diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/gpio.h (renamed from src/include/gpiolib.h) | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/src/include/gpiolib.h b/src/include/gpio.h index 436f26ac04..af06697050 100644 --- a/src/include/gpiolib.h +++ b/src/include/gpio.h @@ -17,11 +17,22 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef __SRC_INCLUDE_GPIOLIB_H__ -#define __SRC_INCLUDE_GPIOLIB_H__ +#ifndef __SRC_INCLUDE_GPIO_H__ +#define __SRC_INCLUDE_GPIO_H__ -/* A generic type, use accessor macros to actually access the hardware. */ -typedef unsigned gpio_t; +#include <soc/gpio.h> +#include <types.h> + +/* <soc/gpio.h> must typedef a gpio_t that fits in 32 bits. */ +_Static_assert(sizeof(gpio_t) <= sizeof(u32), "gpio_t doesn't fit in lb_gpio"); + +/* The following functions must be implemented by SoC/board code. */ +int gpio_get(gpio_t gpio); +void gpio_set(gpio_t gpio, int value); +void gpio_input_pulldown(gpio_t gpio); +void gpio_input_pullup(gpio_t gpio); +void gpio_input(gpio_t gpio); +void gpio_output(gpio_t gpio, int value); /* * Read the value presented by the set of GPIOs, when each pin is interpreted @@ -36,16 +47,6 @@ typedef unsigned gpio_t; * tertiary: 1: pins are interpreted as a quad coded tertiary. * 0: pins are interpreted as a set of two bit fields. */ -int gpio_get_in_tristate_values(gpio_t gpio[], int num_gpio, int tertiary); - -/* - * The following functions are not provided by the common library, but must be - * implemented by the appropriate SOC/board instead. - */ -int gpio_get_in_value(gpio_t gpio); -void gpio_set_out_value(gpio_t gpio, int value); -void gpio_input_pulldown(gpio_t gpio); -void gpio_input_pullup(gpio_t gpio); -void gpio_input(gpio_t gpio); +int gpio_get_tristates(gpio_t gpio[], int num_gpio, int tertiary); -#endif +#endif /* __SRC_INCLUDE_GPIO_H__ */ |