diff options
| author | Aditya Naik | 2021-04-20 13:11:16 -0400 |
|---|---|---|
| committer | Aditya Naik | 2021-04-20 13:11:16 -0400 |
| commit | ae4978977d3a2ca1e9493c1152aed35078fd846e (patch) | |
| tree | 34dee1775ef3c63dd443cb0c18c2fdd1e19c1eb6 /lib/f4/stm32f4xx_hal_adc_ex.c | |
Cleanup and README
Diffstat (limited to 'lib/f4/stm32f4xx_hal_adc_ex.c')
| -rw-r--r-- | lib/f4/stm32f4xx_hal_adc_ex.c | 1086 |
1 files changed, 1086 insertions, 0 deletions
diff --git a/lib/f4/stm32f4xx_hal_adc_ex.c b/lib/f4/stm32f4xx_hal_adc_ex.c new file mode 100644 index 0000000..88da9b9 --- /dev/null +++ b/lib/f4/stm32f4xx_hal_adc_ex.c @@ -0,0 +1,1086 @@ +/**
+ ******************************************************************************
+ * @file stm32f4xx_hal_adc_ex.c
+ * @author MCD Application Team
+ * @brief This file provides firmware functions to manage the following
+ * functionalities of the ADC extension peripheral:
+ * + Extended features functions
+ *
+ @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ (#)Initialize the ADC low level resources by implementing the HAL_ADC_MspInit():
+ (##) Enable the ADC interface clock using __HAL_RCC_ADC_CLK_ENABLE()
+ (##) ADC pins configuration
+ (+++) Enable the clock for the ADC GPIOs using the following function:
+ __HAL_RCC_GPIOx_CLK_ENABLE()
+ (+++) Configure these ADC pins in analog mode using HAL_GPIO_Init()
+ (##) In case of using interrupts (e.g. HAL_ADC_Start_IT())
+ (+++) Configure the ADC interrupt priority using HAL_NVIC_SetPriority()
+ (+++) Enable the ADC IRQ handler using HAL_NVIC_EnableIRQ()
+ (+++) In ADC IRQ handler, call HAL_ADC_IRQHandler()
+ (##) In case of using DMA to control data transfer (e.g. HAL_ADC_Start_DMA())
+ (+++) Enable the DMAx interface clock using __HAL_RCC_DMAx_CLK_ENABLE()
+ (+++) Configure and enable two DMA streams stream for managing data
+ transfer from peripheral to memory (output stream)
+ (+++) Associate the initialized DMA handle to the ADC DMA handle
+ using __HAL_LINKDMA()
+ (+++) Configure the priority and enable the NVIC for the transfer complete
+ interrupt on the two DMA Streams. The output stream should have higher
+ priority than the input stream.
+ (#) Configure the ADC Prescaler, conversion resolution and data alignment
+ using the HAL_ADC_Init() function.
+
+ (#) Configure the ADC Injected channels group features, use HAL_ADC_Init()
+ and HAL_ADC_ConfigChannel() functions.
+
+ (#) Three operation modes are available within this driver:
+
+ *** Polling mode IO operation ***
+ =================================
+ [..]
+ (+) Start the ADC peripheral using HAL_ADCEx_InjectedStart()
+ (+) Wait for end of conversion using HAL_ADC_PollForConversion(), at this stage
+ user can specify the value of timeout according to his end application
+ (+) To read the ADC converted values, use the HAL_ADCEx_InjectedGetValue() function.
+ (+) Stop the ADC peripheral using HAL_ADCEx_InjectedStop()
+
+ *** Interrupt mode IO operation ***
+ ===================================
+ [..]
+ (+) Start the ADC peripheral using HAL_ADCEx_InjectedStart_IT()
+ (+) Use HAL_ADC_IRQHandler() called under ADC_IRQHandler() Interrupt subroutine
+ (+) At ADC end of conversion HAL_ADCEx_InjectedConvCpltCallback() function is executed and user can
+ add his own code by customization of function pointer HAL_ADCEx_InjectedConvCpltCallback
+ (+) In case of ADC Error, HAL_ADCEx_InjectedErrorCallback() function is executed and user can
+ add his own code by customization of function pointer HAL_ADCEx_InjectedErrorCallback
+ (+) Stop the ADC peripheral using HAL_ADCEx_InjectedStop_IT()
+
+ *** Multi mode ADCs Regular channels configuration ***
+ ======================================================
+ [..]
+ (+) Select the Multi mode ADC regular channels features (dual or triple mode)
+ and configure the DMA mode using HAL_ADCEx_MultiModeConfigChannel() functions.
+ (+) Start the ADC peripheral using HAL_ADCEx_MultiModeStart_DMA(), at this stage the user specify the length
+ of data to be transferred at each end of conversion
+ (+) Read the ADCs converted values using the HAL_ADCEx_MultiModeGetValue() function.
+
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * 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 "stm32f4xx_hal.h"
+
+/** @addtogroup STM32F4xx_HAL_Driver
+ * @{
+ */
+
+/** @defgroup ADCEx ADCEx
+ * @brief ADC Extended driver modules
+ * @{
+ */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/** @addtogroup ADCEx_Private_Functions
+ * @{
+ */
+/* Private function prototypes -----------------------------------------------*/
+static void ADC_MultiModeDMAConvCplt(DMA_HandleTypeDef *hdma);
+static void ADC_MultiModeDMAError(DMA_HandleTypeDef *hdma);
+static void ADC_MultiModeDMAHalfConvCplt(DMA_HandleTypeDef *hdma);
+/**
+ * @}
+ */
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup ADCEx_Exported_Functions ADC Exported Functions
+ * @{
+ */
+
+/** @defgroup ADCEx_Exported_Functions_Group1 Extended features functions
+ * @brief Extended features functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Extended features functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Start conversion of injected channel.
+ (+) Stop conversion of injected channel.
+ (+) Start multimode and enable DMA transfer.
+ (+) Stop multimode and disable DMA transfer.
+ (+) Get result of injected channel conversion.
+ (+) Get result of multimode conversion.
+ (+) Configure injected channels.
+ (+) Configure multimode.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables the selected ADC software start conversion of the injected channels.
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_ADCEx_InjectedStart(ADC_HandleTypeDef* hadc)
+{
+ __IO uint32_t counter = 0U;
+ uint32_t tmp1 = 0U, tmp2 = 0U;
+ ADC_Common_TypeDef *tmpADC_Common;
+
+ /* Process locked */
+ __HAL_LOCK(hadc);
+
+ /* Enable the ADC peripheral */
+
+ /* Check if ADC peripheral is disabled in order to enable it and wait during
+ Tstab time the ADC's stabilization */
+ if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
+ {
+ /* Enable the Peripheral */
+ __HAL_ADC_ENABLE(hadc);
+
+ /* Delay for ADC stabilization time */
+ /* Compute number of CPU cycles to wait for */
+ counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000U));
+ while(counter != 0U)
+ {
+ counter--;
+ }
+ }
+
+ /* Start conversion if ADC is effectively enabled */
+ if(HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_ADON))
+ {
+ /* Set ADC state */
+ /* - Clear state bitfield related to injected group conversion results */
+ /* - Set state bitfield related to injected operation */
+ ADC_STATE_CLR_SET(hadc->State,
+ HAL_ADC_STATE_READY | HAL_ADC_STATE_INJ_EOC,
+ HAL_ADC_STATE_INJ_BUSY);
+
+ /* Check if a regular conversion is ongoing */
+ /* Note: On this device, there is no ADC error code fields related to */
+ /* conversions on group injected only. In case of conversion on */
+ /* going on group regular, no error code is reset. */
+ if (HAL_IS_BIT_CLR(hadc->State, 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 injected group conversion flag */
+ /* (To ensure of no unknown state from potential previous ADC operations) */
+ __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JEOC);
+
+ /* Pointer to the common control register to which is belonging hadc */
+ /* (Depending on STM32F4 product, there may be up to 3 ADC and 1 common */
+ /* control register) */
+ tmpADC_Common = ADC_COMMON_REGISTER(hadc);
+
+ /* Check if Multimode enabled */
+ if(HAL_IS_BIT_CLR(tmpADC_Common->CCR, ADC_CCR_MULTI))
+ {
+ tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
+ tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
+ if(tmp1 && tmp2)
+ {
+ /* Enable the selected ADC software conversion for injected group */
+ hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
+ }
+ }
+ else
+ {
+ tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
+ tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
+ if((hadc->Instance == ADC1) && tmp1 && tmp2)
+ {
+ /* Enable the selected ADC software conversion for injected group */
+ hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
+ }
+ }
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Enables the interrupt and starts ADC conversion of injected channels.
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ *
+ * @retval HAL status.
