From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 20 Dec 2020 15:18:02 +0100 Subject: Submodule-cache WIP --- .../STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_adc.c | 2476 -------------------- 1 file changed, 2476 deletions(-) delete mode 100644 fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_adc.c (limited to 'fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_adc.c') diff --git a/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_adc.c b/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_adc.c deleted file mode 100644 index c382417..0000000 --- a/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_adc.c +++ /dev/null @@ -1,2476 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f0xx_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 - * "stm32f0xx_hal_adc_ex.c". - * - @verbatim - ============================================================================== - ##### ADC peripheral features ##### - ============================================================================== - [..] - (+) 12-bit, 10-bit, 8-bit or 6-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 (common for all channels) - - (+) ADC conversion of regular group. - - (+) External trigger (timer or EXTI) with configurable polarity - - (+) DMA request generation for transfer of conversions data of regular group. - - (+) ADC calibration - - (+) ADC supply requirements: 2.4 V to 3.6 V at full speed and down to 1.8 V at - slower speed. - - (+) 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. - Caution: On STM32F0, ADC clock frequency max is 14MHz (refer - to device datasheet). - Therefore, ADC clock prescaler must be configured in - function of ADC clock source frequency to remain below - this maximum frequency. - - (++) 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 APB clock - or asynchronous clock derived from ADC dedicated HSI RC oscillator - 14MHz. - If asynchronous clock is selected, parameter "HSI14State" must be set either: - - to "...HSI14State = RCC_HSI14_ADC_CONTROL" to let the ADC control - the HSI14 oscillator enable/disable (if not used to supply the main - system clock): feature used if ADC mode LowPowerAutoPowerOff is - enabled. - - to "...HSI14State = RCC_HSI14_ON" to maintain the HSI14 oscillator - always enabled: can be used to supply the main system clock. - - (+++) Example: - Into HAL_ADC_MspInit() (recommended code location) or with - other device clock parameters configuration: - (+++) __HAL_RCC_ADC1_CLK_ENABLE(); (mandatory) - - HI14 enable or let under control of ADC: (optional: if asynchronous clock selected) - (+++) RCC_OscInitTypeDef RCC_OscInitStructure; - (+++) RCC_OscInitStructure.OscillatorType = RCC_OSCILLATORTYPE_HSI14; - (+++) RCC_OscInitStructure.HSI14CalibrationValue = RCC_HSI14CALIBRATION_DEFAULT; - (+++) RCC_OscInitStructure.HSI14State = RCC_HSI14_ADC_CONTROL; - (+++) RCC_OscInitStructure.PLL... (optional if used for system clock) - (+++) HAL_RCC_OscConfig(&RCC_OscInitStructure); - - (++) 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 __ADCx_FORCE_RESET(), __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: - (+++) RCC_OscInitStructure.OscillatorType = RCC_OSCILLATORTYPE_HSI14; - (+++) RCC_OscInitStructure.HSI14State = RCC_HSI14_OFF; (if not used for system clock) - (+++) HAL_RCC_OscConfig(&RCC_OscInitStructure); - - (#) 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_DisableIRQ(ADCx_IRQn) - - (#) Optionally, in case of usage of DMA: - (++) Deinitialize the DMA - using function HAL_DMA_DeInit(). - (++) Disable the NVIC for DMA - using function HAL_NVIC_DisableIRQ(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 - (+) 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 - (+) 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) 2016 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 "stm32f0xx_hal.h" - -/** @addtogroup STM32F0xx_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 - * @{ - */ - - /* Fixed timeout values for ADC calibration, enable settling time, disable */ - /* settling time. */ - /* Values defined to be higher than worst cases: low clock frequency, */ - /* maximum prescaler. */ - /* Ex of profile low frequency : Clock source at 0.1 MHz, ADC clock */ - /* prescaler 4, sampling time 7.5 ADC clock cycles, resolution 12 bits. */ - /* Unit: ms */ - #define ADC_ENABLE_TIMEOUT ( 2U) - #define ADC_DISABLE_TIMEOUT ( 2U) - #define ADC_STOP_CONVERSION_TIMEOUT ( 2U) - - /* Delay for ADC stabilization time. */ - /* Maximum delay is 1us (refer to device datasheet, parameter tSTAB). */ - /* Unit: us */ - #define ADC_STAB_DELAY_US ( 1U) - - /* Delay for temperature sensor stabilization time. */ - /* Maximum delay is 10us (refer to device datasheet, parameter tSTART). */ - /* Unit: us */ - #define ADC_TEMPSENSOR_DELAY_US ( 10U) - -/** - * @} - */ - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/** @defgroup ADC_Private_Functions ADC Private Functions - * @{ - */ -static HAL_StatusTypeDef ADC_Enable(ADC_HandleTypeDef* hadc); -static HAL_StatusTypeDef ADC_Disable(ADC_HandleTypeDef* hadc); -static HAL_StatusTypeDef ADC_ConversionStop(ADC_HandleTypeDef* hadc); -static void ADC_DMAConvCplt(DMA_HandleTypeDef *hdma); -static void ADC_DMAHalfConvCplt(DMA_HandleTypeDef *hdma); -static void ADC_DMAError(DMA_HandleTypeDef *hdma); -/** - * @} - */ - -/* Exported functions ---------------------------------------------------------*/ - -/** @defgroup ADC_Exported_Functions ADC Exported Functions - * @{ - */ - -/** @defgroup ADC_Exported_Functions_Group1 Initialization/de-initialization functions - * @brief 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 Initializes 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 - * depending on both possible clock sources: APB clock of HSI clock. - * See commented example code below that can be copied and uncommented - * into HAL_ADC_MspInit(). - * @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". - * @param hadc ADC handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_Init(ADC_HandleTypeDef* hadc) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - uint32_t tmpCFGR1 = 0U; - - /* 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_DATA_ALIGN(hadc->Init.DataAlign)); - assert_param(IS_ADC_SCAN_MODE(hadc->Init.ScanConvMode)); - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.DiscontinuousConvMode)); - assert_param(IS_ADC_EXTTRIG_EDGE(hadc->Init.ExternalTrigConvEdge)); - assert_param(IS_ADC_EXTTRIG(hadc->Init.ExternalTrigConv)); - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.DMAContinuousRequests)); - 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.LowPowerAutoPowerOff)); - - /* As prerequisite, into HAL_ADC_MspInit(), ADC clock must be configured */ - /* at RCC top level depending on both possible clock sources: */ - /* APB clock or HSI clock. */ - /* Refer to header of this file for more details on clock enabling procedure*/ - - /* Actions performed only if ADC is coming from state reset: */ - /* - Initialization of ADC MSP */ - /* - ADC voltage regulator enable */ - if (hadc->State == HAL_ADC_STATE_RESET) - { - /* Initialize ADC error code */ - ADC_CLEAR_ERRORCODE(hadc); - - /* Allocate lock resource and initialize it */ - hadc->Lock = HAL_UNLOCKED; - -#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 */ - - 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 */ - } - - /* Configuration of ADC parameters if previous preliminary actions are */ - /* correctly completed. */ - /* and if there is no conversion on going on regular group (ADC can be */ - /* enabled anyway, in case of call of this function to update a parameter */ - /* on the fly). */ - if (HAL_IS_BIT_CLR(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL) && - (tmp_hal_status == HAL_OK) && - (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) ) - { - /* Set ADC state */ - ADC_STATE_CLR_SET(hadc->State, - HAL_ADC_STATE_REG_BUSY, - HAL_ADC_STATE_BUSY_INTERNAL); - - /* Parameters update conditioned to ADC state: */ - /* Parameters that can be updated only when ADC is disabled: */ - /* - ADC clock mode */ - /* - ADC clock prescaler */ - /* - ADC resolution */ - if (ADC_IS_ENABLE(hadc) == RESET) - { - /* 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): */ - /* - internal measurement paths: Vbat, temperature sensor, Vref */ - /* (set into HAL_ADC_ConfigChannel() ) */ - - /* Configuration of ADC resolution */ - MODIFY_REG(hadc->Instance->CFGR1, - ADC_CFGR1_RES , - hadc->Init.Resolution ); - - /* Configuration of ADC clock mode: clock source AHB or HSI with */ - /* selectable prescaler */ - MODIFY_REG(hadc->Instance->CFGR2 , - ADC_CFGR2_CKMODE , - hadc->Init.ClockPrescaler ); - } - - /* Configuration of ADC: */ - /* - discontinuous mode */ - /* - LowPowerAutoWait mode */ - /* - LowPowerAutoPowerOff mode */ - /* - continuous conversion mode */ - /* - overrun */ - /* - external trigger to start conversion */ - /* - external trigger polarity */ - /* - data alignment */ - /* - resolution */ - /* - scan direction */ - /* - DMA continuous request */ - hadc->Instance->CFGR1 &= ~( ADC_CFGR1_DISCEN | - ADC_CFGR1_AUTOFF | - ADC_CFGR1_AUTDLY | - ADC_CFGR1_CONT | - ADC_CFGR1_OVRMOD | - ADC_CFGR1_EXTSEL | - ADC_CFGR1_EXTEN | - ADC_CFGR1_ALIGN | - ADC_CFGR1_SCANDIR | - ADC_CFGR1_DMACFG ); - - tmpCFGR1 |= (ADC_CFGR1_AUTOWAIT((uint32_t)hadc->Init.LowPowerAutoWait) | - ADC_CFGR1_AUTOOFF((uint32_t)hadc->Init.LowPowerAutoPowerOff) | - ADC_CFGR1_CONTINUOUS((uint32_t)hadc->Init.ContinuousConvMode) | - ADC_CFGR1_OVERRUN(hadc->Init.Overrun) | - hadc->Init.DataAlign | - ADC_SCANDIR(hadc->Init.ScanConvMode) | - ADC_CFGR1_DMACONTREQ((uint32_t)hadc->Init.DMAContinuousRequests) ); - - /* Enable discontinuous mode only if continuous mode is disabled */ - if (hadc->Init.DiscontinuousConvMode == ENABLE) - { - if (hadc->Init.ContinuousConvMode == DISABLE) - { - /* Enable the selected ADC group regular discontinuous mode */ - tmpCFGR1 |= ADC_CFGR1_DISCEN; - } - else - { - /* ADC regular group discontinuous was intended to be enabled, */ - /* but ADC regular group modes continuous and sequencer discontinuous */ - /* cannot be enabled simultaneously. */ - - /* Update ADC state machine to error */ - SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); - - /* Set ADC error code to ADC IP internal error */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); - } - } - - /* 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) - { - tmpCFGR1 |= ( hadc->Init.ExternalTrigConv | - hadc->Init.ExternalTrigConvEdge ); - } - - /* Update ADC configuration register with previous settings */ - hadc->Instance->CFGR1 |= tmpCFGR1; - - /* Channel sampling time configuration */ - /* Management of parameters "SamplingTimeCommon" and "SamplingTime" */ - /* (obsolete): sampling time