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atsam: Add support for hard pwm via PWM controller

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-02-13 11:01:54 -05:00
parent d1d19d03f3
commit 090cd930d9
4 changed files with 106 additions and 3 deletions
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10
src/atsam/gpio.h
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@@ -1,5 +1,5 @@
#ifndef __SAM3_GPIO_H
#define __SAM3_GPIO_H
#ifndef __ATSAM_GPIO_H
#define __ATSAM_GPIO_H
#include <stdint.h> // uint32_t
@@ -21,6 +21,12 @@ struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up);
void gpio_in_reset(struct gpio_in g, int8_t pull_up);
uint8_t gpio_in_read(struct gpio_in g);
struct gpio_pwm {
void *reg;
};
struct gpio_pwm gpio_pwm_setup(uint8_t pin, uint32_t cycle_time, uint8_t val);
void gpio_pwm_write(struct gpio_pwm g, uint8_t val);
struct gpio_adc {
uint32_t chan;
};