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/**
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 * @defgroup adc ADC driver
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 * @code #include <drivers/adc/adc.h> @endcode
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 *
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 * @brief Simple low level ADC driver.
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 *
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 * This driver is a simple ADC implementation.
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 *
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 *
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 * @author  Erik Larsson
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 * @author  Anders Runeson
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 * @author  Martin Norden
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 * @date    2008-05-11
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 */
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/**@{*/
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#ifndef ADC_H_
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#define ADC_H_
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#if !defined(__AVR_ATmega88__) && !defined(__AVR_ATmega168__) && !defined(__AVR_ATmega168P__) && !defined(__AVR_ATmega328P__)
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#error only tested on ATmega88/168/328
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#endif
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#define ADC_NUM_CHANNELS 8
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#ifndef ADC_INTERRUPTED      
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#define ADC_INTERRUPTED 0
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#endif
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/*-----------------------------------------------
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 * Includes
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 * ---------------------------------------------*/
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#include <stdlib.h>
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#include <inttypes.h>
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/*-----------------------------------------------
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 * Functions
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 * ---------------------------------------------*/
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/**
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 * @brief Initialize ADC.
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 *
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 * Initializes the ADC-unit on the AVR. The voltage reference is set to Avcc.
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 *
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 */
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uint8_t ADC_Init(void);
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/**
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 * @brief Get an ADC value.
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 *
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 * Starts an ADC conversion and returns the result right adjusted, 10 bits.
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 * If the channel is changed it does a dummy-read first to prevent garbage data.
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 *
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 * @param channel
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 *      Channel to get ADC data from
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 * @retval
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 *      The ADC data
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 */
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uint16_t ADC_Get(uint8_t channel);
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/**@}*/
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#endif