mbed library sources modified for open wear
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Diff: targets/cmsis/TARGET_STM/TARGET_NUCLEO_F334R8/stm32f3xx_hal_adc.c
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- 237:f3da66175598
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_NUCLEO_F334R8/stm32f3xx_hal_adc.c Tue Jun 24 14:45:08 2014 +0100 @@ -0,0 +1,725 @@ +/** + ****************************************************************************** + * @file stm32f3xx_hal_adc.c + * @author MCD Application conversion + * @version V1.0.1 + * @date 18-June-2014 + * @brief This file provides firmware functions to manage the following + * functionalities of the Analog to Digital Convertor (ADC) + * peripheral: + * + Initialization and de-initialization functions + * ++ Initialization and Configuration of ADC + * + Operation functions + * ++ Start, stop, get result of conversions of regular and injected + * groups, using 3 possible modes: polling, interruption or DMA. + * + Control functions + * ++ Analog Watchdog configuration + * ++ Channels configuration on regular group + * + State functions + * ++ ADC state machine management + * ++ Interrupts and flags management + * + @verbatim + ============================================================================== + ##### ADC specific features ##### + ============================================================================== + [..] + (#) 12-bit, 10-bit, 8-bit or 6-bit configurable resolution (available only on + STM32F30xxC devices). + + (#) Interrupt generation at the end of regular 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 'n'. + + (#) Data alignment with in-built data coherency. + + (#) Channel-wise programmable sampling time. + + (#) ADC conversion Regular or Injected groups. + + (#) External trigger (timer or EXTI) with configurable polarity for both + regular and injected groups. + + (#) DMA request generation for transfer of conversions data of regular group. + + (#) Multimode Dual mode (available on devices with 2 ADCs or more). + + (#) Configurable DMA data storage in Multimode Dual mode (available on devices + with 2 DCs or more). + + (#) Configurable delay between conversions in Dual interleaved mode (available + on devices with 2 DCs or more). + + (#) ADC calibration + + (#) ADC channels selectable single/differential input (available only on + STM32F30xxC devices) + + (#) ADC Injected sequencer&channels configuration context queue (available + only on STM32F30xxC devices) + + (#) ADC offset on injected and regular groups (offset on regular group + available only on STM32F30xxC devices) + + (#) ADC supply requirements: 2.4 V to 3.6 V at full speed and down to 1.8 V at + slower speed. + + (#) ADC input range: from Vref (connected to Vssa) to Vref+ (connected to + Vdda or to an external voltage reference). + + + ##### How to use this driver ##### + ============================================================================== + [..] + + (#) Enable the ADC interface + As prerequisite, into HAL_ADC_MspInit(), ADC clock must be configured + at RCC top level: clock source and clock prescaler. + + For STM32F30x/STM32F33x devices: + Two possible clock sources: synchronous clock derived from AHB clock + or asynchronous clock derived from ADC dedicated PLL 72MHz. + + For example, in case of device with a single ADC: + __ADC1_CLK_ENABLE() (mandatory) + __HAL_RCC_ADC1_CONFIG(RCC_ADC1PLLCLK_DIV1); (optional) + + For example, in case of device with several ADCs: + if((hadc->Instance == ADC1) || (hadc->Instance == ADC2)) + { + __ADC12_CLK_ENABLE() (mandatory) + __HAL_RCC_ADC12_CONFIG(RCC_ADC12PLLCLK_DIV1); (optional) + } + else + { + __ADC34_CLK_ENABLE() (mandatory) + __HAL_RCC_ADC34_CONFIG(RCC_ADC34PLLCLK_DIV1); (optional) + } + + For STM32F37x devices: + Only one clock source: APB2 clock. + Example: + __HAL_RCC_ADC1_CONFIG(RCC_ADC1PCLK2_DIV2); + + (#) ADC pins configuration + (++) Enable the clock for the ADC GPIOs using the following function: + __GPIOx_CLK_ENABLE(); + (++) Configure these ADC pins in analog mode using HAL_GPIO_Init(); + + (#) Configure the ADC parameters (conversion resolution, data alignment, + continuous mode, ...) using the HAL_ADC_Init() function. + + (#) Activate the ADC peripheral using one of the start functions: + HAL_ADC_Start(), HAL_ADC_Start_IT(), HAL_ADC_Start_DMA() + HAL_ADCEx_InjectedStart(), HAL_ADCEx_InjectedStart_IT() or + HAL_ADC_MultiModeStart_DMA(). + + *** Channels to regular group configuration *** + ============================================ + [..] + (+) To configure the ADC regular group features, use + HAL_ADC_Init() and HAL_ADC_ConfigChannel() functions. + (+) To activate the continuous mode, use the HAL_ADC_Init() function. + (+) To read the ADC converted values, use the HAL_ADC_GetValue() function. + + *** Multimode ADCs configuration *** + ====================================================== + [..] + (+) Multimode feature is available on devices with 2 ADCs or more. + (+) Refer to "Channels to regular group" description to + configure the ADC1 and ADC2 regular groups. + (+) Select the Multi mode ADC features (dual mode + simultaneous, interleaved, ...) and configure the DMA mode using + HAL_ADCEx_MultiModeConfigChannel() functions. + (+) Read the ADCs converted values using the HAL_ADCEx_MultiModeGetValue() + function. + + *** DMA