110 lines
4.1 KiB
C
110 lines
4.1 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file adc.h
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* @brief ADC Driver macros and structures.
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*
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* @addtogroup ADC
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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 CH_HAL_USE_ADC || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @brief Inclusion of the @p adcWaitConversion() function.
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*/
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#if !defined(ADC_USE_WAIT) || defined(__DOXYGEN__)
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#define ADC_USE_WAIT TRUE
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#endif
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if ADC_USE_WAIT && !CH_USE_SEMAPHORES
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#error "ADC driver requires CH_USE_SEMAPHORES when ADC_USE_WAIT is enabled"
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Driver state machine possible states.
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*/
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typedef enum {
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ADC_UNINIT = 0, /**< @brief Not initialized. */
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ADC_STOP = 1, /**< @brief Stopped. */
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ADC_READY = 2, /**< @brief Ready. */
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ADC_RUNNING = 3, /**< @brief Conversion running. */
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ADC_COMPLETE = 4 /**< @brief Conversion complete.*/
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} adcstate_t;
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#include "adc_lld.h"
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void adcInit(void);
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void adcObjectInit(ADCDriver *adcp);
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void adcStart(ADCDriver *adcp, const ADCConfig *config);
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void adcStop(ADCDriver *adcp);
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bool_t adcStartConversion(ADCDriver *adcp,
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const ADCConversionGroup *grpp,
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adcsample_t *samples,
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size_t depth);
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bool_t adcStartConversionI(ADCDriver *adcp,
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const ADCConversionGroup *grpp,
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adcsample_t *samples,
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size_t depth);
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void adcStopConversion(ADCDriver *adcp);
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void adcStopConversionI(ADCDriver *adcp);
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#if ADC_USE_WAIT
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msg_t adcWaitConversion(ADCDriver *adcp, systime_t timeout);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* CH_HAL_USE_ADC */
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#endif /* _ADC_H_ */
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/** @} */
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