You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
4.4 KiB
C
131 lines
4.4 KiB
C
/*
|
|
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
/**
|
|
* @file hal_adc_lld.h
|
|
* @brief PLATFORM ADC subsystem low level driver header.
|
|
*
|
|
* @addtogroup ADC
|
|
* @{
|
|
*/
|
|
|
|
#ifndef HAL_ADC_LLD_H
|
|
#define HAL_ADC_LLD_H
|
|
|
|
#if (HAL_USE_ADC == TRUE) || defined(__DOXYGEN__)
|
|
|
|
/*===========================================================================*/
|
|
/* Driver constants. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver pre-compile time settings. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @name PLATFORM configuration options
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief ADC1 driver enable switch.
|
|
* @details If set to @p TRUE the support for ADC1 is included.
|
|
* @note The default is @p FALSE.
|
|
*/
|
|
#if !defined(PLATFORM_ADC_USE_ADC1) || defined(__DOXYGEN__)
|
|
#define PLATFORM_ADC_USE_ADC1 FALSE
|
|
#endif
|
|
/** @} */
|
|
|
|
/*===========================================================================*/
|
|
/* Derived constants and error checks. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver data structures and types. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief ADC sample data type.
|
|
*/
|
|
typedef uint16_t adcsample_t;
|
|
|
|
/**
|
|
* @brief Channels number in a conversion group.
|
|
*/
|
|
typedef uint16_t adc_channels_num_t;
|
|
|
|
/**
|
|
* @brief Possible ADC failure causes.
|
|
* @note Error codes are architecture dependent and should not relied
|
|
* upon.
|
|
*/
|
|
typedef enum {
|
|
ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
|
|
ADC_ERR_OVERFLOW = 1, /**< ADC overflow condition. */
|
|
ADC_ERR_AWD = 2 /**< Analog watchdog triggered. */
|
|
} adcerror_t;
|
|
|
|
/*===========================================================================*/
|
|
/* Driver macros. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Low level fields of the ADC driver structure.
|
|
*/
|
|
#define adc_lld_driver_fields \
|
|
/* Dummy field, it is not needed.*/ \
|
|
uint32_t dummy
|
|
|
|
/**
|
|
* @brief Low level fields of the ADC configuration structure.
|
|
*/
|
|
#define adc_lld_config_fields \
|
|
/* Dummy configuration, it is not needed.*/ \
|
|
uint32_t dummy
|
|
|
|
/**
|
|
* @brief Low level fields of the ADC configuration structure.
|
|
*/
|
|
#define adc_lld_configuration_group_fields \
|
|
/* Dummy configuration, it is not needed.*/ \
|
|
uint32_t dummy
|
|
|
|
/*===========================================================================*/
|
|
/* External declarations. */
|
|
/*===========================================================================*/
|
|
|
|
#if (PLATFORM_ADC_USE_ADC1 == TRUE) && !defined(__DOXYGEN__)
|
|
extern ADCDriver ADCD1;
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
void adc_lld_init(void);
|
|
void adc_lld_start(ADCDriver *adcp);
|
|
void adc_lld_stop(ADCDriver *adcp);
|
|
void adc_lld_start_conversion(ADCDriver *adcp);
|
|
void adc_lld_stop_conversion(ADCDriver *adcp);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HAL_USE_ADC == TRUE */
|
|
|
|
#endif /* HAL_ADC_LLD_H */
|
|
|
|
/** @} */
|