File content as of revision 4:fd8c945b8d79:

#include "mbed.h"
#include "EthernetNetIf.h"
#include "HTTPClient.h"
#include "spdomparser.hpp"
#include "spxmlnode.hpp"
#include "spxmlhandle.hpp"
//#include "NokiaLCD.h"
#include "uLCD_4DGL.h"
#include <string>
// Internet of Things weather display example: LCD displays LA current weather via internet Google API
// Adapted for LCD from http://mbed.org/users/hlipka/programs/spxmltest_weather/lif782

//NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6610); // mosi, sclk, cs, rst, type
uLCD_4DGL lcd(p28,p27,p29);
EthernetNetIf eth;
HTTPClient http;
HTTPResult result;
bool completed = false;
void request_callback(HTTPResult r)
{
    result = r;
    completed = true;
}

void parseWeather(SP_XmlElementNode *node, string loc)
{
    //extracts current weather XML data fields for LCD
    SP_XmlHandle handle(node);
    SP_XmlElementNode * condition = handle.getChild( "item" ).getChild("yweather:condition").toElement();
    //lcd.cls();
    // Print the name of the city
    lcd.locate(0,2);
    lcd.printf("%s:", loc);
    //Print the weather conditions
    lcd.locate(0,3);
    lcd.printf("%s",condition->getAttrValue("text"));
    //Print the termperature (in degrees Celcius)
    lcd.locate(0,4);
    lcd.printf("%sF",condition->getAttrValue("temp"));
}

void parseTraffic(SP_XmlElementNode *node)
{
    //extracts current weather XML data fields for LCD
    SP_XmlHandle handle(node);
    SP_XmlElementNode * condition = handle.getChild( "item" ).getChild("yweather:condition").toElement();
    //Print the weather conditions
    lcd.locate(0,5);
    lcd.printf("%s",condition->getAttrValue("realTime"));
}

int weather()
{
    char weather_domain_name[512] = "https://query.yahooapis.com/v1/public/yql?q=select%20item.condition%20from%20weather.forecast%20where%20woeid%20in%20%28select%20woeid%20from%20geo.places%281%29%20where%20text%3D%22atlanta%2C%20ga%22%29%26amp";
    // the eth and HTTP code has be taken directly from the HTTPStream documentation page
    // see http://mbed.org/cookbook/HTTP-Client-Data-Containers
    //lcd.cls();

    lcd.locate(0,1);
    lcd.printf("Weather");

    SP_XmlDomParser parser;
    HTTPStream stream;

    char BigBuf[512 + 1] = {0};
    stream.readNext((byte*)BigBuf, 512); //Point to buffer for the first read
    //Yahoo! weather API for selected city - get XML document for parsing
    HTTPResult r = http.get(weather_domain_name, &stream, request_callback);
    while (!completed) {
        Net::poll(); //Polls the Networking stack
        if (stream.readable()) {
            BigBuf[stream.readLen()] = 0; //Transform this buffer in a zero-terminated char* string
            parser.append( BigBuf, strlen(BigBuf)); // stream current buffer data to the XML parser
            stream.readNext((byte*)BigBuf, 512); //Buffer has been read, now we can put more data in it
        }
    }
    lcd.cls();
    lcd.locate(0,2);
    if (result == HTTP_OK) {
        lcd.printf(" Read complete");
    } else {
        lcd. printf(" Error %d", result);
        return -1;
    }

    SP_XmlHandle rootHandle( parser.getDocument()->getRootElement() );
    SP_XmlElementNode * child2 = rootHandle.getChild( "results" ).getChild( "channel" )
                                 .toElement();

    lcd.printf(BigBuf);
    wait(1);
    lcd.cls();

    if ( child2 ) {
        parseWeather(child2, "Atlanta"); //parses XML "current-conditions" info
    }
    //lcd.printf("help");
    if ( NULL != parser.getError() ) {
        lcd.printf( "\n error: %s\n", parser.getError() );
    }
    return 0;
}

int  traffic()
{
    char traf_domain_name[512] = "https://www.mapquestapi.com/directions/v2/route?key=ZoiBJSzSoqfdNiLD0Z9kZdw4uAN5QUQWzformat=xmlzxml=%3Croute%3E%3Clocations%3E%3Clocation%3E5525%20Vicarage%20WalkzJohns%20Creekz%20GA%3C/location%3E%3Clocation%3E170%205th%20St%20NWzAtlantazGA%3C/location%3E%3C/locations%3E%3C/route%3E";
    //char traf_domain_name[512] = "https://www.mapquestapi.com/directions/v2/route?key=ZoiBJSzSoqfdNiLD0Z9kZdw4uAN5QUQW%26format=xml%26xml=%3Croute%3E%3Clocations%3E%3Clocation%3E5525%20Vicarage%20Walk%2CJohns%20Creek%2C%20GA%3C/location%3E%3Clocation%3E170%205th%20St%20NW%2CAtlanta%2CGA%3C/location%3E%3C/locations%3E%3C/route%3E";
    //char traf_domain_name[512] = "https://www.mapquestapi.com/directions/v2/route?key=ZoiBJSzSoqfdNiLD0Z9kZdw4uAN5QUQW\&format=xml\&xml=%3Croute%3E%3Clocations%3E%3Clocation%3E5525%20Vicarage%20Walk,Johns%20Creek,%20GA%3C/location%3E%3Clocation%3E170%205th%20St%20NW,Atlanta,GA%3C/location%3E%3C/locations%3E%3C/route%3E";
    //char* traf_domain_name;
    //traf_domain_name = [104, 116, 116, 112, 115, 058, 047, 047, 119, 119, 119, 046, 109, 097, 112, 113, 117, 101, 115, 116, 097, 112, 105, 046, 099, 111, 109, 047, 100, 105, 114, 101, 099, 116, 105, 111, 110, 115, 047, 118, 050, 047, 114, 111, 117, 116, 101, 063, 107, 101, 121, 061, 090, 111, 105, 066, 074, 083, 122, 083, 111, 113, 102, 100, 078, 105, 076, 068, 048, 090, 057, 107, 090, 100, 119, 052, 117, 065, 078, 053, 081, 085, 081, 087, 037, 050, 054, 120, 109, 108, 061, 037, 051, 067, 114, 111, 117, 116, 101, 037, 051, 069, 037, 051, 067, 108, 111, 099, 097, 116, 105, 111, 110, 115, 037, 051, 069, 037, 051, 067, 108, 111, 099, 097, 116, 105, 111, 110, 037, 051, 069, 053, 053, 050, 053, 037, 050, 048, 086, 105, 099, 097, 114, 097, 103, 101, 037, 050, 048, 087, 097, 108, 107, 044, 074, 111, 104, 110, 115, 037, 050, 048, 067, 114, 101, 101, 107, 044, 037, 050, 048, 071, 065, 037, 051, 067, 047, 108, 111, 099, 097, 116, 105, 111, 110, 037, 051, 069, 037, 051, 067, 108, 111, 099, 097, 116, 105, 111, 110, 037, 051, 069, 049, 055, 048, 037, 050, 048, 053, 116, 104, 037, 050, 048, 083, 116, 037, 050, 048, 078, 087, 044, 065, 116, 108, 097, 110, 116, 097, 044, 071, 065, 037, 051, 067, 047, 108, 111, 099, 097, 116, 105, 111, 110, 037, 051, 069, 037, 051, 067, 047, 108, 111, 099, 097, 116, 105, 111, 110, 115, 037, 051, 069, 037, 051, 067, 047, 114, 111, 117, 116, 101, 037, 051, 069, 013 010, 013, 010];
    // the eth and HTTP code has be taken directly from the HTTPStream documentation page
    // see http://mbed.org/cookbook/HTTP-Client-Data-Containers
    lcd.printf("hello1");
    traf_domain_name[84] = 38;
    traf_domain_name[95] = 38;
    traf_domain_name[162] = 44;
    traf_domain_name[176] = 44;
    traf_domain_name[162] = 44;
    traf_domain_name[230] = 44;
    traf_domain_name[238] = 44;
    
    lcd.printf("hello2");
    //lcd.cls();
    lcd.locate(0,4);
    lcd.printf("Traffic");

    SP_XmlDomParser parser;
    HTTPStream stream;
    lcd.printf("hello3");
    lcd.printf("%s", traf_domain_name);
    char BigBuf[16384  + 1] = {0};
    stream.readNext((byte*)BigBuf, 16384 ); //Point to buffer for the first read
    //Yahoo! weather API for selected city - get XML document for parsing
    HTTPResult r = http.get(traf_domain_name, &stream, request_callback);
    while (!completed) {
        Net::poll(); //Polls the Networking stack
        if (stream.readable()) {
            BigBuf[stream.readLen()] = 0; //Transform this buffer in a zero-terminated char* string
            parser.append( BigBuf, strlen(BigBuf)); // stream current buffer data to the XML parser
            stream.readNext((byte*)BigBuf, 16384 ); //Buffer has been read, now we can put more data in it
        }
    }
    lcd.locate(0,2);
    if (result == HTTP_OK) {
        lcd.printf(" Read complete");
    } else {
        lcd. printf(" Error %d", result);
        return -1;
    }

    SP_XmlHandle rootHandle( parser.getDocument()->getRootElement() );
    SP_XmlElementNode * child2 = rootHandle.getChild( "route" )
                                 .toElement();
                                 
    lcd.printf(BigBuf);
    wait(2);
    lcd.cls();
    if ( child2 ) {
        parseTraffic(child2); //parses XML "current-conditions" info
    }
    else{
    lcd.printf("no child");
    }
    if ( NULL != parser.getError() ) {
        lcd.printf( "\n error: %s\n", parser.getError() );
    }
    return 0;
}

int main()
{
    
    lcd.locate(0,2);
    lcd.printf("net setup");
    lcd.locate(0,3);
    EthernetErr ethErr = eth.setup(60000);
    if (ethErr) {
        lcd.printf("Error in setup");
        return -1;
    }
    lcd.printf("net ok");
    //weather();
    traffic();
}