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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_adc_ex.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_adc_ex.c | 1300 |
1 files changed, 1300 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_adc_ex.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_adc_ex.c new file mode 100644 index 0000000000..6608a6aefa --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_adc_ex.c @@ -0,0 +1,1300 @@ +/** + ****************************************************************************** + * @file stm32f1xx_hal_adc_ex.c + * @author MCD Application Team + * @version V1.0.0 + * @date 15-December-2014 + * @brief This file provides firmware functions to manage the following + * functionalities of the Analog to Digital Convertor (ADC) + * peripheral: + * + Operation functions + * ++ Start, stop, get result of conversions of injected + * group, using 2 possible modes: polling, interruption. + * ++ Multimode feature (available on devices with 2 ADCs or more) + * ++ Calibration (ADC automatic self-calibration) + * + Control functions + * ++ Channels configuration on injected group + * Other functions (generic functions) are available in file + * "stm32f1xx_hal_adc.c". + * + @verbatim + [..] + (@) Sections "ADC peripheral features" and "How to use this driver" are + available in file of generic functions "stm32f1xx_hal_adc.c". + [..] + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f1xx_hal.h" + +/** @addtogroup STM32F1xx_HAL_Driver + * @{ + */ + +/** @defgroup ADCEx ADCEx + * @brief ADC Extension HAL module driver + * @{ + */ + +#ifdef HAL_ADC_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @defgroup ADCEx_Private_Constants ADCEx Private Constants + * @{ + */ + + /* Delay for ADC calibration: */ + /* Hardware prerequisite before starting a calibration: the ADC must have */ + /* been in power-on state for at least two ADC clock cycles. */ + /* Unit: ADC clock cycles */ + #define ADC_PRECALIBRATION_DELAY_ADCCLOCKCYCLES ((uint32_t) 2) + + /* Timeout value for ADC calibration */ + /* Value defined to be higher than worst cases: low clocks freq, */ + /* maximum prescaler. */ + /* Ex of profile low frequency : Clock source at 0.1 MHz, ADC clock */ + /* prescaler 4, sampling time 12.5 ADC clock cycles, resolution 12 bits. */ + /* Unit: ms */ + #define ADC_CALIBRATION_TIMEOUT ((uint32_t) 10) + + /* Delay for temperature sensor stabilization time. */ + /* Maximum delay is 10us (refer to device datasheet, parameter tSTART). */ + /* Unit: us */ + #define ADC_TEMPSENSOR_DELAY_US ((uint32_t) 10) + +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup ADCEx_Exported_Functions ADCEx Exported Functions + * @{ + */ + +/** @defgroup ADCEx_Exported_Functions_Group1 Extended Extended IO operation functions + * @brief Extended Extended Input and Output operation functions + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Start conversion of injected group. + (+) Stop conversion of injected group. + (+) Poll for conversion complete on injected group. + (+) Get result of injected channel conversion. + (+) Start conversion of injected group and enable interruptions. + (+) Stop conversion of injected group and disable interruptions. + + (+) Start multimode and enable DMA transfer. + (+) Stop multimode and disable ADC DMA transfer. + (+) Get result of multimode conversion. + + (+) Perform the ADC self-calibration for single or differential ending. + (+) Get calibration factors for single or differential ending. + (+) Set calibration factors for single or differential ending. + +@endverbatim + * @{ + */ + +/** + * @brief Perform an ADC automatic self-calibration + * Calibration prerequisite: ADC must be disabled (execute this + * function before HAL_ADC_Start() or after HAL_ADC_Stop() ). + * During calibration process, ADC is enabled. ADC is let enabled at + * the completion of this function. + * @param hadc: ADC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADCEx_Calibration_Start(ADC_HandleTypeDef* hadc) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + uint32_t tickstart; + __IO uint32_t wait_loop_index = 0; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Process locked */ + __HAL_LOCK(hadc); + + /* 1. Calibration prerequisite: */ + /* - ADC must be disabled for at