for regular configuration *** + ============================================================= + [..] + (+) To enable the DMA mode for regular group, use the + HAL_ADC_Start_DMA() function. + (+) To enable the generation of DMA requests continuously at the end of + the last DMA transfer, use the HAL_ADC_Init() function. + + *** Channels to injected group configuration *** + ============================================= + [..] + (+) To configure the ADC Injected channels group features, use + HAL_ADCEx_InjectedConfigChannel() functions. + (+) To activate the continuous mode, use the HAL_ADC_Init() function. + (+) To read the ADC converted values, use the HAL_ADCEx_InjectedGetValue() + function. + + @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 "stm32f3xx_hal.h" + +/** @addtogroup STM32F3xx_HAL_Driver + * @{ + */ + +/** @defgroup ADC + * @brief ADC driver modules + * @{ + */ + +#ifdef HAL_ADC_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup ADC_Private_Functions + * @{ + */ + +/** @defgroup ADC_Group1 Initialization/de-initialization functions + * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization and de-initialization functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Initialize and configure the ADC. + (+) De-initialize the ADC. + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the ADC peripheral and regular group according to + * parameters specified in structure "ADC_InitTypeDef". + * @note As prerequisite, ADC clock must be configured at RCC top level + * depending on both possible clock sources: PLL clock or AHB clock. + * See commented example code below that can be copied and uncommented + * into HAL_ADC_MspInit(). + * @note Possibility to update parameters on the fly: + * This function initializes the ADC MSP (HAL_ADC_MspInit()) only when + * coming from ADC state reset. Following calls to this function can + * be used to reconfigure some parameters of ADC_InitTypeDef + * structure on the fly, without modifying MSP configuration. If ADC + * MSP has to be modified again, HAL_ADC_DeInit() must be called + * before HAL_ADC_Init(). + * The setting of these parameters is conditioned to ADC state. + * For parameters constraints, see comments of structure + * "ADC_InitTypeDef". + * @note This function configures the ADC within 2 scopes: scope of entire + * ADC and scope of regular group. For parameters details, see comments + * of structure "ADC_InitTypeDef". + * @note For devices with several ADCs: parameters related to common ADC + * registers (ADC clock mode) are set only if all ADCs sharing the + * same common group are disabled. + * If this is not the case, these common parameters setting are + * bypassed without error reporting: it can be the intended behaviour in + * case of update of a parameter of ADC_InitTypeDef on the fly, + * without disabling the other ADCs sharing the same common group. + * @param hadc: ADC handle + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_Init(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Deinitialize the ADC peripheral registers to their default reset + * values, with deinitialization of the ADC MSP. + * @note For devices with several ADCs: reset of ADC common registers is done + * only if all ADCs sharing the same common group are disabled. + * If this is not the case, reset of these common parameters reset is + * bypassed without error reporting: it can be the intended behaviour in + * case of reset of a single ADC while the other ADCs sharing the same + * common group is still running. + * @note For devices with several ADCs: Global reset of all ADCs sharing a + * common group is possible. + * As this function is intended to reset a single ADC, to not impact + * other ADCs, instructions for global reset of multiple ADCs have been + * let commented below. + * If needed, the example code can be copied and uncommented into + * function HAL_ADC_MspDeInit(). + * @param hadc: ADC handle + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_DeInit(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the ADC MSP. + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc) +{ + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_MspInit must be implemented in the user file. + */ +} + +/** + * @brief DeInitializes the ADC MSP. + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc) +{ + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_MspDeInit must be implemented in the user file. + */ +} + +/** + * @} + */ + +/** @defgroup ADC_Group2 IO operation functions + * @brief IO operation functions + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Start conversion of regular group. + (+) Stop conversion of regular group. + (+) Poll for conversion complete on regular group. + (+) Poll for conversion event. + (+) Get result of regular channel conversion. + (+) Start conversion of regular group and enable interruptions. + (+) Stop conversion of regular group and disable interruptions. + (+) Handle ADC interrupt request + (+) Start conversion of regular group and enable DMA transfer. + (+) Stop conversion of regular group and disable ADC DMA transfer. + +@endverbatim + * @{ + */ +/** + * @brief Enables ADC, starts conversion of regular group. + * Interruptions enabled in this function: None. + * @note: Case of multimode enabled (for devices with