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31 lines
709 B
C
31 lines
709 B
C
#ifndef __PRU_GPIO_H
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#define __PRU_GPIO_H
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#include <stdint.h>
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#include <stdbool.h>
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struct gpio_out {
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volatile uint32_t *reg;
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uint32_t bit;
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};
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struct gpio_out gpio_out_setup(uint8_t pin, uint8_t val);
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void gpio_out_toggle(struct gpio_out g);
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void gpio_out_write(struct gpio_out g, uint8_t val);
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struct gpio_in {
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volatile uint32_t *reg;
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uint32_t bit;
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};
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struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up);
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uint8_t gpio_in_read(struct gpio_in g);
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struct gpio_adc {
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uint8_t chan;
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};
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struct gpio_adc gpio_adc_setup(uint8_t pin);
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uint32_t gpio_adc_sample(struct gpio_adc g);
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uint16_t gpio_adc_read(struct gpio_adc g);
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void gpio_adc_cancel_sample(struct gpio_adc g);
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#endif // gpio.h
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