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pru: Initial support for the Beaglebone PRU

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-05-06 21:47:04 -04:00
parent ccaa25eaa5
commit 2255176228
10 changed files with 643 additions and 0 deletions
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22
src/pru/gpio.h Normal file
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#ifndef __PRU_GPIO_H
#define __PRU_GPIO_H
#include <stdint.h>
#include <stdbool.h>
struct gpio_out {
volatile uint32_t *reg;
uint32_t bit;
};
struct gpio_out gpio_out_setup(uint8_t pin, uint8_t val);
void gpio_out_toggle(struct gpio_out g);
void gpio_out_write(struct gpio_out g, uint8_t val);
struct gpio_in {
volatile uint32_t *reg;
uint32_t bit;
};
struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up);
uint8_t gpio_in_read(struct gpio_in g);
#endif // gpio.h