diff options
Diffstat (limited to 'include/gpio.wrap')
| -rw-r--r-- | include/gpio.wrap | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/include/gpio.wrap b/include/gpio.wrap index cf4fbb319a..1eb9f3643e 100644 --- a/include/gpio.wrap +++ b/include/gpio.wrap @@ -8,15 +8,26 @@ /* * The GPIO macro is used to define a new GPIO pin name and function. * - * The name is used to populate the gpio_signal enum by first prepending GPIO_ - * to the name. It is also used to construct the string name that is presented - * in the shell interface. Similarly, the port parameter has GPIO_ prepended to - * it before it is used to initialize the port base address of a gpio_info - * struct. The pin number is used to create a bitmask. The flags and signal - * parameters are passed on to the gpio_info directly. + * The name is used to populate the gpio_signal enum by first + * prepending GPIO_ to the name. It is also used to construct the + * string name that is presented in the shell interface. Similarly, + * the port parameter has GPIO_ prepended to it before it is used to + * initialize the port base address of a gpio_info struct. The pin + * number is used to create a bitmask. The flags parameter is passed + * on to the gpio_info directly. */ #ifndef GPIO -#define GPIO(name, port, pin, flags, signal) +#define GPIO(name, port, pin, flags) +#endif + +/* + * The GPIO_INT macro is used to define a GPIOs that have an IRQ handler. + * + * The IRQ handler pointers are stored as elements in the gpio_irq_handlers + * array. + */ +#ifndef GPIO_INT +#define GPIO_INT(name, port, pin, flags, signal) #endif /* @@ -61,5 +72,6 @@ * Once the gpio.inc file has been included these macros are no longer needed. */ #undef GPIO +#undef GPIO_INT #undef ALTERNATE #undef UNIMPLEMENTED |