HANDLER_ContrastPage.cpp

00001 #include "mbed.h"
00002 
00003 #include "menuIDs.h"
00004 #include "MainMenu.h"
00005 #include "console.h"
00006 
00007 extern BusInOut switches; //(p21, p22, p23, p24)
00008 extern MainMenu pageMenu[MAXPAGES ];
00009 extern volatile bool exittorecord;
00010 
00011 
00012 int ContrastPageHandler()
00013 {
00014      int userSelection = 0;
00015      pageMenu[CONTRAST].printMenu();
00016 
00017     unsigned char lastState = 0x0f;  //0000 1111
00018      bool exitCurrentMenu = false;
00019 
00020      while ( exitCurrentMenu == false)
00021         {
00022         
00023         unsigned char currentState = switches.read();  //reading a port add a AND MASK & 0b00000111
00024         wait_ms(10);
00025         if( currentState == switches.read() && currentState != lastState)
00026             {
00027             lastState = currentState; 
00028             switch(currentState)
00029                 {
00030                 case 0x0e:
00031                     pageMenu[CONTRAST].erase();
00032                     printXY("                       ", 5, 10);
00033                     userSelection = SCREENSET;
00034                     exitCurrentMenu = true;
00035                     break;
00036                 case 0x0d:
00037                      pageMenu[CONTRAST].highlightPrevItem();
00038                     break;
00039                 case 0x0b:
00040                      pageMenu[CONTRAST].highlightNextItem();
00041                     break;
00042                 case 0x07:
00043                     userSelection = pageMenu[CONTRAST].getHighlightedItem() ;
00044                     pageMenu[CONTRAST].removeselection();
00045                     pageMenu[CONTRAST].selection();
00046                     break;
00047                 }//eo select
00048   /*              
00049                 if (userSelection != 0 && userSelection != SCREENSET)
00050                     {
00051                     // place code here to handle actions processed directly from this page
00052                     switch(userSelection)
00053                         {
00054                         case CONTRASTUP:
00055                             printXY("Contrast +1          ", 5, 10);
00056                             //call function to perform task
00057                             break;
00058                         case CONTRASTDOWN:
00059                             printXY("Contrast -1    ",5,10);
00060                             //call function to perform task
00061                             break;
00062                         }
00063                     // eo place code here ......
00064                     userSelection = 0;
00065                     }
00066 */
00067                 wait_ms(200);
00068                 if (exittorecord == true)
00069                      break;
00070                     
00071            }//eo if kbhit
00072         }//eo while
00073         return userSelection;
00074 }