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131 lines
4.4 KiB
C
131 lines
4.4 KiB
C
4 years ago
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/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file hal_adc_lld.h
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* @brief PLATFORM ADC subsystem low level driver header.
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*
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* @addtogroup ADC
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* @{
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*/
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#ifndef HAL_ADC_LLD_H
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#define HAL_ADC_LLD_H
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#if (HAL_USE_ADC == TRUE) || 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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* @name PLATFORM configuration options
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* @{
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*/
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/**
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* @brief ADC1 driver enable switch.
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* @details If set to @p TRUE the support for ADC1 is included.
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* @note The default is @p FALSE.
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*/
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#if !defined(PLATFORM_ADC_USE_ADC1) || defined(__DOXYGEN__)
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#define PLATFORM_ADC_USE_ADC1 FALSE
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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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 ADC sample data type.
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*/
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typedef uint16_t adcsample_t;
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/**
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* @brief Channels number in a conversion group.
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*/
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typedef uint16_t adc_channels_num_t;
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/**
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* @brief Possible ADC failure causes.
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* @note Error codes are architecture dependent and should not relied
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* upon.
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*/
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typedef enum {
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ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
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ADC_ERR_OVERFLOW = 1, /**< ADC overflow condition. */
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ADC_ERR_AWD = 2 /**< Analog watchdog triggered. */
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} adcerror_t;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/**
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* @brief Low level fields of the ADC driver structure.
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*/
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#define adc_lld_driver_fields \
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/* Dummy field, it is not needed.*/ \
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uint32_t dummy
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/**
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* @brief Low level fields of the ADC configuration structure.
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*/
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#define adc_lld_config_fields \
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/* Dummy configuration, it is not needed.*/ \
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uint32_t dummy
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/**
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* @brief Low level fields of the ADC configuration structure.
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*/
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#define adc_lld_configuration_group_fields \
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/* Dummy configuration, it is not needed.*/ \
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uint32_t dummy
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#if (PLATFORM_ADC_USE_ADC1 == TRUE) && !defined(__DOXYGEN__)
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extern ADCDriver ADCD1;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void adc_lld_init(void);
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void adc_lld_start(ADCDriver *adcp);
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void adc_lld_stop(ADCDriver *adcp);
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void adc_lld_start_conversion(ADCDriver *adcp);
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void adc_lld_stop_conversion(ADCDriver *adcp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_USE_ADC == TRUE */
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#endif /* HAL_ADC_LLD_H */
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/** @} */
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