diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_adc.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_adc.c | 1412 |
1 files changed, 0 insertions, 1412 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_adc.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_adc.c deleted file mode 100644 index 27893e26fa..0000000000 --- a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_adc.c +++ /dev/null @@ -1,1412 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_adc.c - * @author MCD Application Team - * @version V1.4.0 - * @date 14-August-2015 - * @brief This file provides firmware functions to manage the following - * functionalities of the Analog to Digital Convertor (ADC) peripheral: - * + Initialization and de-initialization functions - * + IO operation functions - * + State and errors functions - * - @verbatim - ============================================================================== - ##### ADC Peripheral features ##### - ============================================================================== - [..] - (#) 12-bit, 10-bit, 8-bit or 6-bit configurable resolution. - (#) Interrupt generation at the end of conversion, end of injected conversion, - and in case of analog watchdog or overrun events - (#) Single and continuous conversion modes. - (#) Scan mode for automatic conversion of channel 0 to channel x. - (#) Data alignment with in-built data coherency. - (#) Channel-wise programmable sampling time. - (#) External trigger option with configurable polarity for both regular and - injected conversion. - (#) Dual/Triple mode (on devices with 2 ADCs or more). - (#) Configurable DMA data storage in Dual/Triple ADC mode. - (#) Configurable delay between conversions in Dual/Triple interleaved mode. - (#) ADC conversion type (refer to the datasheets). - (#) 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: VREF(minus) = VIN = VREF(plus). - (#) DMA request generation during regular channel conversion. - - - ##### 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 CRYP 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. - - *** Configuration of ADC, groups regular/injected, 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 injected group parameters (conversion trigger, - sequencer, ..., of injected group) - and the channels for injected group parameters (channel number, - channel rank into sequencer, ..., into injected group) - using function HAL_ADCEx_InjectedConfigChannel(). - - (#) Optionally, configure the analog watchdog parameters (channels - monitored, thresholds, ...) using function HAL_ADC_AnalogWDGConfig(). - - (#) Optionally, for devices with several ADC instances: configure the - multimode parameters using function HAL_ADCEx_MultiModeConfigChannel(). - - *** Execution of ADC conversions *** - ============================================================================== - [..] - (#) ADC driver can be used among three modes: polling, interruption, - transfer by DMA. - - *** Polling mode IO operation *** - ================================= - [..] - (+) Start the ADC peripheral using HAL_ADC_Start() - (+) 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_ADC_GetValue() function. - (+) Stop the ADC peripheral using HAL_ADC_Stop() - - *** Interrupt mode IO operation *** - =================================== - [..] - (+) Start the ADC peripheral using HAL_ADC_Start_IT() - (+) Use HAL_ADC_IRQHandler() called under ADC_IRQHandler() Interrupt subroutine - (+) At ADC end of conversion HAL_ADC_ConvCpltCallback() function is executed and user can - add his own code by customization of function pointer HAL_ADC_ConvCpltCallback - (+) In case of ADC Error, HAL_ADC_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_ADC_ErrorCallback - (+) Stop the ADC peripheral using HAL_ADC_Stop_IT() - - *** DMA mode IO operation *** - ============================== - [..] - (+) Start the ADC peripheral using HAL_ADC_Start_DMA(), at this stage the user specify the length - of data to be transferred at each end of