least two ADC clock cycles in disable */ + /* mode before ADC enable */ + /* Stop potential conversion on going, on regular and injected groups */ + /* Disable ADC peripheral */ + tmp_hal_status = ADC_ConversionStop_Disable(hadc); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status != HAL_ERROR) + { + /* Hardware prerequisite: delay before starting the calibration. */ + /* - Computation of CPU clock cycles corresponding to ADC clock cycles. */ + /* - Wait for the expected ADC clock cycles delay */ + wait_loop_index = ((SystemCoreClock + / HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_ADC)) + * ADC_PRECALIBRATION_DELAY_ADCCLOCKCYCLES ); + + while(wait_loop_index != 0) + { + wait_loop_index--; + } + + /* 2. Enable the ADC peripheral */ + ADC_Enable(hadc); + + + /* 3. Resets ADC calibration registers */ + SET_BIT(hadc->Instance->CR2, ADC_CR2_RSTCAL); + + tickstart = HAL_GetTick(); + + /* Wait for calibration reset completion */ + while(HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_RSTCAL)) + { + if((HAL_GetTick() - tickstart) > ADC_CALIBRATION_TIMEOUT) + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_ERROR; + } + } + + + /* 4. Start ADC calibration */ + SET_BIT(hadc->Instance->CR2, ADC_CR2_CAL); + + tickstart = HAL_GetTick(); + + /* Wait for calibration completion */ + while(HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_CAL)) + { + if((HAL_GetTick() - tickstart) > ADC_CALIBRATION_TIMEOUT) + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_ERROR; + } + } + + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Enables ADC, starts conversion of injected group. + * Interruptions enabled in this function: None. + * @param hadc: ADC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADCEx_InjectedStart(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); + + /* Enable the ADC peripheral */ + tmp_hal_status = ADC_Enable(hadc); + + /* Start conversion if ADC is effectively enabled */ + if (tmp_hal_status != HAL_ERROR) + { + /* Check if a regular conversion is ongoing */ + if(hadc->State == HAL_ADC_STATE_BUSY_REG) + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_BUSY_INJ_REG; + } + else + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_BUSY_INJ; + } + + /* Process unlocked */ + /* Unlock before starting ADC conversions: in case of potential */ + /* interruption, to let the process to ADC IRQ Handler. */ + __HAL_UNLOCK(hadc); + + /* Set ADC error code to none */ + ADC_CLEAR_ERRORCODE(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 conversion of injected group. */ + /* If software start has been selected, conversion starts immediately. */ + /* If external trigger has been selected, conversion will start at next */ + /* trigger event. */ + /* If automatic injected conversion is enabled, conversion will start */ + /* after next regular group conversion. */ + /* Case of multimode enabled (for devices with several ADCs): if ADC is */ + /* slave, ADC is enabled only (conversion is not started). If ADC is */ + /* master, ADC is enabled and conversion is started. */ + if (HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO)) + { + if (ADC_IS_SOFTWARE_START_INJECTED(hadc) && + ADC_NONMULTIMODE_OR_MULTIMODEMASTER(hadc) ) + { + /* Start ADC conversion on injected group with SW start */ + SET_BIT(hadc->Instance->CR2, (ADC_CR2_JSWSTART | ADC_CR2_JEXTTRIG)); + } + else + { + /* Start ADC conversion on injected group with external trigger */ + SET_BIT(hadc->Instance->CR2, ADC_CR2_JEXTTRIG); + } + } + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hadc); + } + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @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 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_BUSY_REG) && + (hadc->State != HAL_ADC_STATE_BUSY_INJ_REG) && + HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO) ) + { + /* Stop potential conversion on going, on regular and injected groups */ + /* Disable ADC peripheral */ + tmp_hal_status = ADC_ConversionStop_Disable(hadc); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status != HAL_ERROR) + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_READY; + } + } + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + tmp_hal_status = HAL_ERROR; + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Wait for injected group conversion to be completed. + * @param hadc: ADC handle + * @param Timeout: Timeout value in millisecond. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADCEx_InjectedPollForConversion(ADC_HandleTypeDef* hadc, uint32_t Timeout) +{ + uint32_t tickstart; + + /* Variables for polling in case of scan mode enabled and polling for each */ + /* conversion. */ + __IO uint32_t Conversion_Timeout_CPU_cycles = 0; + uint32_t Conversion_Timeout_CPU_cycles_max = 0; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Get timeout */ + tickstart = HAL_GetTick(); + + /* Polling for end of conversion: differentiation if single/sequence */ + /* conversion. */ + /* For injected group, flag JEOC is set only at the end of the sequence, */ + /* not for each conversion within the sequence. */ + /* - If single conversion for injected group (scan mode disabled or */ + /* InjectedNbrOfConversion ==1), flag jEOC is used to determine the */ + /* conversion completion. */ + /* - If sequence conversion for injected group (scan mode enabled and */ + /* InjectedNbrOfConversion >=2), flag JEOC is set only at the end of the */ + /* sequence. */ + /* To poll for each conversion, the maximum conversion time is computed */ + /* from ADC conversion time (selected sampling time + conversion time of */ + /* 12.5 ADC clock cycles) and APB2/ADC clock prescalers (depending on */ + /* settings, conversion time range can be from 28 to 32256 CPU cycles). */ + if ((hadc->Instance->JSQR & ADC_JSQR_JL) == RESET) + { + /* Wait until End of Conversion flag is raised */ + while(HAL_IS_BIT_CLR(hadc->Instance->SR, ADC_FLAG_JEOC)) + { + /* 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 */ + hadc->State = HAL_ADC_STATE_TIMEOUT; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_ERROR; + } + } + } + } + else + { + /* Poll with maximum conversion time */ + /* - Computation of CPU clock cycles corresponding to ADC clock cycles */ + /* and ADC maximum conversion cycles on all channels. */ + /* - Wait for the expected ADC clock cycles delay */ + Conversion_Timeout_CPU_cycles_max = ((SystemCoreClock + / HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_ADC)) + * ADC_CONVCYCLES_MAX_RANGE(hadc) ); + + while(Conversion_Timeout_CPU_cycles < Conversion_Timeout_CPU_cycles_max) + { + /* 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 */ + hadc->State = HAL_ADC_STATE_TIMEOUT; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_ERROR; + } + } + Conversion_Timeout_CPU_cycles ++; + } + } + + /* Clear injected group conversion flag (and regular conversion flag raised */ + /* simultaneously) */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JSTRT | ADC_FLAG_JEOC | ADC_FLAG_EOC); + + /* Update state machine on conversion status if not in error state */ + if(hadc->State != HAL_ADC_STATE_ERROR) + { + /* Update ADC state machine */ + if(hadc->State != HAL_ADC_STATE_EOC_INJ_REG) + { + + if(hadc->State == HAL_ADC_STATE_EOC_REG) + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_EOC_INJ_REG; + } + else + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_EOC_INJ; + } + } + } + + /* Return ADC state */ + return HAL_OK; +} + +/** + * @brief Enables ADC, starts conversion of injected group with interruption. + * - JEOC (end of conversion of injected group) + * Each of these interruptions has its dedicated callback function. + * @param hadc: ADC handle + * @retval HAL status. + */ +HAL_StatusTypeDef HAL_ADCEx_InjectedStart_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); + + /* Enable the ADC peripheral */ + tmp_hal_status = ADC_Enable(hadc); + + /* Start conversion if ADC is effectively enabled */ + if (tmp_hal_status != HAL_ERROR) + { + /* Check if a regular conversion is ongoing */ + if(hadc->State == HAL_ADC_STATE_BUSY_REG) + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_BUSY_INJ_REG; + } + else + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_BUSY_INJ; + } + + /* Process unlocked */ + /* Unlock before starting ADC conversions: in case of potential */ + /* interruption, to let the process to ADC IRQ Handler. */ + __HAL_UNLOCK(hadc); + + /* Set ADC error code to none */ + ADC_CLEAR_ERRORCODE(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); + + /* Start conversion of injected group if software start has been selected */ + /* and if