From 44c8a1777f4a3bd619676c16852cb8764369a8ec Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 4 Mar 2020 12:33:17 +0100 Subject: bsp/stm32h7: Import from STM32CubeMX-5.6.0 Update #3910. --- bsps/arm/stm32h7/hal/stm32h7xx_hal_adc.c | 3713 ++++++++++++++++++++++++++++++ 1 file changed, 3713 insertions(+) create mode 100644 bsps/arm/stm32h7/hal/stm32h7xx_hal_adc.c (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_hal_adc.c') diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_hal_adc.c b/bsps/arm/stm32h7/hal/stm32h7xx_hal_adc.c new file mode 100644 index 0000000000..cce8bf9baa --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_hal_adc.c @@ -0,0 +1,3713 @@ +/** + ****************************************************************************** + * @file stm32h7xx_hal_adc.c + * @author MCD Application Team + * @brief This file provides firmware functions to manage the following + * functionalities of the Analog to Digital Convertor (ADC) + * peripheral: + * + Initialization and de-initialization functions + * ++ Initialization and Configuration of ADC + * + Operation functions + * ++ Start, stop, get result of conversions of regular + * group, using 3 possible modes: polling, interruption or DMA. + * + Control functions + * ++ Channels configuration on regular group + * ++ Analog Watchdog configuration + * + State functions + * ++ ADC state machine management + * ++ Interrupts and flags management + * Other functions (extended functions) are available in file + * "stm32h7xx_hal_adc_ex.c". + * + @verbatim + ============================================================================== + ##### ADC peripheral features ##### + ============================================================================== + [..] + (+) 16-bit, 14-bit, 12-bit, 10-bit or 8-bit configurable resolution. + + (+) Interrupt generation at the end of regular conversion and in case of + analog watchdog or overrun events. + + (+) Single and continuous conversion modes. + + (+) Scan mode for conversion of several channels sequentially. + + (+) Data alignment with in-built data coherency. + + (+) Programmable sampling time (channel wise) + + (+) External trigger (timer or EXTI) with configurable polarity + + (+) DMA request generation for transfer of conversions data of regular group. + + (+) Configurable delay between conversions in Dual interleaved mode. + + (+) ADC channels selectable single/differential input. + + (+) ADC offset shared on 4 offset instances. + (+) ADC calibration + + (+) ADC conversion of regular group. + + (+) ADC supply requirements: 1.62 V to 3.6 V. + + (+) ADC input range: from Vref- (connected to Vssa) to Vref+ (connected to + Vdda or to an external voltage reference). + + + ##### How to use this driver ##### + ============================================================================== + [..] + + *** Configuration of top level parameters related to ADC *** + ============================================================ + [..] + + (#) Enable the ADC interface + (++) As prerequisite, ADC clock must be configured at RCC top level. + + (++) Two clock settings are mandatory: + (+++) ADC clock (core clock, also possibly conversion clock). + + (+++) ADC clock (conversions clock). + Two possible clock sources: synchronous clock derived from AHB clock + or asynchronous clock derived from system clock, the PLL2 or the PLL3 running up to 400MHz. + + (+++) Example: + Into HAL_ADC_MspInit() (recommended code location) or with + other device clock parameters configuration: + (+++) __HAL_RCC_ADC_CLK_ENABLE(); (mandatory) + + RCC_ADCCLKSOURCE_PLL2 enable: (optional: if asynchronous clock selected) + (+++) RCC_PeriphClkInitTypeDef RCC_PeriphClkInit; + (+++) PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC; + (+++) PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLL2; + (+++) HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit); + + (++) ADC clock source and clock prescaler are configured at ADC level with + parameter "ClockPrescaler" using function HAL_ADC_Init(). + + (#) ADC pins configuration + (++) Enable the clock for the ADC GPIOs + using macro __HAL_RCC_GPIOx_CLK_ENABLE() + (++) Configure these ADC pins in analog mode + using function HAL_GPIO_Init() + + (#) Optionally, in case of usage of ADC with interruptions: + (++) Configure the NVIC for ADC + using function HAL_NVIC_EnableIRQ(ADCx_IRQn) + (++) Insert the ADC interruption handler function HAL_ADC_IRQHandler() + into the function of corresponding ADC interruption vector + ADCx_IRQHandler(). + + (#) Optionally, in case of usage of DMA: + (++) Configure the DMA (DMA channel, mode normal or circular, ...) + using function HAL_DMA_Init(). + (++) Configure the NVIC for DMA + using function HAL_NVIC_EnableIRQ(DMAx_Channelx_IRQn) + (++) Insert the ADC interruption handler function HAL_ADC_IRQHandler() + into the function of corresponding DMA interruption vector + DMAx_Channelx_IRQHandler(). + + *** Configuration of ADC, group regular, channels parameters *** + ================================================================ + [..] + + (#) Configure the ADC parameters (resolution, data alignment, ...) + and regular group parameters (conversion trigger, sequencer, ...) + using function HAL_ADC_Init(). + + (#) Configure the channels for regular group parameters (channel number, + channel rank into sequencer, ..., into regular group) + using function HAL_ADC_ConfigChannel(). + + (#) Optionally, configure the analog watchdog parameters (channels + monitored, thresholds, ...) + using function HAL_ADC_AnalogWDGConfig(). + + *** Execution of ADC conversions *** + ==================================== + [..] + + (#) Optionally, perform an automatic ADC calibration to improve the + conversion accuracy + using function HAL_ADCEx_Calibration_Start(). + + (#) ADC driver can be used among three modes: polling, interruption, + transfer by DMA. + + (++) ADC conversion by polling: + (+++) Activate the ADC peripheral and start conversions + using function HAL_ADC_Start() + (+++) Wait for ADC conversion completion + using function HAL_ADC_PollForConversion() + (+++) Retrieve conversion results + using function HAL_ADC_GetValue() + (+++) Stop conversion and disable the ADC peripheral + using function HAL_ADC_Stop() + + (++) ADC conversion by interruption: + (+++) Activate the ADC peripheral and start conversions + using function HAL_ADC_Start_IT() + (+++) Wait for ADC conversion completion by call of function + HAL_ADC_ConvCpltCallback() + (this function must be implemented in user program) + (+++) Retrieve conversion results + using function HAL_ADC_GetValue() + (+++) Stop conversion and disable the ADC peripheral + using function HAL_ADC_Stop_IT() + + (++) ADC conversion with transfer by DMA: + (+++) Activate the ADC peripheral and start conversions + using function HAL_ADC_Start_DMA() + (+++) Wait for ADC conversion completion by call of function + HAL_ADC_ConvCpltCallback() or HAL_ADC_ConvHalfCpltCallback() + (these functions must be implemented in user program) + (+++) Conversion results are automatically transferred by DMA into + destination variable address. + (+++) Stop conversion and disable the ADC peripheral + using function HAL_ADC_Stop_DMA() + + [..] + + (@) Callback functions must be implemented in user program: + (+@) HAL_ADC_ErrorCallback() + (+@) HAL_ADC_LevelOutOfWindowCallback() (callback of analog watchdog) + (+@) HAL_ADC_ConvCpltCallback() + (+@) HAL_ADC_ConvHalfCpltCallback + + *** Deinitialization of ADC *** + ============================================================ + [..] + + (#) Disable the ADC interface + (++) ADC clock can be hard reset and disabled at RCC top level. + (++) Hard reset of ADC peripherals + using macro __HAL_RCC_ADCx_FORCE_RESET(), __HAL_RCC_ADCx_RELEASE_RESET(). + (++) ADC clock disable + using the equivalent macro/functions as configuration step. + (+++) Example: + Into HAL_ADC_MspDeInit() (recommended code location) or with + other device clock parameters configuration: + (+++) __HAL_RCC_ADC_CLK_DISABLE(); (if not used anymore) + RCC_ADCCLKSOURCE_CLKP restore: (optional) + (+++) RCC_PeriphClkInitTypeDef RCC_PeriphClkInit; + (+++) PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC; + (+++) PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_CLKP; + (+++) HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit); + + (#) ADC pins configuration + (++) Disable the clock for the ADC GPIOs + using macro __HAL_RCC_GPIOx_CLK_DISABLE() + + (#) Optionally, in case of usage of ADC with interruptions: + (++) Disable the NVIC for ADC + using function HAL_NVIC_EnableIRQ(ADCx_IRQn) + + (#) Optionally, in case of usage of DMA: + (++) Deinitialize the DMA + using function HAL_DMA_Init(). + (++) Disable the NVIC for DMA + using function HAL_NVIC_EnableIRQ(DMAx_Channelx_IRQn) + + [..] + + *** Callback registration *** + ============================================= + [..] + + The compilation flag USE_HAL_ADC_REGISTER_CALLBACKS, when set to 1, + allows the user to configure dynamically the driver callbacks. + Use Functions @ref HAL_ADC_RegisterCallback() + to register an interrupt callback. + [..] + + Function @ref HAL_ADC_RegisterCallback() allows to register following callbacks: + (+) ConvCpltCallback : ADC conversion complete callback + (+) ConvHalfCpltCallback : ADC conversion DMA half-transfer callback + (+) LevelOutOfWindowCallback : ADC analog watchdog 1 callback + (+) ErrorCallback : ADC error callback + (+) InjectedConvCpltCallback : ADC group injected conversion complete callback + (+) InjectedQueueOverflowCallback : ADC group injected context queue overflow callback + (+) LevelOutOfWindow2Callback : ADC analog watchdog 2 callback + (+) LevelOutOfWindow3Callback : ADC analog watchdog 3 callback + (+) EndOfSamplingCallback : ADC end of sampling callback + (+) MspInitCallback : ADC Msp Init callback + (+) MspDeInitCallback : ADC Msp DeInit callback + This function takes as parameters the HAL peripheral handle, the Callback ID + and a pointer to the user callback function. + [..] + + Use function @ref HAL_ADC_UnRegisterCallback to reset a callback to the default + weak function. + [..] + + @ref HAL_ADC_UnRegisterCallback takes as parameters the HAL peripheral handle, + and the Callback ID. + This function allows to reset following callbacks: + (+) ConvCpltCallback : ADC conversion complete callback + (+) ConvHalfCpltCallback : ADC conversion DMA half-transfer callback + (+) LevelOutOfWindowCallback : ADC analog watchdog 1 callback + (+) ErrorCallback : ADC error callback + (+) InjectedConvCpltCallback : ADC group injected conversion complete callback + (+) InjectedQueueOverflowCallback : ADC group injected context queue overflow callback + (+) LevelOutOfWindow2Callback : ADC analog watchdog 2 callback + (+) LevelOutOfWindow3Callback : ADC analog watchdog 3 callback + (+) EndOfSamplingCallback : ADC end of sampling callback + (+) MspInitCallback : ADC Msp Init callback + (+) MspDeInitCallback : ADC Msp DeInit callback + [..] + + By default, after the @ref HAL_ADC_Init() and when the state is @ref HAL_ADC_STATE_RESET + all callbacks are set to the corresponding weak functions: + examples @ref HAL_ADC_ConvCpltCallback(), @ref HAL_ADC_ErrorCallback(). + Exception done for MspInit and MspDeInit functions that are + reset to the legacy weak functions in the @ref HAL_ADC_Init()/ @ref HAL_ADC_DeInit() only when + these callbacks are null (not registered beforehand). + [..] + + If MspInit or MspDeInit are not null, the @ref HAL_ADC_Init()/ @ref HAL_ADC_DeInit() + keep and use the user MspInit/MspDeInit callbacks (registered beforehand) whatever the state. + [..] + + Callbacks can be registered/unregistered in @ref HAL_ADC_STATE_READY state only. + Exception done MspInit/MspDeInit functions that can be registered/unregistered + in @ref HAL_ADC_STATE_READY or @ref HAL_ADC_STATE_RESET state, + thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit. + [..] + + Then, the user first registers the MspInit/MspDeInit user callbacks + using @ref HAL_ADC_RegisterCallback() before calling @ref HAL_ADC_DeInit() + or @ref HAL_ADC_Init() function. + [..] + + When the compilation flag USE_HAL_ADC_REGISTER_CALLBACKS is set to 0 or + not defined, the callback registration feature is not available and all callbacks + are set to the corresponding weak functions. + + @endverbatim + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2017 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_hal.h" + +/** @addtogroup STM32H7xx_HAL_Driver + * @{ + */ + +/** @defgroup ADC ADC + * @brief ADC HAL module driver + * @{ + */ + +#ifdef HAL_ADC_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ + +/** @defgroup ADC_Private_Constants ADC Private Constants + * @{ + */ +#define ADC_CFGR_FIELDS_1 ((uint32_t)(ADC_CFGR_RES |\ + ADC_CFGR_CONT | ADC_CFGR_OVRMOD |\ + ADC_CFGR_DISCEN | ADC_CFGR_DISCNUM |\ + ADC_CFGR_EXTEN | ADC_CFGR_EXTSEL)) /*!< ADC_CFGR fields of parameters that can be updated + when no regular conversion is on-going */ + +#define ADC_CFGR2_FIELDS ((uint32_t)(ADC_CFGR2_ROVSE | ADC_CFGR2_OVSR |\ + ADC_CFGR2_OVSS | ADC_CFGR2_TROVS |\ + ADC_CFGR2_ROVSM)) /*!< ADC_CFGR2 fields of parameters that can be updated when no conversion + (neither regular nor injected) is on-going */ + +/* Timeout values for ADC operations (enable settling time, */ +/* disable settling time, ...). */ +/* Values defined to be higher than worst cases: low clock frequency, */ +/* maximum prescalers. */ +#define ADC_ENABLE_TIMEOUT (2UL) /*!< ADC enable time-out value */ +#define ADC_DISABLE_TIMEOUT (2UL) /*!< ADC disable time-out value */ + +/* Timeout to wait for current conversion on going to be completed. */ +/* Timeout fixed to worst case, for 1 channel. */ +/* - maximum sampling time (830.5 adc_clk) */ +/* - ADC resolution (Tsar 16 bits= 16.5 adc_clk) */ +/* - ADC clock with prescaler 256 */ +/* 823 * 256 = 210688 clock cycles max */ +/* Unit: cycles of CPU clock. */ +#define ADC_CONVERSION_TIME_MAX_CPU_CYCLES ((uint32_t) 210688) /*!