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sam3x8e: Add support for ADC pins

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Support analog-to-digital inputs.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2016-12-23 14:49:52 -05:00
parent 872b08601a
commit 618fe0e6fb
5 changed files with 90 additions and 3 deletions
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8
src/sam3x8e/gpio.h
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@@ -20,4 +20,12 @@ struct gpio_in {
struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up);
uint8_t gpio_in_read(struct gpio_in g);
struct gpio_adc {
uint32_t bit;
};
struct gpio_adc gpio_adc_setup(uint8_t pin);
uint32_t gpio_adc_sample(struct gpio_adc g);
uint16_t gpio_adc_read(struct gpio_adc g);
void gpio_adc_cancel_sample(struct gpio_adc g);
#endif // gpio.h