several ADCs): This + * function must be called for ADC slave first, then ADC master. + * For ADC slave, ADC is enabled only (conversion is not started). + * For ADC master, ADC is enabled and multimode conversion is started. + * @param hadc: ADC handle + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef* hadc) +{ + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Stop ADC conversion of regular group (and injected group in + * case of auto_injection mode), disable ADC peripheral. + * @note: ADC peripheral disable is forcing interruption of potential + * conversion on injected group. If injected group is under use, it + * should be preliminarily stopped using HAL_ADCEx_InjectedStop function. + * @note: Case of multimode enabled (for devices with several ADCs): This + * function must be called for ADC master first, then ADC slave. + * For ADC master, converson is stopped and ADC is disabled. + * For ADC slave, ADC is disabled only (conversion stop of ADC master + * has already stopped conversion of ADC slave). + * @param hadc: ADC handle + * @retval HAL status. + */ +__weak HAL_StatusTypeDef HAL_ADC_Stop(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Wait for regular group conversion to be completed. + * @param hadc: ADC handle + * @param Timeout: Timeout value in millisecond. + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_PollForConversion(ADC_HandleTypeDef* hadc, uint32_t Timeout) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Poll for conversion event. + * @param hadc: ADC handle + * @param EventType: the ADC event type. + * This parameter can be one of the following values: + * @arg AWD_EVENT: ADC Analog watchdog 1 event (main analog watchdog, present on all STM32 devices) + * @arg AWD2_EVENT: ADC Analog watchdog 2 event (additional analog watchdog, present only on STM32F3 devices) + * @arg AWD3_EVENT: ADC Analog watchdog 3 event (additional analog watchdog, present only on STM32F3 devices) + * @arg OVR_EVENT: ADC Overrun event + * @arg JQOVF_EVENT: ADC Injected context queue overflow event + * @param Timeout: Timeout value in millisecond. + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_PollForEvent(ADC_HandleTypeDef* hadc, uint32_t EventType, uint32_t Timeout) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Enables ADC, starts conversion of regular group with interruption. + * Interruptions enabled in this function: EOC (end of conversion), + * overrun (if available). + * Each of these interruptions has its dedicated callback function. + * @note: Case of multimode enabled (for devices with several ADCs): This + * function must be called for ADC slave first, then ADC master. + * For ADC slave, ADC is enabled only (conversion is not started). + * For ADC master, ADC is enabled and multimode conversion is started. + * @param hadc: ADC handle + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Stop ADC conversion of regular group (and injected group in + * case of auto_injection mode), disable interruption of + * end-of-conversion, disable ADC peripheral. + * @note: ADC peripheral disable is forcing interruption of potential + * conversion on injected group. If injected group is under use, it + * should be preliminarily stopped using HAL_ADCEx_InjectedStop function. + * @note: Case of multimode enabled (for devices with several ADCs): This + * function must be called for ADC master first, then ADC slave. + * For ADC master, conversion is stopped and ADC is disabled. + * For ADC slave, ADC is disabled only (conversion stop of ADC master + * has already stopped conversion of ADC slave). + * @param hadc: ADC handle + * @retval HAL status. + */ +__weak HAL_StatusTypeDef HAL_ADC_Stop_IT(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Enables ADC, starts conversion of regular group and transfers result + * through DMA. + * Interruptions enabled in this function: + * overrun (if available), DMA half transfer, DMA transfer complete. + * Each of these interruptions has its dedicated callback function. + * @note: Case of multimode enabled (for devices with several ADCs): This + * function is for single-ADC mode only. For multimode, use the + * dedicated MultimodeStart function. + * @param hadc: ADC handle + * @param pData: The destination Buffer address. + * @param Length: The length of data to be transferred from ADC peripheral to memory. + * @retval None + */ +__weak HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Stop ADC conversion of regular group (and injected group in + * case of auto_injection mode), disable ADC DMA transfer, disable + * ADC peripheral. + * @note: ADC peripheral disable is forcing interruption of potential + * conversion on injected group. If injected group is under use, it + * should be preliminarily stopped using HAL_ADCEx_InjectedStop function. + * @note: Case of multimode enabled (for devices with several ADCs): This + * function is for single-ADC mode only. For multimode, use the + * dedicated MultimodeStop function. + * @param hadc: ADC handle + * @retval HAL status. + */ +__weak HAL_StatusTypeDef HAL_ADC_Stop_DMA(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Get ADC regular group conversion result. + * @param hadc: ADC handle + * @retval Converted value + */ +__weak uint32_t HAL_ADC_GetValue(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return ADC converted value */ + return hadc->Instance->DR; +} + +/** + * @brief Handles ADC interrupt request. + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADC_IRQHandler(ADC_HandleTypeDef* hadc) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ +} + +/** + * @brief Conversion complete callback in non blocking mode + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) +{ + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_ConvCpltCallback must be implemented in the user file. + */ +} + +/** + * @brief Conversion DMA half-transfer callback in non blocking mode + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef* hadc) +{ + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_ConvHalfCpltCallback must be implemented in the user file. + */ +} + +/** + * @brief Analog watchdog callback in non blocking mode. + * @note: In case of several analog watchdog enabled, if needed to know + which one triggered and on which ADCx, check Analog Watchdog flag + ADC_FLAG_AWD1/2/3 into HAL_ADC_LevelOutOfWindowCallback() function. + For example:"if (__HAL_ADC_GET_FLAG(hadc1, ADC_FLAG_AWD1) != RESET)" + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADC_LevelOutOfWindowCallback(ADC_HandleTypeDef* hadc) +{ + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_LevelOoutOfWindowCallback must be implemented in the user file. + */ +} + +/** + * @brief ADC error callback in non blocking mode + * (ADC conversion with interruption or transfer by DMA) + * @param hadc: ADC handle + * @retval None + */ +__weak void HAL_ADC_ErrorCallback(ADC_HandleTypeDef *hadc) +{ + /* NOTE : This function should not be modified. When the callback is needed, + function HAL_ADC_ErrorCallback must be implemented in the user file. + */ +} + +/** + * @} + */ + +/** @defgroup ADC_Group3 Peripheral Control functions + * @brief Peripheral Control functions + * +@verbatim + =============================================================================== + ##### Peripheral Control functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Configure channels on regular group + (+) Configure the analog watchdog + +@endverbatim + * @{ + */ + +/** + * @brief Configures the the selected channel to be linked to the regular + * group. + * @note In case of usage of internal measurement channels: + * Vbat/VrefInt/TempSensor. + * The recommended sampling time is at least: + * - For devices STM32F37x: 17.1us for temperature sensor + * - For the other STM32F3 devices: 2.2us for each of channels + * Vbat/VrefInt/TempSensor. + * These internal paths can be be disabled using function + * HAL_ADC_DeInit(). + * @note Possibility to update parameters on the fly: + * This function initializes channel into regular group, following + * calls to this function can be used to reconfigure some parameters + * of structure "ADC_ChannelConfTypeDef" on the fly, without reseting + * the ADC. + * The setting of these parameters is conditioned to ADC state. + * For parameters constraints, see comments of structure + * "ADC_ChannelConfTypeDef". + * @param hadc: ADC handle + * @param sConfig: Structure of ADC channel for regular group. + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_ConfigChannel(ADC_HandleTypeDef* hadc, ADC_ChannelConfTypeDef* sConfig) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Configures the analog watchdog. + * @note Possibility to update parameters on the fly: + * This function initializes the selected analog watchdog, following + * calls to this function can be used to reconfigure some parameters + * of structure "ADC_AnalogWDGConfTypeDef" on the fly, without reseting + * the ADC. + * The setting of these parameters is conditioned to ADC state. + * For parameters constraints, see comments of structure + * "ADC_AnalogWDGConfTypeDef". + * @param hadc: ADC handle + * @param AnalogWDGConfig: Structure of ADC analog watchdog configuration + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_ADC_AnalogWDGConfig(ADC_HandleTypeDef* hadc, ADC_AnalogWDGConfTypeDef* AnalogWDGConfig) +{ + /* Note : This function is defined into this file for library reference. */ + /* Function content is located into file stm32f3xx_hal_adc_ex.c */ + + /* Return function status */ + return HAL_OK; +} + +/** + * @} + */ + +/** @defgroup ADC_Group4 ADC Peripheral State functions + * @brief ADC Peripheral State functions + * +@verbatim + =============================================================================== + ##### Peripheral state and errors functions ##### + =============================================================================== + [..] + This subsection provides functions to get in run-time the status of the + peripheral. + (+) Check the ADC state + (+) Check the ADC error code + +@endverbatim + * @{ + */ + +/** + * @brief return the ADC state + * @param hadc: ADC handle + * @retval HAL state + */ +HAL_ADC_StateTypeDef HAL_ADC_GetState(ADC_HandleTypeDef* hadc) +{ + /* Check the parameters */ + assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance)); + + /* Return ADC state */ + return hadc->State; +} + +/** + * @brief Return the ADC error code + * @param hadc: ADC handle + * @retval ADC Error Code + */ +uint32_t HAL_ADC_GetError(ADC_HandleTypeDef *hadc) +{ + return hadc->ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_ADC_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/