< ADC conversion completion time-out value */ + +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ + +/** @defgroup ADC_Exported_Functions ADC Exported Functions + * @{ + */ + +/** @defgroup ADC_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief ADC Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization and de-initialization functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Initialize and configure the ADC. + (+) De-initialize the ADC. +@endverbatim + * @{ + */ + +/** + * @brief Initialize the ADC peripheral and regular group according to + * parameters specified in structure "ADC_InitTypeDef". + * @note As prerequisite, ADC clock must be configured at RCC top level + * (refer to description of RCC configuration for ADC + * in header of this file). + * @note Possibility to update parameters on the fly: + * This function initializes the ADC MSP (HAL_ADC_MspInit()) only when + * coming from ADC state reset. Following calls to this function can + * be used to reconfigure some parameters of ADC_InitTypeDef + * structure on the fly, without modifying MSP configuration. If ADC + * MSP has to be modified again, HAL_ADC_DeInit() must be called + * before HAL_ADC_Init(). + * The setting of these parameters is conditioned to ADC state. + * For parameters constraints, see comments of structure + * "ADC_InitTypeDef". + * @note This function configures the ADC within 2 scopes: scope of entire + * ADC and scope of regular group. For parameters details, see comments + * of structure "ADC_InitTypeDef". + * @note Parameters related to common ADC registers (ADC clock mode) are set + * only if all ADCs are disabled. + * If this is not the case, these common parameters setting are + * bypassed without error reporting: it can be the intended behaviour in + * case of update of a parameter of ADC_InitTypeDef on the fly, + * without disabling the other ADCs. + * @param hadc ADC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_Init(ADC_HandleTypeDef *hadc) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + uint32_t tmpCFGR; + uint32_t tmp_adc_reg_is_conversion_on_going; + __IO uint32_t wait_loop_index = 0UL; + uint32_t tmp_adc_is_conversion_on_going_regular; + uint32_t tmp_adc_is_conversion_on_going_injected; + + /* Check ADC handle */ + if (hadc == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_CLOCKPRESCALER(hadc->Init.ClockPrescaler)); + assert_param(IS_ADC_RESOLUTION(hadc->Init.Resolution)); + assert_param(IS_ADC_SCAN_MODE(hadc->Init.ScanConvMode)); + assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); + assert_param(IS_ADC_EXTTRIG_EDGE(hadc->Init.ExternalTrigConvEdge)); + assert_param(IS_ADC_EXTTRIG(hadc->Init.ExternalTrigConv)); + assert_param(IS_ADC_CONVERSIONDATAMGT(hadc->Init.ConversionDataManagement)); + assert_param(IS_ADC_EOC_SELECTION(hadc->Init.EOCSelection)); + assert_param(IS_ADC_OVERRUN(hadc->Init.Overrun)); + assert_param(IS_FUNCTIONAL_STATE(hadc->Init.LowPowerAutoWait)); + assert_param(IS_FUNCTIONAL_STATE(hadc->Init.OversamplingMode)); + + if (hadc->Init.ScanConvMode != ADC_SCAN_DISABLE) + { + assert_param(IS_ADC_REGULAR_NB_CONV(hadc->Init.NbrOfConversion)); + assert_param(IS_FUNCTIONAL_STATE(hadc->Init.DiscontinuousConvMode)); + + if (hadc->Init.DiscontinuousConvMode == ENABLE) + { + assert_param(IS_ADC_REGULAR_DISCONT_NUMBER(hadc->Init.NbrOfDiscConversion)); + } + } + + /* DISCEN and CONT bits cannot be set at the same time */ + assert_param(!((hadc->Init.DiscontinuousConvMode == ENABLE) && (hadc->Init.ContinuousConvMode == ENABLE))); + + /* Actions performed only if ADC is coming from state reset: */ + /* - Initialization of ADC MSP */ + if (hadc->State == HAL_ADC_STATE_RESET) + { +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + /* Init the ADC Callback settings */ + hadc->ConvCpltCallback = HAL_ADC_ConvCpltCallback; /* Legacy weak callback */ + hadc->ConvHalfCpltCallback = HAL_ADC_ConvHalfCpltCallback; /* Legacy weak callback */ + hadc->LevelOutOfWindowCallback = HAL_ADC_LevelOutOfWindowCallback; /* Legacy weak callback */ + hadc->ErrorCallback = HAL_ADC_ErrorCallback; /* Legacy weak callback */ + hadc->InjectedConvCpltCallback = HAL_ADCEx_InjectedConvCpltCallback; /* Legacy weak callback */ + hadc->InjectedQueueOverflowCallback = HAL_ADCEx_InjectedQueueOverflowCallback; /* Legacy weak callback */ + hadc->LevelOutOfWindow2Callback = HAL_ADCEx_LevelOutOfWindow2Callback; /* Legacy weak callback */ + hadc->LevelOutOfWindow3Callback = HAL_ADCEx_LevelOutOfWindow3Callback; /* Legacy weak callback */ + hadc->EndOfSamplingCallback = HAL_ADCEx_EndOfSamplingCallback; /* Legacy weak callback */ + + if (hadc->MspInitCallback == NULL) + { + hadc->MspInitCallback = HAL_ADC_MspInit; /* Legacy weak MspInit */ + } + + /* Init the low level hardware */ + hadc->MspInitCallback(hadc); +#else + /* Init the low level hardware */ + HAL_ADC_MspInit(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Set ADC error code to none */ + ADC_CLEAR_ERRORCODE(hadc); + + /* Initialize Lock */ + hadc->Lock = HAL_UNLOCKED; + } + + /* - Exit from deep-power-down mode and ADC voltage regulator enable */ + if (LL_ADC_IsDeepPowerDownEnabled(hadc->Instance) != 0UL) + { + /* Disable ADC deep power down mode */ + LL_ADC_DisableDeepPowerDown(hadc->Instance); + + /* System was in deep power down mode, calibration must + be relaunched or a previously saved calibration factor + re-applied once the ADC voltage regulator is enabled */ + } + + if (LL_ADC_IsInternalRegulatorEnabled(hadc->Instance) == 0UL) + { + /* Enable ADC internal voltage regulator */ + LL_ADC_EnableInternalRegulator(hadc->Instance); + + /* Note: Variable divided by 2 to compensate partially */ + /* CPU processing cycles, scaling in us split to not */ + /* exceed 32 bits register capacity and handle low frequency. */ + wait_loop_index = ((LL_ADC_DELAY_INTERNAL_REGUL_STAB_US / 10UL) * (SystemCoreClock / (100000UL * 2UL))); + while (wait_loop_index != 0UL) + { + wait_loop_index--; + } + } + + /* Verification that ADC voltage regulator is correctly enabled, whether */ + /* or not ADC is coming from state reset (if any potential problem of */ + /* clocking, voltage regulator would not be enabled). */ + if (LL_ADC_IsInternalRegulatorEnabled(hadc->Instance) == 0UL) + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + + tmp_hal_status = HAL_ERROR; + } + + /* Configuration of ADC parameters if previous preliminary actions are */ + /* correctly completed and if there is no conversion on going on regular */ + /* group (ADC may already be enabled at this point if HAL_ADC_Init() is */ + /* called to update a parameter on the fly). */ + tmp_adc_reg_is_conversion_on_going = LL_ADC_REG_IsConversionOngoing(hadc->Instance); + + if (((hadc->State & HAL_ADC_STATE_ERROR_INTERNAL) == 0UL) + && (tmp_adc_reg_is_conversion_on_going == 0UL) + ) + { + /* Set ADC state */ + ADC_STATE_CLR_SET(hadc->State, + HAL_ADC_STATE_REG_BUSY, + HAL_ADC_STATE_BUSY_INTERNAL); + + /* Configuration of common ADC parameters */ + + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated only when ADC is disabled: */ + /* - clock configuration */ + if (LL_ADC_IsEnabled(hadc->Instance) == 0UL) + { + if (__LL_ADC_IS_ENABLED_ALL_COMMON_INSTANCE(__LL_ADC_COMMON_INSTANCE(hadc->Instance)) == 0UL) + { + /* Reset configuration of ADC common register CCR: */ + /* */ + /* - ADC clock mode and ACC prescaler (CKMODE and PRESC bits)are set */ + /* according to adc->Init.ClockPrescaler. It selects the clock */ + /* source and sets the clock division factor. */ + /* */ + /* Some parameters of this register are not reset, since they are set */ + /* by other functions and must be kept in case of usage of this */ + /* function on the fly (update of a parameter of ADC_InitTypeDef */ + /* without needing to reconfigure all other ADC groups/channels */ + /* parameters): */ + /* - when multimode feature is available, multimode-related */ + /* parameters: MDMA, DMACFG, DELAY, DUAL (set by API */ + /* HAL_ADCEx_MultiModeConfigChannel() ) */ + /* - internal measurement paths: Vbat, temperature sensor, Vref */ + /* (set into HAL_ADC_ConfigChannel() or */ + /* HAL_ADCEx_InjectedConfigChannel() ) */ + LL_ADC_SetCommonClock(__LL_ADC_COMMON_INSTANCE(hadc->Instance), hadc->Init.ClockPrescaler); + } + } + + /* Configuration of ADC: */ + /* - resolution Init.Resolution */ + /* - external trigger to start conversion Init.ExternalTrigConv */ + /* - external trigger polarity Init.ExternalTrigConvEdge */ + /* - continuous conversion mode Init.ContinuousConvMode */ + /* - overrun Init.Overrun */ + /* - discontinuous mode Init.DiscontinuousConvMode */ + /* - discontinuous mode channel count Init.NbrOfDiscConversion */ +#if defined(ADC_VER_V5_3) + tmpCFGR = (ADC_CFGR_CONTINUOUS((uint32_t)hadc->Init.ContinuousConvMode) | + hadc->Init.Overrun | + hadc->Init.Resolution | + ADC_CFGR_REG_DISCONTINUOUS((uint32_t)hadc->Init.DiscontinuousConvMode) ); + +#else + if((HAL_GetREVID() > REV_ID_Y) && (ADC_RESOLUTION_8B == hadc->Init.Resolution)) + { + /* for STM32H7 silicon rev.B and above , ADC_CFGR_RES value for 8bits resolution is : b111 */ + tmpCFGR = (ADC_CFGR_CONTINUOUS((uint32_t)hadc->Init.ContinuousConvMode) | + hadc->Init.Overrun | + hadc->Init.Resolution |(ADC_CFGR_RES_1|ADC_CFGR_RES_0) | + ADC_CFGR_REG_DISCONTINUOUS((uint32_t)hadc->Init.DiscontinuousConvMode) ); + } + else + { + tmpCFGR = (ADC_CFGR_CONTINUOUS((uint32_t)hadc->Init.ContinuousConvMode) | + hadc->Init.Overrun | + hadc->Init.Resolution | + ADC_CFGR_REG_DISCONTINUOUS((uint32_t)hadc->Init.DiscontinuousConvMode) ); + } + +#endif /* ADC_VER_V5_3 */ + + if (hadc->Init.DiscontinuousConvMode == ENABLE) + { + tmpCFGR |= ADC_CFGR_DISCONTINUOUS_NUM(hadc->Init.NbrOfDiscConversion); + } + + /* Enable external trigger if trigger selection is different of software */ + /* start. */ + /* Note: This configuration keeps the hardware feature of parameter */ + /* ExternalTrigConvEdge "trigger edge none" equivalent to */ + /* software start. */ + if (hadc->Init.ExternalTrigConv != ADC_SOFTWARE_START) + { + tmpCFGR |= ((hadc->Init.ExternalTrigConv & ADC_CFGR_EXTSEL) + | hadc->Init.ExternalTrigConvEdge + ); + } + + /* Update Configuration Register CFGR */ + MODIFY_REG(hadc->Instance->CFGR, ADC_CFGR_FIELDS_1, tmpCFGR); + + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated when ADC is disabled or enabled without */ + /* conversion on going on regular and injected groups: */ + /* - Conversion data management Init.ConversionDataManagement */ + /* - LowPowerAutoWait feature Init.LowPowerAutoWait */ + /* - Oversampling parameters Init.Oversampling */ + tmp_adc_is_conversion_on_going_regular = LL_ADC_REG_IsConversionOngoing(hadc->Instance); + tmp_adc_is_conversion_on_going_injected = LL_ADC_INJ_IsConversionOngoing(hadc->Instance); + if ((tmp_adc_is_conversion_on_going_regular == 0UL) + && (tmp_adc_is_conversion_on_going_injected == 0UL) + ) + { + tmpCFGR = ( + ADC_CFGR_AUTOWAIT((uint32_t)hadc->Init.LowPowerAutoWait) | + ADC_CFGR_DMACONTREQ((uint32_t)hadc->Init.ConversionDataManagement)); + + MODIFY_REG(hadc->Instance->CFGR, ADC_CFGR_FIELDS_2, tmpCFGR); + + if (hadc->Init.OversamplingMode == ENABLE) + { + assert_param(IS_ADC_OVERSAMPLING_RATIO(hadc->Init.Oversampling.Ratio)); + assert_param(IS_ADC_RIGHT_BIT_SHIFT(hadc->Init.Oversampling.RightBitShift)); + assert_param(IS_ADC_TRIGGERED_OVERSAMPLING_MODE(hadc->Init.Oversampling.TriggeredMode)); + assert_param(IS_ADC_REGOVERSAMPLING_MODE(hadc->Init.Oversampling.OversamplingStopReset)); + + if ((hadc->Init.ExternalTrigConv == ADC_SOFTWARE_START) + || (hadc->Init.ExternalTrigConvEdge == ADC_EXTERNALTRIGCONVEDGE_NONE)) + { + /* Multi trigger is not applicable to software-triggered conversions */ + assert_param((hadc->Init.Oversampling.TriggeredMode == ADC_TRIGGEREDMODE_SINGLE_TRIGGER)); + } + + /* Configuration of Oversampler: */ + /* - Oversampling Ratio */ + /* - Right bit shift */ + /* - Left bit shift */ + /* - Triggered mode */ + /* - Oversampling mode (continued/resumed) */ + MODIFY_REG(hadc->Instance->CFGR2, ADC_CFGR2_FIELDS, + ADC_CFGR2_ROVSE | + ((hadc->Init.Oversampling.Ratio - 1UL) << ADC_CFGR2_OVSR_Pos) | + hadc->Init.Oversampling.RightBitShift | + hadc->Init.Oversampling.TriggeredMode | + hadc->Init.Oversampling.OversamplingStopReset); + + } + else + { + /* Disable ADC oversampling scope on ADC group regular */ + CLEAR_BIT(hadc->Instance->CFGR2, ADC_CFGR2_ROVSE); + } + + /* Set the LeftShift parameter: it is applied to the final result with or without oversampling */ + MODIFY_REG(hadc->Instance->CFGR2, ADC_CFGR2_LSHIFT, hadc->Init.LeftBitShift); + + /* Configure the BOOST Mode */ + ADC_ConfigureBoostMode(hadc); + } + + /* Configuration of regular group sequencer: */ + /* - if scan mode is disabled, regular channels sequence length is set to */ + /* 0x00: 1 channel converted (channel on regular rank 1) */ + /* Parameter "NbrOfConversion" is discarded. */ + /* Note: Scan mode is not present by hardware on this device, but */ + /* emulated by software for alignment over all STM32 devices. */ + /* - if scan mode is enabled, regular channels sequence length is set to */ + /* parameter "NbrOfConversion". */ + + if (hadc->Init.ScanConvMode == ADC_SCAN_ENABLE) + { + /* Set number of ranks in regular group sequencer */ + MODIFY_REG(hadc->Instance->SQR1, ADC_SQR1_L, (hadc->Init.NbrOfConversion - (uint8_t)1)); + } + else + { + CLEAR_BIT(hadc->Instance->SQR1, ADC_SQR1_L); + } + + /* Initialize the ADC state */ + /* Clear HAL_ADC_STATE_BUSY_INTERNAL bit, set HAL_ADC_STATE_READY bit */ + ADC_STATE_CLR_SET(hadc->State, HAL_ADC_STATE_BUSY_INTERNAL, HAL_ADC_STATE_READY); + } + else + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + tmp_hal_status = HAL_ERROR; + } + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Deinitialize the ADC peripheral registers to their default reset + * values, with deinitialization of the ADC MSP. + * @note For devices with several ADCs: reset of ADC common registers is done + * only if all ADCs sharing the same common group are disabled. + * (function "HAL_ADC_MspDeInit()" is also called under the same conditions: + * all ADC instances use the same core clock at RCC level, disabling + * the core clock reset all ADC instances). + * If this is not the case, reset of these common parameters reset is + * bypassed without error reporting: it can be the intended behavior in + * case of reset of a single ADC while the other ADCs sharing the same + * common group is still running. + * @note By default, HAL_ADC_DeInit() set ADC in mode deep power-down: + * this saves more power by reducing leakage currents + * and is particularly interesting before entering MCU low-power modes. + * @param hadc ADC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_DeInit(ADC_HandleTypeDef *hadc) +{ + HAL_StatusTypeDef tmp_hal_status; + + /* Check ADC handle */ + if (hadc == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_BUSY_INTERNAL); + + /* Stop potential conversion on going */ + tmp_hal_status = ADC_ConversionStop(hadc, ADC_REGULAR_INJECTED_GROUP); + + /* Disable ADC peripheral if conversions are effectively stopped */ + /* Flush register JSQR: reset the queue sequencer when injected */ + /* queue sequencer is enabled and ADC disabled. */ + /* The software and hardware triggers of the injected sequence are both */ + /* internally disabled just after the completion of the last valid */ + /* injected sequence. */ + SET_BIT(hadc->Instance->CFGR, ADC_CFGR_JQM); + + /* Disable ADC peripheral if conversions are effectively stopped */ + if (tmp_hal_status == HAL_OK) + { + /* Disable the ADC peripheral */ + tmp_hal_status = ADC_Disable(hadc); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status == HAL_OK) + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_READY; + } + } + + /* Note: HAL ADC deInit is done independently of ADC conversion stop */ + /* and disable return status. In case of status fail, attempt to */ + /* perform deinitialization anyway and it is up user code in */ + /* in HAL_ADC_MspDeInit() to reset the ADC peripheral using */ + /* system RCC hard reset. */ + + /* ========== Reset ADC registers ========== */ + /* Reset register IER */ + __HAL_ADC_DISABLE_IT(hadc, (ADC_IT_AWD3 | ADC_IT_AWD2 | ADC_IT_AWD1 | + ADC_IT_JQOVF | ADC_IT_OVR | + ADC_IT_JEOS | ADC_IT_JEOC | + ADC_IT_EOS | ADC_IT_EOC | + ADC_IT_EOSMP | ADC_IT_RDY)); + + /* Reset register ISR */ + __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_AWD3 | ADC_FLAG_AWD2 | ADC_FLAG_AWD1 | + ADC_FLAG_JQOVF | ADC_FLAG_OVR | + ADC_FLAG_JEOS | ADC_FLAG_JEOC | + ADC_FLAG_EOS | ADC_FLAG_EOC | + ADC_FLAG_EOSMP | ADC_FLAG_RDY)); + + /* Reset register CR */ + /* Bits ADC_CR_JADSTP, ADC_CR_ADSTP, ADC_CR_JADSTART, ADC_CR_ADSTART, + ADC_CR_ADCAL, ADC_CR_ADDIS and ADC_CR_ADEN are in access mode "read-set": + no direct reset applicable. + Update CR register to reset value where doable by software */ + CLEAR_BIT(hadc->Instance->CR, ADC_CR_ADVREGEN | ADC_CR_ADCALDIF); + SET_BIT(hadc->Instance->CR, ADC_CR_DEEPPWD); + + /* Reset register CFGR */ + CLEAR_BIT(hadc->Instance->CFGR, ADC_CFGR_AWD1CH | ADC_CFGR_JAUTO | ADC_CFGR_JAWD1EN | + ADC_CFGR_AWD1EN | ADC_CFGR_AWD1SGL | ADC_CFGR_JQM | + ADC_CFGR_JDISCEN | ADC_CFGR_DISCNUM | ADC_CFGR_DISCEN | + ADC_CFGR_AUTDLY | ADC_CFGR_CONT | ADC_CFGR_OVRMOD | + ADC_CFGR_EXTEN | ADC_CFGR_EXTSEL | + ADC_CFGR_RES | ADC_CFGR_DMNGT); + SET_BIT(hadc->Instance->CFGR, ADC_CFGR_JQDIS); + + /* Reset register CFGR2 */ + CLEAR_BIT(hadc->Instance->CFGR2, ADC_CFGR2_ROVSM | ADC_CFGR2_TROVS | ADC_CFGR2_OVSS | + ADC_CFGR2_OVSR | ADC_CFGR2_JOVSE | ADC_CFGR2_ROVSE); + + /* Reset register SMPR1 */ + CLEAR_BIT(hadc->Instance->SMPR1, ADC_SMPR1_FIELDS); + + /* Reset register SMPR2 */ + CLEAR_BIT(hadc->Instance->SMPR2, ADC_SMPR2_SMP18 | ADC_SMPR2_SMP17 | ADC_SMPR2_SMP16 | + ADC_SMPR2_SMP15 | ADC_SMPR2_SMP14 | ADC_SMPR2_SMP13 | + ADC_SMPR2_SMP12 | ADC_SMPR2_SMP11 | ADC_SMPR2_SMP10); + + /* Reset register LTR1 and HTR1 */ + CLEAR_BIT(hadc->Instance->LTR1, ADC_LTR_LT); + CLEAR_BIT(hadc->Instance->HTR1, ADC_HTR_HT); + + /* Reset register LTR2 and HTR2*/ + CLEAR_BIT(hadc->Instance->LTR2, ADC_LTR_LT); + CLEAR_BIT(hadc->Instance->HTR2, ADC_HTR_HT); + + /* Reset register LTR3 and HTR3 */ + CLEAR_BIT(hadc->Instance->LTR3, ADC_LTR_LT); + CLEAR_BIT(hadc->Instance->HTR3, ADC_HTR_HT); + + /* Reset register SQR1 */ + CLEAR_BIT(hadc->Instance->SQR1, ADC_SQR1_SQ4 | ADC_SQR1_SQ3 | ADC_SQR1_SQ2 | + ADC_SQR1_SQ1 | ADC_SQR1_L); + + /* Reset register SQR2 */ + CLEAR_BIT(hadc->Instance->SQR2, ADC_SQR2_SQ9 | ADC_SQR2_SQ8 | ADC_SQR2_SQ7 | + ADC_SQR2_SQ6 | ADC_SQR2_SQ5); + + /* Reset register SQR3 */ + CLEAR_BIT(hadc->Instance->SQR3, ADC_SQR3_SQ14 | ADC_SQR3_SQ13 | ADC_SQR3_SQ12 | + ADC_SQR3_SQ11 | ADC_SQR3_SQ10); + + /* Reset register SQR4 */ + CLEAR_BIT(hadc->Instance->SQR4, ADC_SQR4_SQ16 | ADC_SQR4_SQ15); + + /* Register JSQR was reset when the ADC was disabled */ + + /* Reset register DR */ + /* bits in access mode read only, no direct reset applicable*/ + + /* Reset register OFR1 */ + CLEAR_BIT(hadc->Instance->OFR1, ADC_OFR1_SSATE | ADC_OFR1_OFFSET1_CH | ADC_OFR1_OFFSET1); + /* Reset register OFR2 */ + CLEAR_BIT(hadc->Instance->OFR2, ADC_OFR2_SSATE | ADC_OFR2_OFFSET2_CH | ADC_OFR2_OFFSET2); + /* Reset register OFR3 */ + CLEAR_BIT(hadc->Instance->OFR3, ADC_OFR3_SSATE | ADC_OFR3_OFFSET3_CH | ADC_OFR3_OFFSET3); + /* Reset register OFR4 */ + CLEAR_BIT(hadc->Instance->OFR4, ADC_OFR4_SSATE | ADC_OFR4_OFFSET4_CH | ADC_OFR4_OFFSET4); + + /* Reset registers JDR1, JDR2, JDR3, JDR4 */ + /* bits in access mode read only, no direct reset applicable*/ + + /* Reset register AWD2CR */ + CLEAR_BIT(hadc->Instance->AWD2CR, ADC_AWD2CR_AWD2CH); + + /* Reset register AWD3CR */ + CLEAR_BIT(hadc->Instance->AWD3CR, ADC_AWD3CR_AWD3CH); + + /* Reset register DIFSEL */ + CLEAR_BIT(hadc->Instance->DIFSEL, ADC_DIFSEL_DIFSEL); + + /* Reset register CALFACT */ + CLEAR_BIT(hadc->Instance->CALFACT, ADC_CALFACT_CALFACT_D | ADC_CALFACT_CALFACT_S); + + + /* ========== Reset common ADC registers ========== */ + + /* Software is allowed to change common parameters only when all the other + ADCs are disabled. */ + if (__LL_ADC_IS_ENABLED_ALL_COMMON_INSTANCE(__LL_ADC_COMMON_INSTANCE(hadc->Instance)) == 0UL) + { + /* Reset configuration of ADC common register CCR: + - clock mode: CKMODE, PRESCEN + - multimode related parameters(when this feature is available): DELAY, DUAL + (set into HAL_ADCEx_MultiModeConfigChannel() API) + - internal measurement paths: Vbat, temperature sensor, Vref (set into + HAL_ADC_ConfigChannel() or HAL_ADCEx_InjectedConfigChannel() ) + */ + ADC_CLEAR_COMMON_CONTROL_REGISTER(hadc); + } + + /* DeInit the low level hardware. + + For example: + __HAL_RCC_ADC_FORCE_RESET(); + __HAL_RCC_ADC_RELEASE_RESET(); + __HAL_RCC_ADC_CLK_DISABLE(); + + Keep in mind that all ADCs use the same clock: disabling + the clock will reset all ADCs. + + */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + if (hadc->MspDeInitCallback == NULL) + { + hadc->MspDeInitCallback = HAL_ADC_MspDeInit; /* Legacy weak MspDeInit */ + } + + /* DeInit the low level hardware: RCC clock, NVIC */ + hadc->MspDeInitCallback(hadc); +#else + /* DeInit the low level hardware: RCC clock, NVIC */ + HAL_ADC_MspDeInit(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Set ADC error code to none */ + ADC_CLEAR_ERRORCODE(hadc); + + /* Reset injected channel configuration parameters */ + hadc->InjectionConfig.ContextQueue = 0; + hadc->InjectionConfig.ChannelCount = 0; + + /* Set ADC state */ + hadc->State = HAL_ADC_STATE_RESET; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Initialize the ADC MSP. + * @param hadc ADC handle + * @retval None + */ +__weak void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hadc); + + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_MspInit must be implemented in the user file. + */ +} + +/** + * @brief DeInitialize the ADC MSP. + * @param hadc ADC handle + * @note All ADC instances use the same core clock at RCC level, disabling + * the core clock reset all ADC instances). + * @retval None + */ +__weak void HAL_ADC_MspDeInit(ADC_HandleTypeDef *hadc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hadc); + + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_MspDeInit must be implemented in the user file. + */ +} + +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) +/** + * @brief Register a User ADC Callback + * To be used instead of the weak predefined callback + * @param hadc Pointer to a ADC_HandleTypeDef structure that contains + * the configuration information for the specified ADC. + * @param CallbackID ID of the callback to be registered + * This parameter can be one of the following values: + * @arg @ref HAL_ADC_CONVERSION_COMPLETE_CB_ID ADC conversion complete callback ID + * @arg @ref HAL_ADC_CONVERSION_HALF_CB_ID ADC conversion DMA half-transfer callback ID + * @arg @ref HAL_ADC_LEVEL_OUT_OF_WINDOW_1_CB_ID ADC analog watchdog 1 callback ID + * @arg @ref HAL_ADC_ERROR_CB_ID ADC error callback ID + * @arg @ref HAL_ADC_INJ_CONVERSION_COMPLETE_CB_ID ADC group injected conversion complete callback ID + * @arg @ref HAL_ADC_INJ_QUEUE_OVEFLOW_CB_ID ADC group injected context queue overflow callback ID + * @arg @ref HAL_ADC_LEVEL_OUT_OF_WINDOW_2_CB_ID ADC analog watchdog 2 callback ID + * @arg @ref HAL_ADC_LEVEL_OUT_OF_WINDOW_3_CB_ID ADC analog watchdog 3 callback ID + * @arg @ref HAL_ADC_END_OF_SAMPLING_CB_ID ADC end of sampling callback ID + * @arg @ref HAL_ADC_MSPINIT_CB_ID ADC Msp Init callback ID + * @arg @ref HAL_ADC_MSPDEINIT_CB_ID ADC Msp DeInit callback ID + * @param pCallback pointer to the Callback function + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_RegisterCallback(ADC_HandleTypeDef *hadc, HAL_ADC_CallbackIDTypeDef CallbackID, pADC_CallbackTypeDef pCallback) +{ + HAL_StatusTypeDef status = HAL_OK; + + if (pCallback == NULL) + { + /* Update the error code */ + hadc->ErrorCode |= HAL_ADC_ERROR_INVALID_CALLBACK; + + return HAL_ERROR; + } + + if ((hadc->State & HAL_ADC_STATE_READY) != 0UL) + { + switch (CallbackID) + { + case HAL_ADC_CONVERSION_COMPLETE_CB_ID : + hadc->ConvCpltCallback = pCallback; + break; + + case HAL_ADC_CONVERSION_HALF_CB_ID : + hadc->ConvHalfCpltCallback = pCallback; + break; + + case HAL_ADC_LEVEL_OUT_OF_WINDOW_1_CB_ID : + hadc->LevelOutOfWindowCallback = pCallback; + break; + + case HAL_ADC_ERROR_CB_ID : + hadc->ErrorCallback = pCallback; + break; + + case HAL_ADC_INJ_CONVERSION_COMPLETE_CB_ID : + hadc->InjectedConvCpltCallback = pCallback; + break; + + case HAL_ADC_INJ_QUEUE_OVEFLOW_CB_ID : + hadc->InjectedQueueOverflowCallback = pCallback; + break; + + case HAL_ADC_LEVEL_OUT_OF_WINDOW_2_CB_ID : + hadc->LevelOutOfWindow2Callback = pCallback; + break; + + case HAL_ADC_LEVEL_OUT_OF_WINDOW_3_CB_ID : + hadc->LevelOutOfWindow3Callback = pCallback; + break; + + case HAL_ADC_END_OF_SAMPLING_CB_ID : + hadc->EndOfSamplingCallback = pCallback; + break; + + case HAL_ADC_MSPINIT_CB_ID : + hadc->MspInitCallback = pCallback; + break; + + case HAL_ADC_MSPDEINIT_CB_ID : + hadc->MspDeInitCallback = pCallback; + break; + + default : + /* Update the error code */ + hadc->ErrorCode |= HAL_ADC_ERROR_INVALID_CALLBACK; + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else if (HAL_ADC_STATE_RESET == hadc->State) + { + switch (CallbackID) + { + case HAL_ADC_MSPINIT_CB_ID : + hadc->MspInitCallback = pCallback; + break; + + case HAL_ADC_MSPDEINIT_CB_ID : + hadc->MspDeInitCallback = pCallback; + break; + + default : + /* Update the error code */ + hadc->ErrorCode |= HAL_ADC_ERROR_INVALID_CALLBACK; + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else + { + /* Update the error code */ + hadc->ErrorCode |= HAL_ADC_ERROR_INVALID_CALLBACK; + + /* Return error status */ + status = HAL_ERROR; + } + + return status; +} + +/** + * @brief Unregister a ADC Callback + * ADC callback is redirected to the weak predefined callback + * @param hadc Pointer to a ADC_HandleTypeDef structure that contains + * the configuration information for the specified ADC. + * @param CallbackID ID of the callback to be unregistered + * This parameter can be one of the following values: + * @arg @ref HAL_ADC_CONVERSION_COMPLETE_CB_ID ADC conversion complete callback ID + * @arg @ref HAL_ADC_CONVERSION_HALF_CB_ID ADC conversion DMA half-transfer callback ID + * @arg @ref HAL_ADC_LEVEL_OUT_OF_WINDOW_1_CB_ID ADC analog watchdog 1 callback ID + * @arg @ref HAL_ADC_ERROR_CB_ID ADC error callback ID + * @arg @ref HAL_ADC_INJ_CONVERSION_COMPLETE_CB_ID ADC group injected conversion complete callback ID + * @arg @ref HAL_ADC_INJ_QUEUE_OVEFLOW_CB_ID ADC group injected context queue overflow callback ID + * @arg @ref HAL_ADC_LEVEL_OUT_OF_WINDOW_2_CB_ID ADC analog watchdog 2 callback ID + * @arg @ref HAL_ADC_LEVEL_OUT_OF_WINDOW_3_CB_ID ADC analog watchdog 3 callback ID + * @arg @ref HAL_ADC_END_OF_SAMPLING_CB_ID ADC end of sampling callback ID + * @arg @ref HAL_ADC_MSPINIT_CB_ID ADC Msp Init callback ID + * @arg @ref HAL_ADC_MSPDEINIT_CB_ID ADC Msp DeInit callback ID + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_UnRegisterCallback(ADC_HandleTypeDef *hadc, HAL_ADC_CallbackIDTypeDef CallbackID) +{ + HAL_StatusTypeDef status = HAL_OK; + + if ((hadc->State & HAL_ADC_STATE_READY) != 0UL) + { + switch (CallbackID) + { + case HAL_ADC_CONVERSION_COMPLETE_CB_ID : + hadc->ConvCpltCallback = HAL_ADC_ConvCpltCallback; + break; + + case HAL_ADC_CONVERSION_HALF_CB_ID : + hadc->ConvHalfCpltCallback = HAL_ADC_ConvHalfCpltCallback; + break; + + case HAL_ADC_LEVEL_OUT_OF_WINDOW_1_CB_ID : + hadc->LevelOutOfWindowCallback = HAL_ADC_LevelOutOfWindowCallback; + break; + + case HAL_ADC_ERROR_CB_ID : + hadc->ErrorCallback = HAL_ADC_ErrorCallback; + break; + + case HAL_ADC_INJ_CONVERSION_COMPLETE_CB_ID : + hadc->InjectedConvCpltCallback = HAL_ADCEx_InjectedConvCpltCallback; + break; + + case HAL_ADC_INJ_QUEUE_OVEFLOW_CB_ID : + hadc->InjectedQueueOverflowCallback = HAL_ADCEx_InjectedQueueOverflowCallback; + break; + + case HAL_ADC_LEVEL_OUT_OF_WINDOW_2_CB_ID : + hadc->LevelOutOfWindow2Callback = HAL_ADCEx_LevelOutOfWindow2Callback; + break; + + case HAL_ADC_LEVEL_OUT_OF_WINDOW_3_CB_ID : + hadc->LevelOutOfWindow3Callback = HAL_ADCEx_LevelOutOfWindow3Callback; + break; + + case HAL_ADC_END_OF_SAMPLING_CB_ID : + hadc->EndOfSamplingCallback = HAL_ADCEx_EndOfSamplingCallback; + break; + + case HAL_ADC_MSPINIT_CB_ID : + hadc->MspInitCallback = HAL_ADC_MspInit; /* Legacy weak MspInit */ + break; + + case HAL_ADC_MSPDEINIT_CB_ID : + hadc->MspDeInitCallback = HAL_ADC_MspDeInit; /* Legacy weak MspDeInit */ + break; + + default : + /* Update the error code */ + hadc->ErrorCode |= HAL_ADC_ERROR_INVALID_CALLBACK; + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else if (HAL_ADC_STATE_RESET == hadc->State) + { + switch (CallbackID) + { + case HAL_ADC_MSPINIT_CB_ID : + hadc->MspInitCallback = HAL_ADC_MspInit; /* Legacy weak MspInit */ + break; + + case HAL_ADC_MSPDEINIT_CB_ID : + hadc->MspDeInitCallback = HAL_ADC_MspDeInit; /* Legacy weak MspDeInit */ + break; + + default : + /* Update the error code */ + hadc->ErrorCode |= HAL_ADC_ERROR_INVALID_CALLBACK; + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else + { + /* Update the error code */ + hadc->ErrorCode |= HAL_ADC_ERROR_INVALID_CALLBACK; + + /* Return error status */ + status = HAL_ERROR; + } + + return status; +} + +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + +/** + * @} + */ + +/** @defgroup ADC_Exported_Functions_Group2 ADC Input and Output operation functions + * @brief ADC IO operation functions + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Start conversion of regular group. + (+) Stop conversion of regular group. + (+) Poll for conversion complete on regular group. + (+) Poll for conversion event. + (+) Get result of regular channel conversion. + (+) Start conversion of regular group and enable interruptions. + (+) Stop conversion of regular group and disable interruptions. + (+) Handle ADC interrupt request + (+) Start conversion of regular group and enable DMA transfer. + (+) Stop conversion of regular group and disable ADC DMA transfer. +@endverbatim + * @{ + */ + +/** + * @brief Enable ADC, start conversion of regular group. + * @note Interruptions enabled in this function: None. + * @note Case of multimode enabled (when multimode feature is available): + * if ADC is Slave, ADC is enabled but conversion is not started, + * if ADC is master, ADC is enabled and multimode conversion is started. + * @param hadc ADC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef *hadc) +{ + HAL_StatusTypeDef tmp_hal_status; + const ADC_TypeDef *tmpADC_Master; + uint32_t tmp_multimode_config = LL_ADC_GetMultimode(__LL_ADC_COMMON_INSTANCE(hadc->Instance)); + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Perform ADC enable and conversion start if no conversion is on going */ + if (LL_ADC_REG_IsConversionOngoing(hadc->Instance) == 0UL) + { + /* Process locked */ + __HAL_LOCK(hadc); + + /* Enable the ADC peripheral */ + tmp_hal_status = ADC_Enable(hadc); + + /* Start conversion if ADC is effectively enabled */ + if (tmp_hal_status == HAL_OK) + { + /* Set ADC state */ + /* - Clear state bitfield related to regular group conversion results */ + /* - Set state bitfield related to regular operation */ + ADC_STATE_CLR_SET(hadc->State, + HAL_ADC_STATE_READY | HAL_ADC_STATE_REG_EOC | HAL_ADC_STATE_REG_OVR | HAL_ADC_STATE_REG_EOSMP, + HAL_ADC_STATE_REG_BUSY); + + /* Reset HAL_ADC_STATE_MULTIMODE_SLAVE bit + - if ADC instance is master or if multimode feature is not available + - if multimode setting is disabled (ADC instance slave in independent mode) */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + ) + { + CLEAR_BIT(hadc->State, HAL_ADC_STATE_MULTIMODE_SLAVE); + } + + /* Set ADC error code */ + /* Check if a conversion is on going on ADC group injected */ + if (HAL_IS_BIT_SET(hadc->State, HAL_ADC_STATE_INJ_BUSY)) + { + /* Reset ADC error code fields related to regular conversions only */ + CLEAR_BIT(hadc->ErrorCode, (HAL_ADC_ERROR_OVR | HAL_ADC_ERROR_DMA)); + } + else + { + /* Reset all ADC error code fields */ + ADC_CLEAR_ERRORCODE(hadc); + } + + /* Clear ADC group regular conversion flag and overrun flag */ + /* (To ensure of no unknown state from potential previous ADC operations) */ + __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_EOC | ADC_FLAG_EOS | ADC_FLAG_OVR)); + + /* Process unlocked */ + /* Unlock before starting ADC conversions: in case of potential */ + /* interruption, to let the process to ADC IRQ Handler. */ + __HAL_UNLOCK(hadc); + + /* Enable conversion of regular group. */ + /* If software start has been selected, conversion starts immediately. */ + /* If external trigger has been selected, conversion will start at next */ + /* trigger event. */ + /* Case of multimode enabled (when multimode feature is available): */ + /* - if ADC is slave and dual regular conversions are enabled, ADC is */ + /* enabled only (conversion is not started), */ + /* - if ADC is master, ADC is enabled and conversion is started. */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_SIMULT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_ALTERN) + ) + { + /* ADC instance is not a multimode slave instance with multimode regular conversions enabled */ + if (READ_BIT(hadc->Instance->CFGR, ADC_CFGR_JAUTO) != 0UL) + { + ADC_STATE_CLR_SET(hadc->State, HAL_ADC_STATE_INJ_EOC, HAL_ADC_STATE_INJ_BUSY); + } + + /* Start ADC group regular conversion */ + LL_ADC_REG_StartConversion(hadc->Instance); + } + else + { + /* ADC instance is a multimode slave instance with multimode regular conversions enabled */ + SET_BIT(hadc->State, HAL_ADC_STATE_MULTIMODE_SLAVE); + /* if Master ADC JAUTO bit is set, update Slave State in setting + HAL_ADC_STATE_INJ_BUSY bit and in resetting HAL_ADC_STATE_INJ_EOC bit */ + tmpADC_Master = __LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance); + if (READ_BIT(tmpADC_Master->CFGR, ADC_CFGR_JAUTO) != 0UL) + { + ADC_STATE_CLR_SET(hadc->State, HAL_ADC_STATE_INJ_EOC, HAL_ADC_STATE_INJ_BUSY); + } + + } + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hadc); + } + } + else + { + tmp_hal_status = HAL_BUSY; + } + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Stop ADC conversion of regular group (and injected channels in + * case of auto_injection mode), disable ADC peripheral. + * @note: ADC peripheral disable is forcing stop of potential + * conversion on injected group. If injected group is under use, it + * should be preliminarily stopped using HAL_ADCEx_InjectedStop function. + * @param hadc ADC handle + * @retval HAL status. + */ +HAL_StatusTypeDef HAL_ADC_Stop(ADC_HandleTypeDef *hadc) +{ + HAL_StatusTypeDef tmp_hal_status; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Process locked */ + __HAL_LOCK(hadc); + + /* 1. Stop potential conversion on going, on ADC groups regular and injected */ + tmp_hal_status = ADC_ConversionStop(hadc, ADC_REGULAR_INJECTED_GROUP); + + /* Disable ADC peripheral if conversions are effectively stopped */ + if (tmp_hal_status == HAL_OK) + { + /* 2. Disable the ADC peripheral */ + tmp_hal_status = ADC_Disable(hadc); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status == HAL_OK) + { + /* Set ADC state */ + ADC_STATE_CLR_SET(hadc->State, + HAL_ADC_STATE_REG_BUSY | HAL_ADC_STATE_INJ_BUSY, + HAL_ADC_STATE_READY); + } + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Wait for regular group conversion to be completed. + * @note ADC conversion flags EOS (end of sequence) and EOC (end of + * conversion) are cleared by this function, with an exception: + * if low power feature "LowPowerAutoWait" is enabled, flags are + * not cleared to not interfere with this feature until data register + * is read using function HAL_ADC_GetValue(). + * @note This function cannot be used in a particular setup: ADC configured + * in DMA mode and polling for end of each conversion (ADC init + * parameter "EOCSelection" set to ADC_EOC_SINGLE_CONV). + * In this case, DMA resets the flag EOC and polling cannot be + * performed on each conversion. Nevertheless, polling can still + * be performed on the complete sequence (ADC init + * parameter "EOCSelection" set to ADC_EOC_SEQ_CONV). + * @param hadc ADC handle + * @param Timeout Timeout value in millisecond. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_PollForConversion(ADC_HandleTypeDef *hadc, uint32_t Timeout) +{ + uint32_t tickstart; + uint32_t tmp_Flag_End; + uint32_t tmp_cfgr; + const ADC_TypeDef *tmpADC_Master; + uint32_t tmp_multimode_config = LL_ADC_GetMultimode(__LL_ADC_COMMON_INSTANCE(hadc->Instance)); + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* If end of conversion selected to end of sequence conversions */ + if (hadc->Init.EOCSelection == ADC_EOC_SEQ_CONV) + { + tmp_Flag_End = ADC_FLAG_EOS; + } + /* If end of conversion selected to end of unitary conversion */ + else /* ADC_EOC_SINGLE_CONV */ + { + /* Verification that ADC configuration is compliant with polling for */ + /* each conversion: */ + /* Particular case is ADC configured in DMA mode and ADC sequencer with */ + /* several ranks and polling for end of each conversion. */ + /* For code simplicity sake, this particular case is generalized to */ + /* ADC configured in DMA mode and and polling for end of each conversion. */ + if ((tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_SIMULT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_ALTERN) + ) + { + /* Check DMNGT bit in handle ADC CFGR register */ + if (READ_BIT(hadc->Instance->CFGR, ADC_CFGR_DMNGT_0) != 0UL) + { + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); + return HAL_ERROR; + } + else + { + tmp_Flag_End = (ADC_FLAG_EOC); + } + } + else + { + /* Check ADC DMA mode in multimode on ADC group regular */ + if (LL_ADC_GetMultiDMATransfer(__LL_ADC_COMMON_INSTANCE(hadc->Instance)) != LL_ADC_MULTI_REG_DMA_EACH_ADC) + { + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); + return HAL_ERROR; + } + else + { + tmp_Flag_End = (ADC_FLAG_EOC); + } + } + } + + /* Get tick count */ + tickstart = HAL_GetTick(); + + /* Wait until End of unitary conversion or sequence conversions flag is raised */ + while ((hadc->Instance->ISR & tmp_Flag_End) == 0UL) + { + /* Check if timeout is disabled (set to infinite wait) */ + if (Timeout != HAL_MAX_DELAY) + { + if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0UL)) + { + /* Update ADC state machine to timeout */ + SET_BIT(hadc->State, HAL_ADC_STATE_TIMEOUT); + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_TIMEOUT; + } + } + } + + /* Update ADC state machine */ + SET_BIT(hadc->State, HAL_ADC_STATE_REG_EOC); + + /* Determine whether any further conversion upcoming on group regular */ + /* by external trigger, continuous mode or scan sequence on going. */ + if ((LL_ADC_REG_IsTriggerSourceSWStart(hadc->Instance) != 0UL) + && (hadc->Init.ContinuousConvMode == DISABLE) + ) + { + /* Check whether end of sequence is reached */ + if (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOS)) + { + /* Set ADC state */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_REG_BUSY); + + if ((hadc->State & HAL_ADC_STATE_INJ_BUSY) == 0UL) + { + SET_BIT(hadc->State, HAL_ADC_STATE_READY); + } + } + } + + /* Get relevant register CFGR in ADC instance of ADC master or slave */ + /* in function of multimode state (for devices with multimode */ + /* available). */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_SIMULT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_ALTERN) + ) + { + /* Retrieve handle ADC CFGR register */ + tmp_cfgr = READ_REG(hadc->Instance->CFGR); + } + else + { + /* Retrieve Master ADC CFGR register */ + tmpADC_Master = __LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance); + tmp_cfgr = READ_REG(tmpADC_Master->CFGR); + } + + /* Clear polled flag */ + if (tmp_Flag_End == ADC_FLAG_EOS) + { + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_EOS); + } + else + { + /* Clear end of conversion EOC flag of regular group if low power feature */ + /* "LowPowerAutoWait " is disabled, to not interfere with this feature */ + /* until data register is read using function HAL_ADC_GetValue(). */ + if (READ_BIT(tmp_cfgr, ADC_CFGR_AUTDLY) == 0UL) + { + __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_EOC | ADC_FLAG_EOS)); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Poll for ADC event. + * @param hadc ADC handle + * @param EventType the ADC event type. + * This parameter can be one of the following values: + * @arg @ref ADC_EOSMP_EVENT ADC End of Sampling event + * @arg @ref ADC_AWD1_EVENT ADC Analog watchdog 1 event (main analog watchdog, present on all STM32 devices) + * @arg @ref ADC_AWD2_EVENT ADC Analog watchdog 2 event (additional analog watchdog, not present on all STM32 families) + * @arg @ref ADC_AWD3_EVENT ADC Analog watchdog 3 event (additional analog watchdog, not present on all STM32 families) + * @arg @ref ADC_OVR_EVENT ADC Overrun event + * @arg @ref ADC_JQOVF_EVENT ADC Injected context queue overflow event + * @param Timeout Timeout value in millisecond. + * @note The relevant flag is cleared if found to be set, except for ADC_FLAG_OVR. + * Indeed, the latter is reset only if hadc->Init.Overrun field is set + * to ADC_OVR_DATA_OVERWRITTEN. Otherwise, data register may be potentially overwritten + * by a new converted data as soon as OVR is cleared. + * To reset OVR flag once the preserved data is retrieved, the user can resort + * to macro __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_OVR); + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_PollForEvent(ADC_HandleTypeDef *hadc, uint32_t EventType, uint32_t Timeout) +{ + uint32_t tickstart; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_EVENT_TYPE(EventType)); + + /* Get tick count */ + tickstart = HAL_GetTick(); + + /* Check selected event flag */ + while (__HAL_ADC_GET_FLAG(hadc, EventType) == 0UL) + { + /* Check if timeout is disabled (set to infinite wait) */ + if (Timeout != HAL_MAX_DELAY) + { + if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0UL)) + { + /* Update ADC state machine to timeout */ + SET_BIT(hadc->State, HAL_ADC_STATE_TIMEOUT); + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_TIMEOUT; + } + } + } + + switch (EventType) + { + /* End Of Sampling event */ + case ADC_EOSMP_EVENT: + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_REG_EOSMP); + + /* Clear the End Of Sampling flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_EOSMP); + + break; + + /* Analog watchdog (level out of window) event */ + /* Note: In case of several analog watchdog enabled, if needed to know */ + /* which one triggered and on which ADCx, test ADC state of analog watchdog */ + /* flags HAL_ADC_STATE_AWD1/2/3 using function "HAL_ADC_GetState()". */ + /* For example: */ + /* " if ((HAL_ADC_GetState(hadc1) & HAL_ADC_STATE_AWD1) != 0UL) " */ + /* " if ((HAL_ADC_GetState(hadc1) & HAL_ADC_STATE_AWD2) != 0UL) " */ + /* " if ((HAL_ADC_GetState(hadc1) & HAL_ADC_STATE_AWD3) != 0UL) " */ + + /* Check analog watchdog 1 flag */ + case ADC_AWD_EVENT: + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_AWD1); + + /* Clear ADC analog watchdog flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_AWD1); + + break; + + /* Check analog watchdog 2 flag */ + case ADC_AWD2_EVENT: + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_AWD2); + + /* Clear ADC analog watchdog flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_AWD2); + + break; + + /* Check analog watchdog 3 flag */ + case ADC_AWD3_EVENT: + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_AWD3); + + /* Clear ADC analog watchdog flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_AWD3); + + break; + + /* Injected context queue overflow event */ + case ADC_JQOVF_EVENT: + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_INJ_JQOVF); + + /* Set ADC error code to Injected context queue overflow */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_JQOVF); + + /* Clear ADC Injected context queue overflow flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JQOVF); + + break; + + /* Overrun event */ + default: /* Case ADC_OVR_EVENT */ + /* If overrun is set to overwrite previous data, overrun event is not */ + /* considered as an error. */ + /* (cf ref manual "Managing conversions without using the DMA and without */ + /* overrun ") */ + if (hadc->Init.Overrun == ADC_OVR_DATA_PRESERVED) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_REG_OVR); + + /* Set ADC error code to overrun */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_OVR); + } + else + { + /* Clear ADC Overrun flag only if Overrun is set to ADC_OVR_DATA_OVERWRITTEN + otherwise, data register is potentially overwritten by new converted data as soon + as OVR is cleared. */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_OVR); + } + break; + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Enable ADC, start conversion of regular group with interruption. + * @note Interruptions enabled in this function according to initialization + * setting : EOC (end of conversion), EOS (end of sequence), + * OVR overrun. + * Each of these interruptions has its dedicated callback function. + * @note Case of multimode enabled (when multimode feature is available): + * HAL_ADC_Start_IT() must be called for ADC Slave first, then for + * ADC Master. + * For ADC Slave, ADC is enabled only (conversion is not started). + * For ADC Master, ADC is enabled and multimode conversion is started. + * @note To guarantee a proper reset of all interruptions once all the needed + * conversions are obtained, HAL_ADC_Stop_IT() must be called to ensure + * a correct stop of the IT-based conversions. + * @note By default, HAL_ADC_Start_IT() does not enable the End Of Sampling + * interruption. If required (e.g. in case of oversampling with trigger + * mode), the user must: + * 1. first clear the EOSMP flag if set with macro __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_EOSMP) + * 2. then enable the EOSMP interrupt with macro __HAL_ADC_ENABLE_IT(hadc, ADC_IT_EOSMP) + * before calling HAL_ADC_Start_IT(). + * @param hadc ADC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef *hadc) +{ + HAL_StatusTypeDef tmp_hal_status; + const ADC_TypeDef *tmpADC_Master; + uint32_t tmp_multimode_config = LL_ADC_GetMultimode(__LL_ADC_COMMON_INSTANCE(hadc->Instance)); + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Perform ADC enable and conversion start if no conversion is on going */ + if (LL_ADC_REG_IsConversionOngoing(hadc->Instance) == 0UL) + { + /* Process locked */ + __HAL_LOCK(hadc); + + /* Enable the ADC peripheral */ + tmp_hal_status = ADC_Enable(hadc); + + /* Start conversion if ADC is effectively enabled */ + if (tmp_hal_status == HAL_OK) + { + /* Set ADC state */ + /* - Clear state bitfield related to regular group conversion results */ + /* - Set state bitfield related to regular operation */ + ADC_STATE_CLR_SET(hadc->State, + HAL_ADC_STATE_READY | HAL_ADC_STATE_REG_EOC | HAL_ADC_STATE_REG_OVR | HAL_ADC_STATE_REG_EOSMP, + HAL_ADC_STATE_REG_BUSY); + + /* Reset HAL_ADC_STATE_MULTIMODE_SLAVE bit + - if ADC instance is master or if multimode feature is not available + - if multimode setting is disabled (ADC instance slave in independent mode) */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + ) + { + CLEAR_BIT(hadc->State, HAL_ADC_STATE_MULTIMODE_SLAVE); + } + + /* Set ADC error code */ + /* Check if a conversion is on going on ADC group injected */ + if ((hadc->State & HAL_ADC_STATE_INJ_BUSY) != 0UL) + { + /* Reset ADC error code fields related to regular conversions only */ + CLEAR_BIT(hadc->ErrorCode, (HAL_ADC_ERROR_OVR | HAL_ADC_ERROR_DMA)); + } + else + { + /* Reset all ADC error code fields */ + ADC_CLEAR_ERRORCODE(hadc); + } + + /* Clear ADC group regular conversion flag