conversion - (+) At The end of data transfer by HAL_ADC_ConvCpltCallback() function is executed and user can - add his own code by customization of function pointer HAL_ADC_ConvCpltCallback - (+) In case of transfer Error, HAL_ADC_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_ADC_ErrorCallback - (+) Stop the ADC peripheral using HAL_ADC_Stop_DMA() - - *** ADC HAL driver macros list *** - ============================================= - [..] - Below the list of most used macros in ADC HAL driver. - - (+) __HAL_ADC_ENABLE : Enable the ADC peripheral - (+) __HAL_ADC_DISABLE : Disable the ADC peripheral - (+) __HAL_ADC_ENABLE_IT: Enable the ADC end of conversion interrupt - (+) __HAL_ADC_DISABLE_IT: Disable the ADC end of conversion interrupt - (+) __HAL_ADC_GET_IT_SOURCE: Check if the specified ADC interrupt source is enabled or disabled - (+) __HAL_ADC_CLEAR_FLAG: Clear the ADC's pending flags - (+) __HAL_ADC_GET_FLAG: Get the selected ADC's flag status - (+) ADC_GET_RESOLUTION: Return resolution bits in CR1 register - - [..] - (@) You can refer to the ADC HAL driver header file for more useful macros - - *** Deinitialization of ADC *** - ============================================================================== - [..] - (#) Disable the ADC interface - (++) ADC clock can be hard reset and disabled at RCC top level. - (++) Hard reset of ADC peripherals - using macro __HAL_RCC_ADC_FORCE_RESET(), __HAL_RCC_ADC_RELEASE_RESET(). - (++) ADC clock disable using the equivalent macro/functions as configuration step. - (+++) Example: - Into HAL_ADC_MspDeInit() (recommended code location) or with - other device clock parameters configuration: - (+++) HAL_RCC_GetOscConfig(&RCC_OscInitStructure); - (+++) RCC_OscInitStructure.OscillatorType = RCC_OSCILLATORTYPE_HSI; - (+++) RCC_OscInitStructure.HSIState = RCC_HSI_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) - - @endverbatim - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2015 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 "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup ADC ADC - * @brief ADC driver modules - * @{ - */ - -#ifdef HAL_ADC_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/** @addtogroup ADC_Private_Functions - * @{ - */ -/* Private function prototypes -----------------------------------------------*/ -static void ADC_Init(ADC_HandleTypeDef* hadc); -static void ADC_DMAConvCplt(DMA_HandleTypeDef *hdma); -static void ADC_DMAError(DMA_HandleTypeDef *hdma); -static void ADC_DMAHalfConvCplt(DMA_HandleTypeDef *hdma); -/** - * @} - */ -/* Exported functions --------------------------------------------------------*/ -/** @defgroup ADC_Exported_Functions ADC Exported Functions - * @{ - */ - -/** @defgroup ADC_Exported_Functions_Group1 Initialization and 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 ADCx peripheral according to the specified parameters - * in the ADC_InitStruct and initializes the ADC MSP. - * - * @note This function is used to configure the global features of the ADC ( - * ClockPrescaler, Resolution, Data Alignment and number of conversion), however, - * the rest of the configuration parameters are specific to the regular - * channels group (scan mode activation, continuous mode activation, - * External trigger source and edge, DMA continuous request after the - * last transfer and End of conversion selection). - * - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_Init(ADC_HandleTypeDef* hadc) -{ - /* 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_FUNCTIONAL_STATE(hadc->Init.ScanConvMode)); - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); - assert_param(IS_ADC_EXT_TRIG(hadc->Init.ExternalTrigConv)); - assert_param(IS_ADC_DATA_ALIGN(hadc->Init.DataAlign)); - assert_param(IS_ADC_REGULAR_LENGTH(hadc->Init.NbrOfConversion)); - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.DMAContinuousRequests)); - assert_param(IS_ADC_EOCSelection(hadc->Init.EOCSelection)); - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.DiscontinuousConvMode)); - - if(hadc->Init.ExternalTrigConv != ADC_SOFTWARE_START) - { - assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge)); - } - - if(hadc->State == HAL_ADC_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hadc->Lock = HAL_UNLOCKED; - /* Init the low level hardware */ - HAL_ADC_MspInit(hadc); - } - - /* Initialize the ADC state */ - hadc->State = HAL_ADC_STATE_BUSY; - - /* Set ADC parameters */ - ADC_Init(hadc); - - /* Set ADC error code to none */ - hadc->ErrorCode = HAL_ADC_ERROR_NONE; - - /* Initialize the ADC state */ - hadc->State = HAL_ADC_STATE_READY; - - /* Release Lock */ - __HAL_UNLOCK(hadc); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Deinitializes the ADCx peripheral registers to their default reset values. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_DeInit(ADC_HandleTypeDef* hadc) -{ - /* Check ADC handle */ - if(hadc == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); - - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_BUSY; - - /* DeInit the low level hardware */ - HAL_ADC_MspDeInit(hadc); - - /* Set ADC error code to none */ - hadc->ErrorCode = HAL_ADC_ERROR_NONE; - - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_RESET; - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Initializes the ADC MSP. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval None - */ -__weak void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_ADC_MspInit could be implemented in the user file - */ -} - -/** - * @brief DeInitializes the ADC MSP. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval None - */ -__weak void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_ADC_MspDeInit could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @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 channel. - (+) Stop conversion of regular channel. - (+) Start conversion of regular channel and enable interrupt. - (+) Stop conversion of regular channel and disable interrupt. - (+) Start conversion of regular channel and enable DMA transfer. - (+) Stop conversion of regular channel and disable DMA transfer. - (+) Handle ADC interrupt request. - -@endverbatim - * @{ - */ - -/** - * @brief Enables ADC and starts conversion of the regular channels. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef* hadc) -{ - __IO uint32_t counter = 0; - - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); - assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge)); - - /* Process locked */ - __HAL_LOCK(hadc); - - /* 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; - } - - /* 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 / 1000000)); - while(counter != 0) - { - counter--; - } - } - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - /* Check if Multimode enabled */ - if(HAL_IS_BIT_CLR(ADC->CCR, ADC_CCR_MULTI)) - { - /* 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; - } - } - else - { - /* if instance of handle correspond to ADC1 and no external trigger present enable software conversion of regular channels */ - if((hadc->Instance == ADC1) && ((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 and stop conversion of regular channels. - * - * @note Caution: This function will stop also 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_ADC_Stop(ADC_HandleTypeDef* hadc) -{ - /* Disable the Peripheral */ - __HAL_ADC_DISABLE(hadc); - - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_READY; - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Poll for regular conversion complete - * @note ADC conversion flags EOS (end of sequence) and EOC (end of - * conversion) are cleared by this function. - * @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. - * @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_ADC_PollForConversion(ADC_HandleTypeDef* hadc, uint32_t Timeout) -{ - uint32_t tickstart = 0; - - /* 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 polling for end of each conversion. */ - if (HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_EOCS) && - HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_DMA) ) - { - /* Update ADC state machine to error */ - hadc->State = HAL_ADC_STATE_ERROR; - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - return HAL_ERROR; - } - - /* Get tick */ - tickstart = HAL_GetTick(); - - /* Check End of conversion flag */ - while(!