automatic injected conversion is disabled. */ + /* If external trigger has been selected, conversion will start at next */ + /* trigger event. */ + /* If automatic injected conversion is enabled, conversion will start */ + /* after next regular group conversion. */ + if (HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO)) + { + if (ADC_IS_SOFTWARE_START_INJECTED(hadc) && + ADC_NONMULTIMODE_OR_MULTIMODEMASTER(hadc) ) + { + /* Start ADC conversion on injected group with SW start */ + SET_BIT(hadc->Instance->CR2, (ADC_CR2_JSWSTART | ADC_CR2_JEXTTRIG)); + } + else + { + /* Start ADC conversion on injected group with external trigger */ + SET_BIT(hadc->Instance->CR2, ADC_CR2_JEXTTRIG); + } + } + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hadc); + } + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @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. + * @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_BUSY_REG) && + (hadc->State != HAL_ADC_STATE_BUSY_INJ_REG) && + HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO) ) + { + /* Stop potential conversion on going, on regular and injected groups */ + /* Disable ADC peripheral */ + tmp_hal_status = ADC_ConversionStop_Disable(hadc); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status != HAL_ERROR) + { + /* Disable ADC end of conversion interrupt for injected channels */ + __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOC); + + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_READY; + } + } + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + tmp_hal_status = HAL_ERROR; + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +#if defined (STM32F101xG) || defined (STM32F103x6) || defined (STM32F103xB) || defined (STM32F105xC) || defined (STM32F107xC) || defined (STM32F103xE) || defined (STM32F103xG) +/** + * @brief Enables ADC, starts conversion of regular group and transfers result + * through DMA. + * Multimode must have been previously configured using + * HAL_ADCEx_MultiModeConfigChannel() function. + * Interruptions enabled in this function: + * - DMA transfer complete + * - DMA half transfer + * Each of these interruptions has its dedicated callback function. + * @note: On STM32F1 devices, ADC slave regular group must be configured + * with conversion trigger ADC_SOFTWARE_START. + * @note: ADC slave can be enabled preliminarily using single-mode + * HAL_ADC_Start() function. + * @param hadc: ADC handle of ADC master (handle of ADC slave must not be used) + * @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_ADCEx_MultiModeStart_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + ADC_HandleTypeDef tmphadcSlave; + + /* Check the parameters */ + assert_param(IS_ADC_MULTIMODE_MASTER_INSTANCE(hadc->Instance)); + assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); + + /* Process locked */ + __HAL_LOCK(hadc); + + /* Set a temporary handle of the ADC slave associated to the ADC master */ + ADC_MULTI_SLAVE(hadc, &tmphadcSlave); + + /* On STM32F1 devices, ADC slave regular group must be configured with */ + /* conversion trigger ADC_SOFTWARE_START. */ + /* Note: External trigger of ADC slave must be enabled, it is already done */ + /* into function "HAL_ADC_Init()". */ + if ((tmphadcSlave.Instance == NULL) || + (! ADC_IS_SOFTWARE_START_REGULAR(&tmphadcSlave)) ) + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_ERROR; + } + + /* Enable the ADC peripherals: master and slave (in case if not already */ + /* enabled previously) */ + tmp_hal_status = ADC_Enable(hadc); + if (tmp_hal_status != HAL_ERROR) + { + tmp_hal_status = ADC_Enable(&tmphadcSlave); + } + + /* Start conversion all ADCs of multimode are effectively enabled */ + if (tmp_hal_status != HAL_ERROR) + { + /* State machine update (ADC master): Check if an injected conversion is */ + /* ongoing. */ + if(hadc->State == HAL_ADC_STATE_BUSY_INJ) + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_BUSY_INJ_REG; + } + else + { + /* Change ADC state */ + hadc->State = HAL_ADC_STATE_BUSY_REG; + } + + /* Process unlocked */ + /* Unlock before starting ADC conversions: in case of potential */ + /* interruption, to let the process to ADC IRQ Handler. */ + __HAL_UNLOCK(hadc); + + /* Set ADC error code to none */ + ADC_CLEAR_ERRORCODE(hadc); + + + /* Set the DMA transfer