button.h

00001 /*
00002   button.h
00003   
00004   Nicolas Williamson - July 2009
00005 */
00006 
00007 #ifndef __H_BUTTON__
00008 #define __H_BUTTON__
00009 
00010 unsigned int button_pushed(unsigned int button);
00011 unsigned int button_0(void);
00012 unsigned int button_1(void);
00013 unsigned int button_2(void);
00014 unsigned int button_3(void);
00015 unsigned int button_4(void);
00016 unsigned int button_5(void);
00017 
00018 /* HARDWARE SETUP
00019 
00020   // *******************************************************************************
00021   // Initialize Buttons
00022   // *******************************************************************************
00023   PINSEL0 &= ~(3<<24); //Button 1: P0.12 as GPIO
00024   PINSEL0 &= ~(3<<26); //Button 2: P0.13 as GPIO
00025   PINSEL1 &= ~(3<<24); //Button 3: P0.28 as GPIO
00026   PINSEL1 &= ~(3<<28); //Button 5: P0.30 as GPIO
00027   PINSEL2 &= ~(1<<3);  //Buttons 0 & 4: P1.18 and P1.16 GPIO (P1.16-25 GPIO)
00028   //set pins as inputs
00029   FIO0DIR &= ~(1<<12); 
00030   FIO0DIR &= ~(1<<13);
00031   FIO0DIR &= ~(1<<28);
00032   FIO0DIR &= ~(1<<30);
00033   FIO1DIR &= ~(1<<16);
00034   FIO1DIR &= ~(1<<18);
00035   
00036 */
00037 
00038 #endif