gpio.h

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#ifndef GPIO_H
#define GPIO_H

#include <stdint.h>


#define BCM_MIN 0
#define BCM_MAX 27

#define PORT_FUNCTION_INPUT 0
#define PORT_FUNCTION_OUTPUT    1
#define PORT_FUNCTION_ALT_0 4
#define PORT_FUNCTION_ALT_1 5
#define PORT_FUNCTION_ALT_2 6
#define PORT_FUNCTION_ALT_3 7
#define PORT_FUNCTION_ALT_4 3
#define PORT_FUNCTION_ALT_5 2



int gpio_init();

int gpio_isInit();

int gpio_setFunction(int bcmPort, int function);

int gpio_setOutput(int bcmPort, int value);

int gpio_setOutputAll(uint64_t set, uint64_t clear);


#endif