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stm32l4xx_hal_opamp_ex.c File Reference
Extended OPAMP HAL module driver. This file provides firmware functions to manage the following functionalities of the operational amplifier(s)(OPAMP1, OPAMP2 etc) peripheral: + Extended Initialization and de-initialization functions + Extended Peripheral Control functions. More...
Go to the source code of this file.
Functions | |
HAL_StatusTypeDef | HAL_OPAMPEx_Unlock (OPAMP_HandleTypeDef *hopamp) |
Unlock the selected OPAMP configuration. | |
HAL_StatusTypeDef | HAL_OPAMPEx_SelfCalibrateAll (OPAMP_HandleTypeDef *hopamp1, OPAMP_HandleTypeDef *hopamp2) |
Run the self calibration of the 2 OPAMPs in parallel. |
Detailed Description
Extended OPAMP HAL module driver. This file provides firmware functions to manage the following functionalities of the operational amplifier(s)(OPAMP1, OPAMP2 etc) peripheral: + Extended Initialization and de-initialization functions + Extended Peripheral Control functions.
- Version:
- V1.5.1
- Date:
- 31-May-2016
****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2016 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 "stm32l4xx_hal.h" /** @addtogroup STM32L4xx_HAL_Driver * @{ */ /** @defgroup OPAMPEx OPAMPEx * @brief OPAMP Extended HAL module driver * @{ */ #ifdef HAL_OPAMP_MODULE_ENABLED /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @defgroup OPAMP_Exported_Functions OPAMP Exported Functions * @{ */ #if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) /** @addtogroup OPAMPEx_Exported_Functions_Group1 * @brief Extended operation functions * @verbatim =============================================================================== ##### Extended IO operation functions ##### =============================================================================== [..] (+) OPAMP Self calibration.
Definition in file stm32l4xx_hal_opamp_ex.c.
Function Documentation
HAL_StatusTypeDef HAL_OPAMPEx_SelfCalibrateAll | ( | OPAMP_HandleTypeDef * | hopamp1, |
OPAMP_HandleTypeDef * | hopamp2 | ||
) |
Run the self calibration of the 2 OPAMPs in parallel.
- Note:
- Trimming values (PMOS & NMOS) are updated and user trimming is enabled is calibration is successful.
- Calibration is performed in the mode specified in OPAMP init structure (mode normal or low-power). To perform calibration for both modes, repeat this function twice after OPAMP init structure accordingly updated.
- Calibration runs about 10 ms (5 dichotomy steps, repeated for P and N transistors: 10 steps with 1 ms for each step).
- Parameters:
-
hopamp1 handle hopamp2 handle
- Return values:
-
HAL status
Definition at line 105 of file stm32l4xx_hal_opamp_ex.c.
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