and overrun flag */ + /* (To ensure of no unknown state from potential previous ADC operations) */ + __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_EOC | ADC_FLAG_EOS | ADC_FLAG_OVR)); + + /* Process unlocked */ + /* Unlock before starting ADC conversions: in case of potential */ + /* interruption, to let the process to ADC IRQ Handler. */ + __HAL_UNLOCK(hadc); + + /* Disable all interruptions before enabling the desired ones */ + __HAL_ADC_DISABLE_IT(hadc, (ADC_IT_EOC | ADC_IT_EOS | ADC_IT_OVR)); + + /* Enable ADC end of conversion interrupt */ + switch (hadc->Init.EOCSelection) + { + case ADC_EOC_SEQ_CONV: + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_EOS); + break; + /* case ADC_EOC_SINGLE_CONV */ + default: + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_EOC); + break; + } + + /* Enable ADC overrun interrupt */ + /* If hadc->Init.Overrun is set to ADC_OVR_DATA_PRESERVED, only then is + ADC_IT_OVR enabled; otherwise data overwrite is considered as normal + behavior and no CPU time is lost for a non-processed interruption */ + if (hadc->Init.Overrun == ADC_OVR_DATA_PRESERVED) + { + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR); + } + + /* Enable conversion of regular group. */ + /* If software start has been selected, conversion starts immediately. */ + /* If external trigger has been selected, conversion will start at next */ + /* trigger event. */ + /* Case of multimode enabled (when multimode feature is available): */ + /* - if ADC is slave and dual regular conversions are enabled, ADC is */ + /* enabled only (conversion is not started), */ + /* - if ADC is master, ADC is enabled and conversion is started. */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_SIMULT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_ALTERN) + ) + { + /* ADC instance is not a multimode slave instance with multimode regular conversions enabled */ + if (READ_BIT(hadc->Instance->CFGR, ADC_CFGR_JAUTO) != 0UL) + { + ADC_STATE_CLR_SET(hadc->State, HAL_ADC_STATE_INJ_EOC, HAL_ADC_STATE_INJ_BUSY); + + /* Enable as well injected interruptions in case + HAL_ADCEx_InjectedStart_IT() has not been called beforehand. This + allows to start regular and injected conversions when JAUTO is + set with a single call to HAL_ADC_Start_IT() */ + switch (hadc->Init.EOCSelection) + { + case ADC_EOC_SEQ_CONV: + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOC); + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOS); + break; + /* case ADC_EOC_SINGLE_CONV */ + default: + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOS); + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOC); + break; + } + } + + /* Start ADC group regular conversion */ + LL_ADC_REG_StartConversion(hadc->Instance); + } + else + { + /* ADC instance is a multimode slave instance with multimode regular conversions enabled */ + SET_BIT(hadc->State, HAL_ADC_STATE_MULTIMODE_SLAVE); + /* if Master ADC JAUTO bit is set, Slave injected interruptions + are enabled nevertheless (for same reason as above) */ + tmpADC_Master = __LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance); + if (READ_BIT(tmpADC_Master->CFGR, ADC_CFGR_JAUTO) != 0UL) + { + /* First, update Slave State in setting HAL_ADC_STATE_INJ_BUSY bit + and in resetting HAL_ADC_STATE_INJ_EOC bit */ + ADC_STATE_CLR_SET(hadc->State, HAL_ADC_STATE_INJ_EOC, HAL_ADC_STATE_INJ_BUSY); + /* Next, set Slave injected interruptions */ + switch (hadc->Init.EOCSelection) + { + case ADC_EOC_SEQ_CONV: + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOC); + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOS); + break; + /* case ADC_EOC_SINGLE_CONV */ + default: + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOS); + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOC); + break; + } + } + } + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hadc); + } + + } + else + { + tmp_hal_status = HAL_BUSY; + } + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Stop ADC conversion of regular group (and injected group in + * case of auto_injection mode), disable interrution of + * end-of-conversion, disable ADC peripheral. + * @param hadc ADC handle + * @retval HAL status. + */ +HAL_StatusTypeDef HAL_ADC_Stop_IT(ADC_HandleTypeDef *hadc) +{ + HAL_StatusTypeDef tmp_hal_status; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Process locked */ + __HAL_LOCK(hadc); + + /* 1. Stop potential conversion on going, on ADC groups regular and injected */ + tmp_hal_status = ADC_ConversionStop(hadc, ADC_REGULAR_INJECTED_GROUP); + + /* Disable ADC peripheral if conversions are effectively stopped */ + if (tmp_hal_status == HAL_OK) + { + /* Disable ADC end of conversion interrupt for regular group */ + /* Disable ADC overrun interrupt */ + __HAL_ADC_DISABLE_IT(hadc, (ADC_IT_EOC | ADC_IT_EOS | ADC_IT_OVR)); + + /* 2. Disable the ADC peripheral */ + tmp_hal_status = ADC_Disable(hadc); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status == HAL_OK) + { + /* Set ADC state */ + ADC_STATE_CLR_SET(hadc->State, + HAL_ADC_STATE_REG_BUSY | HAL_ADC_STATE_INJ_BUSY, + HAL_ADC_STATE_READY); + } + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Enable ADC, start conversion of regular group and transfer result through DMA. + * @note Interruptions enabled in this function: + * overrun (if applicable), DMA half transfer, DMA transfer complete. + * Each of these interruptions has its dedicated callback function. + * @note Case of multimode enabled (when multimode feature is available): HAL_ADC_Start_DMA() + * is designed for single-ADC mode only. For multimode, the dedicated + * HAL_ADCEx_MultiModeStart_DMA() function must be used. + * @param hadc ADC handle + * @param pData Destination Buffer address. + * @param Length Number of data to be transferred from ADC peripheral to memory + * @retval HAL status. + */ +HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef *hadc, uint32_t *pData, uint32_t Length) +{ + HAL_StatusTypeDef tmp_hal_status; + uint32_t tmp_multimode_config = LL_ADC_GetMultimode(__LL_ADC_COMMON_INSTANCE(hadc->Instance)); + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Perform ADC enable and conversion start if no conversion is on going */ + if (LL_ADC_REG_IsConversionOngoing(hadc->Instance) == 0UL) + { + /* Process locked */ + __HAL_LOCK(hadc); + + /* Ensure that multimode regular conversions are not enabled. */ + /* Otherwise, dedicated API HAL_ADCEx_MultiModeStart_DMA() must be used. */ + if ((tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_SIMULT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_ALTERN) + ) + { + /* Enable the ADC peripheral */ + tmp_hal_status = ADC_Enable(hadc); + + /* Start conversion if ADC is effectively enabled */ + if (tmp_hal_status == HAL_OK) + { + /* Set ADC state */ + /* - Clear state bitfield related to regular group conversion results */ + /* - Set state bitfield related to regular operation */ + ADC_STATE_CLR_SET(hadc->State, + HAL_ADC_STATE_READY | HAL_ADC_STATE_REG_EOC | HAL_ADC_STATE_REG_OVR | HAL_ADC_STATE_REG_EOSMP, + HAL_ADC_STATE_REG_BUSY); + + /* Reset HAL_ADC_STATE_MULTIMODE_SLAVE bit + - if ADC instance is master or if multimode feature is not available + - if multimode setting is disabled (ADC instance slave in independent mode) */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + ) + { + CLEAR_BIT(hadc->State, HAL_ADC_STATE_MULTIMODE_SLAVE); + } + + /* Check if a conversion is on going on ADC group injected */ + if ((hadc->State & HAL_ADC_STATE_INJ_BUSY) != 0UL) + { + /* Reset ADC error code fields related to regular conversions only */ + CLEAR_BIT(hadc->ErrorCode, (HAL_ADC_ERROR_OVR | HAL_ADC_ERROR_DMA)); + } + else + { + /* Reset all ADC error code fields */ + ADC_CLEAR_ERRORCODE(hadc); + } + + /* Set the DMA transfer complete callback */ + hadc->DMA_Handle->XferCpltCallback = ADC_DMAConvCplt; + + /* Set the DMA half transfer complete callback */ + hadc->DMA_Handle->XferHalfCpltCallback = ADC_DMAHalfConvCplt; + + /* Set the DMA error callback */ + hadc->DMA_Handle->XferErrorCallback = ADC_DMAError; + + + /* Manage ADC and DMA start: ADC overrun interruption, DMA start, */ + /* ADC start (in case of SW start): */ + + /* Clear regular group conversion flag and overrun flag */ + /* (To ensure of no unknown state from potential previous ADC */ + /* operations) */ + __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_EOC | ADC_FLAG_EOS | ADC_FLAG_OVR)); + + /* Process unlocked */ + /* Unlock before starting ADC conversions: in case of potential */ + /* interruption, to let the process to ADC IRQ Handler. */ + __HAL_UNLOCK(hadc); + + /* With DMA, overrun event is always considered as an error even if + hadc->Init.Overrun is set to ADC_OVR_DATA_OVERWRITTEN. Therefore, + ADC_IT_OVR is enabled. */ + __HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR); + + /* Enable ADC DMA mode*/ + LL_ADC_REG_SetDataTransferMode(hadc->Instance, (uint32_t)hadc->Init.ConversionDataManagement); + + /* Start the DMA channel */ + tmp_hal_status = HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&hadc->Instance->DR, (uint32_t)pData, Length); + + /* Enable conversion of regular group. */ + /* If software start has been selected, conversion starts immediately. */ + /* If external trigger has been selected, conversion will start at next */ + /* trigger event. */ + /* Start ADC group regular conversion */ + LL_ADC_REG_StartConversion(hadc->Instance); + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hadc); + } + + } + else + { + tmp_hal_status = HAL_ERROR; + /* Process unlocked */ + __HAL_UNLOCK(hadc); + } + } + else + { + tmp_hal_status = HAL_BUSY; + } + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Stop ADC conversion of regular group (and injected group in + * case of auto_injection mode), disable ADC DMA transfer, disable + * ADC peripheral. + * @note: ADC peripheral disable is forcing stop of potential + * conversion on ADC group injected. If ADC group injected is under use, it + * should be preliminarily stopped using HAL_ADCEx_InjectedStop function. + * @note Case of multimode enabled (when multimode feature is available): + * HAL_ADC_Stop_DMA() function is dedicated to single-ADC mode only. + * For multimode, the dedicated HAL_ADCEx_MultiModeStop_DMA() API must be used. + * @param hadc ADC handle + * @retval HAL status. + */ +HAL_StatusTypeDef HAL_ADC_Stop_DMA(ADC_HandleTypeDef *hadc) +{ + HAL_StatusTypeDef tmp_hal_status; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Process locked */ + __HAL_LOCK(hadc); + + /* 1. Stop potential ADC group regular conversion on going */ + tmp_hal_status = ADC_ConversionStop(hadc, ADC_REGULAR_INJECTED_GROUP); + + /* Disable ADC peripheral if conversions are effectively stopped */ + if (tmp_hal_status == HAL_OK) + { + /* Disable ADC DMA (ADC DMA configuration of continous requests is kept) */ + MODIFY_REG(hadc->Instance->CFGR, ADC_CFGR_DMNGT_0 |ADC_CFGR_DMNGT_1, 0UL); + + /* Disable the DMA channel (in case of DMA in circular mode or stop */ + /* while DMA transfer is on going) */ + if (hadc->DMA_Handle->State == HAL_DMA_STATE_BUSY) + { + tmp_hal_status = HAL_DMA_Abort(hadc->DMA_Handle); + + /* Check if DMA channel effectively disabled */ + if (tmp_hal_status != HAL_OK) + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_DMA); + } + } + + /* Disable ADC overrun interrupt */ + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_OVR); + + /* 2. Disable the ADC peripheral */ + /* Update "tmp_hal_status" only if DMA channel disabling passed, */ + /* to keep in memory a potential failing status. */ + if (tmp_hal_status == HAL_OK) + { + tmp_hal_status = ADC_Disable(hadc); + } + else + { + (void)ADC_Disable(hadc); + } + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status == HAL_OK) + { + /* Set ADC state */ + ADC_STATE_CLR_SET(hadc->State, + HAL_ADC_STATE_REG_BUSY | HAL_ADC_STATE_INJ_BUSY, + HAL_ADC_STATE_READY); + } + + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Get ADC regular group conversion result. + * @note Reading register DR automatically clears ADC flag EOC + * (ADC group regular end of unitary conversion). + * @note This function does not clear ADC flag EOS + * (ADC group regular end of sequence conversion). + * Occurrence of flag EOS rising: + * - If sequencer is composed of 1 rank, flag EOS is equivalent + * to flag EOC. + * - If sequencer is composed of several ranks, during the scan + * sequence flag EOC only is raised, at the end of the scan sequence + * both flags EOC and EOS are raised. + * To clear this flag, either use function: + * in programming model IT: @ref HAL_ADC_IRQHandler(), in programming + * model polling: @ref HAL_ADC_PollForConversion() + * or @ref __HAL_ADC_CLEAR_FLAG(&hadc, ADC_FLAG_EOS). + * @param hadc ADC handle + * @retval ADC group regular conversion data + */ +uint32_t HAL_ADC_GetValue(ADC_HandleTypeDef *hadc) +{ + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Note: EOC flag is not cleared here by software because automatically */ + /* cleared by hardware when reading register DR. */ + + /* Return ADC converted value */ + return hadc->Instance->DR; +} + +/** + * @brief Handle ADC interrupt request. + * @param hadc ADC handle + * @retval None + */ +void HAL_ADC_IRQHandler(ADC_HandleTypeDef *hadc) +{ + uint32_t overrun_error = 0UL; /* flag set if overrun occurrence has to be considered as an error */ + uint32_t tmp_isr = hadc->Instance->ISR; + uint32_t tmp_ier = hadc->Instance->IER; + uint32_t tmp_adc_inj_is_trigger_source_sw_start; + uint32_t tmp_adc_reg_is_trigger_source_sw_start; + uint32_t tmp_cfgr; + const ADC_TypeDef *tmpADC_Master; + uint32_t tmp_multimode_config = LL_ADC_GetMultimode(__LL_ADC_COMMON_INSTANCE(hadc->Instance)); + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_EOC_SELECTION(hadc->Init.EOCSelection)); + + /* ========== Check End of Sampling flag for ADC group regular ========== */ + if (((tmp_isr & ADC_FLAG_EOSMP) == ADC_FLAG_EOSMP) && ((tmp_ier & ADC_IT_EOSMP) == ADC_IT_EOSMP)) + { + /* Update state machine on end of sampling status if not in error state */ + if ((hadc->State & HAL_ADC_STATE_ERROR_INTERNAL) == 0UL) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_REG_EOSMP); + } + + /* End Of Sampling callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->EndOfSamplingCallback(hadc); +#else + HAL_ADCEx_EndOfSamplingCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Clear regular group conversion flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_EOSMP); + } + + /* ====== Check ADC group regular end of unitary conversion sequence conversions ===== */ + if ((((tmp_isr & ADC_FLAG_EOC) == ADC_FLAG_EOC) && ((tmp_ier & ADC_IT_EOC) == ADC_IT_EOC)) || + (((tmp_isr & ADC_FLAG_EOS) == ADC_FLAG_EOS) && ((tmp_ier & ADC_IT_EOS) == ADC_IT_EOS))) + { + /* Update state machine on conversion status if not in error state */ + if ((hadc->State & HAL_ADC_STATE_ERROR_INTERNAL) == 0UL) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_REG_EOC); + } + + /* Determine whether any further conversion upcoming on group regular */ + /* by external trigger, continuous mode or scan sequence on going */ + /* to disable interruption. */ + if (LL_ADC_REG_IsTriggerSourceSWStart(hadc->Instance) != 0UL) + { + /* Get relevant register CFGR in ADC instance of ADC master or slave */ + /* in function of multimode state (for devices with multimode */ + /* available). */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_SIMULT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_INJ_ALTERN) + ) + { + /* check CONT bit directly in handle ADC CFGR register */ + tmp_cfgr = READ_REG(hadc->Instance->CFGR); + } + else + { + /* else need to check Master ADC CONT bit */ + tmpADC_Master = __LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance); + tmp_cfgr = READ_REG(tmpADC_Master->CFGR); + } + + /* Carry on if continuous mode is disabled */ + if (READ_BIT(tmp_cfgr, ADC_CFGR_CONT) != ADC_CFGR_CONT) + { + /* If End of Sequence is reached, disable interrupts */ + if (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOS)) + { + /* Allowed to modify bits ADC_IT_EOC/ADC_IT_EOS only if bit */ + /* ADSTART==0 (no conversion on going) */ + if (LL_ADC_REG_IsConversionOngoing(hadc->Instance) == 0UL) + { + /* Disable ADC end of sequence conversion interrupt */ + /* Note: Overrun interrupt was enabled with EOC interrupt in */ + /* HAL_Start_IT(), but is not disabled here because can be used */ + /* by overrun IRQ process below. */ + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_EOC | ADC_IT_EOS); + + /* Set ADC state */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_REG_BUSY); + + if ((hadc->State & HAL_ADC_STATE_INJ_BUSY) == 0UL) + { + SET_BIT(hadc->State, HAL_ADC_STATE_READY); + } + } + else + { + /* Change ADC state to error state */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + } + } + } + } + + /* Conversion complete callback */ + /* Note: Into callback function "HAL_ADC_ConvCpltCallback()", */ + /* to determine if conversion has been triggered from EOC or EOS, */ + /* possibility to use: */ + /* " if( __HAL_ADC_GET_FLAG(&hadc, ADC_FLAG_EOS)) " */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->ConvCpltCallback(hadc); +#else + HAL_ADC_ConvCpltCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Clear regular group conversion flag */ + /* Note: in case of overrun set to ADC_OVR_DATA_PRESERVED, end of */ + /* conversion flags clear induces the release of the preserved data.