complete callback */ + hadc->DMA_Handle->XferCpltCallback = ADC_DMAConvCplt; + + /* Set the DMA half transfer complete callback */ + hadc->DMA_Handle->XferHalfCpltCallback = ADC_DMAHalfConvCplt; + + /* Set the DMA error callback */ + hadc->DMA_Handle->XferErrorCallback = ADC_DMAError; + + + /* Manage ADC and DMA start: ADC overrun interruption, DMA start, ADC */ + /* start (in case of SW start): */ + + /* Clear regular group conversion flag and overrun flag */ + /* (To ensure of no unknown state from potential previous ADC operations) */ + __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_EOC); + + /* Enable ADC DMA mode of ADC master */ + SET_BIT(hadc->Instance->CR2, ADC_CR2_DMA); + + /* Start the DMA channel */ + HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&hadc->Instance->DR, (uint32_t)pData, Length); + + /* Start conversion of regular group if software start has been selected. */ + /* If external trigger has been selected, conversion will start at next */ + /* trigger event. */ + /* Note: Alternate trigger for single conversion could be to force an */ + /* additional set of bit ADON "hadc->Instance->CR2 |= ADC_CR2_ADON;"*/ + if (ADC_IS_SOFTWARE_START_REGULAR(hadc)) + { + /* Start ADC conversion on regular group with SW start */ + SET_BIT(hadc->Instance->CR2, (ADC_CR2_SWSTART | ADC_CR2_EXTTRIG)); + } + else + { + /* Start ADC conversion on regular group with external trigger */ + SET_BIT(hadc->Instance->CR2, ADC_CR2_EXTTRIG); + } + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hadc); + } + + /* Return function status */ + return tmp_hal_status; +} + +/** + * @brief Stop ADC conversion of regular group (and injected channels in + * case of auto_injection mode), disable ADC DMA transfer, disable + * ADC peripheral. + * @note Multimode is kept enabled after this function. To disable multimode + * (set with HAL_ADCEx_MultiModeConfigChannel(), ADC must be + * reinitialized using HAL_ADC_Init() or HAL_ADC_ReInit(). + * @note In case of DMA configured in circular mode, function + * HAL_ADC_Stop_DMA must be called after this function with handle of + * ADC slave, to properly disable the DMA channel. + * @param hadc: ADC handle of ADC master (handle of ADC slave must not be used) + * @retval None + */ +HAL_StatusTypeDef HAL_ADCEx_MultiModeStop_DMA(ADC_HandleTypeDef* hadc) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + ADC_HandleTypeDef tmphadcSlave; + + /* Check the parameters */ + assert_param(IS_ADC_MULTIMODE_MASTER_INSTANCE(hadc->Instance)); + + /* Process locked */ + __HAL_LOCK(hadc); + + + /* Stop potential conversion on going, on regular and injected groups */ + /* Disable ADC master peripheral */ + tmp_hal_status = ADC_ConversionStop_Disable(hadc); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status != HAL_ERROR) + { + /* Set a temporary handle of the ADC slave associated to the ADC master */ + ADC_MULTI_SLAVE(hadc, &tmphadcSlave); + + if (tmphadcSlave.Instance == NULL) + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_ERROR; + } + else + { + /* Disable ADC slave peripheral */ + tmp_hal_status = ADC_ConversionStop_Disable(&tmphadcSlave); + + /* Check if ADC is effectively disabled */ + if (tmp_hal_status != HAL_OK) + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + return HAL_ERROR; + } + } + + /* Disable ADC DMA mode */ + CLEAR_BIT(hadc->Instance->CR2, ADC_CR2_DMA); + + /* Reset configuration of ADC DMA continuous request for dual mode */ + CLEAR_BIT(hadc->Instance->CR1, ADC_CR1_DUALMOD); + + /* 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_ERROR) + { + /* Change ADC state (ADC master) */ + hadc->State = HAL_ADC_STATE_READY; + } + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + } + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} +#endif /* STM32F101xG || defined STM32F103x6 || defined STM32F103xB || defined STM32F105xC || defined STM32F107xC || defined STM32F103xE || defined STM32F103xG */ + +/** + * @brief Get ADC injected group conversion result. + * @param hadc: ADC handle + * @param InjectedRank: the converted 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) +{ + uint32_t tmp_jdr = 0; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + 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); + + /* Get ADC converted value */ + switch(InjectedRank) + { + case