diff options
Diffstat (limited to 'nuttx/configs/avr32dev1/include/board.h')
| -rwxr-xr-x | nuttx/configs/avr32dev1/include/board.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/nuttx/configs/avr32dev1/include/board.h b/nuttx/configs/avr32dev1/include/board.h index c166cae05..7c6371e1d 100755 --- a/nuttx/configs/avr32dev1/include/board.h +++ b/nuttx/configs/avr32dev1/include/board.h @@ -43,6 +43,9 @@ #include <nuttx/config.h> +#include <stdint.h> +#include <nuttx/irq.h> + /************************************************************************************ * Definitions ************************************************************************************/ @@ -135,6 +138,10 @@ EXTERN void avr32_boardinitialize(void); * returns an 8-bit bit set with each bit associated with a button. See the * BUTTON* definitions above for the meaning of each bit in the returned value. * + * NOTE: Nothing in the "base" NuttX code calls up_buttoninit(). If you want button + * support in an application, your application startup code must call up_buttoninit() + * prior to calling any of the other button interfaces. + * ************************************************************************************/ #ifdef CONFIG_ARCH_BUTTONS @@ -161,9 +168,15 @@ EXTERN uint8_t up_buttons(void); * called when BUTTON1/2 is depressed. The previous interrupt handler value is * returned (so that it may restored, if so desired). * + * Configuration Notes: + * Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the overall GPIO + * IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or CONFIG_AVR32_GPIOIRQSETB must + * be enabled to select GPIOs to support interrupts on. For button support, bits + * 2 and 3 must be set in CONFIG_AVR32_GPIOIRQSETB (PB2 and PB3). + * ************************************************************************************/ -#ifdef CONFIG_GPIOB_IRQ +#ifdef CONFIG_AVR32_GPIOIRQ EXTERN xcpt_t up_irqbutton1(xcpt_t irqhandler); EXTERN xcpt_t up_irqbutton2(xcpt_t irqhandler); #endif |