diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_comp.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_comp.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_comp.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_comp.c new file mode 100644 index 0000000000..a91776e3c5 --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_comp.c @@ -0,0 +1,296 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_ll_comp.c
+ * @author MCD Application Team
+ * @brief COMP 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)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7xx_ll_comp.h"
+
+#ifdef USE_FULL_ASSERT
+ #include "stm32_assert.h"
+#else
+ #define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32H7xx_LL_Driver
+ * @{
+ */
+
+#if defined (COMP1) || defined (COMP2)
+
+/** @addtogroup COMP_LL COMP
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+
+/** @addtogroup COMP_LL_Private_Macros
+ * @{
+ */
+
+/* Check of parameters for configuration of COMP hierarchical scope: */
+/* COMP instance. */
+
+#define IS_LL_COMP_POWER_MODE(__POWER_MODE__) \
+ ( ((__POWER_MODE__) == LL_COMP_POWERMODE_HIGHSPEED) \
+ || ((__POWER_MODE__) == LL_COMP_POWERMODE_MEDIUMSPEED) \
+ || ((__POWER_MODE__) == LL_COMP_POWERMODE_ULTRALOWPOWER) \
+ )
+
+/* Note: On this STM32 serie, comparator input plus parameters are */
+/* the same on all COMP instances. */
+/* However, comparator instance kept as macro parameter for */
+/* compatibility with other STM32 families. */
+#if defined (COMP_CFGRx_INP2SEL)
+#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
+ ( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
+ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
+ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC2_CH1))
+#else
+#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
+ ( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
+ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2))
+#endif
+
+/* Note: On this STM32 serie, comparator input minus parameters are */
+/* the same on all COMP instances. */
+/* However, comparator instance kept as macro parameter for */
+/* compatibility with other STM32 families. */
+#if defined (COMP_CFGRx_INMSEL_3)
+#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
+ ( ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_TPSENS_DAC2CH1) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VBAT_VDDAP))
+#else
+#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
+ ( ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
+ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2))
+#endif
+
+#define IS_LL_COMP_INPUT_HYSTERESIS(__INPUT_HYSTERESIS__) \
+ ( ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_NONE) \
+ || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_LOW) \
+ || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_MEDIUM) \
+ || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_HIGH) \
+ )
+
+#define IS_LL_COMP_OUTPUT_POLARITY(__POLARITY__) \
+ ( ((__POLARITY__) == LL_COMP_OUTPUTPOL_NONINVERTED) \
+ || ((__POLARITY__) == LL_COMP_OUTPUTPOL_INVERTED) \
+ )
+
+#define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__OUTPUT_BLANKING_SOURCE__) \
+ ( ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE) \
+ || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5) \
+ || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3) \
+ || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3) \
+ || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4) \
+ || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5) \
+ || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1) \
+ )
+
+/**
+ * @}
+ */
+
+
+/* Private function prototypes -----------------------------------------------*/
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup COMP_LL_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup COMP_LL_EF_Init
+ * @{
+ */
+
+/**
+ * @brief De-initialize registers of the selected COMP 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 COMPx COMP instance
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: COMP registers are de-initialized
+ * - ERROR: COMP registers are not de-initialized
+ */
+ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx)
+{
+ ErrorStatus status = SUCCESS;
+
+ /* Check the parameters */
+ assert_param(IS_COMP_ALL_INSTANCE(COMPx));
+
+ /* Note: Hardware constraint (refer to description of this function): */
+ /* COMP instance must not be locked. */
+ if(LL_COMP_IsLocked(COMPx) == 0UL)
+ {
+ LL_COMP_WriteReg((COMPx), CFGR, 0x00000000UL);
+
+ }
+ else
+ {
+ /* Comparator instance is locked: de-initialization by software is */
+ /* not possible. */
+ /* The only way to unlock the comparator is a device hardware reset. */
+ status = ERROR;
+ }
+
+ return status;
+}
+
+/**
+ * @brief Initialize some features of COMP instance.
+ * @note This function configures features of the selected COMP instance.
+ * Some features are also available at scope COMP common instance
+ * (common to several COMP instances).
+ * Refer to functions having argument "COMPxy_COMMON" as parameter.
