Aio Class Reference

Detailed Description

This file defines the aio interface for libmraa

#include "mraa.hpp"

int main ()
{
    uint16_t adc_value;
    mraa::Aio* a0;

    a0 = new mraa::Aio(0);
    if (a0 == NULL) {
        return MRAA_ERROR_UNSPECIFIED;
    }

    for(;;) {
        adc_value = a0->read();
        fprintf(stdout, "ADC A0 read %X - %d\n", adc_value, adc_value);
    }

    return MRAA_SUCCESS;
}

Public Member Functions
	Aio (unsigned int pin)
	~Aio ()
int	read ()

Constructor & Destructor Documentation

Aio ( unsigned int  pin )

inline

Aio Constructor, takes a pin number which will map directly to the board number

Parameters

pin	channel number to read ADC inputs

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~Aio ( )

inline

Aio destructor

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Member Function Documentation

int read ( )

inline

Read a value from the AIO pin. Note this value can never be outside of the bounds of an unsigned short

Returns

The current input voltage, normalised to a 16-bit value

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The documentation for this class was generated from the following file:

• /var/lib/jenkins/workspace/mraa-doc/api/mraa/aio.hpp