+ */
+HAL_StatusTypeDef HAL_ADCEx_InjectedStart_IT(ADC_HandleTypeDef* hadc)
+{
+ __IO uint32_t counter = 0U;
+ uint32_t tmp1 = 0U, tmp2 = 0U;
+ ADC_Common_TypeDef *tmpADC_Common;
+
+ /* Process locked */
+ __HAL_LOCK(hadc);
+
+ /* Enable the ADC peripheral */
+
+ /* Check if ADC peripheral is disabled in order to enable it and wait during
+ Tstab time the ADC's stabilization */
+ if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
+ {
+ /* Enable the Peripheral */
+ __HAL_ADC_ENABLE(hadc);
+
+ /* Delay for ADC stabilization time */
+ /* Compute number of CPU cycles to wait for */
+ counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000U));
+ while(counter != 0U)
+ {
+ counter--;
+ }
+ }
+
+ /* Start conversion if ADC is effectively enabled */
+ if(HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_ADON))
+ {
+ /* Set ADC state */
+ /* - Clear state bitfield related to injected group conversion results */
+ /* - Set state bitfield related to injected operation */
+ ADC_STATE_CLR_SET(hadc->State,
+ HAL_ADC_STATE_READY | HAL_ADC_STATE_INJ_EOC,
+ HAL_ADC_STATE_INJ_BUSY);
+
+ /* Check if a regular conversion is ongoing */
+ /* Note: On this device, there is no ADC error code fields related to */
+ /* conversions on group injected only. In case of conversion on */
+ /* going on group regular, no error code is reset. */
+ if (HAL_IS_BIT_CLR(hadc->State, 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 injected group conversion flag */
+ /* (To ensure of no unknown state from potential previous ADC operations) */
+ __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JEOC);
+
+ /* Enable end of conversion interrupt for injected channels */
+ __HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOC);
+
+ /* Pointer to the common control register to which is belonging hadc */
+ /* (Depending on STM32F4 product, there may be up to 3 ADC and 1 common */
+ /* control register) */
+ tmpADC_Common = ADC_COMMON_REGISTER(hadc);
+
+ /* Check if Multimode enabled */
+ if(HAL_IS_BIT_CLR(tmpADC_Common->CCR, ADC_CCR_MULTI))
+ {
+ tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
+ tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
+ if(tmp1 && tmp2)
+ {
+ /* Enable the selected ADC software conversion for injected group */
+ hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
+ }
+ }
+ else
+ {
+ tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
+ tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
+ if((hadc->Instance == ADC1) && tmp1 && tmp2)
+ {
+ /* Enable the selected ADC software conversion for injected group */
+ hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
+ }
+ }
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Stop conversion of injected channels. Disable ADC peripheral if
+ * no regular conversion is on going.
+ * @note If ADC must be disabled and if conversion is on going on
+ * regular group, function HAL_ADC_Stop must be used to stop both
+ * injected and regular groups, and disable the ADC.
+ * @note If injected group mode auto-injection is enabled,
+ * function HAL_ADC_Stop must be used.
+ * @note In case of auto-injection mode, HAL_ADC_Stop must be used.
+ * @param hadc ADC handle
+ * @retval None
+ */
+HAL_StatusTypeDef HAL_ADCEx_InjectedStop(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);
+
+ /* Stop potential conversion and disable ADC peripheral */
+ /* Conditioned to: */
+ /* - No conversion on the other group (regular group) is intended to */
+ /* continue (injected and regular groups stop conversion and ADC disable */
+ /* are common) */
+ /* - In case of auto-injection mode, HAL_ADC_Stop must be used. */
+ if(((hadc->State & HAL_ADC_STATE_REG_BUSY) == RESET) &&
+ HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO) )
+ {
+ /* Stop potential conversion on going, on regular and injected groups */
+ /* Disable ADC peripheral */
+ __HAL_ADC_DISABLE(hadc);
+
+ /* Check if ADC is effectively disabled */
+ if(HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_ADON))
+ {
+ /* Set ADC state */
+ ADC_STATE_CLR_SET(hadc->State,
+ HAL_ADC_STATE_REG_BUSY | HAL_ADC_STATE_INJ_BUSY,
+ HAL_ADC_STATE_READY);
+ }
+ }
+ 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 Poll for injected conversion complete
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @param Timeout Timeout value in millisecond.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_ADCEx_InjectedPollForConversion(ADC_HandleTypeDef* hadc, uint32_t Timeout)
+{
+ uint32_t tickstart = 0U;
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ /* Check End of conversion flag */
