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/** ****************************************************************************** * @file stm32f3xx_hal_adc_ex.c * @author MCD Application Team * @brief This file provides firmware functions to manage the following * functionalities of the Analog to Digital Convertor (ADC) * peripheral: * + Operation functions * ++ Start, stop, get result of conversions of injected * group, using 2 possible modes: polling, interruption. * ++ Multimode feature (available on devices with 2 ADCs or more) * ++ Calibration (ADC automatic self-calibration) * + Control functions * ++ Channels configuration on injected group * Other functions (generic functions) are available in file * "stm32f3xx_hal_adc.c". * @verbatim [..] (@) Sections "ADC peripheral features" and "How to use this driver" are available in file of generic functions "stm32f3xx_hal_adc.c". [..] @endverbatim ****************************************************************************** * @attention * * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2> * * 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 STMicroelectronics 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. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "stm32f3xx_hal.h" /** @addtogroup STM32F3xx_HAL_Driver * @{ */ /** @defgroup ADCEx ADCEx * @brief ADC Extended HAL module driver * @{ */ #ifdef HAL_ADC_MODULE_ENABLED /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /** @defgroup ADCEx_Private_Constants ADCEx Private Constants * @{ */ #if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \ defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \ defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \ defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) /* Fixed timeout values for ADC calibration, enable settling time, disable */ /* settling time. */ /* Values defined to be higher than worst cases: low clock frequency, */ /* maximum prescalers. */ /* Ex of profile low frequency : Clock source at 0.5 MHz, ADC clock */ /* prescaler 256 (devices STM32F30xx), sampling time 7.5 ADC clock cycles, */ /* resolution 12 bits. */ /* Unit: ms */ #define ADC_CALIBRATION_TIMEOUT ( 10U) #define ADC_ENABLE_TIMEOUT ( 2U) #define ADC_DISABLE_TIMEOUT ( 2U) #define ADC_STOP_CONVERSION_TIMEOUT ( 11U) /* Timeout to wait for current conversion on going to be completed. */ /* Timeout fixed to worst case, for 1 channel. */ /* - maximum sampling time (601.5 adc_clk) */ /* - ADC resolution (Tsar 12 bits= 12.5 adc_clk) */ /* - ADC clock (from PLL with prescaler 256 (devices STM32F30xx)) */ /* Unit: cycles of CPU clock. */ #define ADC_CONVERSION_TIME_MAX_CPU_CYCLES ( 156928U) /* Delay for ADC stabilization time (ADC voltage regulator start-up time) */ /* Maximum delay is 10us (refer to device datasheet, param. TADCVREG_STUP). */ /* Unit: us */ #define ADC_STAB_DELAY_US ( 10U) /* Delay for temperature sensor stabilization time. */ /* Maximum delay is 10us (refer device datasheet, parameter tSTART). */ /* Unit: us */ #define ADC_TEMPSENSOR_DELAY_US ( 10U) #endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ /* STM32F302xC || STM32F303xC || STM32F358xx || */ /* STM32F303x8 || STM32F334x8 || STM32F328xx || */ /* STM32F301x8 || STM32F302x8 || STM32F318xx */ #if defined(STM32F373xC) || defined(STM32F378xx) /* Timeout values for ADC enable and disable settling time. */ /* Values defined to be higher than worst cases: low clocks freq, */ /* maximum prescaler. */ /* Ex of profile low frequency : Clock source at 0.1 MHz, ADC clock */ /* prescaler 4U, sampling time 12.5 ADC clock cycles, resolution 12 bits. */ /* Unit: ms */ #define ADC_ENABLE_TIMEOUT ( 2U) #define ADC_DISABLE_TIMEOUT ( 2U) /* Delay for ADC calibration: */ /* Hardware prerequisite before starting a calibration: the ADC must have */ /* been in power-on state for at least two ADC clock cycles. */ /* Unit: ADC clock cycles */ #define ADC_PRECALIBRATION_DELAY_ADCCLOCKCYCLES ( 2U) /* Timeout value for ADC calibration */ /* Value defined to be higher than worst cases: low clocks freq, */ /* maximum prescaler. */ /* Ex of profile low frequency : Clock source at 0.1 MHz, ADC clock */ /* prescaler 4U, sampling time 12.5 ADC clock cycles, resolution 12 bits. */ /* Unit: ms */ #define ADC_CALIBRATION_TIMEOUT ( 10U) /* Delay for ADC stabilization time. */ /* Maximum delay is 1us (refer to device datasheet, parameter tSTAB). */ /* Unit: us */ #define ADC_STAB_DELAY_US ( 1U) /* Delay for temperature sensor stabilization time. */ /* Maximum delay is 10us (refer to