main.cpp

00001 /*****************************************************************/
00002 /*               How to use State Machines in C                  */
00003 /*                          If | Else                            */
00004 /*****************************************************************/
00005 
00006 //Librarys:
00007 #include "mbed.h"
00008 
00009 //Outputs:
00010 DigitalOut red(LED1);
00011 DigitalOut green(LED2);
00012 DigitalOut blue(LED3);
00013 
00014 //Functions:
00015 
00016 int main() {
00017     
00018 /**************VARIABLES**************/
00019     enum states{
00020         LED_GREEN,
00021         LED_BLUE,
00022         LED_RED   
00023         };
00024     enum states state = LED_GREEN;
00025     
00026 /***************ESTADOS***************/ 
00027 
00028 while(1){   
00029     if (state == LED_GREEN){
00030         
00031     green=1;        
00032     blue=0; 
00033     red=0;  
00034     state = LED_BLUE;
00035     wait(1);
00036         
00037     }else if(state == LED_BLUE){
00038         
00039     green=0;
00040     blue=1;
00041     red=0;
00042     state = LED_RED;
00043     wait(1);
00044         
00045     }else if(state == LED_RED){
00046         
00047     green=0;
00048     blue=0;
00049     red=1;
00050     state = LED_GREEN;
00051     wait(1);
00052     
00053     }
00054     
00055 }//end of while
00056 }//end of main
00057 
00058 /************************************/