+ while(!(__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_JEOC)))
+ {
+ /* Check for the Timeout */
+ if(Timeout != HAL_MAX_DELAY)
+ {
+ if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
+ {
+ hadc->State= HAL_ADC_STATE_TIMEOUT;
+ /* Process unlocked */
+ __HAL_UNLOCK(hadc);
+ return HAL_TIMEOUT;
+ }
+ }
+ }
+
+ /* Clear injected group conversion flag */
+ __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JSTRT | ADC_FLAG_JEOC);
+
+ /* Update ADC state machine */
+ SET_BIT(hadc->State, HAL_ADC_STATE_INJ_EOC);
+
+ /* Determine whether any further conversion upcoming on group injected */
+ /* by external trigger, continuous mode or scan sequence on going. */
+ /* Note: On STM32F4, there is no independent flag of end of sequence. */
+ /* The test of scan sequence on going is done either with scan */
+ /* sequence disabled or with end of conversion flag set to */
+ /* of end of sequence. */
+ if(ADC_IS_SOFTWARE_START_INJECTED(hadc) &&
+ (HAL_IS_BIT_CLR(hadc->Instance->JSQR, ADC_JSQR_JL) ||
+ HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_EOCS) ) &&
+ (HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO) &&
+ (ADC_IS_SOFTWARE_START_REGULAR(hadc) &&
+ (hadc->Init.ContinuousConvMode == DISABLE) ) ) )
+ {
+ /* Set ADC state */
+ CLEAR_BIT(hadc->State, HAL_ADC_STATE_INJ_BUSY);
+
+ if (HAL_IS_BIT_CLR(hadc->State, HAL_ADC_STATE_REG_BUSY))
+ {
+ SET_BIT(hadc->State, HAL_ADC_STATE_READY);
+ }
+ }
+
+ /* Return ADC state */
+ return HAL_OK;
+}
+
+/**
+ * @brief Stop conversion of injected channels, disable interruption of
+ * end-of-conversion. Disable ADC peripheral if no regular conversion
+ * is on going.
+ * @note If ADC must be disabled and if conversion is on going on
+ * regular group, function HAL_ADC_Stop must be used to stop both
+ * injected and regular groups, and disable the ADC.
+ * @note If injected group mode auto-injection is enabled,
+ * function HAL_ADC_Stop must be used.
+ * @param hadc ADC handle
+ * @retval None
+ */
+HAL_StatusTypeDef HAL_ADCEx_InjectedStop_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);
+
+ /* Stop potential conversion and disable ADC peripheral */
+ /* Conditioned to: */
+ /* - No conversion on the other group (regular group) is intended to */
+ /* continue (injected and regular groups stop conversion and ADC disable */
+ /* are common) */
+ /* - In case of auto-injection mode, HAL_ADC_Stop must be used. */
+ if(((hadc->State & HAL_ADC_STATE_REG_BUSY) == RESET) &&
+ HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO) )
+ {
+ /* Stop potential conversion on going, on regular and injected groups */
+ /* Disable ADC peripheral */
+ __HAL_ADC_DISABLE(hadc);
+
+ /* Check if ADC is effectively disabled */
+ if(HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_ADON))
+ {
+ /* Disable ADC end of conversion interrupt for injected channels */
+ __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOC);
+
+ /* Set ADC state */
+ ADC_STATE_CLR_SET(hadc->State,
+ HAL_ADC_STATE_REG_BUSY | HAL_ADC_STATE_INJ_BUSY,
+ HAL_ADC_STATE_READY);
+ }
+ }
+ 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 Gets the converted value from data register of injected channel.
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @param InjectedRank the ADC injected rank.
+ * This parameter can be one of the following values:
+ * @arg ADC_INJECTED_RANK_1: Injected Channel1 selected
+ * @arg ADC_INJECTED_RANK_2: Injected Channel2 selected
+ * @arg ADC_INJECTED_RANK_3: Injected Channel3 selected
+ * @arg ADC_INJECTED_RANK_4: Injected Channel4 selected
+ * @retval None
+ */
+uint32_t HAL_ADCEx_InjectedGetValue(ADC_HandleTypeDef* hadc, uint32_t InjectedRank)
+{
+ __IO uint32_t tmp = 0U;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_INJECTED_RANK(InjectedRank));
+
+ /* Clear injected group conversion flag to have similar behaviour as */
+ /* regular group: reading data register also clears end of conversion flag. */
+ __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JEOC);
+
+ /* Return the selected ADC converted value */
+ switch(InjectedRank)
+ {
+ case ADC_INJECTED_RANK_4:
+ {
+ tmp = hadc->Instance->JDR4;
+ }
+ break;
+ case ADC_INJECTED_RANK_3:
+ {
+ tmp = hadc->Instance->JDR3;
+ }
+ break;
+ case ADC_INJECTED_RANK_2:
+ {
+ tmp = hadc->Instance->JDR2;
+ }
+ break;
+ case ADC_INJECTED_RANK_1:
+ {
+ tmp = hadc->Instance->JDR1;
+ }
+ break;
+ default:
+ break;
+ }
+ return tmp;
+}
+
+/**
+ * @brief Enables ADC DMA request after last transfer (Multi-ADC mode) and enables ADC peripheral
+ *
+ * @note Caution: This function must be used only with the ADC master.
+ *
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @param pData Pointer to buffer in which transferred from ADC peripheral to memory will be stored.
+ * @param Length The length of data to be transferred from ADC peripheral to memory.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_ADCEx_MultiModeStart_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length)
+{
+ __IO uint32_t counter = 0U;
+ ADC_Common_TypeDef *tmpADC_Common;
+
+ /* Check the parameters */
+ assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode));
+ assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge));
+ assert_param(IS_FUNCTIONAL_STATE(hadc->Init.DMAContinuousRequests));
+
+ /* Process locked */
+ __HAL_LOCK(hadc);
+
+ /* Check if ADC peripheral is disabled in order to enable it and wait during
+ Tstab time the ADC's stabilization */
+ if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
+ {
+ /* Enable the Peripheral */
+ __HAL_ADC_ENABLE(hadc);
+
+ /* Delay for temperature sensor stabilization time */
+ /* Compute number of CPU cycles to wait for */
+ counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000U));
+ while(counter != 0U)
+ {
+ counter--;
+ }
+ }
+
+ /* Start conversion if ADC is effectively enabled */
+ if(HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_ADON))
+ {
+ /* Set ADC state */
+ /* - Clear state bitfield related to regular group conversion results */
+ /* - Set state bitfield related to regular group 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_BUSY);
+
+ /* If conversions on group regular are also triggering group injected, */
+ /* update ADC state. */
+ if (READ_BIT(hadc->Instance->CR1, ADC_CR1_JAUTO) != RESET)
+ {
+ ADC_STATE_CLR_SET(hadc->State, HAL_ADC_STATE_INJ_EOC, HAL_ADC_STATE_INJ_BUSY);
+ }
+
+ /* State machine update: Check if an injected conversion is ongoing */
+ if (HAL_IS_BIT_SET(hadc->State, HAL_ADC_STATE_INJ_BUSY))
+ {
+ /* Reset ADC error code fields related to conversions on group regular */
+ CLEAR_BIT(hadc->ErrorCode, (HAL_ADC_ERROR_OVR | HAL_ADC_ERROR_DMA));
+ }
+ else
+ {
+ /* 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_MultiModeDMAConvCplt;
+
+ /* Set the DMA half transfer complete callback */
+ hadc->DMA_Handle->XferHalfCpltCallback = ADC_MultiModeDMAHalfConvCplt;
+
+ /* Set the DMA error callback */
+ hadc->DMA_Handle->XferErrorCallback = ADC_MultiModeDMAError ;
+
+ /* 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);
+
+ /* Enable ADC overrun interrupt */
+ __HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
+
+ /* Pointer to the common control register to which is belonging hadc */
+ /* (Depending on STM32F4 product, there may be up to 3 ADC and 1 common */
+ /* control register) */
+ tmpADC_Common = ADC_COMMON_REGISTER(hadc);
+
+ if (hadc->Init.DMAContinuousRequests != DISABLE)
+ {
+ /* Enable the selected ADC DMA request after last transfer */
+ tmpADC_Common->CCR |= ADC_CCR_DDS;
+ }
+ else
+ {
+ /* Disable the selected ADC EOC rising on each regular channel conversion */
+ tmpADC_Common->CCR &= ~ADC_CCR_DDS;
+ }
+
+ /* Enable the DMA Stream */
+ HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&tmpADC_Common->CDR, (uint32_t)pData, Length);
+
+ /* if no external trigger present enable software conversion of regular channels */
+ if((hadc->Instance->CR2 & ADC_CR2_EXTEN) == RESET)
+ {
+ /* Enable the selected ADC software conversion for regular group */
+ hadc->Instance->CR2 |= (uint32_t)ADC_CR2_SWSTART;
+ }
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Disables ADC DMA (multi-ADC mode) and disables ADC peripheral
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_ADCEx_MultiModeStop_DMA(ADC_HandleTypeDef* hadc)
+{
+ HAL_StatusTypeDef tmp_hal_status = HAL_OK;
+ ADC_Common_TypeDef *tmpADC_Common;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance));
+
+ /* Process locked */
+ __HAL_LOCK(hadc);
+
+ /* Stop potential conversion on going, on regular and injected groups */
+ /* Disable ADC peripheral */
+ __HAL_ADC_DISABLE(hadc);
+
+ /* Pointer to the common control register to which is belonging hadc */
+ /* (Depending on STM32F4 product, there may be up to 3 ADC and 1 common */
+ /* control register) */
+ tmpADC_Common = ADC_COMMON_REGISTER(hadc);
+
+ /* Check if ADC is effectively disabled */
+ if(HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_ADON))
+ {
+ /* Disable the selected ADC DMA mode for multimode */
+ tmpADC_Common->CCR &= ~ADC_CCR_DDS;
+
+ /* Disable the DMA channel (in case of DMA in circular mode or stop while */
+ /* DMA transfer is on going) */
+ tmp_hal_status = HAL_DMA_Abort(hadc->DMA_Handle);
+
+ /* Disable ADC overrun interrupt */
+ __HAL_ADC_DISABLE_IT(hadc, ADC_IT_OVR);
+
+ /* 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 Returns the last ADC1, ADC2 and ADC3 regular conversions results
+ * data in the selected multi mode.
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @retval The converted data value.
+ */
+uint32_t HAL_ADCEx_MultiModeGetValue(ADC_HandleTypeDef* hadc)
+{
+ ADC_Common_TypeDef *tmpADC_Common;
+
+ /* Pointer to the common control register to which is belonging hadc */
+ /* (Depending on STM32F4 product, there may be up to 3 ADC and 1 common */
+ /* control register) */
+ tmpADC_Common = ADC_COMMON_REGISTER(hadc);
+
+ /* Return the multi mode conversion value */
+ return tmpADC_Common->CDR;
+}
+
+/**
+ * @brief Injected conversion complete callback in non blocking mode
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @retval None
+ */
+__weak void HAL_ADCEx_InjectedConvCpltCallback(ADC_HandleTypeDef* hadc)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hadc);
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_ADC_InjectedConvCpltCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Configures for the selected ADC injected channel its corresponding
+ * rank in the sequencer and its sample time.
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @param sConfigInjected ADC configuration structure for injected channel.
+ * @retval None
+ */
+HAL_StatusTypeDef HAL_ADCEx_InjectedConfigChannel(ADC_HandleTypeDef* hadc, ADC_InjectionConfTypeDef* sConfigInjected)
+{
+
+#ifdef USE_FULL_ASSERT
+ uint32_t tmp = 0U;
+
+#endif /* USE_FULL_ASSERT */
+
+ ADC_Common_TypeDef *tmpADC_Common;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_CHANNEL(sConfigInjected->InjectedChannel));
+ assert_param(IS_ADC_INJECTED_RANK(sConfigInjected->InjectedRank));
+ assert_param(IS_ADC_SAMPLE_TIME(sConfigInjected->InjectedSamplingTime));
+ assert_param(IS_ADC_EXT_INJEC_TRIG(sConfigInjected->ExternalTrigInjecConv));
+ assert_param(IS_ADC_INJECTED_LENGTH(sConfigInjected->InjectedNbrOfConversion));
+ assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->AutoInjectedConv));
+ assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->InjectedDiscontinuousConvMode));
+
+#ifdef USE_FULL_ASSERT
+ tmp = ADC_GET_RESOLUTION(hadc);
+ assert_param(IS_ADC_RANGE(tmp, sConfigInjected->InjectedOffset));
+#endif /* USE_FULL_ASSERT */
+
+ if(sConfigInjected->ExternalTrigInjecConv != ADC_INJECTED_SOFTWARE_START)
+ {
+ assert_param(IS_ADC_EXT_INJEC_TRIG_EDGE(sConfigInjected->ExternalTrigInjecConvEdge));
+ }
+
+ /* Process locked */
+ __HAL_LOCK(hadc);
+
+ /* if ADC_Channel_10 ... ADC_Channel_18 is selected */
+ if (sConfigInjected->InjectedChannel > ADC_CHANNEL_9)
+ {
+ /* Clear the old sample time */
+ hadc->Instance->SMPR1 &= ~ADC_SMPR1(ADC_SMPR1_SMP10, sConfigInjected->InjectedChannel);
+
+ /* Set the new sample time */
+ hadc->Instance->SMPR1 |= ADC_SMPR1(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel);
+ }
+ else /* ADC_Channel include in ADC_Channel_[0..9] */
+ {
+ /* Clear the old sample time */
+ hadc->Instance->SMPR2 &= ~ADC_SMPR2(ADC_SMPR2_SMP0, sConfigInjected->InjectedChannel);
+
+ /* Set the new sample time */
+ hadc->Instance->SMPR2 |= ADC_SMPR2(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel);
+ }
+
+ /*---------------------------- ADCx JSQR Configuration -----------------*/
+ hadc->Instance->JSQR &= ~(ADC_JSQR_JL);
+ hadc->Instance->JSQR |= ADC_SQR1(sConfigInjected->InjectedNbrOfConversion);
+
+ /* Rank configuration */
+
+ /* Clear the old SQx bits for the selected rank */
+ hadc->Instance->JSQR &= ~ADC_JSQR(ADC_JSQR_JSQ1, sConfigInjected->InjectedRank,sConfigInjected->InjectedNbrOfConversion);
+
+ /* Set the SQx bits for the selected rank */
+ hadc->Instance->JSQR |= ADC_JSQR(sConfigInjected->InjectedChannel, sConfigInjected->InjectedRank,sConfigInjected->InjectedNbrOfConversion);
+
+ /* 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(sConfigInjected->ExternalTrigInjecConv != ADC_INJECTED_SOFTWARE_START)
+ {
+ /* Select external trigger to start conversion */
+ hadc->Instance->CR2 &= ~(ADC_CR2_JEXTSEL);
+ hadc->Instance->CR2 |= sConfigInjected->ExternalTrigInjecConv;
+
+ /* Select external trigger polarity */
+ hadc->Instance->CR2 &= ~(ADC_CR2_JEXTEN);
+ hadc->Instance->CR2 |= sConfigInjected->ExternalTrigInjecConvEdge;
+ }
+ else
+ {
+ /* Reset the external trigger */
+ hadc->Instance->CR2 &= ~(ADC_CR2_JEXTSEL);
+ hadc->Instance->CR2 &= ~(ADC_CR2_JEXTEN);
+ }
+
+ if (sConfigInjected->AutoInjectedConv != DISABLE)
+ {
+ /* Enable the selected ADC automatic injected group conversion */
+ hadc->Instance->CR1 |= ADC_CR1_JAUTO;
+ }
+ else
+ {
+ /* Disable the selected ADC automatic injected group conversion */
+ hadc->Instance->CR1 &= ~(ADC_CR1_JAUTO);
+ }
+
+ if (sConfigInjected->InjectedDiscontinuousConvMode != DISABLE)
+ {
+ /* Enable the selected ADC injected discontinuous mode */
+ hadc->Instance->CR1 |= ADC_CR1_JDISCEN;
+ }
+ else
+ {
+ /* Disable the selected ADC injected discontinuous mode */
+ hadc->Instance->CR1 &= ~(ADC_CR1_JDISCEN);
+ }
+
+ switch(sConfigInjected->InjectedRank)
+ {
+ case 1U:
+ /* Set injected channel 1 offset */
+ hadc->Instance->JOFR1 &= ~(ADC_JOFR1_JOFFSET1);
+ hadc->Instance->JOFR1 |= sConfigInjected->InjectedOffset;
+ break;
+ case 2U:
+ /* Set injected channel 2 offset */
+ hadc->Instance->JOFR2 &= ~(ADC_JOFR2_JOFFSET2);
+ hadc->Instance->JOFR2 |= sConfigInjected->InjectedOffset;
+ break;
+ case 3U:
+ /* Set injected channel 3 offset */
+ hadc->Instance->JOFR3 &= ~(ADC_JOFR3_JOFFSET3);
+ hadc->Instance->JOFR3 |= sConfigInjected->InjectedOffset;
+ break;
+ default:
+ /* Set injected channel 4 offset */
+ hadc->Instance->JOFR4 &= ~(ADC_JOFR4_JOFFSET4);
+ hadc->Instance->JOFR4 |= sConfigInjected->InjectedOffset;
+ break;
+ }
+
+ /* Pointer to the common control register to which is belonging hadc */
+ /* (Depending on STM32F4 product, there may be up to 3 ADC and 1 common */
+ /* control register) */
+ tmpADC_Common = ADC_COMMON_REGISTER(hadc);
+
+ /* if ADC1 Channel_18 is selected enable VBAT Channel */
+ if ((hadc->Instance == ADC1) && (sConfigInjected->InjectedChannel == ADC_CHANNEL_VBAT))
+ {
+ /* Enable the VBAT channel*/
+ tmpADC_Common->CCR |= ADC_CCR_VBATE;
+ }
+
+ /* if ADC1 Channel_16 or Channel_17 is selected enable TSVREFE Channel(Temperature sensor and VREFINT) */
+ if ((hadc->Instance == ADC1) && ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR) || (sConfigInjected->InjectedChannel == ADC_CHANNEL_VREFINT)))
+ {
+ /* Enable the TSVREFE channel*/
+ tmpADC_Common->CCR |= ADC_CCR_TSVREFE;
+ }
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hadc);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Configures the ADC multi-mode
+ * @param hadc pointer to a ADC_HandleTypeDef structure that contains
+ * the configuration information for the specified ADC.
+ * @param multimode pointer to an ADC_MultiModeTypeDef structure that contains
+ * the configuration information for multimode.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_ADCEx_MultiModeConfigChannel(ADC_HandleTypeDef* hadc, ADC_MultiModeTypeDef* multimode)
+{
+
+ ADC_Common_TypeDef *tmpADC_Common;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_MODE(multimode->Mode));
+ assert_param(IS_ADC_DMA_ACCESS_MODE(multimode->DMAAccessMode));
+ assert_param(IS_ADC_SAMPLING_DELAY(multimode->TwoSamplingDelay));
+
+ /* Process locked */
+ __HAL_LOCK(hadc);
+
+ /* Pointer to the common control register to which is belonging hadc */
+ /* (Depending on STM32F4 product, there may be up to 3 ADC and 1 common */
+ /* control register) */
+ tmpADC_Common = ADC_COMMON_REGISTER(hadc);
+
+ /* Set ADC mode */
+ tmpADC_Common->CCR &= ~(ADC_CCR_MULTI);
+ tmpADC_Common->CCR |= multimode->Mode;
+
+ /* Set the ADC DMA access mode */
+ tmpADC_Common->CCR &= ~(ADC_CCR_DMA);
+ tmpADC_Common->CCR |= multimode->DMAAccessMode;
+
+ /* Set delay between two sampling phases */
+ tmpADC_Common->CCR &= ~(ADC_CCR_DELAY);
+ tmpADC_Common->CCR |= multimode->TwoSamplingDelay;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hadc);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @brief DMA transfer complete callback.
+ * @param hdma pointer to a DMA_HandleTypeDef structure that contains
+ * the configuration information for the specified DMA module.
+ * @retval None
+ */
+static void ADC_MultiModeDMAConvCplt(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))
+ {
+ /* 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. */
+ /* Note: On STM32F4, there is no independent flag of end of sequence. */
+ /* The test of scan sequence on going is done either with scan */
+ /* sequence disabled or with end of conversion flag set to */
+ /* of end of sequence. */
+ if(ADC_IS_SOFTWARE_START_REGULAR(hadc) &&
+ (hadc->Init.ContinuousConvMode == DISABLE) &&
+ (HAL_IS_BIT_CLR(hadc->Instance->SQR1, ADC_SQR1_L) ||
+ HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_EOCS) ) )
+ {
+ /* Disable ADC end of single conversion interrupt on group regular */
+ /* Note: Overrun interrupt was enabled with EOC interrupt in */
+ /* HAL_ADC_Start_IT(), but is not disabled here because can be used */
+ /* by overrun IRQ process below. */
+ __HAL_ADC_DISABLE_IT(hadc, ADC_IT_EOC);
+
+ /* Set ADC state */
+ CLEAR_BIT(hadc->State, HAL_ADC_STATE_REG_BUSY);
+
+ if (HAL_IS_BIT_CLR(hadc->State, HAL_ADC_STATE_INJ_BUSY))
+ {
+ SET_BIT(hadc->State, HAL_ADC_STATE_READY);
+ }
+ }
+
+ /* Conversion complete callback */
+ HAL_ADC_ConvCpltCallback(hadc);
+ }
+ else
+ {
+ /* Call DMA error callback */
+ hadc->DMA_Handle->XferErrorCallback(hdma);
+ }
+}
+
+/**
+ * @brief DMA half transfer complete callback.
+ * @param hdma pointer to a DMA_HandleTypeDef structure that contains
+ * the configuration information for the specified DMA module.
+ * @retval None
+ */
+static void ADC_MultiModeDMAHalfConvCplt(DMA_HandleTypeDef *hdma)
+{
+ ADC_HandleTypeDef* hadc = ( ADC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+ /* Conversion complete callback */
+ HAL_ADC_ConvHalfCpltCallback(hadc);
+}
+
+/**
+ * @brief DMA error callback
+ * @param hdma pointer to a DMA_HandleTypeDef structure that contains
+ * the configuration information for the specified DMA module.
+ * @retval None
+ */
+static void ADC_MultiModeDMAError(DMA_HandleTypeDef *hdma)
+{
+ ADC_HandleTypeDef* hadc = ( ADC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+ hadc->State= HAL_ADC_STATE_ERROR_DMA;
+ /* Set ADC error code to DMA error */
+ hadc->ErrorCode |= HAL_ADC_ERROR_DMA;
+ HAL_ADC_ErrorCallback(hadc);
+}
+
+/**
+ * @}
+ */
+
+#endif /* HAL_ADC_MODULE_ENABLED */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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