(__HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOC))) - { - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hadc->State= HAL_ADC_STATE_TIMEOUT; - /* Process unlocked */ - __HAL_UNLOCK(hadc); - return HAL_TIMEOUT; - } - } - } - - /* Check if an injected conversion is ready */ - if(hadc->State == HAL_ADC_STATE_EOC_INJ) - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_EOC_INJ_REG; - } - else - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_EOC_REG; - } - - /* Return ADC state */ - return HAL_OK; -} - -/** - * @brief Poll for conversion event - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @param EventType: the ADC event type. - * This parameter can be one of the following values: - * @arg ADC_AWD_EVENT: ADC Analog watch Dog 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_EVENT_TYPE(EventType)); - - /* Get tick */ - tickstart = HAL_GetTick(); - - /* Check selected event flag */ - while(!(__HAL_ADC_GET_FLAG(hadc,EventType))) - { - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hadc->State= HAL_ADC_STATE_TIMEOUT; - /* Process unlocked */ - __HAL_UNLOCK(hadc); - return HAL_TIMEOUT; - } - } - } - - /* Check analog watchdog flag */ - if(EventType == ADC_AWD_EVENT) - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_AWD; - - /* Clear the ADCx's analog watchdog flag */ - __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_AWD); - } - else - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_ERROR; - - /* Clear the ADCx's Overrun flag */ - __HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_OVR); - } - - /* Return ADC state */ - return HAL_OK; -} - - -/** - * @brief Enables the interrupt and starts ADC conversion of regular channels. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval HAL status. - */ -HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef* hadc) -{ - __IO uint32_t counter = 0; - - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); - assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge)); - - /* Process locked */ - __HAL_LOCK(hadc); - - /* 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; - } - - /* Set ADC error code to none */ - hadc->ErrorCode = HAL_ADC_ERROR_NONE; - - /* 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 / 1000000)); - while(counter != 0) - { - counter--; - } - } - - /* Enable the ADC overrun interrupt */ - __HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR); - - /* Enable the ADC end of conversion interrupt for regular group */ - __HAL_ADC_ENABLE_IT(hadc, ADC_IT_EOC); - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - /* Check if Multimode enabled */ - if(HAL_IS_BIT_CLR(ADC->CCR, ADC_CCR_MULTI)) - { - /* 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; - } - } - else - { - /* if instance of handle correspond to ADC1 and no external trigger present enable software conversion of regular channels */ - if((hadc->Instance == (ADC_TypeDef*)0x40012000) && ((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 the interrupt and stop ADC conversion of regular channels. - * - * @note Caution: This function will stop also 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_ADC_Stop_IT(ADC_HandleTypeDef* hadc) -{ - /* Disable the ADC end of conversion interrupt for regular group */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_EOC); - - /* Disable the ADC end of conversion interrupt for injected group */ - __HAL_ADC_DISABLE_IT(hadc, ADC_CR1_JEOCIE); - - /* Enable the Peripheral */ - __HAL_ADC_DISABLE(hadc); - - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_READY; - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Handles ADC interrupt request - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval None - */ -void HAL_ADC_IRQHandler(ADC_HandleTypeDef* hadc) -{ - uint32_t tmp1 = 0, tmp2 = 0; - - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); - assert_param(IS_ADC_REGULAR_LENGTH(hadc->Init.NbrOfConversion)); - assert_param(IS_ADC_EOCSelection(hadc->Init.EOCSelection)); - - tmp1 = __HAL_ADC_GET_FLAG(hadc, ADC_FLAG_EOC); - tmp2 = __HAL_ADC_GET_IT_SOURCE(hadc, ADC_IT_EOC); - /* Check End of conversion flag for regular channels */ - if(tmp1 && tmp2) - { - /* Check if an injected conversion is ready */ - if(hadc->State == HAL_ADC_STATE_EOC_INJ) - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_EOC_INJ_REG; - } - else - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_EOC_REG; - } - - if((hadc->Init.ContinuousConvMode == DISABLE) && ((hadc->Instance->CR2 & ADC_CR2_EXTEN) == RESET)) - { - if(hadc->Init.EOCSelection == ADC_EOC_SEQ_CONV) - { - /* DISABLE the ADC end of conversion interrupt for regular group */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_EOC); - - /* DISABLE the ADC overrun interrupt */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_OVR); - } - else - { - if (hadc->NbrOfCurrentConversionRank == 0) - { - hadc->NbrOfCurrentConversionRank = hadc->Init.NbrOfConversion; - } - - /* Decrement the number of conversion when an interrupt occurs */ - hadc->NbrOfCurrentConversionRank--; - - /* Check if all conversions are finished */ - if(hadc->NbrOfCurrentConversionRank == 0) - { - /* DISABLE the ADC end of conversion interrupt for regular group */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_EOC); - - /* DISABLE the ADC overrun interrupt */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_OVR); - } - } - } - - /* Conversion complete callback */ - HAL_ADC_ConvCpltCallback(hadc); - - /* Clear the ADCx flag for regular end of conversion */ - __HAL_ADC_CLEAR_FLAG(hadc,ADC_FLAG_EOC); - } - - tmp1 = __HAL_ADC_GET_FLAG(hadc, ADC_FLAG_JEOC); - tmp2 = __HAL_ADC_GET_IT_SOURCE(hadc, ADC_IT_JEOC); - /* Check End of conversion flag for injected channels */ - if(tmp1 && tmp2) - { - /* Check if a regular conversion is ready */ - 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; - } - - tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO); - tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN); - if(((hadc->Init.ContinuousConvMode == DISABLE) || tmp1) && tmp2) - { - /* DISABLE the ADC end of conversion interrupt for injected group */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_JEOC); - } - - /* Conversion complete callback */ - HAL_ADCEx_InjectedConvCpltCallback(hadc); - - /* Clear the ADCx flag for injected end of conversion */ - __HAL_ADC_CLEAR_FLAG(hadc,ADC_FLAG_JEOC); - } - - tmp1 = __HAL_ADC_GET_FLAG(hadc, ADC_FLAG_AWD); - tmp2 = __HAL_ADC_GET_IT_SOURCE(hadc, ADC_IT_AWD); - /* Check Analog watchdog flag */ - if(tmp1 && tmp2) - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_AWD; - - /* Clear the ADCx's Analog watchdog flag */ - __HAL_ADC_CLEAR_FLAG(hadc,ADC_FLAG_AWD); - - /* Level out of window callback */ - HAL_ADC_LevelOutOfWindowCallback(hadc); - } - - tmp1 = __HAL_ADC_GET_FLAG(hadc, ADC_FLAG_OVR); - tmp2 = __HAL_ADC_GET_IT_SOURCE(hadc, ADC_IT_OVR); - /* Check Overrun flag */ - if(tmp1 && tmp2) - { - /* Change ADC state to overrun state */ - hadc->State = HAL_ADC_STATE_ERROR; - - /* Set ADC error code to overrun */ - hadc->ErrorCode |= HAL_ADC_ERROR_OVR; - - /* Clear the Overrun flag */ - __HAL_ADC_CLEAR_FLAG(hadc,ADC_FLAG_OVR); - - /* Error callback */ - HAL_ADC_ErrorCallback(hadc); - } -} - -/** - * @brief Enables ADC DMA request after last transfer (Single-ADC mode) and enables ADC peripheral - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @param pData: The destination Buffer address. - * @param Length: The length of data to be transferred from ADC peripheral to memory. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length) -{ - __IO uint32_t counter = 0; - - /* Check the parameters */ - assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode)); - assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge)); - - /* Process locked */ - __HAL_LOCK(hadc); - - /* Enable ADC overrun interrupt */ - __HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR); - - /* Enable ADC DMA mode */ - hadc->Instance->CR2 |= ADC_CR2_DMA; - - /* 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 ; - - /* Enable the DMA Stream */ - HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&hadc->Instance->DR, (uint32_t)pData, Length); - - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_BUSY_REG; - - /* Process unlocked */ - __HAL_UNLOCK(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 ADC stabilization time */ - /* Compute number of CPU cycles to wait for */ - counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000)); - while(counter != 0) - { - counter--; - } - } - - /* 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 |= ADC_CR2_SWSTART; - } - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Disables ADC DMA (Single-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_ADC_Stop_DMA(ADC_HandleTypeDef* hadc) -{ - /* Disable the Peripheral */ - __HAL_ADC_DISABLE(hadc); - - /* Disable ADC overrun interrupt */ - __HAL_ADC_DISABLE_IT(hadc, ADC_IT_OVR); - - /* Disable the selected ADC DMA mode */ - hadc->Instance->CR2 &= ~ADC_CR2_DMA; - - /* Disable the ADC DMA Stream */ - HAL_DMA_Abort(hadc->DMA_Handle); - - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_READY; - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Gets the converted value from data register of regular channel. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval Converted value - */ -uint32_t HAL_ADC_GetValue(ADC_HandleTypeDef* hadc) -{ - /* Return the selected ADC converted value */ - return hadc->Instance->DR; -} - -/** - * @brief Regular 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_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_ADC_ConvCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Regular conversion half DMA transfer 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_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef* hadc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_ADC_ConvHalfCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Analog watchdog 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_ADC_LevelOutOfWindowCallback(ADC_HandleTypeDef* hadc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_ADC_LevelOoutOfWindowCallback could be implemented in the user file - */ -} - -/** - * @brief Error ADC callback. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval None - */ -__weak void HAL_ADC_ErrorCallback(ADC_HandleTypeDef *hadc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_ADC_ErrorCallback could 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 regular channels. - (+) Configure injected channels. - (+) Configure multimode. - (+) Configure the analog watch dog. - -@endverbatim - * @{ - */ - - /** - * @brief Configures for the selected ADC regular 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 sConfig: ADC configuration structure. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_ConfigChannel(ADC_HandleTypeDef* hadc, ADC_ChannelConfTypeDef* sConfig) -{ - __IO uint32_t counter = 0; - - /* Check the parameters */ - assert_param(IS_ADC_CHANNEL(sConfig->Channel)); - assert_param(IS_ADC_REGULAR_RANK(sConfig->Rank)); - assert_param(IS_ADC_SAMPLE_TIME(sConfig->SamplingTime)); - - /* Process locked */ - __HAL_LOCK(hadc); - - /* if ADC_Channel_10 ... ADC_Channel_18 is selected */ - if (sConfig->Channel > ADC_CHANNEL_9) - { - /* Clear the old sample time */ - hadc->Instance->SMPR1 &= ~ADC_SMPR1(ADC_SMPR1_SMP10, sConfig->Channel); - - /* Set the new sample time */ - hadc->Instance->SMPR1 |= ADC_SMPR1(sConfig->SamplingTime, sConfig->Channel); - } - else /* ADC_Channel include in ADC_Channel_[0..9] */ - { - /* Clear the old sample time */ - hadc->Instance->SMPR2 &= ~ADC_SMPR2(ADC_SMPR2_SMP0, sConfig->Channel); - - /* Set