*/ + /* Therefore, if the preserved data value is needed, it must be */ + /* read preliminarily into HAL_ADC_ConvCpltCallback(). */ + __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_EOC | ADC_FLAG_EOS)); + } + + /* ====== Check ADC group injected end of unitary conversion sequence conversions ===== */ + if ((((tmp_isr & ADC_FLAG_JEOC) == ADC_FLAG_JEOC) && ((tmp_ier & ADC_IT_JEOC) == ADC_IT_JEOC)) || + (((tmp_isr & ADC_FLAG_JEOS) == ADC_FLAG_JEOS) && ((tmp_ier & ADC_IT_JEOS) == ADC_IT_JEOS))) + { + /* Update state machine on conversion status if not in error state */ + if ((hadc->State & HAL_ADC_STATE_ERROR_INTERNAL) == 0UL) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_INJ_EOC); + } + + /* Retrieve ADC configuration */ + tmp_adc_inj_is_trigger_source_sw_start = LL_ADC_INJ_IsTriggerSourceSWStart(hadc->Instance); + tmp_adc_reg_is_trigger_source_sw_start = LL_ADC_REG_IsTriggerSourceSWStart(hadc->Instance); + /* Get relevant register CFGR in ADC instance of ADC master or slave */ + /* in function of multimode state (for devices with multimode */ + /* available). */ + if ((__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_REG_SIMULT) + || (tmp_multimode_config == LL_ADC_MULTI_DUAL_REG_INTERL) + ) + { + tmp_cfgr = READ_REG(hadc->Instance->CFGR); + } + else + { + tmpADC_Master = __LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance); + tmp_cfgr = READ_REG(tmpADC_Master->CFGR); + } + + /* Disable interruption if no further conversion upcoming by injected */ + /* external trigger or by automatic injected conversion with regular */ + /* group having no further conversion upcoming (same conditions as */ + /* regular group interruption disabling above), */ + /* and if injected scan sequence is completed. */ + if ((tmp_adc_inj_is_trigger_source_sw_start != 0UL) || + ((READ_BIT(tmp_cfgr, ADC_CFGR_JAUTO) == 0UL) && + ((tmp_adc_reg_is_trigger_source_sw_start != 0UL) && + (READ_BIT(tmp_cfgr, ADC_CFGR_CONT) == 0UL)))) + { + /* If End of Sequence is reached, disable interrupts */ + if (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_JEOS)) + { + /* Particular case if injected contexts queue is enabled: */ + /* when the last context has been fully processed, JSQR is reset */ + /* by the hardware. Even if no injected conversion is planned to come */ + /* (queue empty, triggers are ignored), it can start again */ + /* immediately after setting a new context (JADSTART is still set). */ + /* Therefore, state of HAL ADC injected group is kept to busy. */ + if (READ_BIT(tmp_cfgr, ADC_CFGR_JQM) == 0UL) + { + /* Allowed to modify bits ADC_IT_JEOC/ADC_IT_JEOS only if bit */ + /* JADSTART==0 (no conversion on going) */ + if (LL_ADC_INJ_IsConversionOngoing(hadc->Instance) == 0UL) + { + /* Disable ADC end of sequence conversion interrupt */ + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOC | ADC_IT_JEOS); + + /* Set ADC state */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_INJ_BUSY); + + if ((hadc->State & HAL_ADC_STATE_REG_BUSY) == 0UL) + { + SET_BIT(hadc->State, HAL_ADC_STATE_READY); + } + } + else + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + } + } + } + } + + /* Injected Conversion complete callback */ + /* Note: HAL_ADCEx_InjectedConvCpltCallback can resort to + if( __HAL_ADC_GET_FLAG(&hadc, ADC_FLAG_JEOS)) or + if( __HAL_ADC_GET_FLAG(&hadc, ADC_FLAG_JEOC)) to determine whether + interruption has been triggered by end of conversion or end of + sequence. */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->InjectedConvCpltCallback(hadc); +#else + HAL_ADCEx_InjectedConvCpltCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Clear injected group conversion flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JEOC | ADC_FLAG_JEOS); + } + + /* ========== Check Analog watchdog 1 flag ========== */ + if (((tmp_isr & ADC_FLAG_AWD1) == ADC_FLAG_AWD1) && ((tmp_ier & ADC_IT_AWD1) == ADC_IT_AWD1)) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_AWD1); + + /* Level out of window 1 callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->LevelOutOfWindowCallback(hadc); +#else + HAL_ADC_LevelOutOfWindowCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Clear ADC analog watchdog flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_AWD1); + } + + /* ========== Check analog watchdog 2 flag ========== */ + if (((tmp_isr & ADC_FLAG_AWD2) == ADC_FLAG_AWD2) && ((tmp_ier & ADC_IT_AWD2) == ADC_IT_AWD2)) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_AWD2); + + /* Level out of window 2 callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->LevelOutOfWindow2Callback(hadc); +#else + HAL_ADCEx_LevelOutOfWindow2Callback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Clear ADC analog watchdog flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_AWD2); + } + + /* ========== Check analog watchdog 3 flag ========== */ + if (((tmp_isr & ADC_FLAG_AWD3) == ADC_FLAG_AWD3) && ((tmp_ier & ADC_IT_AWD3) == ADC_IT_AWD3)) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_AWD3); + + /* Level out of window 3 callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->LevelOutOfWindow3Callback(hadc); +#else + HAL_ADCEx_LevelOutOfWindow3Callback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + + /* Clear ADC analog watchdog flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_AWD3); + } + + /* ========== Check Overrun flag ========== */ + if (((tmp_isr & ADC_FLAG_OVR) == ADC_FLAG_OVR) && ((tmp_ier & ADC_IT_OVR) == ADC_IT_OVR)) + { + /* If overrun is set to overwrite previous data (default setting), */ + /* overrun event is not considered as an error. */ + /* (cf ref manual "Managing conversions without using the DMA and without */ + /* overrun ") */ + /* Exception for usage with DMA overrun event always considered as an */ + /* error. */ + if (hadc->Init.Overrun == ADC_OVR_DATA_PRESERVED) + { + overrun_error = 1UL; + } + else + { + /* Check DMA configuration */ + if (tmp_multimode_config != LL_ADC_MULTI_INDEPENDENT) + { + /* Multimode (when feature is available) is enabled, + Common Control Register MDMA bits must be checked. */ + if (LL_ADC_GetMultiDMATransfer(__LL_ADC_COMMON_INSTANCE(hadc->Instance)) != LL_ADC_MULTI_REG_DMA_EACH_ADC) + { + overrun_error = 1UL; + } + } + else + { + /* Multimode not set or feature not available or ADC independent */ + if ((hadc->Instance->CFGR & ADC_CFGR_DMNGT) != 0UL) + { + overrun_error = 1UL; + } + } + } + + if (overrun_error == 1UL) + { + /* Change ADC state to error state */ + SET_BIT(hadc->State, HAL_ADC_STATE_REG_OVR); + + /* Set ADC error code to overrun */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_OVR); + + /* Error callback */ + /* Note: In case of overrun, ADC conversion data is preserved until */ + /* flag OVR is reset. */ + /* Therefore, old ADC conversion data can be retrieved in */ + /* function "HAL_ADC_ErrorCallback()". */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->ErrorCallback(hadc); +#else + HAL_ADC_ErrorCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + } + + /* Clear ADC overrun flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_OVR); + } + + /* ========== Check Injected context queue overflow flag ========== */ + if (((tmp_isr & ADC_FLAG_JQOVF) == ADC_FLAG_JQOVF) && ((tmp_ier & ADC_IT_JQOVF) == ADC_IT_JQOVF)) + { + /* Change ADC state to overrun state */ + SET_BIT(hadc->State, HAL_ADC_STATE_INJ_JQOVF); + + /* Set ADC error code to Injected context queue overflow */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_JQOVF); + + /* Clear the Injected context queue overflow flag */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JQOVF); + + /* Injected context queue overflow callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->InjectedQueueOverflowCallback(hadc); +#else + HAL_ADCEx_InjectedQueueOverflowCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + } + +} + +/** + * @brief Conversion complete callback in non-blocking mode. + * @param hadc ADC handle + * @retval None + */ +__weak void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hadc); + + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_ConvCpltCallback must be implemented in the user file. + */ +} + +/** + * @brief Conversion DMA half-transfer callback in non-blocking mode. + * @param hadc ADC handle + * @retval None + */ +__weak void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef *hadc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hadc); + + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_ConvHalfCpltCallback must be implemented in the user file. + */ +} + +/** + * @brief Analog watchdog 1 callback in non-blocking mode. + * @param hadc ADC handle + * @retval None + */ +__weak void HAL_ADC_LevelOutOfWindowCallback(ADC_HandleTypeDef *hadc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hadc); + + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_LevelOutOfWindowCallback must be implemented in the user file. + */ +} + +/** + * @brief ADC error callback in non-blocking mode + * (ADC conversion with interruption or transfer by DMA). + * @note In case of error due to overrun when using ADC with DMA transfer + * (HAL ADC handle parameter "ErrorCode" to state "HAL_ADC_ERROR_OVR"): + * - Reinitialize the DMA using function "HAL_ADC_Stop_DMA()". + * - If needed, restart a new ADC conversion using function + * "HAL_ADC_Start_DMA()" + * (this function is also clearing overrun flag) + * @param hadc ADC handle + * @retval None + */ +__weak void HAL_ADC_ErrorCallback(ADC_HandleTypeDef *hadc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hadc); + + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_ErrorCallback must be implemented in the user file. + */ +} + +/** + * @} + */ + +/** @defgroup ADC_Exported_Functions_Group3 Peripheral Control functions + * @brief Peripheral Control functions + * +@verbatim + =============================================================================== + ##### Peripheral Control functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Configure channels on regular group + (+) Configure the analog watchdog + +@endverbatim + * @{ + */ + +/** + * @brief Configure a channel to be assigned to ADC group regular. + * @note In case of usage of internal measurement channels: + * Vbat/VrefInt/TempSensor. + * These internal paths can be disabled using function + * HAL_ADC_DeInit(). + * @note Possibility to update parameters on the fly: + * This function initializes channel into ADC group regular, + * following calls to this function can be used to reconfigure + * some parameters of structure "ADC_ChannelConfTypeDef" on the fly, + * without resetting the ADC. + * The setting of these parameters is conditioned to ADC state: + * Refer to comments of structure "ADC_ChannelConfTypeDef". + * @param hadc ADC handle + * @param sConfig Structure of ADC channel assigned to ADC group regular. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_ConfigChannel(ADC_HandleTypeDef *hadc, ADC_ChannelConfTypeDef *sConfig) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + uint32_t tmpOffsetShifted; + uint32_t tmp_config_internal_channel; + __IO uint32_t wait_loop_index = 0; + uint32_t tmp_adc_is_conversion_on_going_regular; + uint32_t tmp_adc_is_conversion_on_going_injected; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_REGULAR_RANK(sConfig->Rank)); + assert_param(IS_ADC_SAMPLE_TIME(sConfig->SamplingTime)); + assert_param(IS_ADC_SINGLE_DIFFERENTIAL(sConfig->SingleDiff)); + assert_param(IS_ADC_OFFSET_NUMBER(sConfig->OffsetNumber)); + /* Check offset range according to oversampling setting */ + if (hadc->Init.OversamplingMode == ENABLE) + { + assert_param(IS_ADC_RANGE(ADC_GET_RESOLUTION(hadc), sConfig->Offset/(hadc->Init.Oversampling.Ratio+1U))); + } + else + { + assert_param(IS_ADC_RANGE(ADC_GET_RESOLUTION(hadc), sConfig->Offset)); + } + + /* if ROVSE is set, the value of the OFFSETy_EN bit in ADCx_OFRy register is + ignored (considered as reset) */ + assert_param(!