set in this function if parameter */ - /* "SamplingTimeCommon" has been set to a valid sampling time. */ - /* Otherwise, sampling time is set into ADC channel initialization */ - /* structure with parameter "SamplingTime" (obsolete). */ - if (IS_ADC_SAMPLE_TIME(hadc->Init.SamplingTimeCommon)) - { - /* Channel sampling time configuration */ - /* Clear the old sample time */ - hadc->Instance->SMPR &= ~(ADC_SMPR_SMP); - - /* Set the new sample time */ - hadc->Instance->SMPR |= ADC_SMPR_SET(hadc->Init.SamplingTimeCommon); - } - - /* Check back that ADC registers have effectively been configured to */ - /* ensure of no potential problem of ADC core IP clocking. */ - /* Check through register CFGR1 (excluding analog watchdog configuration: */ - /* set into separate dedicated function, and bits of ADC resolution set */ - /* out of temporary variable 'tmpCFGR1'). */ - if ((hadc->Instance->CFGR1 & ~(ADC_CFGR1_AWDCH | ADC_CFGR1_AWDEN | ADC_CFGR1_AWDSGL | ADC_CFGR1_RES)) - == tmpCFGR1) - { - /* Set ADC error code to none */ - ADC_CLEAR_ERRORCODE(hadc); - - /* Set the ADC state */ - ADC_STATE_CLR_SET(hadc->State, - HAL_ADC_STATE_BUSY_INTERNAL, - HAL_ADC_STATE_READY); - } - else - { - /* Update ADC state machine to error */ - ADC_STATE_CLR_SET(hadc->State, - HAL_ADC_STATE_BUSY_INTERNAL, - HAL_ADC_STATE_ERROR_INTERNAL); - - /* Set ADC error code to ADC IP internal error */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); - - tmp_hal_status = HAL_ERROR; - } - - } - 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. - * If this is not the case, reset of these common parameters reset is - * bypassed without error reporting: it can be the intended behaviour in - * case of reset of a single ADC while the other ADCs sharing the same - * common group is still running. - * @param hadc ADC handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_DeInit(ADC_HandleTypeDef* hadc) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - - /* 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, on regular group */ - tmp_hal_status = ADC_ConversionStop(hadc); - - /* 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_ERROR) - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_READY; - } - } - - - /* Configuration of ADC parameters if previous preliminary actions are */ - /* correctly completed. */ - if (tmp_hal_status != HAL_ERROR) - { - - /* ========== Reset ADC registers ========== */ - /* Reset register IER */ - __HAL_ADC_DISABLE_IT(hadc, (ADC_IT_AWD | ADC_IT_OVR | - ADC_IT_EOS | ADC_IT_EOC | - ADC_IT_EOSMP | ADC_IT_RDY ) ); - - /* Reset register ISR */ - __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_AWD | ADC_FLAG_OVR | - ADC_FLAG_EOS | ADC_FLAG_EOC | - ADC_FLAG_EOSMP | ADC_FLAG_RDY ) ); - - /* Reset register CR */ - /* Bits ADC_CR_ADCAL, ADC_CR_ADSTP, ADC_CR_ADSTART are in access mode */ - /* "read-set": no direct reset applicable. */ - - /* Reset register CFGR1 */ - hadc->Instance->CFGR1 &= ~(ADC_CFGR1_AWDCH | ADC_CFGR1_AWDEN | ADC_CFGR1_AWDSGL | ADC_CFGR1_DISCEN | - ADC_CFGR1_AUTOFF | ADC_CFGR1_WAIT | ADC_CFGR1_CONT | ADC_CFGR1_OVRMOD | - ADC_CFGR1_EXTEN | ADC_CFGR1_EXTSEL | ADC_CFGR1_ALIGN | ADC_CFGR1_RES | - ADC_CFGR1_SCANDIR | ADC_CFGR1_DMACFG | ADC_CFGR1_DMAEN ); - - /* Reset register CFGR2 */ - /* Note: Update of ADC clock mode is conditioned to ADC state disabled: */ - /* already done above. */ - hadc->Instance->CFGR2 &= ~ADC_CFGR2_CKMODE; - - /* Reset register SMPR */ - hadc->Instance->SMPR &= ~ADC_SMPR_SMP; - - /* Reset register TR1 */ - hadc->Instance->TR &= ~(ADC_TR_HT | ADC_TR_LT); - - /* Reset register CHSELR */ - hadc->Instance->CHSELR &= ~(ADC_CHSELR_CHSEL18 | ADC_CHSELR_CHSEL17 | ADC_CHSELR_CHSEL16 | - ADC_CHSELR_CHSEL15 | ADC_CHSELR_CHSEL14 | ADC_CHSELR_CHSEL13 | ADC_CHSELR_CHSEL12 | - ADC_CHSELR_CHSEL11 | ADC_CHSELR_CHSEL10 | ADC_CHSELR_CHSEL9 | ADC_CHSELR_CHSEL8 | - ADC_CHSELR_CHSEL7 | ADC_CHSELR_CHSEL6 | ADC_CHSELR_CHSEL5 | ADC_CHSELR_CHSEL4 | - ADC_CHSELR_CHSEL3 | ADC_CHSELR_CHSEL2 | ADC_CHSELR_CHSEL1 | ADC_CHSELR_CHSEL0 ); - - /* Reset register DR */ - /* bits in access mode read only, no direct reset applicable*/ - - /* Reset register CCR */ - ADC->CCR &= ~(ADC_CCR_ALL); - - /* ========== Hard reset ADC peripheral ========== */ - /* Performs a global reset of the entire ADC peripheral: ADC state is */ - /* forced to a similar state after device power-on. */ - /* If needed, copy-paste and uncomment the following reset code into */ - /* function "void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)": */ - /* */ - /* __HAL_RCC_ADC1_FORCE_RESET() */ - /* __HAL_RCC_ADC1_RELEASE_RESET() */ - -#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) - if (hadc->MspDeInitCallback == NULL) - { - hadc->MspDeInitCallback = HAL_ADC_MspDeInit; /* Legacy weak MspDeInit */ - } - - /* DeInit the low level hardware */ - hadc->MspDeInitCallback(hadc); -#else - /* DeInit the low level hardware */ - HAL_ADC_MspDeInit(hadc); -#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ - - /* Set ADC error code to none */ - ADC_CLEAR_ERRORCODE(hadc); - - /* Set ADC state */ - hadc->State = HAL_ADC_STATE_RESET; - } - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - /* Return function status */ - return tmp_hal_status; -} - - -/** - * @brief Initializes 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 DeInitializes the ADC MSP. - * @param hadc ADC handle - * @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 complete 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_MSPINIT_CB_ID ADC Msp Init callback ID - * @arg @ref HAL_ADC_MSPDEINIT_CB_ID ADC Msp DeInit callback ID - * @arg @ref HAL_ADC_MSPINIT_CB_ID MspInit callback ID - * @arg @ref HAL_ADC_MSPDEINIT_CB_ID MspDeInit 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) != 0) - { - 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_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 complete 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_MSPINIT_CB_ID ADC Msp Init callback ID - * @arg @ref HAL_ADC_MSPDEINIT_CB_ID ADC Msp DeInit callback ID - * @arg @ref HAL_ADC_MSPINIT_CB_ID MspInit callback ID - * @arg @ref HAL_ADC_MSPDEINIT_CB_ID MspDeInit 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) != 0) - { - 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_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 IO operation functions - * @brief 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 Enables ADC, starts conversion of regular group. - * Interruptions enabled in this function: None. - * @param hadc ADC handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef* hadc) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Perform ADC enable and conversion start if no conversion is on going */ - if (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Process locked */ - __HAL_LOCK(hadc); - - /* Enable the ADC peripheral */ - /* If low power mode AutoPowerOff is enabled, power-on/off phases are */ - /* performed automatically by hardware. */ - if (hadc->Init.LowPowerAutoPowerOff != ENABLE) - { - 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 ADC all error code fields */ - ADC_CLEAR_ERRORCODE(hadc); - - /* Process unlocked */ - /* Unlock before starting ADC conversions: in case of potential */ - /* interruption, to let the process to ADC IRQ Handler. */ - __HAL_UNLOCK(hadc); - - /* 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)); - - /* 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. */ - hadc->Instance->CR |= ADC_CR_ADSTART; - } - } - else - { - tmp_hal_status = HAL_BUSY; - } - - /* Return function status */ - return tmp_hal_status; -} - -/** - * @brief Stop ADC conversion of regular group, disable ADC peripheral. - * @param hadc ADC handle - * @retval HAL status. - */ -HAL_StatusTypeDef HAL_ADC_Stop(ADC_HandleTypeDef* hadc) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Process locked */ - __HAL_LOCK(hadc); - - /* 1. Stop potential conversion on going, on regular group */ - tmp_hal_status = ADC_ConversionStop(hadc); - - /* 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_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_EOC; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* If end of conversion selected to end of sequence */ - if (hadc->Init.EOCSelection == ADC_EOC_SEQ_CONV) - { - tmp_Flag_EOC = ADC_FLAG_EOS; - } - /* If end of conversion selected to end of each 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 (HAL_IS_BIT_SET(hadc->Instance->CFGR1, ADC_CFGR1_DMAEN)) - { - /* Update ADC state machine to error */ - SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - return HAL_ERROR; - } - else - { - tmp_Flag_EOC = (ADC_FLAG_EOC | ADC_FLAG_EOS); - } - } - - /* Get tick count */ - tickstart = HAL_GetTick(); - - /* Wait until End of Conversion flag is raised */ - while(HAL_IS_BIT_CLR(hadc->Instance->ISR, tmp_Flag_EOC)) - { - /* Check if timeout is disabled (set to infinite wait) */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) - { - /* 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(ADC_IS_SOFTWARE_START_REGULAR(hadc) && - (hadc->Init.ContinuousConvMode == DISABLE) ) - { - /* 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 (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Disable ADC end of single conversion interrupt on group regular */ - /* 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 */ - ADC_STATE_CLR_SET(hadc->State, - HAL_ADC_STATE_REG_BUSY, - HAL_ADC_STATE_READY); - } - else - { - /* Change ADC state to error state */ - SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); - - /* Set ADC error code to ADC IP internal error */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); - } - } - } - - /* Clear end of conversion 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 (hadc->Init.LowPowerAutoWait == DISABLE) - { - /* Clear regular group conversion flag */ - __HAL_ADC_CLEAR_FLAG(hadc, (ADC_FLAG_EOC | ADC_FLAG_EOS)); - } - - /* Return ADC state */ - return HAL_OK; -} - -/** - * @brief Poll for conversion event. - * @param hadc ADC handle - * @param EventType the ADC event type. - * This parameter can be one of the following values: - * @arg ADC_AWD_EVENT: ADC Analog watchdog event - * @arg ADC_OVR_EVENT: ADC Overrun event - * @param Timeout Timeout value in millisecond. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_PollForEvent(ADC_HandleTypeDef* hadc, uint32_t EventType, uint32_t Timeout) -{ - uint32_t tickstart=0; - - /* 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) == RESET) - { - /* Check if timeout is disabled (set to infinite wait) */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0U) || ((HAL_GetTick()-tickstart) > Timeout)) - { - /* Update ADC state machine to timeout */ - SET_BIT(hadc->State, HAL_ADC_STATE_TIMEOUT); - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - return HAL_TIMEOUT; - } - } - } - - switch(EventType) - { - /* Analog watchdog (level out of window) event */ - 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_AWD); - 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); - } - - /* Clear ADC Overrun flag */ - __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_OVR); - break; - } - - /* Return ADC state */ - return HAL_OK; -} - -/** - * @brief Enables ADC, starts conversion of regular group with interruption. - * Interruptions enabled in this function: - * - EOC (end of conversion of regular group) or EOS (end of - * sequence of regular group) depending on ADC initialization - * parameter "EOCSelection" - * - overrun (if available) - * Each of these interruptions has its dedicated callback function. - * @param hadc ADC handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef* hadc) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Perform ADC enable and conversion start if no conversion is on going */ - if (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Process locked */ - __HAL_LOCK(hadc); - - /* Enable the ADC peripheral */ - /* If low power mode AutoPowerOff is enabled, power-on/off phases are */ - /* performed automatically by hardware. */ - if (hadc->Init.LowPowerAutoPowerOff != ENABLE) - { - 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 ADC all error code fields */ - ADC_CLEAR_ERRORCODE(hadc); - - /* Process unlocked */ - /* Unlock before starting ADC conversions: in case of potential */ - /* interruption, to let the process to ADC IRQ Handler. */ - __HAL_UNLOCK(hadc); - - /* 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)); - - /* Enable ADC end of conversion interrupt */ - /* Enable ADC overrun interrupt */ - switch(hadc->Init.EOCSelection) - { - case ADC_EOC_SEQ_CONV: - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_EOC); - __HAL_ADC_ENABLE_IT(hadc, (ADC_IT_EOS | ADC_IT_OVR)); - break; - /* case ADC_EOC_SINGLE_CONV */ - default: - __HAL_ADC_ENABLE_IT(hadc, (ADC_IT_EOC | ADC_IT_EOS | ADC_IT_OVR)); - break; - } - - /* 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. */ - hadc->Instance->CR |= ADC_CR_ADSTART; - } - } - else - { - tmp_hal_status = HAL_BUSY; - } - - /* Return function status */ - return tmp_hal_status; -} - - -/** - * @brief Stop ADC conversion of regular group, disable interruption 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 = HAL_OK; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Process locked */ - __HAL_LOCK(hadc); - - /* 1. Stop potential conversion on going, on regular group */ - tmp_hal_status = ADC_ConversionStop(hadc); - - /* 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_READY); - } - } - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - /* Return function status */ - return tmp_hal_status; -} - -/** - * @brief Enables ADC, starts conversion of regular group and transfers result - * through DMA. - * Interruptions enabled in this function: - * - DMA transfer complete - * - DMA half transfer - * - overrun - * Each of these interruptions has its dedicated callback function. - * @param hadc ADC handle - * @param pData The destination Buffer address. - * @param Length The length of data to be transferred from ADC peripheral to memory. - * @retval None - */ -HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Perform ADC enable and conversion start if no conversion is on going */ - if (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Process locked */ - __HAL_LOCK(hadc); - - /* Enable the ADC peripheral */ - /* If low power mode AutoPowerOff is enabled, power-on/off phases are */ - /* performed automatically by hardware. */ - if (hadc->Init.LowPowerAutoPowerOff != ENABLE) - { - 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 ADC all error code fields */ - ADC_CLEAR_ERRORCODE(hadc); - - /* Process unlocked */ - /* Unlock before starting ADC conversions: in case of potential */ - /* interruption, to let the process to ADC IRQ Handler. */ - __HAL_UNLOCK(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)); - - /* Enable ADC overrun interrupt */ - __HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR); - - /* Enable ADC DMA mode */ - hadc->Instance->CFGR1 |= ADC_CFGR1_DMAEN; - - /* Start the DMA channel */ - 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. */ - hadc->Instance->CR |= ADC_CR_ADSTART; - } - } - else - { - tmp_hal_status = HAL_BUSY; - } - - /* Return function status */ - return tmp_hal_status; -} - -/** - * @brief Stop ADC conversion of regular group, disable ADC DMA transfer, disable - * ADC peripheral. - * Each of these interruptions has its dedicated callback function. - * @param hadc ADC handle - * @retval HAL status. - */ -HAL_StatusTypeDef HAL_ADC_Stop_DMA(ADC_HandleTypeDef* hadc) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Process locked */ - __HAL_LOCK(hadc); - - /* 1. Stop potential conversion on going, on regular group */ - tmp_hal_status = ADC_ConversionStop(hadc); - - /* Disable ADC peripheral if conversions are effectively stopped */ - if (tmp_hal_status == HAL_OK) - { - /* Disable ADC DMA (ADC DMA configuration ADC_CFGR_DMACFG is kept) */ - hadc->Instance->CFGR1 &= ~ADC_CFGR1_DMAEN; - - /* Disable the DMA channel (in case of DMA in circular mode or stop while */ - /* while DMA transfer is on going) */ - 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 - { - 