the new sample time */ - hadc->Instance->SMPR2 |= ADC_SMPR2(sConfig->SamplingTime, sConfig->Channel); - } - - /* For Rank 1 to 6 */ - if (sConfig->Rank < 7) - { - /* Clear the old SQx bits for the selected rank */ - hadc->Instance->SQR3 &= ~ADC_SQR3_RK(ADC_SQR3_SQ1, sConfig->Rank); - - /* Set the SQx bits for the selected rank */ - hadc->Instance->SQR3 |= ADC_SQR3_RK(sConfig->Channel, sConfig->Rank); - } - /* For Rank 7 to 12 */ - else if (sConfig->Rank < 13) - { - /* Clear the old SQx bits for the selected rank */ - hadc->Instance->SQR2 &= ~ADC_SQR2_RK(ADC_SQR2_SQ7, sConfig->Rank); - - /* Set the SQx bits for the selected rank */ - hadc->Instance->SQR2 |= ADC_SQR2_RK(sConfig->Channel, sConfig->Rank); - } - /* For Rank 13 to 16 */ - else - { - /* Clear the old SQx bits for the selected rank */ - hadc->Instance->SQR1 &= ~ADC_SQR1_RK(ADC_SQR1_SQ13, sConfig->Rank); - - /* Set the SQx bits for the selected rank */ - hadc->Instance->SQR1 |= ADC_SQR1_RK(sConfig->Channel, sConfig->Rank); - } - - /* if ADC1 Channel_18 is selected enable VBAT Channel */ - if ((hadc->Instance == ADC1) && (sConfig->Channel == ADC_CHANNEL_VBAT)) - { - /* Enable the VBAT channel*/ - ADC->CCR |= ADC_CCR_VBATE; - } - - /* if ADC1 Channel_16 or Channel_17 is selected enable TSVREFE Channel(Temperature sensor and VREFINT) */ - if ((hadc->Instance == ADC1) && ((sConfig->Channel == ADC_CHANNEL_TEMPSENSOR) || (sConfig->Channel == ADC_CHANNEL_VREFINT))) - { - /* Enable the TSVREFE channel*/ - ADC->CCR |= ADC_CCR_TSVREFE; - - if((sConfig->Channel == ADC_CHANNEL_TEMPSENSOR)) - { - /* Delay for temperature sensor stabilization time */ - /* Compute number of CPU cycles to wait for */ - counter = (ADC_TEMPSENSOR_DELAY_US * (SystemCoreClock / 1000000)); - while(counter != 0) - { - counter--; - } - } - } - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Configures the analog watchdog. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @param AnalogWDGConfig : pointer to an ADC_AnalogWDGConfTypeDef structure - * that contains the configuration information of ADC analog watchdog. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_ADC_AnalogWDGConfig(ADC_HandleTypeDef* hadc, ADC_AnalogWDGConfTypeDef* AnalogWDGConfig) -{ -#ifdef USE_FULL_ASSERT - uint32_t tmp = 0; -#endif /* USE_FULL_ASSERT */ - - /* Check the parameters */ - assert_param(IS_ADC_ANALOG_WATCHDOG(AnalogWDGConfig->WatchdogMode)); - assert_param(IS_ADC_CHANNEL(AnalogWDGConfig->Channel)); - assert_param(IS_FUNCTIONAL_STATE(AnalogWDGConfig->ITMode)); - -#ifdef USE_FULL_ASSERT - tmp = ADC_GET_RESOLUTION(hadc); - assert_param(IS_ADC_RANGE(tmp, AnalogWDGConfig->HighThreshold)); - assert_param(IS_ADC_RANGE(tmp, AnalogWDGConfig->LowThreshold)); -#endif /* USE_FULL_ASSERT */ - - /* Process locked */ - __HAL_LOCK(hadc); - - 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); - } - - /* Clear AWDEN, JAWDEN and AWDSGL bits */ - hadc->Instance->CR1 &= ~(ADC_CR1_AWDSGL | ADC_CR1_JAWDEN | ADC_CR1_AWDEN); - - /* Set the analog watchdog enable mode */ - hadc->Instance->CR1 |= AnalogWDGConfig->WatchdogMode; - - /* Set the high threshold */ - hadc->Instance->HTR = AnalogWDGConfig->HighThreshold; - - /* Set the low threshold */ - hadc->Instance->LTR = AnalogWDGConfig->LowThreshold; - - /* Clear the Analog watchdog channel select bits */ - hadc->Instance->CR1 &= ~ADC_CR1_AWDCH; - - /* Set the Analog watchdog channel */ - hadc->Instance->CR1 |= (uint32_t)((uint16_t)(AnalogWDGConfig->Channel)); - - /* Process unlocked */ - __HAL_UNLOCK(hadc); - - /* Return function status */ - return HAL_OK; -} - -/** - * @} - */ - -/** @defgroup ADC_Exported_Functions_Group4 ADC Peripheral State functions - * @brief ADC Peripheral State functions - * -@verbatim - =============================================================================== - ##### Peripheral State and errors functions ##### - =============================================================================== - [..] - This subsection provides functions allowing to - (+) Check the ADC state - (+) Check the ADC Error - -@endverbatim - * @{ - */ - -/** - * @brief return the ADC state - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval HAL state - */ -HAL_ADC_StateTypeDef HAL_ADC_GetState(ADC_HandleTypeDef* hadc) -{ - /* Return ADC state */ - return hadc->State; -} - -/** - * @brief Return the ADC error code - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval ADC Error Code - */ -uint32_t HAL_ADC_GetError(ADC_HandleTypeDef *hadc) -{ - return hadc->ErrorCode; -} - -/** - * @} - */ - -/** @addtogroup ADC_Private_Functions - * @{ - */ - -/** - * @brief Initializes the ADCx peripheral according to the specified parameters - * in the ADC_InitStruct without initializing the ADC MSP. - * @param hadc: pointer to a ADC_HandleTypeDef structure that contains - * the configuration information for the specified ADC. - * @retval None - */ -static void ADC_Init(ADC_HandleTypeDef* hadc) -{ - /* Set ADC parameters */ - /* Set the ADC clock prescaler */ - ADC->CCR &= ~(ADC_CCR_ADCPRE); - ADC->CCR |= hadc->Init.ClockPrescaler; - - /* Set ADC scan mode */ - hadc->Instance->CR1 &= ~(ADC_CR1_SCAN); - hadc->Instance->CR1 |= ADC_CR1_SCANCONV(hadc->Init.ScanConvMode); - - /* Set ADC resolution */ - hadc->Instance->CR1 &= ~(ADC_CR1_RES); - hadc->Instance->CR1 |= hadc->Init.Resolution; - - /* Set ADC data alignment */ - hadc->Instance->CR2 &= ~(ADC_CR2_ALIGN); - hadc->Instance->CR2 |= hadc->Init.DataAlign; - - /* 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) - { - /* Select external trigger to start conversion */ - hadc->Instance->CR2 &= ~(ADC_CR2_EXTSEL); - hadc->Instance->CR2 |= hadc->Init.ExternalTrigConv; - - /* Select external trigger polarity */ - hadc->Instance->CR2 &= ~(ADC_CR2_EXTEN); - hadc->Instance->CR2 |= hadc->Init.ExternalTrigConvEdge; - } - else - { - /* Reset the external trigger */ - hadc->Instance->CR2 &= ~(ADC_CR2_EXTSEL); - hadc->Instance->CR2 &= ~(ADC_CR2_EXTEN); - } - - /* Enable or disable ADC continuous conversion mode */ - hadc->Instance->CR2 &= ~(ADC_CR2_CONT); - hadc->Instance->CR2 |= ADC_CR2_CONTINUOUS(hadc->Init.ContinuousConvMode); - - if(hadc->Init.DiscontinuousConvMode != DISABLE) - { - assert_param(IS_ADC_REGULAR_DISC_NUMBER(hadc->Init.NbrOfDiscConversion)); - - /* Enable the selected ADC regular discontinuous mode */ - hadc->Instance->CR1 |= (uint32_t)ADC_CR1_DISCEN; - - /* Set the number of channels to be converted in discontinuous mode */ - hadc->Instance->CR1 &= ~(ADC_CR1_DISCNUM); - hadc->Instance->CR1 |= ADC_CR1_DISCONTINUOUS(hadc->Init.NbrOfDiscConversion); - } - else - { - /* Disable the selected ADC regular discontinuous mode */ - hadc->Instance->CR1 &= ~(ADC_CR1_DISCEN); - } - - /* Set ADC number of conversion */ - hadc->Instance->SQR1 &= ~(ADC_SQR1_L); - hadc->Instance->SQR1 |= ADC_SQR1(hadc->Init.NbrOfConversion); - - /* Enable or disable ADC DMA continuous request */ - hadc->Instance->CR2 &= ~(ADC_CR2_DDS); - hadc->Instance->CR2 |= ADC_CR2_DMAContReq(hadc->Init.DMAContinuousRequests); - - /* Enable or disable ADC end of conversion selection */ - hadc->Instance->CR2 &= ~(ADC_CR2_EOCS); - hadc->Instance->CR2 |= ADC_CR2_EOCSelection(hadc->Init.EOCSelection); -} - -/** - * @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_DMAConvCplt(DMA_HandleTypeDef *hdma) -{ - ADC_HandleTypeDef* hadc = ( ADC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - - /* Check if an injected conversion is ready */ - if(hadc->State == HAL_ADC_STATE_EOC_INJ) - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_EOC_INJ_REG; - } - else - { - /* Change ADC state */ - hadc->State = HAL_ADC_STATE_EOC_REG; - } - - HAL_ADC_ConvCpltCallback(hadc); -} - -/** - * @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_DMAHalfConvCplt(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_DMAError(DMA_HandleTypeDef *hdma) -{ - ADC_HandleTypeDef* hadc = ( ADC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - hadc->State= HAL_ADC_STATE_ERROR; - /* 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****/ |