Diff: main.cpp

Revision:

0:0927a4a6f549

Child:

1:2f7eee3b65ee

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Apr 24 21:08:37 2016 +0000
@@ -0,0 +1,108 @@
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+#include <iostream>
+#include <stdio.h>
+#include <stdlib.h>
+#include "rtos.h"
+DigitalOut myled(LED1);
+DigitalOut myled2(LED2);
+DigitalOut fan(p20);
+#include "emic2.h"
+uLCD_4DGL uLCD(p28, p27, p29);
+emic2 myTTS(p9, p10); //serial RX,TX pins to emic
+//uLCD_4DGL uLCD(p28, p27, p29);
+Serial pc(p13, p14); //this is the xbee
+Serial pc2(USBTX, USBRX); //this is a computer connected to the mbed for testing purposes
+Mutex m;
+class TMP36
+{
+public:
+TMP36(PinName pin);
+TMP36();
+float read();
+private:
+//class sets up the AnalogIn pin
+AnalogIn _pin;
+};
+TMP36::TMP36(PinName pin) : _pin(pin) {} //This is an initializer list … more to come in class
+// _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;
+}
+TMP36 myTMP36(p15);
+
+void ttsThread(void const *args) {
+    printf("starting up\n\r");
+    myTTS.volume(18); //max volume
+    string sentence;
+    char letter;
+    /*
+    Whlie there is stuff in the buffer, continue to take characters out of the buffer
+    and append it to the char array sentence
+    When hit with a punctuation, send to TTS module
+    If we see an *, which is sent by the toggle button, toggle the lamp.
+    Erase sentence when finished with a command
+    Need mutex so serial communications don't interrupt each other.
+    */
+    while(1) {
+        if(pc.readable()){
+            m.lock();
+            myled2 = 1;
+            int a = pc.getc();
+            myled2 = 0;
+            letter = (char)a;
+            sentence = sentence + letter;
+            if(letter == '!' || letter == '.' || letter == '?') {
+                sentence = "S" + sentence + "\r";
+                myTTS.speakf("%s", sentence);
+                myTTS.ready();
+                sentence = "";
+            } else if (letter == '*') {
+                fan = !fan;
+                myled = !myled;
+                sentence = "";   
+            }
+            m.unlock();
+        }
+
+        Thread::wait(1);
+    }
+}
+int main() {
+    Thread thread1(ttsThread);
+    float tempC, tempF;
+    int blue, red, color;
+    while(1) {
+    tempC = myTMP36.read(); //convert to degrees F
+    tempF = (9.0*tempC)/5.0 + 32.0; //print current temp
+    uLCD.cls();
+    red = (tempF) * 2.55;
+    (red <= 0 ? red = 0 : red = red);
+    (red >= 255 ? red = 255 : red = red);
+    blue = 255 - red;
+    red = red << 16;
+    color = red + blue;
+    uLCD.color(color);
+    m.lock();
+    //send through xbee to pc
+    pc.printf("%f\n", tempC);
+    //send through usb for debugging
+    pc2.printf("%f\n\r", tempC);
+    uLCD.printf("%5.2f C \n\n%5.2f F \n\r\n", tempC, tempF);
+    if(tempF < 32) {
+        uLCD.printf("It's cold!");
+    } else if (tempF < 50) {
+        uLCD.printf("It's a little\nchilly!");
+    } else if (tempF < 70) {
+        uLCD.printf("It's not bad out,\nenjoy the day!");
+    } else if (tempF < 85) {
+        uLCD.printf("Ahh room\ntemperature!");
+    } else {
+        uLCD.printf("It's pretty hot!");
+    }
+    m.unlock();
+    Thread::wait(500);
+    }
+}
\ No newline at end of file