+ * @param COMPx COMP instance
+ * @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: COMP registers are initialized
+ * - ERROR: COMP registers are not initialized
+ */
+ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct)
+{
+ ErrorStatus status = SUCCESS;
+
+ /* Check the parameters */
+ assert_param(IS_COMP_ALL_INSTANCE(COMPx));
+ assert_param(IS_LL_COMP_POWER_MODE(COMP_InitStruct->PowerMode));
+ assert_param(IS_LL_COMP_INPUT_PLUS(COMPx, COMP_InitStruct->InputPlus));
+ assert_param(IS_LL_COMP_INPUT_MINUS(COMPx, COMP_InitStruct->InputMinus));
+ assert_param(IS_LL_COMP_INPUT_HYSTERESIS(COMP_InitStruct->InputHysteresis));
+ assert_param(IS_LL_COMP_OUTPUT_POLARITY(COMP_InitStruct->OutputPolarity));
+ assert_param(IS_LL_COMP_OUTPUT_BLANKING_SOURCE(COMP_InitStruct->OutputBlankingSource));
+
+ /* Note: Hardware constraint (refer to description of this function) */
+ /* COMP instance must not be locked. */
+ if(LL_COMP_IsLocked(COMPx) == 0UL)
+ {
+ /* Configuration of comparator instance : */
+ /* - PowerMode */
+ /* - InputPlus */
+ /* - InputMinus */
+ /* - InputHysteresis */
+ /* - OutputPolarity */
+ /* - OutputBlankingSource */
+#if defined (COMP_CFGRx_INP2SEL)
+ MODIFY_REG(COMPx->CFGR,
+ COMP_CFGRx_PWRMODE
+ | COMP_CFGRx_INPSEL
+ | COMP_CFGRx_INP2SEL
+ | COMP_CFGRx_SCALEN
+ | COMP_CFGRx_BRGEN
+ | COMP_CFGRx_INMSEL
+ | COMP_CFGRx_HYST
+ | COMP_CFGRx_POLARITY
+ | COMP_CFGRx_BLANKING
+ ,
+ COMP_InitStruct->PowerMode
+ | COMP_InitStruct->InputPlus
+ | COMP_InitStruct->InputMinus
+ | COMP_InitStruct->InputHysteresis
+ | COMP_InitStruct->OutputPolarity
+ | COMP_InitStruct->OutputBlankingSource
+ );
+#else
+ MODIFY_REG(COMPx->CFGR,
+ COMP_CFGRx_PWRMODE
+ | COMP_CFGRx_INPSEL
+ | COMP_CFGRx_SCALEN
+ | COMP_CFGRx_BRGEN
+ | COMP_CFGRx_INMSEL
+ | COMP_CFGRx_HYST
+ | COMP_CFGRx_POLARITY
+ | COMP_CFGRx_BLANKING
+ ,
+ COMP_InitStruct->PowerMode
+ | COMP_InitStruct->InputPlus
+ | COMP_InitStruct->InputMinus
+ | COMP_InitStruct->InputHysteresis
+ | COMP_InitStruct->OutputPolarity
+ | COMP_InitStruct->OutputBlankingSource
+ );
+#endif
+ }
+ else
+ {
+ /* Initialization error: COMP instance is locked. */
+ status = ERROR;
+ }
+
+ return status;
+}
+
+/**
+ * @brief Set each @ref LL_COMP_InitTypeDef field to default value.
+ * @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
+ * whose fields will be set to default values.
+ * @retval None
+ */
+void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct)
+{
+ /* Set COMP_InitStruct fields to default values */
+ COMP_InitStruct->PowerMode = LL_COMP_POWERMODE_ULTRALOWPOWER;
+ COMP_InitStruct->InputPlus = LL_COMP_INPUT_PLUS_IO1;
+ COMP_InitStruct->InputMinus = LL_COMP_INPUT_MINUS_VREFINT;
+ COMP_InitStruct->InputHysteresis = LL_COMP_HYSTERESIS_NONE;
+ COMP_InitStruct->OutputPolarity = LL_COMP_OUTPUTPOL_NONINVERTED;
+ COMP_InitStruct->OutputBlankingSource = LL_COMP_BLANKINGSRC_NONE;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* COMP1 || COMP2 */
+
+/**
+ * @}
+ */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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