34 lines
917 B
C
34 lines
917 B
C
#ifndef __SAM3X8E_GPIO_H
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#define __SAM3X8E_GPIO_H
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#include <stdint.h>
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struct gpio_out {
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void *regs;
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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_reset(struct gpio_out g, uint8_t val);
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void gpio_out_toggle_noirq(struct gpio_out g);
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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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void *regs;
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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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void gpio_in_reset(struct gpio_in g, int8_t pull_up);
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uint8_t gpio_in_read(struct gpio_in g);
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struct i2c_config {
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uint8_t addr;
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};
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struct i2c_config i2c_setup(uint32_t bus, uint32_t rate, uint8_t addr);
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void i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write);
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void i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
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, uint8_t read_len, uint8_t *read);
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#endif // gpio.h
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