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_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 Handles ADC interrupt request. - * @param hadc ADC handle - * @retval None - */ -void HAL_ADC_IRQHandler(ADC_HandleTypeDef* hadc) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); - assert_param(IS_ADC_EOC_SELECTION(hadc->Init.EOCSelection)); - - /* ========== Check End of Conversion flag for regular group ========== */ - if( (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOC) && __HAL_ADC_GET_IT_SOURCE(hadc, ADC_IT_EOC)) || - (__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOS) && __HAL_ADC_GET_IT_SOURCE(hadc, ADC_IT_EOS)) ) - { - /* Update state machine on conversion status if not in error state */ - if (HAL_IS_BIT_CLR(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL)) - { - /* 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. */ - if(ADC_IS_SOFTWARE_START_REGULAR(hadc) && - (hadc->Init.ContinuousConvMode == DISABLE) ) - { - /* 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 (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Disable ADC end of single conversion interrupt on group regular */ - /* 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 */ - ADC_STATE_CLR_SET(hadc->State, - HAL_ADC_STATE_REG_BUSY, - HAL_ADC_STATE_READY); - } - else - { - /* Change ADC state to error state */ - SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); - - /* Set ADC error code to ADC IP internal error */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); - } - } - } - - /* Note: into callback, 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 Analog watchdog flags ========== */ - if(__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_AWD) && __HAL_ADC_GET_IT_SOURCE(hadc, ADC_IT_AWD)) - { - /* Set ADC state */ - SET_BIT(hadc->State, HAL_ADC_STATE_AWD1); - -#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_AWD); - - } - - - /* ========== Check Overrun flag ========== */ - if(__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_OVR) && __HAL_ADC_GET_IT_SOURCE(hadc, 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) || - HAL_IS_BIT_SET(hadc->Instance->CFGR1, ADC_CFGR1_DMAEN) ) - { - /* Set ADC error code to overrun */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_OVR); - - /* Clear ADC overrun flag */ - __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_OVR); - -#if (USE_HAL_ADC_REGISTER_CALLBACKS == 1) - hadc->ErrorCallback(hadc); -#else - HAL_ADC_ErrorCallback(hadc); -#endif /* USE_HAL_ADC_REGISTER_CALLBACKS */ - } - - /* Clear the Overrun flag */ - __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_OVR); - } - -} - - -/** - * @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 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_LevelOoutOfWindowCallback must be implemented in the user file. - */ -} - -/** - * @brief ADC error callback in non blocking mode - * (ADC conversion with interruption or transfer by DMA) - * @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 Configures the the selected channel to be linked to the regular - * group. - * @note In case of usage of internal measurement channels: - * VrefInt/Vbat/TempSensor. - * Sampling time constraints must be respected (sampling time can be - * adjusted in function of ADC clock frequency and sampling time - * setting). - * Refer to device datasheet for timings values, parameters TS_vrefint, - * TS_vbat, TS_temp (values rough order: 5us to 17us). - * These internal paths can be be disabled using function - * HAL_ADC_DeInit(). - * @note Possibility to update parameters on the fly: - * This function initializes channel into regular group, following - * calls to this function can be used to reconfigure some parameters - * of structure "ADC_ChannelConfTypeDef" on the fly, without reseting - * the ADC. - * The setting of these parameters is conditioned to ADC state. - * For parameters constraints, see comments of structure - * "ADC_ChannelConfTypeDef". - * @param hadc ADC handle - * @param sConfig Structure of ADC channel for regular group. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_ConfigChannel(ADC_HandleTypeDef* hadc, ADC_ChannelConfTypeDef* sConfig) -{ - HAL_StatusTypeDef tmp_hal_status = HAL_OK; - __IO uint32_t wait_loop_index = 0U; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - assert_param(IS_ADC_CHANNEL(sConfig->Channel)); - assert_param(IS_ADC_RANK(sConfig->Rank)); - - if (! IS_ADC_SAMPLE_TIME(hadc->Init.SamplingTimeCommon)) - { - assert_param(IS_ADC_SAMPLE_TIME(sConfig->SamplingTime)); - } - - /* 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 sampling time */ - /* - Management of internal measurement channels: VrefInt/TempSensor/Vbat */ - if (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Configure channel: depending on rank setting, add it or remove it from */ - /* ADC conversion sequencer. */ - if (sConfig->Rank != ADC_RANK_NONE) - { - /* Regular sequence configuration */ - /* Set the channel selection register from the selected channel */ - hadc->Instance->CHSELR |= ADC_CHSELR_CHANNEL(sConfig->Channel); - - /* Channel sampling time configuration */ - /* Management of parameters "SamplingTimeCommon" and "SamplingTime" */ - /* (obsolete): sampling time set in this function with */ - /* parameter "SamplingTime" (obsolete) only if not already set into */ - /* ADC initialization structure with parameter "SamplingTimeCommon". */ - if (! IS_ADC_SAMPLE_TIME(hadc->Init.SamplingTimeCommon)) - { - /* Modify sampling time if needed (not needed in case of reoccurrence */ - /* for several channels programmed consecutively into the sequencer) */ - if (sConfig->SamplingTime != ADC_GET_SAMPLINGTIME(hadc)) - { - /* Channel sampling time configuration */ - /* Clear the old sample time */ - hadc->Instance->SMPR &= ~(ADC_SMPR_SMP); - - /* Set the new sample time */ - hadc->Instance->SMPR |= ADC_SMPR_SET(sConfig->SamplingTime); - } - } - - /* Management of internal measurement channels: VrefInt/TempSensor/Vbat */ - /* internal measurement paths enable: If internal channel selected, */ - /* enable dedicated internal buffers and path. */ - /* Note: these internal measurement paths can be disabled using */ - /* HAL_ADC_DeInit() or removing the channel from sequencer with */ - /* channel configuration parameter "Rank". */ - if(ADC_IS_CHANNEL_INTERNAL(sConfig->Channel)) - { - /* If Channel_16 is selected, enable Temp. sensor measurement path. */ - /* If Channel_17 is selected, enable VREFINT measurement path. */ - /* If Channel_18 is selected, enable VBAT measurement path. */ - ADC->CCR |= ADC_CHANNEL_INTERNAL_PATH(sConfig->Channel); - - /* If Temp. sensor is selected, wait for stabilization delay */ - if (sConfig->Channel == ADC_CHANNEL_TEMPSENSOR) - { - /* Delay for temperature sensor stabilization time */ - /* Compute number of CPU cycles to wait for */ - wait_loop_index = (ADC_TEMPSENSOR_DELAY_US * (SystemCoreClock / 1000000U)); - while(wait_loop_index != 0U) - { - wait_loop_index--; - } - } - } - } - else - { - /* Regular sequence configuration */ - /* Reset the channel selection register from the selected channel */ - hadc->Instance->CHSELR &= ~ADC_CHSELR_CHANNEL(sConfig->Channel); - - /* Management of internal measurement channels: VrefInt/TempSensor/Vbat */ - /* internal measurement paths disable: If internal channel selected, */ - /* disable dedicated internal buffers and path. */ - if(ADC_IS_CHANNEL_INTERNAL(sConfig->Channel)) - { - /* If Channel_16 is selected, disable Temp. sensor measurement path. */ - /* If Channel_17 is selected, disable VREFINT measurement path. */ - /* If Channel_18 is selected, disable VBAT measurement path. */ - ADC->CCR &= ~ADC_CHANNEL_INTERNAL_PATH(sConfig->Channel); - } - } - - } - - /* 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 Configures the analog watchdog. - * @note Possibility to update parameters on the fly: - * This function initializes the selected analog watchdog, following - * calls to this function can be used to reconfigure some parameters - * of structure "ADC_AnalogWDGConfTypeDef" on the fly, without reseting - * the ADC. - * The setting of these parameters is conditioned to ADC state. - * For parameters constraints, see comments of structure - * "ADC_AnalogWDGConfTypeDef". - * @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; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - assert_param(IS_ADC_ANALOG_WATCHDOG_MODE(AnalogWDGConfig->WatchdogMode)); - assert_param(IS_FUNCTIONAL_STATE(AnalogWDGConfig->ITMode)); - - /* Verify if threshold is 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)); - - if(AnalogWDGConfig->WatchdogMode == ADC_ANALOGWATCHDOG_SINGLE_REG) - { - assert_param(IS_ADC_CHANNEL(AnalogWDGConfig->Channel)); - } - - /* 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: */ - /* - Analog watchdog channels */ - /* - Analog watchdog thresholds */ - if (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Configuration of analog watchdog: */ - /* - Set the analog watchdog enable mode: one or overall group of */ - /* channels. */ - /* - Set the Analog watchdog channel (is not used if watchdog */ - /* mode "all channels": ADC_CFGR_AWD1SGL=0). */ - hadc->Instance->CFGR1 &= ~( ADC_CFGR1_AWDSGL | - ADC_CFGR1_AWDEN | - ADC_CFGR1_AWDCH ); - - hadc->Instance->CFGR1 |= ( AnalogWDGConfig->WatchdogMode | - ADC_CFGR_AWDCH(AnalogWDGConfig->Channel) ); - - /* 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 */ - hadc->Instance->TR &= ~(ADC_TR_HT | ADC_TR_LT); - hadc->Instance->TR |= ( ADC_TRX_HIGHTHRESHOLD (tmpAWDHighThresholdShifted) | - tmpAWDLowThresholdShifted ); - - /* Clear the ADC Analog watchdog flag (in case of left enabled by */ - /* previous ADC operations) to be ready to use for HAL_ADC_IRQHandler() */ - /* or HAL_ADC_PollForEvent(). */ - __HAL_ADC_CLEAR_FLAG(hadc, ADC_IT_AWD); - - /* Configure ADC Analog watchdog interrupt */ - if(AnalogWDGConfig->ITMode == ENABLE) - { - /* Enable the ADC Analog watchdog interrupt */ - __HAL_ADC_ENABLE_IT(hadc, ADC_IT_AWD); - } - else - { - /* Disable the ADC Analog watchdog interrupt */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_AWD); - } - - } - /* If a conversion is on going on regular group, 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 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 state - * @note ADC state machine is managed by bitfields, ADC status must be - * compared with states bits. - * For example: - * " if (HAL_IS_BIT_SET(HAL_ADC_GetState(hadc1), HAL_ADC_STATE_REG_BUSY)) " - * " if (HAL_IS_BIT_SET(HAL_ADC_GetState(hadc1), HAL_ADC_STATE_AWD1) ) " - * @param hadc ADC handle - * @retval HAL state - */ -uint32_t HAL_ADC_GetState(ADC_HandleTypeDef* hadc) -{ - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Return ADC state */ - return hadc->State; -} - -/** - * @brief Return the ADC error code - * @param hadc ADC handle - * @retval ADC Error Code - */ -uint32_t HAL_ADC_GetError(ADC_HandleTypeDef *hadc) -{ - return hadc->ErrorCode; -} - -/** - * @} - */ - -/** - * @} - */ - -/** @defgroup ADC_Private_Functions ADC Private Functions - * @{ - */ - -/** - * @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()). - * @note If low power mode AutoPowerOff is enabled, power-on/off phases are - * performed automatically by hardware. - * In this mode, this function is useless and must not be called because - * flag ADC_FLAG_RDY is not usable. - * Therefore, this function must be called under condition of - * "if (hadc->Init.LowPowerAutoPowerOff != ENABLE)". - * @param hadc ADC handle - * @retval HAL status. - */ -static HAL_StatusTypeDef ADC_Enable(ADC_HandleTypeDef* hadc) -{ - uint32_t tickstart = 0U; - __IO uint32_t wait_loop_index = 0U; - - /* 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 (ADC_IS_ENABLE(hadc) == RESET) - { - /* Check if conditions to enable the ADC are fulfilled */ - if (ADC_ENABLING_CONDITIONS(hadc) == RESET) - { - /* Update ADC state machine to error */ - SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); - - /* Set ADC error code to ADC IP internal error */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); - - return HAL_ERROR; - } - - /* Enable the ADC peripheral */ - __HAL_ADC_ENABLE(hadc); - - /* Delay for ADC stabilization time */ - /* Compute number of CPU cycles to wait for */ - wait_loop_index = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000U)); - while(wait_loop_index != 0U) - { - wait_loop_index--; - } - - /* Get tick count */ - tickstart = HAL_GetTick(); - - /* Wait for ADC effectively enabled */ - while(__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_RDY) == RESET) - { - 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 IP 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. - */ -static HAL_StatusTypeDef ADC_Disable(ADC_HandleTypeDef* hadc) -{ - uint32_t tickstart = 0U; - - /* Verification if ADC is not already disabled: */ - /* Note: forbidden to disable ADC (set bit ADC_CR_ADDIS) if ADC is already */ - /* disabled. */ - if (ADC_IS_ENABLE(hadc) != RESET) - { - /* Check if conditions to disable the ADC are fulfilled */ - if (ADC_DISABLING_CONDITIONS(hadc) != RESET) - { - /* Disable the ADC peripheral */ - __HAL_ADC_DISABLE(hadc); - } - else - { - /* Update ADC state machine to error */ - SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL); - - /* Set ADC error code to ADC IP 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(HAL_IS_BIT_SET(hadc->Instance->CR, ADC_CR_ADEN)) - { - 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 IP internal error */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); - - return HAL_ERROR; - } - } - } - - /* Return HAL status */ - return HAL_OK; -} - - -/** - * @brief Stop ADC conversion. - * @note Prerequisite condition to use this function: ADC conversions must be - * stopped to disable the ADC. - * @param hadc ADC handle - * @retval HAL status. - */ -static HAL_StatusTypeDef ADC_ConversionStop(ADC_HandleTypeDef* hadc) -{ - uint32_t tickstart = 0U; - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Verification if ADC is not already stopped on regular group to bypass */ - /* this function if not needed. */ - if (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc)) - { - - /* Stop potential conversion on going on regular group */ - /* Software is allowed to set ADSTP only when ADSTART=1 and ADDIS=0 */ - if (HAL_IS_BIT_SET(hadc->Instance->CR, ADC_CR_ADSTART) && - HAL_IS_BIT_CLR(hadc->Instance->CR, ADC_CR_ADDIS) ) - { - /* Stop conversions on regular group */ - hadc->Instance->CR |= ADC_CR_ADSTP; - } - - /* Wait for conversion effectively stopped */ - /* Get tick count */ - tickstart = HAL_GetTick(); - - while((hadc->Instance->CR & ADC_CR_ADSTART) != RESET) - { - 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 IP 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 - */ -static 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 (HAL_IS_BIT_CLR(hadc->State, HAL_ADC_STATE_ERROR_INTERNAL | HAL_ADC_STATE_ERROR_DMA)) - { - /* 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. */ - if(ADC_IS_SOFTWARE_START_REGULAR(hadc) && - (hadc->Init.ContinuousConvMode == DISABLE) ) - { - /* 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 (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET) - { - /* Disable ADC end of single conversion interrupt on group regular */ - /* 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 */ - ADC_STATE_CLR_SET(hadc->State, - HAL_ADC_STATE_REG_BUSY, - HAL_ADC_STATE_READY); - } - else - { - /* Change ADC state to error state */ - SET_BIT(hadc->State, HAL_ADC_STATE_ERROR_CONFIG); - - /* Set ADC error code to ADC IP internal error */ - SET_BIT(hadc->ErrorCode, HAL_ADC_ERROR_INTERNAL); - } - } - } - - /* 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 - { - /* Call DMA error callback */ - hadc->DMA_Handle->XferErrorCallback(hdma); - } - -} - -/** - * @brief DMA half transfer complete callback. - * @param hdma pointer to DMA handle. - * @retval None - */ -static 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 - */ -static 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 */ -} - -/** - * @} - */ - -#endif /* HAL_ADC_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit