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   1 /*******************************************************************************\r
   2     Filename: hal_buttons.h\r
   3 \r
   4     Copyright 2010 Texas Instruments, Inc.\r
   5 ***************************************************************************/\r
   6 #ifndef HAL_BUTTONS_H\r
   7 #define HAL_BUTTONS_H\r
   8 \r
   9 #define BUTTON_PORT_DIR   P2DIR\r
  10 #define BUTTON_PORT_SEL   P2SEL\r
  11 #define BUTTON_PORT_OUT   P2OUT\r
  12 #define BUTTON_PORT_REN   P2REN\r
  13 #define BUTTON_PORT_IE    P2IE\r
  14 #define BUTTON_PORT_IES   P2IES\r
  15 #define BUTTON_PORT_IFG   P2IFG\r
  16 #define BUTTON_PORT_IN    P2IN\r
  17 \r
  18 #define BUTTON_SELECT     BIT3\r
  19 #define BUTTON_DOWN       BIT5\r
  20 #define BUTTON_UP         BIT4\r
  21 #define BUTTON_RIGHT      BIT2\r
  22 #define BUTTON_LEFT       BIT1 \r
  23 #define BUTTON_S1         BIT6 \r
  24 #define BUTTON_S2         BIT7 \r
  25 #define BUTTON_ALL        0xFE\r
  26 \r
  27 extern volatile unsigned char buttonsPressed;\r
  28 \r
  29 /*-------------------------------------------------------------\r
  30  *                  Function Prototypes \r
  31  * ------------------------------------------------------------*/ \r
  32 extern void halButtonsInit(unsigned char buttonsMask);\r
  33 extern unsigned char halButtonsPressed(void);\r
  34 extern void halButtonsInterruptEnable(unsigned char buttonIntEnableMask);\r
  35 extern void halButtonsInterruptDisable(unsigned char buttonIntEnableMask);\r
  36 extern void halButtonsShutDown();\r
  37 \r
  38 #endif /* HAL_BUTTONS_H */\r