ADDRESS is %s\n",eth.getIPAddress()); //Get Ethernet Address and display It on ULCD
+    wait(3.0);
+    char success[10]={0};  //success first
+    char countryFull[20]={0}; //Full Country Name
+    char countryAbrv[5]={0}; //Abbreviated Country Name or country Code
+    char stateAbrv[5]={0}; //Abbreviated State or region code
+    char stateFull[15]={0}; //Full State Name
+    char city[15]={0}; //City Name
+    char zip[6]={0}; //ZIP CODE
+    char latitude[10]={0}; //latitude
+    char longitude[10]={0}; //longitude
+    char timeZone[30]={0}; //timeZone
+    int j=0;
+    uLCD.printf("Getting Geolocation Data\n");
+    //HANDLES THE HTTP GET REQUEST THE WAY THE FUNCTION IS CALLED HERE IS THE FOLLOWING
+    // get(DOMAIN_NAME,BUFFER,TIMEOUT_VAL)
+    //DOMAIN_NAME= domain name that get request is sent to
+    //BUFFER= buffer to store data returned from the server
+    //TIMEOUT_VAL= Time before the request times out
+    HTTPResult r = httpClient.get("http://ip-api.com/csv",httpGetData,128); //GET GEOLOCATION DATA (CSV)
+    
+    if (r==HTTP_OK) { //IF THE DATA WAS RECIEVED
+        j=0;
+        //parse and display each of the API's location information strings on the LCD
+        parse(httpGetData, &j, success); 
+        parse(httpGetData,&j,countryFull);
+        parse(httpGetData,&j,countryAbrv);
+        parse(httpGetData,&j,stateAbrv);
+        parse(httpGetData,&j,stateFull);
+        parse(httpGetData,&j,city);
+        parse(httpGetData,&j,zip);
+        parse(httpGetData,&j,latitude);
+        parse(httpGetData,&j,longitude);
+        parse(httpGetData,&j,timeZone);
+        uLCD.cls();
+        uLCD.printf("GEOLOCATION DATA RECIEVED\n");  
+    } 
+    else { //HTTP GET REQUEST ERRORED
+        uLCD.cls();
+        uLCD.printf("HTTP Error %d", r);
+        return -1;
+    }
+    uLCD.printf("Reading Time...\n");
+    char* domainName="us.pool.ntp.org"; //SET TO DOMAIN NAME OF SERVER GETTING TIME FROM
+    //GETS THE TIME FROM THE SERVER
+    //setTime(DOMAIN_NAME,PORT_NUMBER,TIME_OUT)
+    //DOMAIN_NAME= domain name
+    //PORT NUMBER=port number (123 for NTP)
+    //TIME_OUT= timeout value for request
+    ntpClient.setTime(domainName,123,0x00005000);
+    uLCD.printf("Time Set\n");
+    //Delay for human time to read LCD display
+    wait(3.0);
+    uLCD.cls();
+    //SETS THE BACKGROUND COLOR OF TEXT TO WHITE ON THE ULCD
+    uLCD.textbackground_color(BLACK);
+    char buffer[80]; //BUFFER TO HOLD FORMATTED TIME DATA
+    uLCD.color(BLUE);//SET TEXT COLOR TO BLUE
+    uLCD.locate(0,8);
+    uLCD.printf("%s, %s %s\n",city,stateAbrv,zip); //PRINT CITY STATE AND ZIP INFORMATION
+    uLCD.printf("%s\nLAT:%s\nLONG:%s\n",countryAbrv,latitude,longitude); //PRINT COUNTRY and LATITUDE AND LONGITUDE 
+    uLCD.printf("Timezone:\n%s",timeZone); //PRINT TIMEZONE
+    uLCD.color(RED);
+    eth.disconnect(); //DISCONNECT FROM THE NETWORK 
+    uLCD.text_height(2); //2x Text Height
+    while (1) {
+        // loop and periodically update the LCD's time display
+        uLCD.locate(0,0);
+        ctTime = time(NULL)-(3600*4);  //TIME with offset for eastern time US
+        //FORMAT TIME FOR DISPLAY AND STORE FORMATTED RESULT IN BUFFER
+        strftime(buffer,80,"%a %b %d\n%T %p %z\n %Z\n",localtime(&ctTime));
+        uLCD.printf("Univ Time Clock\n%s", buffer);
+        wait(.1);
+    }  
+}
+ 
+ 
+ 
+ 
+ 
+ 
+//SET FOR CSV FORMAT: NEEDS TO BE EDITED IF DIFFERENT FORMAT
+void parse(char buffer[], int *j, char *string) {
+//extracts next location string data item from buffer
+    int i=0;
+    for (i=0; i<=strlen(buffer); i++) {  //TOTAL SIZE OF RETURNED DATA
+        if ((buffer[*j+i] == ',')||(buffer[*j+i] == '\0' )) { //IF comma or end of string
+            //comma is the string field delimiter
+            string[i]=0; //SETS END OF SRTRING TO 0
+            *j=*j+i+1; //UPDATES to 1 after comma seperated value
+            break;
+        } else string[i]=buffer[*j+i]; //Keep adding to the string
+    }
+}
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