diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_opamp.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_opamp.c | 458 |
1 files changed, 228 insertions, 230 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_opamp.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_opamp.c index bc61b44d8f..c20f590018 100644 --- a/bsps/arm/stm32h7/hal/stm32h7xx_ll_opamp.c +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_opamp.c @@ -1,230 +1,228 @@ -/**
- ******************************************************************************
- * @file stm32h7xx_ll_opamp.c
- * @author MCD Application Team
- * @brief OPAMP LL module driver
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2017 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
-#if defined(USE_FULL_LL_DRIVER) || defined(__rtems__)
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32h7xx_ll_opamp.h"
-
-#ifdef USE_FULL_ASSERT
- #include "stm32_assert.h"
-#else
- #define assert_param(expr) ((void)0U)
-#endif
-
-/** @addtogroup STM32H7xx_LL_Driver
- * @{
- */
-
-#if defined (OPAMP1) || defined (OPAMP2)
-/** @addtogroup OPAMP_LL OPAMP
- * @{
- */
-
-/* Private types -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private constants ---------------------------------------------------------*/
-/* Private macros ------------------------------------------------------------*/
-
-/** @addtogroup OPAMP_LL_Private_Macros
- * @{
- */
-
-/* Check of parameters for configuration of OPAMP hierarchical scope: */
-/* OPAMP instance. */
-
-#define IS_LL_OPAMP_POWER_MODE(__POWER_MODE__) \
- ( ((__POWER_MODE__) == LL_OPAMP_POWERMODE_NORMAL) \
- || ((__POWER_MODE__) == LL_OPAMP_POWERMODE_HIGHSPEED))
-
-#define IS_LL_OPAMP_FUNCTIONAL_MODE(__FUNCTIONAL_MODE__) \
- ( ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_STANDALONE) \
- || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_FOLLOWER) \
- || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA) \
- || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA_IO0) \
- || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA_IO0_BIAS) \
- || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA_IO0_IO1_BIAS) \
- )
-
-#if defined(DAC2)
-#define IS_LL_OPAMP_INPUT_NONINVERTING(__INPUT_NONINVERTING__) \
- ( ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_IO0) \
- || ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_DAC) \
- || ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_DAC2) \
- )
-#else
-#define IS_LL_OPAMP_INPUT_NONINVERTING(__INPUT_NONINVERTING__) \
- ( ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_IO0) \
- || ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_DAC) \
- )
-#endif /* DAC2 */
-
-
-#define IS_LL_OPAMP_INPUT_INVERTING(__INPUT_INVERTING__) \
- ( ((__INPUT_INVERTING__) == LL_OPAMP_INPUT_INVERT_IO0) \
- || ((__INPUT_INVERTING__) == LL_OPAMP_INPUT_INVERT_IO1) \
- || ((__INPUT_INVERTING__) == LL_OPAMP_INPUT_INVERT_CONNECT_NO) \
- )
-
-/**
- * @}
- */
-
-
-/* Private function prototypes -----------------------------------------------*/
-
-/* Exported functions --------------------------------------------------------*/
-/** @addtogroup OPAMP_LL_Exported_Functions
- * @{
- */
-
-/** @addtogroup OPAMP_LL_EF_Init
- * @{
- */
-
-/**
- * @brief De-initialize registers of the selected OPAMP instance
- * to their default reset values.
- * @note If comparator is locked, de-initialization by software is
- * not possible.
- * The only way to unlock the comparator is a device hardware reset.
- * @param OPAMPx OPAMP instance
- * @retval An ErrorStatus enumeration value:
- * - SUCCESS: OPAMP registers are de-initialized
- * - ERROR: OPAMP registers are not de-initialized
- */
-ErrorStatus LL_OPAMP_DeInit(OPAMP_TypeDef* OPAMPx)
-{
- ErrorStatus status = SUCCESS;
-
- /* Check the parameters */
- assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx));
-
- LL_OPAMP_WriteReg(OPAMPx, CSR, 0x00000000U);
-
- return status;
-}
-
-/**
- * @brief Initialize some features of OPAMP instance.
