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Diffstat (limited to 'thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_opamp.c')
| -rw-r--r-- | thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_opamp.c | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_opamp.c b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_opamp.c new file mode 100644 index 0000000..10d6c15 --- /dev/null +++ b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_opamp.c @@ -0,0 +1,575 @@ +/** + ****************************************************************************** + * @file stm32f30x_opamp.c + * @author MCD Application Team + * @version V1.0.1 + * @date 23-October-2012 + * @brief This file provides firmware functions to manage the following + * functionalities of the operational amplifiers (OPAMP1,...OPAMP4) peripheral: + * + OPAMP Configuration + * + OPAMP calibration + * + @verbatim + + ============================================================================== + ##### OPAMP Peripheral Features ##### + ============================================================================== + + [..] + The device integrates 4 operational amplifiers OPAMP1, OPAMP2, OPAMP3 and OPAMP4: + + (+) The OPAMPs non inverting input can be selected among the list shown by + table below. + + (+) The OPAMPs inverting input can be selected among the list shown by + table below. + + (+) The OPAMPs outputs can be internally connected to the inverting input + (follower mode) + (+) The OPAMPs outputs can be internally connected to resistor feedback + output (Programmable Gain Amplifier mode) + + (+) The OPAMPs outputs can be internally connected to ADC + + (+) The OPAMPs can be calibrated to compensate the offset compensation + + (+) Timer-controlled Mux for automatic switch of inverting and + non-inverting input + + OPAMPs inverting/non-inverting inputs: + +--------------------------------------------------------------+ + | | | OPAMP1 | OPAMP2 | OPAMP3 | OPAMP4 | + |-----------------|--------|--------|--------|--------|--------| + | | PGA | OK | OK | OK | OK | + | Inverting Input | Vout | OK | OK | OK | OK | + | | IO1 | PC5 | PC5 | PB10 | PB10 | + | | IO2 | PA3 | PA5 | PB2 | PD8 | + |-----------------|--------|--------|--------|--------|--------| + | | IO1 | PA7 | PD14 | PB13 | PD11 | + | Non Inverting | IO2 | PA5 | PB14 | PA5 | PB11 | + | Input | IO3 | PA3 | PB0 | PA1 | PA4 | + | | IO4 | PA1 | PA7 | PB0 | PB13 | + +--------------------------------------------------------------+ + + ##### How to use this driver ##### + ============================================================================== + [..] + This driver provides functions to configure and program the OPAMP + of all STM32F30x devices. + + To use the OPAMP, perform the following steps: + + (#) Enable the SYSCFG APB clock to get write access to OPAMP + register using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); + + (#) Configure the OPAMP input in analog mode using GPIO_Init() + + (#) Configure the OPAMP using OPAMP_Init() function: + (++) Select the inverting input + (++) Select the non-inverting inverting input + + (#) Enable the OPAMP using OPAMP_Cmd() function + + @endverbatim + + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> + * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f30x_opamp.h" + +/** @addtogroup STM32F30x_StdPeriph_Driver + * @{ + */ + +/** @defgroup OPAMP + * @brief OPAMP driver modules + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#define OPAMP_CSR_DEFAULT_MASK ((uint32_t)0xFFFFFF93) +#define OPAMP_CSR_TIMERMUX_MASK ((uint32_t)0xFFFFF8FF) +#define OPAMP_CSR_TRIMMING_MASK ((uint32_t)0x0000001F) + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup OPAMP_Private_Functions + * @{ + */ + +/** @defgroup OPAMP_Group1 Initialization and Configuration functions + * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization and Configuration functions ##### + =============================================================================== + +@endverbatim + * @{ + */ + +/** + * @brief Deinitializes OPAMP peripheral registers to their default reset values. + * @note Deinitialization can't be performed if the OPAMP configuration is locked. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param None + * @retval None + */ +void OPAMP_DeInit(uint32_t OPAMP_Selection) +{ + /*!< Set OPAMP_CSR register to reset value */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) = ((uint32_t)0x00000000); +} + +/** + * @brief Initializes the OPAMP peripheral according to the specified parameters + * in OPAMP_InitStruct + * @note If the selected OPAMP is locked, initialization can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param OPAMP_InitStruct: pointer to an OPAMP_InitTypeDef structure that contains + * the configuration information for the specified OPAMP peripheral. + * - OPAMP_InvertingInput specifies the inverting input of OPAMP + * - OPAMP_NonInvertingInput specifies the non inverting input of OPAMP + * @retval None + */ +void OPAMP_Init(uint32_t OPAMP_Selection, OPAMP_InitTypeDef* OPAMP_InitStruct) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_OPAMP_INVERTING_INPUT(OPAMP_InitStruct->OPAMP_InvertingInput)); + assert_param(IS_OPAMP_NONINVERTING_INPUT(OPAMP_InitStruct->OPAMP_NonInvertingInput)); + + /*!< Get the OPAMPx_CSR register value */ + tmpreg = *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection); + + /*!< Clear the inverting and non inverting bits selection bits */ + tmpreg &= (uint32_t) (OPAMP_CSR_DEFAULT_MASK); + + /*!< Configure OPAMP: inverting and non inverting inputs */ + tmpreg |= (uint32_t)(OPAMP_InitStruct->OPAMP_InvertingInput | OPAMP_InitStruct->OPAMP_NonInvertingInput); + + /*!< Write to OPAMPx_CSR register */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) = tmpreg; +} + +/** + * @brief Fills each OPAMP_InitStruct member with its default value. + * @param OPAMP_InitStruct: pointer to an OPAMP_InitTypeDef structure which will + * be initialized. + * @retval None + */ +void OPAMP_StructInit(OPAMP_InitTypeDef* OPAMP_InitStruct) +{ + OPAMP_InitStruct->OPAMP_NonInvertingInput = OPAMP_NonInvertingInput_IO1; + OPAMP_InitStruct->OPAMP_InvertingInput = OPAMP_InvertingInput_IO1; +} + +/** + * @brief Configure the feedback resistor gain. + * @note If the selected OPAMP is locked, gain configuration can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param NewState: new state of the OPAMP peripheral. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void OPAMP_PGAConfig(uint32_t OPAMP_Selection, uint32_t OPAMP_PGAGain, uint32_t OPAMP_PGAConnect) +{ + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_OPAMP_PGAGAIN(OPAMP_PGAGain)); + assert_param(IS_OPAMP_PGACONNECT(OPAMP_PGAConnect)); + + /* Reset the configuration bits */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) &= (uint32_t)(~OPAMP_CSR_PGGAIN); + + /* Set the new configuration */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= (uint32_t) (OPAMP_PGAGain | OPAMP_PGAConnect); +} + +/** + * @brief Configure the OPAMP's internal reference. + * @note This feature is used when calibration enabled or OPAMP's reference + * connected to the non inverting input. + * @note If the selected OPAMP is locked, Vref configuration can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param OPAMP_Vref: This parameter can be: + * OPAMP_Vref_3VDDA: OPMAP Vref = 3.3% VDDA + * OPAMP_Vref_10VDDA: OPMAP Vref = 10% VDDA + * OPAMP_Vref_50VDDA: OPMAP Vref = 50% VDDA + * OPAMP_Vref_90VDDA: OPMAP Vref = 90% VDDA + * @retval None + */ +void OPAMP_VrefConfig(uint32_t OPAMP_Selection, uint32_t OPAMP_Vref) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_OPAMP_VREF(OPAMP_Vref)); + + /*!< Get the OPAMPx_CSR register value */ + tmpreg = *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection); + + /*!< Clear the CALSEL bits */ + tmpreg &= (uint32_t) (~OPAMP_CSR_CALSEL); + + /*!< Configure OPAMP reference */ + tmpreg |= (uint32_t)(OPAMP_Vref); + + /*!< Write to OPAMPx_CSR register */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) = tmpreg; +} + +/** + * @brief Connnect the internal reference to the OPAMP's non inverting input. + * @note If the selected OPAMP is locked, Vref configuration can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param NewState: new state of the OPAMP peripheral. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void OPAMP_VrefConnectNonInvertingInput(uint32_t OPAMP_Selection, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Connnect the internal reference to the OPAMP's non inverting input */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= (uint32_t) (OPAMP_CSR_FORCEVP); + } + else + { + /* Disconnnect the internal reference to the OPAMP's non inverting input */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) &= (uint32_t)(~OPAMP_CSR_FORCEVP); + } +} + +/** + * @brief Enables or disables connecting the OPAMP's internal reference to ADC. + * @note If the selected OPAMP is locked, Vref connection can't be performed. + * To unlock the configuration, perform a system reset. + * @param NewState: new state of the Vrefint output. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void OPAMP_VrefConnectADCCmd(uint32_t OPAMP_Selection, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable output internal reference */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= (uint32_t) (OPAMP_CSR_TSTREF); + } + else + { + /* Disable output internal reference */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) &= (uint32_t)(~OPAMP_CSR_TSTREF); + } +} + +/** + * @brief Configure the OPAMP peripheral (secondary inputs) for timer-controlled + * mux mode according to the specified parameters in OPAMP_InitStruct. + * @note If the selected OPAMP is locked, timer-controlled mux configuration + * can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param OPAMP_InitStruct: pointer to an OPAMP_InitTypeDef structure that contains + * the configuration information for the specified OPAMP peripheral. + * - OPAMP_InvertingInput specifies the inverting input of OPAMP + * - OPAMP_NonInvertingInput specifies the non inverting input of OPAMP + * @note PGA and Vout can't be selected as seconadry inverting input. + * @retval None + */ +void OPAMP_TimerControlledMuxConfig(uint32_t OPAMP_Selection, OPAMP_InitTypeDef* OPAMP_InitStruct) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_OPAMP_SECONDARY_INVINPUT(OPAMP_InitStruct->OPAMP_InvertingInput)); + assert_param(IS_OPAMP_NONINVERTING_INPUT(OPAMP_InitStruct->OPAMP_NonInvertingInput)); + + /*!< Get the OPAMPx_CSR register value */ + tmpreg = *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection); + + /*!< Clear the secondary inverting bit, secondary non inverting bit and TCMEN bits */ + tmpreg &= (uint32_t) (OPAMP_CSR_TIMERMUX_MASK); + + /*!< Configure OPAMP: secondary inverting and non inverting inputs */ + tmpreg |= (uint32_t)((uint32_t)(OPAMP_InitStruct->OPAMP_InvertingInput<<3) | (uint32_t)(OPAMP_InitStruct->OPAMP_NonInvertingInput<<7)); + + /*!< Write to OPAMPx_CSR register */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) = tmpreg; +} + +/** + * @brief Enable or disable the timer-controlled mux mode. + * @note If the selected OPAMP is locked, enable/disable can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param NewState: new state of the OPAMP peripheral. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void OPAMP_TimerControlledMuxCmd(uint32_t OPAMP_Selection, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the timer-controlled Mux mode */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= (uint32_t) (OPAMP_CSR_TCMEN); + } + else + { + /* Disable the timer-controlled Mux mode */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) &= (uint32_t)(~OPAMP_CSR_TCMEN); + } +} + +/** + * @brief Enable or disable the OPAMP peripheral. + * @note If the selected OPAMP is locked, enable/disable can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param NewState: new state of the OPAMP peripheral. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void OPAMP_Cmd(uint32_t OPAMP_Selection, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected OPAMPx peripheral */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= (uint32_t) (OPAMP_CSR_OPAMPxEN); + } + else + { + /* Disable the selected OPAMPx peripheral */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) &= (uint32_t)(~OPAMP_CSR_OPAMPxEN); + } +} + +/** + * @brief Return the output level (high or low) during calibration of the selected OPAMP. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * - OPAMP output is low when the non-inverting input is at a lower + * voltage than the inverting input + * - OPAMP output is high when the non-inverting input is at a higher + * voltage than the inverting input + * @note OPAMP ouput level is provided only during calibration phase. + * @retval Returns the selected OPAMP output level: low or high. + * + */ +uint32_t OPAMP_GetOutputLevel(uint32_t OPAMP_Selection) +{ + uint32_t opampout = 0x0; + + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + + /* Check if selected OPAMP output is high */ + if ((*(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) & (OPAMP_CSR_OUTCAL)) != 0) + { + opampout = OPAMP_OutputLevel_High; + } + else + { + opampout = OPAMP_OutputLevel_Low; + } + + /* Return the OPAMP output level */ + return (uint32_t)(opampout); +} + +/** + * @brief Select the trimming mode. + * @param OffsetTrimming: the selected offset trimming mode. + * This parameter can be one of the following values: + * @arg OPAMP_Trimming_Factory: factory trimming values are used for offset + * calibration + * @arg OPAMP_Trimming_User: user trimming values are used for offset + * calibration + * @note When OffsetTrimming_User is selected, use OPAMP_OffsetTrimConfig() + * function or OPAMP_OffsetTrimLowPowerConfig() function to adjust + * trimming value. + * @retval None + */ +void OPAMP_OffsetTrimModeSelect(uint32_t OPAMP_Selection, uint32_t OPAMP_Trimming) +{ + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_OPAMP_TRIMMING(OPAMP_Trimming)); + + /* Reset USERTRIM bit */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) &= (~(uint32_t) (OPAMP_CSR_USERTRIM)); + + /* Select trimming mode */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= OPAMP_Trimming; +} + +/** + * @brief Configure the trimming value of the OPAMP. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param OPAMP_Input: the selected OPAMP input. + * This parameter can be one of the following values: + * @arg OPAMP_Input_Inverting: Inverting input is selected to configure the trimming value + * @arg OPAMP_Input_NonInverting: Non inverting input is selected to configure the trimming value + * @param OPAMP_TrimValue: the trimming value. This parameter can be any value lower + * or equal to 0x0000001F. + * @retval None + */ +void OPAMP_OffsetTrimConfig(uint32_t OPAMP_Selection, uint32_t OPAMP_Input, uint32_t OPAMP_TrimValue) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_OPAMP_INPUT(OPAMP_Input)); + assert_param(IS_OPAMP_TRIMMINGVALUE(OPAMP_TrimValue)); + + /*!< Get the OPAMPx_CSR register value */ + tmpreg = *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection); + + /*!< Clear the trimming bits */ + tmpreg &= ((uint32_t)~(OPAMP_CSR_TRIMMING_MASK<<OPAMP_Input)); + + /*!< Configure the new trimming value */ + tmpreg |= (uint32_t)(OPAMP_TrimValue<<OPAMP_Input); + + /*!< Write to OPAMPx_CSR register */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) = tmpreg; +} + +/** + * @brief Start or stop the calibration of selected OPAMP peripheral. + * @note If the selected OPAMP is locked, start/stop can't be performed. + * To unlock the configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @param NewState: new state of the OPAMP peripheral. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void OPAMP_StartCalibration(uint32_t OPAMP_Selection, FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Start the OPAMPx calibration */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= (uint32_t) (OPAMP_CSR_CALON); + } + else + { + /* Stop the OPAMPx calibration */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) &= (uint32_t)(~OPAMP_CSR_CALON); + } +} + +/** + * @} + */ + +/** @defgroup OPAMP_Group2 OPAMP configuration locking function + * @brief OPAMP1,...OPAMP4 configuration locking function + * OPAMP1,...OPAMP4 configuration can be locked each separately. + * Unlocking is performed by system reset. + * +@verbatim + =============================================================================== + ##### Configuration Lock function ##### + =============================================================================== + +@endverbatim + * @{ + */ + +/** + * @brief Lock the selected OPAMP configuration. + * @note Locking the configuration means that all control bits are read-only. + * To unlock the OPAMP configuration, perform a system reset. + * @param OPAMP_Selection: the selected OPAMP. + * This parameter can be OPAMP_Selection_OPAMPx where x can be 1 to 4 + * to select the OPAMP peripheral. + * @retval None + */ +void OPAMP_LockConfig(uint32_t OPAMP_Selection) +{ + /* Check the parameter */ + assert_param(IS_OPAMP_ALL_PERIPH(OPAMP_Selection)); + + /* Set the lock bit corresponding to selected OPAMP */ + *(__IO uint32_t *) (OPAMP_BASE + OPAMP_Selection) |= (uint32_t) (OPAMP_CSR_LOCK); +} + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |