main.cpp

00001 /*This program monitoring the light and the temperature and send a serial command (if the user chose it) and turn on a light signal*/
00002 
00003 #include "mbed.h"
00004 #include "Servo.h"
00005 
00006 Servo Servo_Temp(D13);
00007 Servo Servo_Light(D14);
00008 AnalogIn temperature(A0);
00009 AnalogIn light(A1);
00010 DigitalOut temp_alert(D0);
00011 DigitalOut light_alert(D1);
00012 int i;
00013 Serial pc(USBTX, USBRX); // tx, rx
00014 
00015 int main()
00016 {
00017     temp_alert=0;
00018     light_alert=0;
00019     pc.printf("Press 'y' to receive commands or 'n' for not receive\n");
00020     char mode = pc.getc();
00021     while(1) {
00022         if (temperature>5) { //High Temperature
00023             i=0;
00024             while(i<10) {
00025                 temp_alert=1;
00026                 wait(1);
00027                 temp_alert=0;
00028                 i++;
00029             }
00030             temp_alert=1;
00031             Servo_Temp.position(0);
00032             if(mode=='y')
00033                 pc.printf("High Temperature");
00034 
00035         } else
00036             temp_alert=0;
00037         Servo_Temp.position(100);
00038 
00039         if (light<1) { //Low Light
00040             i=0;
00041             while(i<10) {
00042                 light_alert=1;
00043                 wait(1);
00044                 light_alert=0;
00045                 i++;
00046             }
00047             light_alert=1;
00048             Servo_Light.position(0);
00049             if(mode=='y')
00050                 pc.printf("Low Light");
00051         } else
00052             light_alert=0;
00053         Servo_Light.position(100);
00054         wait(1);
00055     }
00056 }