Diff: main.cpp

Revision:

0:287adf2a2eb6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jan 25 20:53:07 2016 +0000
@@ -0,0 +1,111 @@
+#include "mbed.h"
+#include "C12832.h"
+
+Serial xbee(D1, D0);                    /* xbee link to device 1 */
+Serial host(USBTX, USBRX);              /* Serial link to PC */
+C12832 lcd(D11, D13, D12, D7, D10);     /* Shield LCD */
+DigitalOut green_led_shield (PTA2);     /**/
+DigitalOut red_led_shield (PTC4);       /* Shield LEDs */
+DigitalOut blue_led_shield (PTA0);      /**/
+PwmOut speaker(D6);                     /* Shield Speaker */
+
+/* Makes the LED red */
+void makeLEDRed (void)
+{
+    green_led_shield = 0;
+    red_led_shield = 255;
+    blue_led_shield = 0;
+}
+
+/* Makes the LED green */
+void makeLEDGreen (void)
+{
+    green_led_shield = 255;
+    red_led_shield = 0;
+    blue_led_shield = 0;
+}
+
+/* Makes the LED yellow */
+void makeLEDYellow (void)
+{
+    green_led_shield = 0;
+    red_led_shield = 0;
+    blue_led_shield = 255;
+}
+
+/* Sets device to normal state */
+void setNormalState (void)
+{
+    makeLEDGreen();
+    lcd.cls();
+    lcd.locate (1,1);   //initial normal state.
+    lcd.printf ("All Is Well With The World.");
+}
+
+/**
+ * This program accepts data from device 1 and sends it to the PC program.
+ * It then recieves data from the PC program acting as the router between device 1 and PC.
+ * At certain status' the LCD and LED display different indicators.
+ **/
+int main()
+{
+    host.baud(38400);
+    char input; //characters sent from device 1.
+    char pcin;  //characters sent from PC.
+    
+    setNormalState();
+    
+    while(1)
+    {
+        if(xbee.readable()) //if recieiving data from device 1.
+        {
+            for(int i=0; i<8; i++) { //send host data for 8 char's. 4 for temp, 3 for degree and 1 for alert status.
+                input = xbee.getc();
+                host.printf("%c", input);
+            }
+            
+            switch(input)   //using the last input to determin if alert or warning even happened from device 1.
+            {
+                case 'A':   //if received an a for alert (motion detected in the door).
+                makeLEDRed();
+                lcd.cls();  
+                lcd.locate (1,1);
+                lcd.printf ("ALERT!");
+                lcd.locate (1,11);
+                lcd.printf ("Motion Detected!");
+                break;
+                
+                case 'W': //if received a warning about the temperature.
+                makeLEDRed();
+                lcd.cls();
+                lcd.locate (1,1);
+                lcd.printf ("WARNING!");
+                lcd.locate (1,11);
+                lcd.printf ("Abnormal Temperature!");
+                break;
+                
+                case '0': //no alert handle case
+                break;
+            }                
+                
+            if(host.readable()) //receiving data from the PC program (GUI).
+            {
+                pcin = host.getc();
+                switch(pcin) //using the PC program input to change status of device 1 and 2.
+                {
+                    case'y': //set status to normal as indicated by PC.
+                    setNormalState();
+                    break;
+                    
+                    case's': //sets status as investigating as indicated by the PC.
+                    makeLEDYellow();
+                    lcd.cls();
+                    lcd.locate (1,1);
+                    lcd.printf ("Issue Is Being Investigated.");
+                    break;
+                }     
+                xbee.putc(pcin); //send data from PC to device 1.                 
+            }     
+        }
+    }        
+}
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