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#ifndef __AR100_GPIO_H
#define __AR100_GPIO_H
#include <stdint.h>
struct gpio_out {
uint8_t pin;
uint8_t bank;
uint32_t reg;
};
struct gpio_in {
uint8_t pin;
uint8_t bank;
uint32_t reg;
};
extern volatile uint32_t data_regs[8];
struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up);
void gpio_in_reset(struct gpio_in pin, int8_t pull_up);
uint8_t gpio_in_read(struct gpio_in pin);
struct gpio_out gpio_out_setup(uint8_t pin, uint8_t val);
void gpio_out_write(struct gpio_out pin, uint8_t val);
void gpio_out_reset(struct gpio_out pin, uint8_t val);
void gpio_out_toggle_noirq(struct gpio_out pin);
void gpio_out_toggle(struct gpio_out pin);
struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up);
void gpio_in_reset(struct gpio_in pin, int8_t pull_up);
uint8_t gpio_in_read(struct gpio_in pin);
struct spi_config {
void *spi;
uint32_t spi_cr1;
};
struct spi_config spi_setup(uint32_t bus, uint8_t mode, uint32_t rate);
void spi_prepare(struct spi_config config);
void spi_transfer(struct spi_config config, uint8_t receive_data
, uint8_t len, uint8_t *data);
#endif
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