- * @note This function reset bit of calibration mode to ensure
- * to be in functional mode, in order to have OPAMP parameters
- * (inputs selection, ...) set with the corresponding OPAMP mode
- * to be effective.
- * @param OPAMPx OPAMP instance
- * @param OPAMP_InitStruct Pointer to a @ref LL_OPAMP_InitTypeDef structure
- * @retval An ErrorStatus enumeration value:
- * - SUCCESS: OPAMP registers are initialized
- * - ERROR: OPAMP registers are not initialized
- */
-ErrorStatus LL_OPAMP_Init(OPAMP_TypeDef *OPAMPx, LL_OPAMP_InitTypeDef *OPAMP_InitStruct)
-{
- ErrorStatus status = SUCCESS;
-
- /* Check the parameters */
- assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx));
- assert_param(IS_LL_OPAMP_POWER_MODE(OPAMP_InitStruct->PowerMode));
- assert_param(IS_LL_OPAMP_FUNCTIONAL_MODE(OPAMP_InitStruct->FunctionalMode));
- assert_param(IS_LL_OPAMP_INPUT_NONINVERTING(OPAMP_InitStruct->InputNonInverting));
-
- /* Note: OPAMP inverting input can be used with OPAMP in mode standalone */
- /* or PGA with external capacitors for filtering circuit. */
- /* Otherwise (OPAMP in mode follower), OPAMP inverting input is */
- /* not used (not connected to GPIO pin). */
- if(OPAMP_InitStruct->FunctionalMode != LL_OPAMP_MODE_FOLLOWER)
- {
- assert_param(IS_LL_OPAMP_INPUT_INVERTING(OPAMP_InitStruct->InputInverting));
- }
-
- /* Configuration of OPAMP instance : */
- /* - PowerMode */
- /* - Functional mode */
- /* - Input non-inverting */
- /* - Input inverting */
- /* Note: Bit OPAMP_CSR_CALON reset to ensure to be in functional mode. */
- if(OPAMP_InitStruct->FunctionalMode != LL_OPAMP_MODE_FOLLOWER)
- {
- MODIFY_REG(OPAMPx->CSR,
- OPAMP_CSR_OPAHSM
- | OPAMP_CSR_CALON
- | OPAMP_CSR_VMSEL
- | OPAMP_CSR_VPSEL
- | OPAMP_CSR_PGGAIN_2 | OPAMP_CSR_PGGAIN_1
- ,
- (OPAMP_InitStruct->PowerMode & OPAMP_POWERMODE_CSR_BIT_MASK)
- | OPAMP_InitStruct->FunctionalMode
- | OPAMP_InitStruct->InputNonInverting
- | OPAMP_InitStruct->InputInverting
- );
- }
- else
- {
- MODIFY_REG(OPAMPx->CSR,
- OPAMP_CSR_OPAHSM
- | OPAMP_CSR_CALON
- | OPAMP_CSR_VMSEL
- | OPAMP_CSR_VPSEL
- | OPAMP_CSR_PGGAIN_2 | OPAMP_CSR_PGGAIN_1
- ,
- (OPAMP_InitStruct->PowerMode & OPAMP_POWERMODE_CSR_BIT_MASK)
- | LL_OPAMP_MODE_FOLLOWER
- | OPAMP_InitStruct->InputNonInverting
- );
- }
-
- return status;
-}
-
-/**
- * @brief Set each @ref LL_OPAMP_InitTypeDef field to default value.
- * @param OPAMP_InitStruct pointer to a @ref LL_OPAMP_InitTypeDef structure
- * whose fields will be set to default values.
- * @retval None
- */
-void LL_OPAMP_StructInit(LL_OPAMP_InitTypeDef *OPAMP_InitStruct)
-{
- /* Set OPAMP_InitStruct fields to default values */
- OPAMP_InitStruct->PowerMode = LL_OPAMP_POWERMODE_NORMAL;
- OPAMP_InitStruct->FunctionalMode = LL_OPAMP_MODE_FOLLOWER;
- OPAMP_InitStruct->InputNonInverting = LL_OPAMP_INPUT_NONINVERT_IO0;
- /* Note: Parameter discarded if OPAMP in functional mode follower, */
- /* set anyway to its default value. */
- OPAMP_InitStruct->InputInverting = LL_OPAMP_INPUT_INVERT_CONNECT_NO;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* OPAMP1 || OPAMP2 */
-
-/**
- * @}
- */
-
-#endif /* USE_FULL_LL_DRIVER */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+/** + ****************************************************************************** + * @file stm32h7xx_ll_opamp.c + * @author MCD Application Team + * @brief OPAMP LL module driver + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) || defined(__rtems__) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_ll_opamp.h" + +#ifdef USE_FULL_ASSERT + #include "stm32_assert.h" +#else + #define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32H7xx_LL_Driver + * @{ + */ + +#if defined (OPAMP1) || defined (OPAMP2) +/** @addtogroup OPAMP_LL OPAMP + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ + +/** @addtogroup OPAMP_LL_Private_Macros + * @{ + */ + +/* Check of parameters for configuration of OPAMP hierarchical scope: */ +/* OPAMP instance. */ + +#define IS_LL_OPAMP_POWER_MODE(__POWER_MODE__) \ + ( ((__POWER_MODE__) == LL_OPAMP_POWERMODE_NORMAL) \ + || ((__POWER_MODE__) == LL_OPAMP_POWERMODE_HIGHSPEED)) + +#define IS_LL_OPAMP_FUNCTIONAL_MODE(__FUNCTIONAL_MODE__) \ + ( ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_STANDALONE) \ + || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_FOLLOWER) \ + || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA) \ + || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA_IO0) \ + || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA_IO0_BIAS) \ + || ((__FUNCTIONAL_MODE__) == LL_OPAMP_MODE_PGA_IO0_IO1_BIAS) \ + ) + +#if defined(DAC2) +#define IS_LL_OPAMP_INPUT_NONINVERTING(__INPUT_NONINVERTING__) \ + ( ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_IO0) \ + || ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_DAC) \ + || ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_DAC2) \ + ) +#else +#define IS_LL_OPAMP_INPUT_NONINVERTING(__INPUT_NONINVERTING__) \ + ( ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_IO0) \ + || ((__INPUT_NONINVERTING__) == LL_OPAMP_INPUT_NONINVERT_DAC) \ + ) +#endif /* DAC2 */ + + +#define IS_LL_OPAMP_INPUT_INVERTING(__INPUT_INVERTING__) \ + ( ((__INPUT_INVERTING__) == LL_OPAMP_INPUT_INVERT_IO0) \ + || ((__INPUT_INVERTING__) == LL_OPAMP_INPUT_INVERT_IO1) \ + || ((__INPUT_INVERTING__) == LL_OPAMP_INPUT_INVERT_CONNECT_NO) \ + ) + +/** + * @} + */ + + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup OPAMP_LL_Exported_Functions + * @{ + */ + +/** @addtogroup OPAMP_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize registers of the selected OPAMP instance + * to their default reset values. + * @note If comparator is locked, de-initialization by software is + * not possible. + * The only way to unlock the comparator is a device hardware reset. + * @param OPAMPx OPAMP instance + * @retval An ErrorStatus enumeration value: + * - SUCCESS: OPAMP registers are de-initialized + * - ERROR: OPAMP