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Department Informatik  >  Informatik 4  >  Lehre  >  WS 2011/12  >  GSPiC  >  Übungen  >  Doku  >  libspicboard: ADC (Analog to Digital Converter)

SPiCboard library (libspicboard, revision 5384) API documentation

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ADC (Analog to Digital Converter)

Interface to the AD-converter of the ATmega32, which allows to query the potentiometer and the photosensor of the board. More...

Files

file  adc.h

Enumerations

enum  ADCDEV { PHOTO = 0, POTI = 1 }
 

device ids of available periphery connected to ADC channels.

More...

Functions

int16_t sb_adc_read (ADCDEV dev)
 perform a 10-bit A/D conversion for a specific channel/device.

Detailed Description

Interface to the AD-converter of the ATmega32, which allows to query the potentiometer and the photosensor of the board.


Enumeration Type Documentation

enum ADCDEV

device ids of available periphery connected to ADC channels.

Enumerator:
PHOTO 

the photosensor (brighter ambience yields higher numbers)

POTI 

the potentiometer (rotation towards LEDs yields higher numbers)


Function Documentation

int16_t sb_adc_read ( ADCDEV  dev  ) 

perform a 10-bit A/D conversion for a specific channel/device.

Parameters:
dev id of a device connected to the ADC
Return values:
>0 10-bit result of the conversion
-1 invalid device id
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