nes-proj/arch/cpu/cc2538/dev/adc.h

76 lines
2.6 KiB
C

/*
* Copyright (c) 2013, ADVANSEE - http://www.advansee.com/
* Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \addtogroup cc2538
* @{
*
* \defgroup cc2538-adc cc2538 ADC
*
* Driver for the cc2538 ADC controller
* @{
*
* \file
* Header file for the cc2538 ADC driver
*/
#ifndef ADC_H_
#define ADC_H_
#include "contiki.h"
#include "dev/soc-adc.h"
#include <stdint.h>
/*---------------------------------------------------------------------------*/
/** \name ADC functions
* @{
*/
/** \brief Initializes the ADC controller */
void adc_init(void);
/** \brief Performs a single conversion on a given ADC channel
* \param channel The channel used for the conversion: \c SOC_ADC_ADCCON_CH_x
* \param ref The reference voltage used for the conversion: \c SOC_ADC_ADCCON_REF_x
* \param div The decimation rate used for the conversion: \c SOC_ADC_ADCCON_DIV_x
* \return Signed 16-bit conversion result: 2's complement, ENOBs in MSBs
* \note PD[5:4] are not usable when the temperature sensor is selected.
*/
int16_t adc_get(uint8_t channel, uint8_t ref, uint8_t div);
/** @} */
#endif /* ADC_H_ */
/**
* @}
* @}
*/