ADC_INJECTED_RANK_4: + tmp_jdr = hadc->Instance->JDR4; + break; + case ADC_INJECTED_RANK_3: + tmp_jdr = hadc->Instance->JDR3; + break; + case ADC_INJECTED_RANK_2: + tmp_jdr = hadc->Instance->JDR2; + break; + case ADC_INJECTED_RANK_1: + default: + tmp_jdr = hadc->Instance->JDR1; + break; + } + + /* Return ADC converted value */ + return tmp_jdr; +} + +#if defined (STM32F101xG) || defined (STM32F103x6) || defined (STM32F103xB) || defined (STM32F105xC) || defined (STM32F107xC) || defined (STM32F103xE) || defined (STM32F103xG) +/** + * @brief Returns the last ADC Master&Slave regular conversions results data + * in the selected multi mode. + * @param hadc: ADC handle of ADC master (handle of ADC slave must not be used) + * @retval The converted data value. + */ +uint32_t HAL_ADCEx_MultiModeGetValue(ADC_HandleTypeDef* hadc) +{ + uint32_t tmpDR = 0; + + /* Check the parameters */ + assert_param(IS_ADC_MULTIMODE_MASTER_INSTANCE(hadc->Instance)); + + /* 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. */ + + /* On STM32F1 devices, ADC1 data register DR contains ADC2 conversions */ + /* only if ADC1 DMA mode is enabled. */ + tmpDR = hadc->Instance->DR; + + if (HAL_IS_BIT_CLR(ADC1->CR2, ADC_CR2_DMA)) + { + tmpDR |= (ADC2->DR << 16); + } + + /* Return ADC converted value */ + return tmpDR; +} +#endif /* STM32F101xG || defined STM32F103x6 || defined STM32F103xB || defined STM32F105xC || defined STM32F107xC || defined STM32F103xE || defined STM32F103xG */ + +/** + * @brief Injected conversion complete callback in non blocking mode + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADCEx_InjectedConvCpltCallback(ADC_HandleTypeDef* hadc) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_ADCEx_InjectedConvCpltCallback could be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup ADCEx_Exported_Functions_Group2 Extended Peripheral Control functions + * @brief Extended Peripheral Control functions + * +@verbatim + =============================================================================== + ##### Peripheral Control functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Configure channels on injected group + (+) Configure multimode + +@endverbatim + * @{ + */ + +/** + * @brief Configures the ADC injected group and the selected channel to be + * linked to the injected group. + * @note Possibility to update parameters on the fly: + * This function initializes injected group, following calls to this + * function can be used to reconfigure some parameters of structure + * "ADC_InjectionConfTypeDef" on the fly, without reseting the ADC. + * The setting of these parameters is conditioned to ADC state: + * this function must be called when ADC is not under conversion. + * @param hadc: ADC handle + * @param sConfigInjected: Structure of ADC injected group and ADC channel for + * injected group. + * @retval None + */ +HAL_StatusTypeDef HAL_ADCEx_InjectedConfigChannel(ADC_HandleTypeDef* hadc, ADC_InjectionConfTypeDef* sConfigInjected) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + __IO uint32_t wait_loop_index = 0; + + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_CHANNEL(sConfigInjected->InjectedChannel)); + assert_param(IS_ADC_SAMPLE_TIME(sConfigInjected->InjectedSamplingTime)); + assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->AutoInjectedConv)); + assert_param(IS_ADC_EXTTRIGINJEC(sConfigInjected->ExternalTrigInjecConv)); + assert_param(IS_ADC_RANGE(sConfigInjected->InjectedOffset)); + + if(hadc->Init.ScanConvMode != ADC_SCAN_DISABLE) + { + assert_param(IS_ADC_INJECTED_RANK(sConfigInjected->InjectedRank)); + assert_param(IS_ADC_INJECTED_NB_CONV(sConfigInjected->InjectedNbrOfConversion)); + assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->InjectedDiscontinuousConvMode)); + } + + /* Process locked */ + __HAL_LOCK(hadc); + + /* Configuration of injected group sequencer: */ + /* - if scan mode is disabled, injected channels sequence length is set to */ + /* 0x00: 1 channel converted (channel on regular rank 1) */ + /* Parameter "InjectedNbrOfConversion" is discarded. */ + /* Note: Scan mode is present by hardware on this device and, if */ + /* disabled, discards automatically nb of conversions. Anyway, nb of */ + /* conversions is forced to 0x00 for alignment over all STM32 devices. */ + /* - if