((sConfig->OffsetNumber != ADC_OFFSET_NONE) && (hadc->Init.OversamplingMode == ENABLE))); + + /* Verification of channel number */ + if (sConfig->SingleDiff != ADC_DIFFERENTIAL_ENDED) + { + assert_param(IS_ADC_CHANNEL(sConfig->Channel)); + } + else + { + if (hadc->Instance == ADC1) + { + assert_param(IS_ADC1_DIFF_CHANNEL(sConfig->Channel)); + } + if (hadc->Instance == ADC2) + { + assert_param(IS_ADC2_DIFF_CHANNEL(sConfig->Channel)); + } +#if defined(ADC3) + /* ADC3 is not available on some STM32H7 products */ + if (hadc->Instance == ADC3) + { + assert_param(IS_ADC3_DIFF_CHANNEL(sConfig->Channel)); + } +#endif + } + + /* Process locked */ + __HAL_LOCK(hadc); + + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated when ADC is disabled or enabled without */ + /* conversion on going on regular group: */ + /* - Channel number */ + /* - Channel rank */ + if (LL_ADC_REG_IsConversionOngoing(hadc->Instance) == 0UL) + { + /* ADC channels preselection */ + hadc->Instance->PCSEL |= (1UL << (__LL_ADC_CHANNEL_TO_DECIMAL_NB((uint32_t)sConfig->Channel) & 0x1FUL)); + + /* Set ADC group regular sequence: channel on the selected scan sequence rank */ + LL_ADC_REG_SetSequencerRanks(hadc->Instance, sConfig->Rank, sConfig->Channel); + + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated when ADC is disabled or enabled without */ + /* conversion on going on regular group: */ + /* - Channel sampling time */ + /* - Channel offset */ + tmp_adc_is_conversion_on_going_regular = LL_ADC_REG_IsConversionOngoing(hadc->Instance); + tmp_adc_is_conversion_on_going_injected = LL_ADC_INJ_IsConversionOngoing(hadc->Instance); + if ((tmp_adc_is_conversion_on_going_regular == 0UL) + && (tmp_adc_is_conversion_on_going_injected == 0UL) + ) + { + /* Set sampling time of the selected ADC channel */ + LL_ADC_SetChannelSamplingTime(hadc->Instance, sConfig->Channel, sConfig->SamplingTime); + + /* Configure the offset: offset enable/disable, channel, offset value */ + + /* Shift the offset with respect to the selected ADC resolution. */ + /* Offset has to be left-aligned on bit 11, the LSB (right bits) are set to 0 */ + tmpOffsetShifted = ADC_OFFSET_SHIFT_RESOLUTION(hadc, (uint32_t)sConfig->Offset); + + if (sConfig->OffsetNumber != ADC_OFFSET_NONE) + { + /* Set ADC selected offset number */ + LL_ADC_SetOffset(hadc->Instance, sConfig->OffsetNumber, sConfig->Channel, tmpOffsetShifted); + + assert_param(IS_FUNCTIONAL_STATE(sConfig->OffsetSignedSaturation)); + /* Set ADC selected offset signed saturation */ + LL_ADC_SetOffsetSignedSaturation(hadc->Instance, sConfig->OffsetNumber, (sConfig->OffsetSignedSaturation == ENABLE) ? LL_ADC_OFFSET_SIGNED_SATURATION_ENABLE : LL_ADC_OFFSET_SIGNED_SATURATION_DISABLE); + + assert_param(IS_FUNCTIONAL_STATE(sConfig->OffsetRightShift)); + /* Set ADC selected offset right shift */ + LL_ADC_SetDataRightShift(hadc->Instance, sConfig->OffsetNumber, (sConfig->OffsetRightShift == ENABLE) ? LL_ADC_OFFSET_RSHIFT_ENABLE : LL_ADC_OFFSET_RSHIFT_DISABLE); + + } + else + { + /* Scan OFR1, OFR2, OFR3, OFR4 to check if the selected channel is enabled. + If this is the case, offset OFRx is disabled since + sConfig->OffsetNumber = ADC_OFFSET_NONE. */ + if (((hadc->Instance->OFR1) & ADC_OFR1_OFFSET1_CH) == ADC_OFR_CHANNEL(sConfig->Channel)) + { + CLEAR_BIT(hadc->Instance->OFR1, ADC_OFR1_SSATE); + } + if (((hadc->Instance->OFR2) & ADC_OFR2_OFFSET2_CH) == ADC_OFR_CHANNEL(sConfig->Channel)) + { + CLEAR_BIT(hadc->Instance->OFR2, ADC_OFR2_SSATE); + } + if (((hadc->Instance->OFR3) & ADC_OFR3_OFFSET3_CH) == ADC_OFR_CHANNEL(sConfig->Channel)) + { + CLEAR_BIT(hadc->Instance->OFR3, ADC_OFR3_SSATE); + } + if (((hadc->Instance->OFR4) & ADC_OFR4_OFFSET4_CH) == ADC_OFR_CHANNEL(sConfig->Channel)) + { + CLEAR_BIT(hadc->Instance->OFR4, ADC_OFR4_SSATE); + } + } + } + + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated only when ADC is disabled: */ + /* - Single or differential mode */ + /* - Internal measurement channels: Vbat/VrefInt/TempSensor */ + if (LL_ADC_IsEnabled(hadc->Instance) == 0UL) + { + /* Set mode single-ended or differential input of the selected ADC channel */ + LL_ADC_SetChannelSingleDiff(hadc->Instance, sConfig->Channel, sConfig->SingleDiff); + + /* Configuration of differential mode */ + if (sConfig->SingleDiff == ADC_DIFFERENTIAL_ENDED) + { + /* Set sampling time of the selected ADC channel */ + /* Note: ADC channel number masked with value "0x1F" to ensure shift value within 32 bits range */ + LL_ADC_SetChannelSamplingTime(hadc->Instance, + (uint32_t)(__LL_ADC_DECIMAL_NB_TO_CHANNEL((__LL_ADC_CHANNEL_TO_DECIMAL_NB((uint32_t)sConfig->Channel) + 1UL) & 0x1FUL)), + sConfig->SamplingTime); + } + + /* Management of internal measurement channels: Vbat/VrefInt/TempSensor. */ + /* If internal channel selected, enable dedicated internal buffers and */ + /* paths. */ + /* Note: these internal measurement paths can be disabled using */ + /* HAL_ADC_DeInit(). */ + + if(__LL_ADC_IS_CHANNEL_INTERNAL(sConfig->Channel)) + { + /* Configuration of common ADC parameters */ + + tmp_config_internal_channel = LL_ADC_GetCommonPathInternalCh(__LL_ADC_COMMON_INSTANCE(hadc->Instance)); + + /* Software is allowed to change common parameters only when all ADCs */ + /* of the common group are disabled. */ + if (__LL_ADC_IS_ENABLED_ALL_COMMON_INSTANCE(__LL_ADC_COMMON_INSTANCE(hadc->Instance)) == 0UL) + { + /* If the requested internal measurement path has already been enabled, */ + /* bypass the configuration processing. */ + if ((sConfig->Channel == ADC_CHANNEL_TEMPSENSOR) && ((tmp_config_internal_channel & LL_ADC_PATH_INTERNAL_TEMPSENSOR) == 0UL)) + { + if (ADC_TEMPERATURE_SENSOR_INSTANCE(hadc)) + { + LL_ADC_SetCommonPathInternalCh(__LL_ADC_COMMON_INSTANCE(hadc->Instance), LL_ADC_PATH_INTERNAL_TEMPSENSOR | tmp_config_internal_channel); + + /* Delay for temperature sensor stabilization time */ + /* Wait loop initialization and execution */ + /* Note: Variable divided by 2 to compensate partially */ + /* CPU processing cycles, scaling in us split to not */ + /* exceed 32 bits register capacity and handle low frequency. */ + wait_loop_index = ((LL_ADC_DELAY_TEMPSENSOR_STAB_US / 10UL) * (SystemCoreClock / (100000UL * 2UL))); + while(wait_loop_index != 0UL) + { + wait_loop_index--; + } + } + } + else if ((sConfig->Channel == ADC_CHANNEL_VBAT) && ((tmp_config_internal_channel & LL_ADC_PATH_INTERNAL_VBAT) == 0UL)) + { + if (ADC_BATTERY_VOLTAGE_INSTANCE(hadc)) + { + LL_ADC_SetCommonPathInternalCh(__LL_ADC_COMMON_INSTANCE(hadc->Instance), LL_ADC_PATH_INTERNAL_VBAT | tmp_config_internal_channel); + } + } + else if ((sConfig->Channel == ADC_CHANNEL_VREFINT) && ((tmp_config_internal_channel & LL_ADC_PATH_INTERNAL_VREFINT) == 0UL)) + { + if (ADC_VREFINT_INSTANCE(hadc)) + { + LL_ADC_SetCommonPathInternalCh(__LL_ADC_COMMON_INSTANCE(hadc->Instance), LL_ADC_PATH_INTERNAL_VREFINT | tmp_config_internal_channel); + } + } + else + { + /* nothing to do */ + } + } + /* If the requested internal measurement path has already been */ + /* enabled and other ADC of the common group are enabled, internal */ + /* measurement paths cannot be enabled. */ + else + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); + + tmp_hal_status = HAL_ERROR; + } + } + } + } + + /* If a conversion is on going on regular group, no update on regular */ + /* channel could be done on neither of the channel configuration structure */ + /* parameters. */ + else + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); + + tmp_hal_status = HAL_ERROR; + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Configure the analog watchdog. + * @note Possibility to update parameters on the fly: + * This function initializes the selected analog watchdog, successive + * calls to this function can be used to reconfigure some parameters + * of structure "ADC_AnalogWDGConfTypeDef" on the fly, without resetting + * the ADC. + * The setting of these parameters is conditioned to ADC state. + * For parameters constraints, see comments of structure + * "ADC_AnalogWDGConfTypeDef". + * @note On this STM32 serie, analog watchdog thresholds cannot be modified + * while ADC conversion is on going. + * @param hadc ADC handle + * @param AnalogWDGConfig Structure of ADC analog watchdog configuration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADC_AnalogWDGConfig(ADC_HandleTypeDef *hadc, ADC_AnalogWDGConfTypeDef *AnalogWDGConfig) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + uint32_t tmpAWDHighThresholdShifted; + uint32_t tmpAWDLowThresholdShifted; + uint32_t tmp_adc_is_conversion_on_going_regular; + uint32_t tmp_adc_is_conversion_on_going_injected; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_ANALOG_WATCHDOG_NUMBER(AnalogWDGConfig->WatchdogNumber)); + assert_param(IS_ADC_ANALOG_WATCHDOG_MODE(AnalogWDGConfig->WatchdogMode)); + assert_param(IS_FUNCTIONAL_STATE(AnalogWDGConfig->ITMode)); + + if ((AnalogWDGConfig->WatchdogMode == ADC_ANALOGWATCHDOG_SINGLE_REG) || + (AnalogWDGConfig->WatchdogMode == ADC_ANALOGWATCHDOG_SINGLE_INJEC) || + (AnalogWDGConfig->WatchdogMode == ADC_ANALOGWATCHDOG_SINGLE_REGINJEC)) + { + assert_param(IS_ADC_CHANNEL(AnalogWDGConfig->Channel)); + } + + /* Verify thresholds range */ + if (hadc->Init.OversamplingMode == ENABLE) + { + /* Case of oversampling enabled: thresholds are compared to oversampling + intermediate computation (after ratio, before shift application) */ + assert_param(IS_ADC_RANGE(ADC_GET_RESOLUTION(hadc), AnalogWDGConfig->HighThreshold / (hadc->Init.Oversampling.Ratio + 1UL))); + assert_param(IS_ADC_RANGE(ADC_GET_RESOLUTION(hadc), AnalogWDGConfig->LowThreshold / (hadc->Init.Oversampling.Ratio + 1UL))); + } + else + { + /* Verify if thresholds are within the selected ADC resolution */ + assert_param(IS_ADC_RANGE(ADC_GET_RESOLUTION(hadc), AnalogWDGConfig->HighThreshold)); + assert_param(IS_ADC_RANGE(ADC_GET_RESOLUTION(hadc), AnalogWDGConfig->LowThreshold)); + } + + /* Process locked */ + __HAL_LOCK(hadc); + + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated when ADC is disabled or enabled without */ + /* conversion on going on ADC groups regular and injected: */ + /* - Analog watchdog channels */ + /* - Analog watchdog thresholds */ + tmp_adc_is_conversion_on_going_regular = LL_ADC_REG_IsConversionOngoing(hadc->Instance); + tmp_adc_is_conversion_on_going_injected = LL_ADC_INJ_IsConversionOngoing(hadc->Instance); + if ((tmp_adc_is_conversion_on_going_regular == 0UL) + && (tmp_adc_is_conversion_on_going_injected == 0UL) + ) + { + /* Analog watchdog configuration */ + if (AnalogWDGConfig->WatchdogNumber == ADC_ANALOGWATCHDOG_1) + { + /* Configuration of analog watchdog: */ + /* - Set the analog watchdog enable mode: one or overall group of */ + /* channels, on groups regular and-or injected. */ + switch (AnalogWDGConfig->WatchdogMode) + { + case ADC_ANALOGWATCHDOG_SINGLE_REG: + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, LL_ADC_AWD1, __LL_ADC_ANALOGWD_CHANNEL_GROUP(AnalogWDGConfig->Channel, + LL_ADC_GROUP_REGULAR)); + break; + + case ADC_ANALOGWATCHDOG_SINGLE_INJEC: + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, LL_ADC_AWD1, __LL_ADC_ANALOGWD_CHANNEL_GROUP(AnalogWDGConfig->Channel, + LL_ADC_GROUP_INJECTED)); + break; + + case ADC_ANALOGWATCHDOG_SINGLE_REGINJEC: + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, LL_ADC_AWD1, __LL_ADC_ANALOGWD_CHANNEL_GROUP(AnalogWDGConfig->Channel, + LL_ADC_GROUP_REGULAR_INJECTED)); + break; + + case ADC_ANALOGWATCHDOG_ALL_REG: + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, LL_ADC_AWD1, LL_ADC_AWD_ALL_CHANNELS_REG); + break; + + case ADC_ANALOGWATCHDOG_ALL_INJEC: + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, LL_ADC_AWD1, LL_ADC_AWD_ALL_CHANNELS_INJ); + break; + + case ADC_ANALOGWATCHDOG_ALL_REGINJEC: + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, LL_ADC_AWD1, LL_ADC_AWD_ALL_CHANNELS_REG_INJ); + break; + + default: /* ADC_ANALOGWATCHDOG_NONE */ + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, LL_ADC_AWD1, LL_ADC_AWD_DISABLE); + break; + } + + /* Shift the offset in function of the selected ADC resolution: */ + /* Thresholds have to be left-aligned on bit 11, the LSB (right bits) */ + /* are set to 0 */ + tmpAWDHighThresholdShifted = ADC_AWD1THRESHOLD_SHIFT_RESOLUTION(hadc, AnalogWDGConfig->HighThreshold); + tmpAWDLowThresholdShifted = ADC_AWD1THRESHOLD_SHIFT_RESOLUTION(hadc, AnalogWDGConfig->LowThreshold); + + /* Set the high and low thresholds */ + MODIFY_REG(hadc->Instance->LTR1, ADC_LTR_LT , tmpAWDLowThresholdShifted); + MODIFY_REG(hadc->Instance->HTR1, ADC_HTR_HT , tmpAWDHighThresholdShifted); + + /* Update state, clear previous result related to AWD1 */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_AWD1); + + /* Clear flag ADC analog watchdog */ + /* Note: Flag cleared Clear the ADC Analog watchdog flag to be ready */ + /* to use for HAL_ADC_IRQHandler() or HAL_ADC_PollForEvent() */ + /* (in case left enabled by previous ADC operations). */ + LL_ADC_ClearFlag_AWD1(hadc->Instance); + + /* Configure ADC analog watchdog interrupt */ + if (AnalogWDGConfig->ITMode == ENABLE) + { + LL_ADC_EnableIT_AWD1(hadc->Instance); + } + else + { + LL_ADC_DisableIT_AWD1(hadc->Instance); + } + } + /* Case of ADC_ANALOGWATCHDOG_2 or ADC_ANALOGWATCHDOG_3 */ + else + { + switch (AnalogWDGConfig->WatchdogMode) + { + case ADC_ANALOGWATCHDOG_SINGLE_REG: + case ADC_ANALOGWATCHDOG_SINGLE_INJEC: + case ADC_ANALOGWATCHDOG_SINGLE_REGINJEC: + /* Update AWD by bitfield to keep the possibility to monitor */ + /* several channels by successive calls of this function. */ + if (AnalogWDGConfig->WatchdogNumber == ADC_ANALOGWATCHDOG_2) + { + SET_BIT(hadc->Instance->AWD2CR, (1UL << (__LL_ADC_CHANNEL_TO_DECIMAL_NB(AnalogWDGConfig->Channel) & 0x1FUL))); + } + else + { + SET_BIT(hadc->Instance->AWD3CR, (1UL << (__LL_ADC_CHANNEL_TO_DECIMAL_NB(AnalogWDGConfig->Channel) & 0x1FUL))); + } + break; + + case ADC_ANALOGWATCHDOG_ALL_REG: + case ADC_ANALOGWATCHDOG_ALL_INJEC: + case ADC_ANALOGWATCHDOG_ALL_REGINJEC: + /* Update AWD by bitfield to keep the possibility to monitor */ + /* several channels by successive calls of this function. */ + if (AnalogWDGConfig->WatchdogNumber == ADC_ANALOGWATCHDOG_2) + { + SET_BIT(hadc->Instance->AWD2CR, (1UL << (__LL_ADC_CHANNEL_TO_DECIMAL_NB(AnalogWDGConfig->Channel) & 0x1FUL))); + } + else + { + SET_BIT(hadc->Instance->AWD3CR, (1UL << (__LL_ADC_CHANNEL_TO_DECIMAL_NB(AnalogWDGConfig->Channel) & 0x1FUL))); + } + break; + + default: /* ADC_ANALOGWATCHDOG_NONE */ + LL_ADC_SetAnalogWDMonitChannels(hadc->Instance, AnalogWDGConfig->WatchdogNumber, LL_ADC_AWD_DISABLE); + break; + } + + /* Shift the thresholds in function of the selected ADC resolution */ + /* have to be left-aligned on bit 15, the LSB (right bits) are set to 0 */ + tmpAWDHighThresholdShifted = ADC_AWD23THRESHOLD_SHIFT_RESOLUTION(hadc, AnalogWDGConfig->HighThreshold); + tmpAWDLowThresholdShifted = ADC_AWD23THRESHOLD_SHIFT_RESOLUTION(hadc, AnalogWDGConfig->LowThreshold); + + if (AnalogWDGConfig->WatchdogNumber == ADC_ANALOGWATCHDOG_2) + { + /* Set ADC analog watchdog thresholds value of both thresholds high and low */ + MODIFY_REG(hadc->Instance->LTR2, ADC_LTR_LT , tmpAWDLowThresholdShifted); + MODIFY_REG(hadc->Instance->HTR2, ADC_HTR_HT , tmpAWDHighThresholdShifted); + } + else + { + /* Set ADC analog watchdog thresholds value of both thresholds high and low */ + MODIFY_REG(hadc->Instance->LTR3, ADC_LTR_LT , tmpAWDLowThresholdShifted); + MODIFY_REG(hadc->Instance->HTR3, ADC_HTR_HT , tmpAWDHighThresholdShifted); + } + + if (AnalogWDGConfig->WatchdogNumber == ADC_ANALOGWATCHDOG_2) + { + /* Update state, clear previous result related to AWD2 */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_AWD2); + + /* Clear flag ADC analog watchdog */ + /* Note: Flag cleared Clear the ADC Analog watchdog flag to be ready */ + /* to use for HAL_ADC_IRQHandler() or HAL_ADC_PollForEvent() */ + /* (in case left enabled by previous ADC operations). */ + LL_ADC_ClearFlag_AWD2(hadc->Instance); + + /* Configure ADC analog watchdog interrupt */ + if (AnalogWDGConfig->ITMode == ENABLE) + { + LL_ADC_EnableIT_AWD2(hadc->Instance); + } + else + { + LL_ADC_DisableIT_AWD2(hadc->Instance); + } + } + /* (AnalogWDGConfig->WatchdogNumber == ADC_ANALOGWATCHDOG_3) */ + else + { + /* Update state, clear previous result related to AWD3 */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_AWD3); + + /* Clear flag ADC analog watchdog */ + /* Note: Flag cleared Clear the ADC Analog watchdog flag to be ready */ + /* to use for HAL_ADC_IRQHandler() or HAL_ADC_PollForEvent() */ + /* (in case left enabled by previous ADC operations). */ + LL_ADC_ClearFlag_AWD3(hadc->Instance); + + /* Configure ADC analog watchdog interrupt */ + if (AnalogWDGConfig->ITMode == ENABLE) + { + LL_ADC_EnableIT_AWD3(hadc->Instance); + } + else + { + LL_ADC_DisableIT_AWD3(hadc->Instance); + } + } + } + + } + /* If a conversion is on going on ADC group regular or injected, no update */ + /* could be done on neither of the AWD configuration structure parameters. */ + else + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); + + tmp_hal_status = HAL_ERROR; + } + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + + +/** + * @} + */ + +/** @defgroup ADC_Exported_Functions_Group4 Peripheral State functions + * @brief ADC Peripheral State functions + * +@verbatim + =============================================================================== + ##### Peripheral state and errors functions ##### + =============================================================================== + [..] + This subsection provides functions to get in run-time the status of the + peripheral. + (+) Check the ADC state + (+) Check the ADC error code + +@endverbatim + * @{ + */ + +/** + * @brief Return the ADC handle state. + * @note ADC state machine is managed by bitfields, ADC status must be + * compared with states bits. + * For example: + * " if ((HAL_ADC_GetState(hadc1) & HAL_ADC_STATE_REG_BUSY) != 0UL) " + * " if ((HAL_ADC_GetState(hadc1) & HAL_ADC_STATE_AWD1) != 0UL) " + * @param hadc ADC handle + * @retval ADC handle state (bitfield on 32 bits) + */ +uint32_t HAL_ADC_GetState(ADC_HandleTypeDef *hadc) +{ + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Return ADC handle state */ + return hadc->State; +} + +/** + * @brief Return the ADC error code. + * @param hadc ADC handle + * @retval ADC error code (bitfield on 32 bits) + */ +uint32_t HAL_ADC_GetError(ADC_HandleTypeDef *hadc) +{ + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + return hadc->ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup ADC_Private_Functions ADC Private Functions + * @{ + */ + +/** + * @brief Stop ADC conversion. + * @param hadc ADC handle + * @param ConversionGroup ADC group regular and/or injected. + * This parameter can be one of the following values: + * @arg @ref ADC_REGULAR_GROUP ADC regular conversion type. + * @arg @ref ADC_INJECTED_GROUP ADC injected conversion type. + * @arg @ref ADC_REGULAR_INJECTED_GROUP ADC regular and injected conversion type. + * @retval HAL status. + */ +HAL_StatusTypeDef ADC_ConversionStop(ADC_HandleTypeDef *hadc, uint32_t ConversionGroup) +{ + uint32_t tickstart; + uint32_t Conversion_Timeout_CPU_cycles = 0UL; + uint32_t conversion_group_reassigned = ConversionGroup; + uint32_t tmp_ADC_CR_ADSTART_JADSTART; + uint32_t tmp_adc_is_conversion_on_going_regular; + uint32_t tmp_adc_is_conversion_on_going_injected; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_CONVERSION_GROUP(ConversionGroup)); + + /* Verification if ADC is not already stopped (on regular and injected */ + /* groups) to bypass this function if not needed. */ + tmp_adc_is_conversion_on_going_regular = LL_ADC_REG_IsConversionOngoing(hadc->Instance); + tmp_adc_is_conversion_on_going_injected = LL_ADC_INJ_IsConversionOngoing(hadc->Instance); + if ((tmp_adc_is_conversion_on_going_regular != 0UL) + || (tmp_adc_is_conversion_on_going_injected != 0UL) + ) + { + /* Particular case of continuous auto-injection mode combined with */ + /* auto-delay mode. */ + /* In auto-injection mode, regular group stop ADC_CR_ADSTP is used (not */ + /* injected group stop ADC_CR_JADSTP). */ + /* Procedure to be followed: Wait until JEOS=1, clear JEOS, set ADSTP=1 */ + /* (see reference manual). */ + if (((hadc->Instance->CFGR & ADC_CFGR_JAUTO) != 0UL) + && (hadc->Init.ContinuousConvMode == ENABLE) + && (hadc->Init.LowPowerAutoWait == ENABLE) + ) + { + /* Use stop of regular group */ + conversion_group_reassigned = ADC_REGULAR_GROUP; + + /* Wait until JEOS=1 (maximum Timeout: 4 injected conversions) */ + while (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_JEOS) == 0UL) + { + if (Conversion_Timeout_CPU_cycles >= (ADC_CONVERSION_TIME_MAX_CPU_CYCLES * 4UL)) + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + + return HAL_ERROR; + } + Conversion_Timeout_CPU_cycles ++; + } + + /* Clear JEOS */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JEOS); + } + + /* Stop potential conversion on going on ADC group regular */ + if (conversion_group_reassigned != ADC_INJECTED_GROUP) + { + /* Software is allowed to set ADSTP only when ADSTART=1 and ADDIS=0 */ + if (LL_ADC_REG_IsConversionOngoing(hadc->Instance) != 0UL) + { + if (LL_ADC_IsDisableOngoing(hadc->Instance) == 0UL) + { + /* Stop ADC group regular conversion */ + LL_ADC_REG_StopConversion(hadc->Instance); + } + } + } + + /* Stop potential conversion on going on ADC group injected */ + if (conversion_group_reassigned != ADC_REGULAR_GROUP) + { + /* Software is allowed to set JADSTP only when JADSTART=1 and ADDIS=0 */ + if (LL_ADC_INJ_IsConversionOngoing(hadc->Instance) != 0UL) + { + if (LL_ADC_IsDisableOngoing(hadc->Instance) == 0UL) + { + /* Stop ADC group injected conversion */ + LL_ADC_INJ_StopConversion(hadc->Instance); + } + } + } + + /* Selection of start and stop bits with respect to the regular or injected group */ + switch (conversion_group_reassigned) + { + case ADC_REGULAR_INJECTED_GROUP: + tmp_ADC_CR_ADSTART_JADSTART = (ADC_CR_ADSTART | ADC_CR_JADSTART); + break; + case ADC_INJECTED_GROUP: + tmp_ADC_CR_ADSTART_JADSTART = ADC_CR_JADSTART; + break; + /* Case ADC_REGULAR_GROUP only*/ + default: + tmp_ADC_CR_ADSTART_JADSTART = ADC_CR_ADSTART; + break; + } + + /* Wait for conversion effectively stopped */ + tickstart = HAL_GetTick(); + + while ((hadc->Instance->CR & tmp_ADC_CR_ADSTART_JADSTART) != 0UL) + { + if ((HAL_GetTick() - tickstart) > ADC_STOP_CONVERSION_TIMEOUT) + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + + return HAL_ERROR; + } + } + + } + + /* Return HAL status */ + return HAL_OK; +} + + + +/** + * @brief Enable the selected ADC. + * @note Prerequisite condition to use this function: ADC must be disabled + * and voltage regulator must be enabled (done into HAL_ADC_Init()). + * @param hadc ADC handle + * @retval HAL status. + */ +HAL_StatusTypeDef ADC_Enable(ADC_HandleTypeDef *hadc) +{ + uint32_t tickstart; + + /* ADC enable and wait for ADC ready (in case of ADC is disabled or */ + /* enabling phase not yet completed: flag ADC ready not yet set). */ + /* Timeout implemented to not be stuck if ADC cannot be enabled (possible */ + /* causes: ADC clock not running, ...). */ + if (LL_ADC_IsEnabled(hadc->Instance) == 0UL) + { + /* Check if conditions to enable the ADC are fulfilled */ + if ((hadc->Instance->CR & (ADC_CR_ADCAL | ADC_CR_JADSTP | ADC_CR_ADSTP | ADC_CR_JADSTART | ADC_CR_ADSTART | ADC_CR_ADDIS | ADC_CR_ADEN)) != 0UL) + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + + return HAL_ERROR; + } + + /* Enable the ADC peripheral */ + LL_ADC_Enable(hadc->Instance); + + /* Wait for ADC effectively enabled */ + tickstart = HAL_GetTick(); + + /* Poll for ADC ready flag raised except case of multimode enabled + and ADC slave selected. */ + uint32_t tmp_multimode_config = LL_ADC_GetMultimode(__LL_ADC_COMMON_INSTANCE(hadc->Instance)); + if ( (__LL_ADC_MULTI_INSTANCE_MASTER(hadc->Instance) == hadc->Instance) + || (tmp_multimode_config == LL_ADC_MULTI_INDEPENDENT) + ) + { + while(__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_RDY) == 0UL) + { + /* If ADEN bit is set less than 4 ADC clock cycles after the ADCAL bit + has been cleared (after a calibration), ADEN bit is reset by the + calibration logic. + The workaround is to continue setting ADEN until ADRDY is becomes 1. + Additionally, ADC_ENABLE_TIMEOUT is defined to encompass this + 4 ADC clock cycle duration */ + /* Note: Test of ADC enabled required due to hardware constraint to */ + /* not enable ADC if already enabled. */ + if(LL_ADC_IsEnabled(hadc->Instance) == 0UL) + { + LL_ADC_Enable(hadc->Instance); + } + + if((HAL_GetTick() - tickstart) > ADC_ENABLE_TIMEOUT) + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + + return HAL_ERROR; + } + } + } + } + + /* Return HAL status */ + return HAL_OK; +} + +/** + * @brief Disable the selected ADC. + * @note Prerequisite condition to use this function: ADC conversions must be + * stopped. + * @param hadc ADC handle + * @retval HAL status. + */ +HAL_StatusTypeDef ADC_Disable(ADC_HandleTypeDef *hadc) +{ + uint32_t tickstart; + const uint32_t tmp_adc_is_disable_on_going = LL_ADC_IsDisableOngoing(hadc->Instance); + + /* Verification if ADC is not already disabled: */ + /* Note: forbidden to disable ADC (set bit ADC_CR_ADDIS) if ADC is already */ + /* disabled. */ + if ((LL_ADC_IsEnabled(hadc->Instance) != 0UL) + && (tmp_adc_is_disable_on_going == 0UL) + ) + { + /* Check if conditions to disable the ADC are fulfilled */ + if ((hadc->Instance->CR & (ADC_CR_JADSTART | ADC_CR_ADSTART | ADC_CR_ADEN)) == ADC_CR_ADEN) + { + /* Disable the ADC peripheral */ + LL_ADC_Disable(hadc->Instance); + __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_EOSMP | ADC_FLAG_RDY)); + } + else + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + + return HAL_ERROR; + } + + /* Wait for ADC effectively disabled */ + /* Get tick count */ + tickstart = HAL_GetTick(); + + while ((hadc->Instance->CR & ADC_CR_ADEN) != 0UL) + { + if ((HAL_GetTick() - tickstart) > ADC_DISABLE_TIMEOUT) + { + /* Update ADC state machine to error */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); + + /* Set ADC error code to ADC peripheral internal error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); + + return HAL_ERROR; + } + } + } + + /* Return HAL status */ + return HAL_OK; +} + +/** + * @brief DMA transfer complete callback. + * @param hdma pointer to DMA handle. + * @retval None + */ +void ADC_DMAConvCplt(DMA_HandleTypeDef *hdma) +{ + /* Retrieve ADC handle corresponding to current DMA handle */ + ADC_HandleTypeDef *hadc = (ADC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + /* Update state machine on conversion status if not in error state */ + if ((hadc->State & (HAL_ADC_STATE_ERROR_INTERNAL | HAL_ADC_STATE_ERROR_DMA)) == 0UL) + { + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_REG_EOC); + + /* Determine whether any further conversion upcoming on group regular */ + /* by external trigger, continuous mode or scan sequence on going */ + /* to disable interruption. */ + /* Is it the end of the regular sequence ? */ + if ((hadc->Instance->ISR & ADC_FLAG_EOS) != 0UL) + { + /* Are conversions software-triggered ? */ + if (LL_ADC_REG_IsTriggerSourceSWStart(hadc->Instance) != 0UL) + { + /* Is CONT bit set ? */ + if (READ_BIT(hadc->Instance->CFGR, ADC_CFGR_CONT) == 0UL) + { + /* CONT bit is not set, no more conversions expected */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_REG_BUSY); + if ((hadc->State & HAL_ADC_STATE_INJ_BUSY) == 0UL) + { + SET_BIT(hadc->State, HAL_ADC_STATE_READY); + } + } + } + } + else + { + /* DMA End of Transfer interrupt was triggered but conversions sequence + is not over. If DMACFG is set to 0, conversions are stopped. */ + if (READ_BIT(hadc->Instance->CFGR, ADC_CFGR_DMNGT) == 0UL) + { + /* DMACFG bit is not set, conversions are stopped. */ + CLEAR_BIT(hadc->State, HAL_ADC_STATE_REG_BUSY); + if ((hadc->State & HAL_ADC_STATE_INJ_BUSY) == 0UL) + { + SET_BIT(hadc->State, HAL_ADC_STATE_READY); + } + } + } + + /* Conversion complete callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->ConvCpltCallback(hadc); +#else + HAL_ADC_ConvCpltCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + } + else /* DMA and-or internal error occurred */ + { + if ((hadc->State & HAL_ADC_STATE_ERROR_INTERNAL) != 0UL) + { + /* Call HAL ADC Error Callback function */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->ErrorCallback(hadc); +#else + HAL_ADC_ErrorCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ + } + else + { + /* Call ADC DMA error callback */ + hadc->DMA_Handle->XferErrorCallback(hdma); + } + } +} + +/** + * @brief DMA half transfer complete callback. + * @param hdma pointer to DMA handle. + * @retval None + */ +void ADC_DMAHalfConvCplt(DMA_HandleTypeDef *hdma) +{ + /* Retrieve ADC handle corresponding to current DMA handle */ + ADC_HandleTypeDef *hadc = (ADC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + /* Half conversion callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->ConvHalfCpltCallback(hadc); +#else + HAL_ADC_ConvHalfCpltCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ +} + +/** + * @brief DMA error callback. + * @param hdma pointer to DMA handle. + * @retval None + */ +void ADC_DMAError(DMA_HandleTypeDef *hdma) +{ + /* Retrieve ADC handle corresponding to current DMA handle */ + ADC_HandleTypeDef *hadc = (ADC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + /* Set ADC state */ + SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_DMA); + + /* Set ADC error code to DMA error */ + SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_DMA); + + /* Error callback */ +#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) + hadc->ErrorCallback(hadc); +#else + HAL_ADC_ErrorCallback(hadc); +#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ +} + +/** + * @brief Configure boost mode of selected ADC. + * @note Prerequisite condition to use this function: ADC conversions must be + * stopped. + * @param hadc ADC handle + * @retval None. + */ +void ADC_ConfigureBoostMode(ADC_HandleTypeDef* hadc) +{ + uint32_t freq; + if(ADC_IS_SYNCHRONOUS_CLOCK_MODE(hadc)) + { + freq = HAL_RCC_GetHCLKFreq(); + switch(hadc->Init.ClockPrescaler) + { + case ADC_CLOCK_SYNC_PCLK_DIV1: + case ADC_CLOCK_SYNC_PCLK_DIV2: + freq /= (hadc->Init.ClockPrescaler >> ADC_CCR_CKMODE_Pos); + break; + case ADC_CLOCK_SYNC_PCLK_DIV4: + freq /= 4UL; + break; + default: + break; + } + } + else + { + freq = HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_ADC); + switch(hadc->Init.ClockPrescaler) + { + case ADC_CLOCK_ASYNC_DIV2: + case ADC_CLOCK_ASYNC_DIV4: + case ADC_CLOCK_ASYNC_DIV6: + case ADC_CLOCK_ASYNC_DIV8: + case ADC_CLOCK_ASYNC_DIV10: + case ADC_CLOCK_ASYNC_DIV12: + freq /= ((hadc->Init.ClockPrescaler >> ADC_CCR_PRESC_Pos) << 1UL); + break; + case ADC_CLOCK_ASYNC_DIV16: + freq /= 16UL; + break; + case ADC_CLOCK_ASYNC_DIV32: + freq /= 32UL; + break; + case ADC_CLOCK_ASYNC_DIV64: + freq /= 64UL; + break; + case ADC_CLOCK_ASYNC_DIV128: + freq /= 128UL; + break; + case ADC_CLOCK_ASYNC_DIV256: + freq /= 256UL; + break; + default: + break; + } + } + +#if defined(ADC_VER_V5_3) + freq /= 2U; + + if (freq <= 6250000UL) + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, 0UL); + } + else if(freq <= 12500000UL) + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, ADC_CR_BOOST_0); + } + else if(freq <= 25000000UL) + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, ADC_CR_BOOST_1); + } + else /* if(freq > 25000000UL) */ + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, ADC_CR_BOOST_1 | ADC_CR_BOOST_0); + } +#else + if(HAL_GetREVID() <= REV_ID_Y) /* STM32H7 silicon Rev.Y */ + { + if(freq > 20000000UL) + { + SET_BIT(hadc->Instance->CR, ADC_CR_BOOST_0); + } + else + { + CLEAR_BIT(hadc->Instance->CR, ADC_CR_BOOST_0); + } + } + else /* STM32H7 silicon Rev.V */ + { + freq /= 2U; /* divider by 2 for Rev.V */ + + if (freq <= 6250000UL) + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, 0UL); + } + else if(freq <= 12500000UL) + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, ADC_CR_BOOST_0); + } + else if(freq <= 25000000UL) + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, ADC_CR_BOOST_1); + } + else /* if(freq > 25000000UL) */ + { + MODIFY_REG(hadc->Instance->CR, ADC_CR_BOOST, ADC_CR_BOOST_1 | ADC_CR_BOOST_0); + } + } +#endif /* ADC_VER_V5_3 */ +} + +/** + * @} + */ + +#endif /* HAL_ADC_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3