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16d2ec3a90
Add support for reading analog values via the standard Linux IIO interface. This can be used on Replicape boards to sample analog input pins. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
15 lines
311 B
C
15 lines
311 B
C
#ifndef __LINUX_GPIO_H
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#define __LINUX_GPIO_H
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#include <stdint.h> // uint8_t
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struct gpio_adc {
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int fd;
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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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