#ifndef __GPIO_H__ #define __GPIO_H__ #include #include "driver.h" #define IOCTL_CMD_SET_DIRECTION 0 int gpio_open(const struct driver *drv); int gpio_close(const struct driver *drv); int gpio_read(const struct driver *drv, char *buffer, unsigned int len); int gpio_write(const struct driver *drv, const char *buffer, unsigned int len); enum direction { IN = 0, OUT }; struct gpio { int pin; enum direction dir; }; static const struct driver_fp gpio_fp = { .open = gpio_open, .close = gpio_close, .read = gpio_read, .write = gpio_write, .ioctl = NULL }; #endif