2012-08-20 15:37:46 -03:00
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#ifndef __AP_HAL_GPIO_H__
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#define __AP_HAL_GPIO_H__
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2012-08-23 19:22:24 -03:00
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#include <stdint.h>
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2012-08-20 15:37:46 -03:00
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#include "AP_HAL_Namespace.h"
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2012-08-23 19:22:24 -03:00
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#define GPIO_INPUT 0
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#define GPIO_OUTPUT 1
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2012-12-21 02:41:08 -04:00
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#define GPIO_INTERRUPT_LOW 0
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#define GPIO_INTERRUPT_HIGH 1
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#define GPIO_INTERRUPT_FALLING 2
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#define GPIO_INTERRUPT_RISING 3
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2012-08-23 19:22:24 -03:00
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2012-10-02 01:55:52 -03:00
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class AP_HAL::DigitalSource {
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public:
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virtual void mode(uint8_t output) = 0;
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virtual uint8_t read() = 0;
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2013-08-08 10:14:06 -03:00
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virtual void write(uint8_t value) = 0;
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virtual void toggle() = 0;
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2012-10-02 01:55:52 -03:00
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};
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2012-08-20 15:37:46 -03:00
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class AP_HAL::GPIO {
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public:
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GPIO() {}
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2012-08-23 19:22:24 -03:00
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virtual void init() = 0;
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virtual void pinMode(uint8_t pin, uint8_t output) = 0;
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virtual uint8_t read(uint8_t pin) = 0;
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virtual void write(uint8_t pin, uint8_t value) = 0;
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2013-08-08 10:14:06 -03:00
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virtual void toggle(uint8_t pin) = 0;
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2013-03-21 22:31:14 -03:00
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virtual int8_t analogPinToDigitalPin(uint8_t pin) = 0;
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2012-10-02 01:55:52 -03:00
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/* Alternative interface: */
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2012-12-06 14:45:45 -04:00
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virtual AP_HAL::DigitalSource* channel(uint16_t n) = 0;
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2012-10-11 21:24:56 -03:00
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/* Interrupt interface: */
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2012-12-06 14:45:45 -04:00
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virtual bool attach_interrupt(uint8_t interrupt_num, AP_HAL::Proc p,
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uint8_t mode) = 0;
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2013-09-19 03:23:40 -03:00
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/* return true if USB cable is connected */
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virtual bool usb_connected(void) = 0;
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2012-08-20 15:37:46 -03:00
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};
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#endif // __AP_HAL_GPIO_H__
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