ardupilot/libraries/AP_HAL_Empty/GPIO.cpp

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2013-09-19 03:26:14 -03:00
#include "GPIO.h"
using namespace Empty;
EmptyGPIO::EmptyGPIO()
{}
void EmptyGPIO::init()
{}
void EmptyGPIO::pinMode(uint8_t pin, uint8_t output)
{}
int8_t EmptyGPIO::analogPinToDigitalPin(uint8_t pin)
{
return -1;
}
uint8_t EmptyGPIO::read(uint8_t pin) {
return 0;
}
void EmptyGPIO::write(uint8_t pin, uint8_t value)
{}
void EmptyGPIO::toggle(uint8_t pin)
{}
/* Alternative interface: */
AP_HAL::DigitalSource* EmptyGPIO::channel(uint16_t n) {
return new EmptyDigitalSource(0);
}
/* Interrupt interface: */
bool EmptyGPIO::attach_interrupt(uint8_t interrupt_num, AP_HAL::Proc p,
uint8_t mode) {
return true;
}
bool EmptyGPIO::usb_connected(void)
{
return false;
}
EmptyDigitalSource::EmptyDigitalSource(uint8_t v) :
_v(v)
{}
void EmptyDigitalSource::mode(uint8_t output)
{}
uint8_t EmptyDigitalSource::read() {
return _v;
}
void EmptyDigitalSource::write(uint8_t value) {
_v = value;
}
void EmptyDigitalSource::toggle() {
_v = !_v;
}