scan mode is enabled, injected channels sequence length is set to */ + /* parameter "InjectedNbrOfConversion". */ + if (hadc->Init.ScanConvMode == ADC_SCAN_DISABLE) + { + if (sConfigInjected->InjectedRank == ADC_INJECTED_RANK_1) + { + /* Clear the old SQx bits for all injected ranks */ + MODIFY_REG(hadc->Instance->JSQR , + ADC_JSQR_JL | + ADC_JSQR_JSQ4 | + ADC_JSQR_JSQ3 | + ADC_JSQR_JSQ2 | + ADC_JSQR_JSQ1 , + ADC_JSQR_RK_JL(sConfigInjected->InjectedChannel, + ADC_INJECTED_RANK_1, + 0x01) ); + } + /* If another injected rank than rank1 was intended to be set, and could */ + /* not due to ScanConvMode disabled, error is reported. */ + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + tmp_hal_status = HAL_ERROR; + } + } + else + { + /* Since injected channels rank conv. order depends on total number of */ + /* injected conversions, selected rank must be below or equal to total */ + /* number of injected conversions to be updated. */ + if (sConfigInjected->InjectedRank <= sConfigInjected->InjectedNbrOfConversion) + { + /* Clear the old SQx bits for the selected rank */ + /* Set the SQx bits for the selected rank */ + MODIFY_REG(hadc->Instance->JSQR , + + ADC_JSQR_JL | + ADC_JSQR_RK_JL(ADC_JSQR_JSQ1, + sConfigInjected->InjectedRank, + sConfigInjected->InjectedNbrOfConversion) , + + ADC_JSQR_JL_SHIFT(sConfigInjected->InjectedNbrOfConversion) | + ADC_JSQR_RK_JL(sConfigInjected->InjectedChannel, + sConfigInjected->InjectedRank, + sConfigInjected->InjectedNbrOfConversion) ); + } + else + { + /* Clear the old SQx bits for the selected rank */ + MODIFY_REG(hadc->Instance->JSQR , + + ADC_JSQR_JL | + ADC_JSQR_RK_JL(ADC_JSQR_JSQ1, + sConfigInjected->InjectedRank, + sConfigInjected->InjectedNbrOfConversion) , + + 0x00000000 ); + } + } + + /* Configuration of injected group */ + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated only when ADC is disabled: */ + /* - external trigger to start conversion */ + /* Parameters update not conditioned to ADC state: */ + /* - Automatic injected conversion */ + /* - Injected discontinuous mode */ + /* Note: In case of ADC already enabled, caution to not launch an unwanted */ + /* conversion while modifying register CR2 by writing 1 to bit ADON. */ + if (ADC_IS_ENABLE(hadc) == RESET) + { + MODIFY_REG(hadc->Instance->CR2 , + ADC_CR2_JEXTSEL | + ADC_CR2_ADON , + ADC_CFGR_JEXTSEL(hadc, sConfigInjected->ExternalTrigInjecConv) ); + } + + + /* Configuration of injected group */ + /* - Automatic injected conversion */ + /* - Injected discontinuous mode */ + + /* Automatic injected conversion can be enabled if injected group */ + /* external triggers are disabled. */ + if (sConfigInjected->AutoInjectedConv == ENABLE) + { + if (sConfigInjected->ExternalTrigInjecConv == ADC_INJECTED_SOFTWARE_START) + { + SET_BIT(hadc->Instance->CR1, ADC_CR1_JAUTO); + } + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + tmp_hal_status = HAL_ERROR; + } + } + + /* Injected discontinuous can be enabled only if auto-injected mode is */ + /* disabled. */ + if (sConfigInjected->InjectedDiscontinuousConvMode == ENABLE) + { + if (sConfigInjected->AutoInjectedConv == DISABLE) + { + SET_BIT(hadc->Instance->CR1, ADC_CR1_JDISCEN); + } + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + tmp_hal_status = HAL_ERROR; + } + } + + + /* InjectedChannel sampling time configuration */ + /* For channels 10 to 17 */ + if (sConfigInjected->InjectedChannel >= ADC_CHANNEL_10) + { + MODIFY_REG(hadc->Instance->SMPR1 , + ADC_SMPR1(ADC_SMPR1_SMP10, sConfigInjected->InjectedChannel) , + ADC_SMPR1(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel) ); + } + else /* For channels 0 to 9 */ + { + MODIFY_REG(hadc->Instance->SMPR2 , + ADC_SMPR2(ADC_SMPR2_SMP0, sConfigInjected->InjectedChannel) , + ADC_SMPR2(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel) ); + } + + /* If ADC1 InjectedChannel_16 or InjectedChannel_17 is selected, enable Temperature sensor */ + /* and VREFINT measurement path. */ + if ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR) || + (sConfigInjected->InjectedChannel == ADC_CHANNEL_VREFINT) ) + { + SET_BIT(hadc->Instance->CR2, ADC_CR2_TSVREFE); + } + + + /* Configure the offset: offset enable/disable, InjectedChannel, offset value */ + switch(sConfigInjected->InjectedRank) + { + case 1: + /* Set injected channel 1 offset */ + MODIFY_REG(hadc->Instance->JOFR1, + ADC_JOFR1_JOFFSET1, + sConfigInjected->InjectedOffset); + break; + case 2: + /* Set injected channel 2 offset */ + MODIFY_REG(hadc->Instance->JOFR2, + ADC_JOFR2_JOFFSET2, + sConfigInjected->InjectedOffset); + break; + case 3: + /* Set injected channel 3 offset */ + MODIFY_REG(hadc->Instance->JOFR3, + ADC_JOFR3_JOFFSET3, + sConfigInjected->InjectedOffset); + break; + case 4: + default: + MODIFY_REG(hadc->Instance->JOFR4, + ADC_JOFR4_JOFFSET4, + sConfigInjected->InjectedOffset); + break; + } + + /* If ADC1 Channel_16 or Channel_17 is selected, enable Temperature sensor */ + /* and VREFINT measurement path. */ + if ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR) || + (sConfigInjected->InjectedChannel == ADC_CHANNEL_VREFINT) ) + { + /* For STM32F1 devices with several ADC: Only ADC1 can access internal */ + /* measurement channels (VrefInt/TempSensor). If these channels are */ + /* intended to be set on other ADC instances, an error is reported. */ + if (hadc->Instance == ADC1) + { + if (READ_BIT(hadc->Instance->CR2, ADC_CR2_TSVREFE) == RESET) + { + SET_BIT(hadc->Instance->CR2, ADC_CR2_TSVREFE); + + if ((sConfigInjected->InjectedChannel == 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 / 1000000)); + while(wait_loop_index != 0) + { + wait_loop_index--; + } + } + } + } + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + tmp_hal_status = HAL_ERROR; + } + } + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} + +#if defined (STM32F101xG) || defined (STM32F103x6) || defined (STM32F103xB) || defined (STM32F105xC) || defined (STM32F107xC) || defined (STM32F103xE) || defined (STM32F103xG) +/** + * @brief Enable ADC multimode and configure multimode parameters + * @note Possibility to update parameters on the fly: + * This function initializes multimode parameters, following + * calls to this function can be used to reconfigure some parameters + * of structure "ADC_MultiModeTypeDef" on the fly, without reseting + * the ADCs (both ADCs of the common group). + * The setting of these parameters is conditioned to ADC state. + * For parameters constraints, see comments of structure + * "ADC_MultiModeTypeDef". + * @note To change back configuration from multimode to single mode, ADC must + * be reset (using function HAL_ADC_Init() ). + * @param hadc: ADC handle + * @param multimode: Structure of ADC multimode configuration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_ADCEx_MultiModeConfigChannel(ADC_HandleTypeDef* hadc, ADC_MultiModeTypeDef* multimode) +{ + HAL_StatusTypeDef tmp_hal_status = HAL_OK; + ADC_HandleTypeDef tmphadcSlave; + + /* Check the parameters */ + assert_param(IS_ADC_MULTIMODE_MASTER_INSTANCE(hadc->Instance)); + assert_param(IS_ADC_MODE(multimode->Mode)); + + /* Process locked */ + __HAL_LOCK(hadc); + + /* Set a temporary handle of the ADC slave associated to the ADC master */ + ADC_MULTI_SLAVE(hadc, &tmphadcSlave); + + /* Parameters update conditioned to ADC state: */ + /* Parameters that can be updated when ADC is disabled or enabled without */ + /* conversion on going on regular group: */ + /* - ADC master and ADC slave DMA configuration */ + /* Parameters that can be updated only when ADC is disabled: */ + /* - Multimode mode selection */ + /* To optimize code, all multimode settings can be set when both ADCs of */ + /* the common group are in state: disabled. */ + if ((ADC_IS_ENABLE(hadc) == RESET) && + (ADC_IS_ENABLE(&tmphadcSlave) == RESET) && + (IS_ADC_MULTIMODE_MASTER_INSTANCE(hadc->Instance)) ) + { + MODIFY_REG(hadc->Instance->CR1, + ADC_CR1_DUALMOD , + multimode->Mode ); + } + /* If one of the ADC sharing the same common group is enabled, no update */ + /* could be done on neither of the multimode structure parameters. */ + else + { + /* Update ADC state machine to error */ + hadc->State = HAL_ADC_STATE_ERROR; + + tmp_hal_status = HAL_ERROR; + } + + + /* Process unlocked */ + __HAL_UNLOCK(hadc); + + /* Return function status */ + return tmp_hal_status; +} +#endif /* STM32F101xG || defined STM32F103x6 || defined STM32F103xB || defined STM32F105xC || defined STM32F107xC || defined STM32F103xE || defined STM32F103xG */ +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_ADC_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |