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-rw-r--r--src/atsam/gpio.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/atsam/gpio.h b/src/atsam/gpio.h
index e106e094..5b5c8139 100644
--- a/src/atsam/gpio.h
+++ b/src/atsam/gpio.h
@@ -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;
};