Revision 1:6f7f146715e4, committed 2018-12-07

Comitter:

franceslee0518

Date:

Fri Dec 07 18:54:26 2018 +0000

Parent:

0:4a917644acc4

Commit message:

iWeather (Frances, Sherry)

Changed in this revision

diff -r 4a917644acc4 -r 6f7f146715e4 4DGL-uLCD-SE.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/4DGL-uLCD-SE.lib	Fri Dec 07 18:54:26 2018 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#e39a44de229a

diff -r 4a917644acc4 -r 6f7f146715e4 HTTPClient.lib
--- a/HTTPClient.lib	Fri May 25 00:57:24 2012 +0000
+++ b/HTTPClient.lib	Fri Dec 07 18:54:26 2018 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/donatien/code/HTTPClient/#d0be6af2d1db
+https://os.mbed.com/users/mamezu/code/HTTPClient/#62fac7f06c8d

diff -r 4a917644acc4 -r 6f7f146715e4 emic2.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emic2.h	Fri Dec 07 18:54:26 2018 +0000
@@ -0,0 +1,41 @@
+#define speakf printf
+class emic2 : public Stream
+{
+public :
+    emic2(PinName tx, PinName rx): _cmd(tx,rx) {
+        _cmd.baud(9600);
+        _cmd.putc('X'); //stop talking if reset and not a power on
+        _cmd.putc('\r'); // Send a CR in case the system is already up
+        wait(1); //delay for emic power on boot or reset respone
+        while (_cmd.getc() != ':');   // When the Emic 2 has initialized and is ready, it will send a single ':'
+        while (_cmd.readable()) _cmd.getc();//flush out buffer just in case
+    };
+    void ready() {
+        while (_cmd.getc() != ':');
+        while (_cmd.readable()) _cmd.getc();//flush out recieve buffer just in case
+    };
+    int readable() {
+        return _cmd.readable();
+    };
+    int getc() {
+        return _cmd.getc();
+    }
+    void volume(int x) {
+        speakf("V%D\r",x);
+        ready();
+    }
+    void voice(int x) {
+        speakf("N%D\r",x);
+        ready();
+    }
+protected :
+    Serial     _cmd;
+    //used by printf - supply it and printf works!
+    virtual int _putc(int c) {
+        _cmd.putc(c);
+        return 0;
+    };
+    virtual int _getc() {
+        return -1;
+    };
+};

diff -r 4a917644acc4 -r 6f7f146715e4 main.cpp
--- a/main.cpp	Fri May 25 00:57:24 2012 +0000
+++ b/main.cpp	Fri Dec 07 18:54:26 2018 +0000
@@ -4,11 +4,12 @@
 #include "spdomparser.hpp"
 #include "spxmlnode.hpp"
 #include "spxmlhandle.hpp"
-#include "NokiaLCD.h"
-// 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
+#include "uLCD_4DGL.h"
+#include "emic2.h"
+#define speakf printf
 
-NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6610); // mosi, sclk, cs, rst, type
+uLCD_4DGL lcd(p9,p10,p11); 
+emic2 myTTS(p13, p14);
 EthernetNetIf eth;
 HTTPClient http;
 HTTPResult result;
@@ -18,32 +19,110 @@
     completed = true;
 }
 
-void parseWeather(SP_XmlElementNode *node) {
-    //extracts current weather XML data fields for LCD
-    SP_XmlHandle handle(node);
-    SP_XmlElementNode * condition = handle.getChild( "condition" ).toElement();
+// RGB Setup
+class LEDColor
+{
+public:
+    LEDColor(float r, float g, float b);
+    float red;
+    float green;
+    float blue;
+};
+LEDColor:: LEDColor(float r, float g, float b)
+    : red(r), green(g), blue(b)
+{
+}
+//Operator overload to adjust brightness with no color change
+LEDColor operator * (const LEDColor& x, const float& b)
+{
+    return LEDColor(x.red*b,x.green*b,x.blue*b);
+}
+//Operator overload to add colors
+LEDColor operator + (const LEDColor& x, const LEDColor& y)
+{
+    return LEDColor(x.red+y.red,x.green+y.green,x.blue+y.blue);
+}
+
+//Class to control an RGB LED using three PWM pins
+class RGBLed
+{
+public:
+    RGBLed(PinName redpin, PinName greenpin, PinName bluepin);
+    void write(float red,float green, float blue);
+    void write(LEDColor c);
+    RGBLed operator = (LEDColor c) {
+        write(c);
+        return *this;
+    };
+private:
+    PwmOut _redpin;
+    PwmOut _greenpin;
+    PwmOut _bluepin;
+};
+
+RGBLed::RGBLed (PinName redpin, PinName greenpin, PinName bluepin)
+    : _redpin(redpin), _greenpin(greenpin), _bluepin(bluepin)
+{
+    //50Hz PWM clock default a bit too low, go to 2000Hz (less flicker)
+    _redpin.period(0.0005);
+}
+
+void RGBLed::write(float red,float green, float blue)
+{
+    _redpin = red;
+    _greenpin = green;
+    _bluepin = blue;
+}
+void RGBLed::write(LEDColor c)
+{
+    _redpin = c.red;
+    _greenpin = c.green;
+    _bluepin = c.blue;
+}
+
+
+RGBLed myRGBled(p23,p22,p21);
+const LEDColor blue(0.0,0.0,1.0);
+const LEDColor yellow(0.2,1.0,0.0);
+//Setup a new class for TMP36 sensor
+class TMP36
+{
+public:
+    TMP36(PinName pin);
+    TMP36();
+    operator float ();
+    float read();
+private:
+//class sets up the AnalogIn pin
+    AnalogIn _pin;
+};
+
+TMP36::TMP36(PinName pin) : _pin(pin)
+{
+// _pin(pin) means pass pin to the AnalogIn constructor
+}
+
+float TMP36::read()
+{
+//convert sensor reading to temperature in degrees C
+    return ((_pin.read()*3.3)-0.500)*100.0;
+}
+//overload of float conversion (avoids needing to type .read() in equations)
+TMP36::operator float ()
+{
+//convert sensor reading to temperature in degrees C
+    return ((_pin.read()*3.3)-0.500)*100.0;
+}
+
+//use the new class to set p15 to analog input to read and convert TMP36 sensor's voltage output
+TMP36 myTMP36(p15);
+
+int main() {
+    lcd.background_color(WHITE);
+    lcd.textbackground_color(WHITE);
     lcd.cls();
     lcd.locate(0,2);
-    lcd.printf("LA:");
-    if (condition) {
-        lcd.printf("%s ",condition->getAttrValue("data"));
-    }
-    SP_XmlElementNode * tempf = handle.getChild( "temp_f" ).toElement();
-    if (tempf) {
-        lcd.printf(" %sF",tempf->getAttrValue("data"));
-    }
-    SP_XmlElementNode * humidity = handle.getChild( "humidity" ).toElement();
-    if (humidity) {
-        lcd.locate(0,3);
-        lcd.printf("%s",humidity->getAttrValue("data"));
-    }
-}
-
-int main() {
-    // 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(0,2);
+    lcd.color(BLACK);
     lcd.printf("net setup");
     lcd.locate(0,3);
     EthernetErr ethErr = eth.setup();
@@ -57,15 +136,14 @@
     HTTPStream stream;
 
     char BigBuf[512 + 1] = {0};
-    stream.readNext((byte*)BigBuf, 512); //Point to buffer for the first read
-    //Google Weather API for Los Angeles - get web page with XML
-    HTTPResult r = http.get("http://www.google.com/ig/api?weather=Los+Angeles", &stream, request_callback);
+    stream.readNext((byte*)BigBuf, 512);
+    HTTPResult r = http.get("http://api.openweathermap.org/data/2.5/weather?q=Atlanta,us&appid=8df1acdaba0957258c46ced41ce2eedc&mode=xml", &stream, request_callback);
     while (!completed) {
-        Net::poll(); //Polls the Networking stack
+        Net::poll(); 
         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
+            BigBuf[stream.readLen()] = 0; 
+            parser.append( BigBuf, strlen(BigBuf)); 
+            stream.readNext((byte*)BigBuf, 512); 
         }
     }
     lcd.cls();
@@ -73,18 +151,70 @@
     if (result == HTTP_OK) {
         lcd.printf(" Read complete");
     } else {
-        lcd. printf(" Error %d", result);
+        lcd.printf(" Error %d", http.getHTTPResponseCode());
         return -1;
     }
 
     SP_XmlHandle rootHandle( parser.getDocument()->getRootElement() );
-    SP_XmlElementNode * child2 = rootHandle.getChild( "weather" )
-                                 .getChild( "current_conditions").toElement();
-    if ( child2 ) {
-        parseWeather(child2); //parses XML "current-conditions" info
+    //temp
+    SP_XmlElementNode * temp = rootHandle.getChild(1).toElement();
+    lcd.cls();
+    lcd.locate(0,1);
+    lcd.text_bold(ON);
+    lcd.text_char('A', 0, 1, BLACK);
+    lcd.text_bold(ON);
+    lcd.text_char('T', 1, 1, BLACK);
+    lcd.text_bold(ON);
+    lcd.text_char('L', 2, 1, BLACK);
+    lcd.locate(0,2);
+    float mytmp = myTMP36/10;
+    lcd.printf("Indoor Temp: %5.1FC", mytmp);
+    lcd.locate(0,3);
+    //temperature
+    float temperature = atof(temp->getAttrValue("value"))-273.15;
+    lcd.printf("Outdoor Temp: %.1f C ", temperature );
+    //humidity
+    SP_XmlElementNode * humidity = rootHandle.getChild(2).toElement();
+    lcd.locate(0,5);
+    string humid = humidity->getAttrValue("value");
+    lcd.printf("Humidity: %s%% ", humid);
+    //condition
+    SP_XmlElementNode * condition = rootHandle.getChild(8).toElement();
+    string cond = condition->getAttrValue("value");
+    //wind
+    lcd.locate(0,7);
+    SP_XmlElementNode * wind = rootHandle.getChild(4).getChild(0).toElement();
+    string windy = wind->getAttrValue("name");
+    lcd.printf("Weather: %s & %s ", cond, windy);
+    //rain
+    SP_XmlElementNode * rain = rootHandle.getChild(7).toElement();
+    string rainy = rain->getAttrValue("mode");
+    
+    // RGB: Blue if raining, yellow if not raining
+    if (rainy.compare("yes")) {
+        myRGBled = blue; //blue
+    } else if (rainy.compare("no")) {
+        myRGBled = yellow; //yellow
     }
-
-    if ( NULL != parser.getError() ) {
-        lcd.printf( "\n error: %s\n", parser.getError() );
+    
+    myTTS.volume(10);
+    myTTS.voice(6);
+    myTTS.speakf("SThe current indoor temperature is %5.2f degrees. The current outdoor temperature is %.2f degrees with %s percent humidity. Currently the weather condition is %s with %s\r", mytmp, temperature, humid, cond, windy);
+    myTTS.ready();
+    if (temperature < 15.0) {
+        myTTS.speakf("SBring a jacket with you\r");
+        myTTS.ready();
+    } else if(temperature > 25.0) {
+        myTTS.speakf("SIt's hot outside, bring water with you\r");
+        myTTS.ready();
+    } else {
+        myTTS.speakf("SThe temperature is pleasant outside\r");
+        myTTS.ready();
     }
+    if (rainy == "yes") {
+        myTTS.speakf("SBring your rain gear with you. It is currently raining outside.\r");
+        myTTS.ready();
+    }
+    
+    myRGBled.write(0.0, 0.0, 0.0);
 }