registers are not de-initialized + */ +ErrorStatus LL_OPAMP_DeInit(OPAMP_TypeDef* OPAMPx) +{ + ErrorStatus status = SUCCESS; + + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx)); + + LL_OPAMP_WriteReg(OPAMPx, CSR, 0x00000000U); + + return status; +} + +/** + * @brief Initialize some features of OPAMP instance. + * @note This function reset bit of calibration mode to ensure + * to be in functional mode, in order to have OPAMP parameters + * (inputs selection, ...) set with the corresponding OPAMP mode + * to be effective. + * @param OPAMPx OPAMP instance + * @param OPAMP_InitStruct Pointer to a @ref LL_OPAMP_InitTypeDef structure + * @retval An ErrorStatus enumeration value: + * - SUCCESS: OPAMP registers are initialized + * - ERROR: OPAMP registers are not initialized + */ +ErrorStatus LL_OPAMP_Init(OPAMP_TypeDef *OPAMPx, LL_OPAMP_InitTypeDef *OPAMP_InitStruct) +{ + ErrorStatus status = SUCCESS; + + /* Check the parameters */ + assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx)); + assert_param(IS_LL_OPAMP_POWER_MODE(OPAMP_InitStruct->PowerMode)); + assert_param(IS_LL_OPAMP_FUNCTIONAL_MODE(OPAMP_InitStruct->FunctionalMode)); + assert_param(IS_LL_OPAMP_INPUT_NONINVERTING(OPAMP_InitStruct->InputNonInverting)); + + /* Note: OPAMP inverting input can be used with OPAMP in mode standalone */ + /* or PGA with external capacitors for filtering circuit. */ + /* Otherwise (OPAMP in mode follower), OPAMP inverting input is */ + /* not used (not connected to GPIO pin). */ + if(OPAMP_InitStruct->FunctionalMode != LL_OPAMP_MODE_FOLLOWER) + { + assert_param(IS_LL_OPAMP_INPUT_INVERTING(OPAMP_InitStruct->InputInverting)); + } + + /* Configuration of OPAMP instance : */ + /* - PowerMode */ + /* - Functional mode */ + /* - Input non-inverting */ + /* - Input inverting */ + /* Note: Bit OPAMP_CSR_CALON reset to ensure to be in functional mode. */ + if(OPAMP_InitStruct->FunctionalMode != LL_OPAMP_MODE_FOLLOWER) + { + MODIFY_REG(OPAMPx->CSR, + OPAMP_CSR_OPAHSM + | OPAMP_CSR_CALON + | OPAMP_CSR_VMSEL + | OPAMP_CSR_VPSEL + | OPAMP_CSR_PGGAIN_2 | OPAMP_CSR_PGGAIN_1 + , + (OPAMP_InitStruct->PowerMode & OPAMP_POWERMODE_CSR_BIT_MASK) + | OPAMP_InitStruct->FunctionalMode + | OPAMP_InitStruct->InputNonInverting + | OPAMP_InitStruct->InputInverting + ); + } + else + { + MODIFY_REG(OPAMPx->CSR, + OPAMP_CSR_OPAHSM + | OPAMP_CSR_CALON + | OPAMP_CSR_VMSEL + | OPAMP_CSR_VPSEL + | OPAMP_CSR_PGGAIN_2 | OPAMP_CSR_PGGAIN_1 + , + (OPAMP_InitStruct->PowerMode & OPAMP_POWERMODE_CSR_BIT_MASK) + | LL_OPAMP_MODE_FOLLOWER + | OPAMP_InitStruct->InputNonInverting + ); + } + + return status; +} + +/** + * @brief Set each @ref LL_OPAMP_InitTypeDef field to default value. + * @param OPAMP_InitStruct pointer to a @ref LL_OPAMP_InitTypeDef structure + * whose fields will be set to default values. + * @retval None + */ +void LL_OPAMP_StructInit(LL_OPAMP_InitTypeDef *OPAMP_InitStruct) +{ + /* Set OPAMP_InitStruct fields to default values */ + OPAMP_InitStruct->PowerMode = LL_OPAMP_POWERMODE_NORMAL; + OPAMP_InitStruct->FunctionalMode = LL_OPAMP_MODE_FOLLOWER; + OPAMP_InitStruct->InputNonInverting = LL_OPAMP_INPUT_NONINVERT_IO0; + /* Note: Parameter discarded if OPAMP in functional mode follower, */ + /* set anyway to its default value. */ + OPAMP_InitStruct->InputInverting = LL_OPAMP_INPUT_INVERT_CONNECT_NO; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* OPAMP1 || OPAMP2 */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + |