mbed official
mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
Diff: targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_comp.h
- Revision:
- 156:95d6b41a828b
- Child:
- 180:96ed750bd169
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_comp.h Mon Jan 16 15:03:32 2017 +0000
@@ -0,0 +1,849 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_ll_comp.h
+ * @author MCD Application Team
+ * @version V1.4.0
+ * @date 27-May-2016
+ * @brief Header file of COMP LL module.
+ ******************************************************************************
+ * @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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0xx_LL_COMP_H
+#define __STM32F0xx_LL_COMP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_LL_Driver
+ * @{
+ */
+
+#if defined (COMP1) || defined (COMP2)
+
+/** @defgroup COMP_LL COMP
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup COMP_LL_Private_Constants COMP Private Constants
+ * @{
+ */
+
+/* Differentiation between COMP instances */
+/* Note: Value not corresponding to a register offset since both */
+/* COMP instances are sharing the same register) . */
+#define COMPX_BASE COMP_BASE
+#define COMPX (COMP1 - COMP2)
+
+/* COMP registers bits positions */
+#define LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS ((uint32_t)14U) /* Value equivalent to POSITION_VAL(COMP_CSR_COMP1OUT) */
+
+/**
+ * @}
+ */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup COMP_LL_Private_Macros COMP Private Macros
+ * @{
+ */
+
+/**
+ * @brief Driver macro reserved for internal use: if COMP instance selected
+ * is odd (COMP1, COMP3, ...), return value '1', else return '0'.
+ * @param __COMP_INSTANCE__ COMP instance
+ * @retval If COMP instance is odd, value '1'. Else, value '0'.
+*/
+#define __COMP_IS_INSTANCE_ODD(__COMP_INSTANCE__) \
+ ((~(((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U)) & 0x00000001)
+
+/**
+ * @brief Driver macro reserved for internal use: if COMP instance selected
+ * is even (COMP2, COMP4, ...), return value '1', else return '0'.
+ * @param __COMP_INSTANCE__ COMP instance
+ * @retval If COMP instance is even, value '1'. Else, value '0'.
+*/
+#define __COMP_IS_INSTANCE_EVEN(__COMP_INSTANCE__) \
+ (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U)
+
+/**
+ * @brief Driver macro reserved for internal use: from COMP instance
+ * selected, set offset of bits into COMP register.
+ * @note Since both COMP instances are sharing the same register
+ * with 2 area of bits with an offset of 16 bits, this function
+ * returns value "0" if COMP1 is selected and "16" if COMP2 is
+ * selected.
+ * @param __COMP_INSTANCE__ COMP instance
+ * @retval Bits offset in register 32 bits
+*/
+#define __COMP_BITOFFSET_INSTANCE(__COMP_INSTANCE__) \
+ (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) << 3U)
+
+/**
+ * @}
+ */
+
+/* Exported types ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup COMP_LL_ES_INIT COMP Exported Init structure
+ * @{
+ */
+
+/**
+ * @brief Structure definition of some features of COMP instance.
+ */
+typedef struct
+{
+ uint32_t PowerMode; /*!< Set comparator operating mode to adjust power and speed.
+ This parameter can be a value of @ref COMP_LL_EC_POWERMODE
+
+ This feature can be modified afterwards using unitary function @ref LL_COMP_SetPowerMode(). */
+
+ uint32_t InputPlus; /*!< Set comparator input plus (non-inverting input).
+ This parameter can be a value of @ref COMP_LL_EC_INPUT_PLUS
+
+ This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputPlus(). */
+
+ uint32_t InputMinus; /*!< Set comparator input minus (inverting input).
+ This parameter can be a value of @ref COMP_LL_EC_INPUT_MINUS
+
+ This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputMinus(). */
+
+ uint32_t InputHysteresis; /*!< Set comparator hysteresis mode of the input minus.
+ This parameter can be a value of @ref COMP_LL_EC_INPUT_HYSTERESIS
+
+ This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputHysteresis(). */
+
+ uint32_t OutputSelection; /*!< Set comparator output selection.
+ This parameter can be a value of @ref COMP_LL_EC_OUTPUT_SELECTION
+
+ This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputSelection(). */
+
+ uint32_t OutputPolarity; /*!< Set comparator output polarity.
+ This parameter can be a value of @ref COMP_LL_EC_OUTPUT_POLARITY
+
+ This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputPolarity(). */
+
+} LL_COMP_InitTypeDef;
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup COMP_LL_Exported_Constants COMP Exported Constants
+ * @{
+ */
+
+/** @defgroup COMP_LL_EC_COMMON_WINDOWMODE Comparator common modes - Window mode
+ * @{
+ */
+#define LL_COMP_WINDOWMODE_DISABLE ((uint32_t)0x00000000U) /*!< Window mode disable: Comparators 1 and 2 are independent */
+#define LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CSR_WNDWEN) /*!< Window mode enable: Comparators instances pair COMP1 and COMP2 have their input plus connected together. The common input is COMP1 input plus (COMP2 input plus is no more accessible). */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_POWERMODE Comparator modes - Power mode
+ * @{
+ */
+#define LL_COMP_POWERMODE_HIGHSPEED ((uint32_t)0x00000000U) /*!< COMP power mode to high speed */
+#define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CSR_COMP1MODE_0) /*!< COMP power mode to medium speed */
+#define LL_COMP_POWERMODE_LOWPOWER (COMP_CSR_COMP1MODE_1) /*!< COMP power mode to low power */
+#define LL_COMP_POWERMODE_ULTRALOWPOWER (COMP_CSR_COMP1MODE_1 | COMP_CSR_COMP1MODE_0) /*!< COMP power mode to ultra-low power */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_INPUT_PLUS Comparator inputs - Input plus (input non-inverting) selection
+ * @{
+ */
+#define LL_COMP_INPUT_PLUS_IO1 ((uint32_t)0x00000000U) /*!< Comparator input plus connected to IO1 (pin PA1 for COMP1, pin PA3 for COMP2) */
+#define LL_COMP_INPUT_PLUS_DAC1_CH1 (COMP_CSR_COMP1SW1) /*!< Comparator input plus connected to DAC1 channel 1 (DAC_OUT1), through dedicated switch (Note: this switch is solely intended to redirect signals onto high impedance input, such as COMP1 input plus (highly resistive switch)) (specific to COMP instance: COMP1) */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_INPUT_MINUS Comparator inputs - Input minus (input inverting) selection
+ * @{
+ */
+#define LL_COMP_INPUT_MINUS_1_4VREFINT ((uint32_t)0x00000000U) /*!< Comparator input minus connected to 1/4 VrefInt */
+#define LL_COMP_INPUT_MINUS_1_2VREFINT ( COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to 1/2 VrefInt */
+#define LL_COMP_INPUT_MINUS_3_4VREFINT ( COMP_CSR_COMP1INSEL_1 ) /*!< Comparator input minus connected to 3/4 VrefInt */
+#define LL_COMP_INPUT_MINUS_VREFINT ( COMP_CSR_COMP1INSEL_1 | COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to VrefInt */
+#define LL_COMP_INPUT_MINUS_DAC1_CH1 (COMP_CSR_COMP1INSEL_2 ) /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */
+#define LL_COMP_INPUT_MINUS_DAC1_CH2 (COMP_CSR_COMP1INSEL_2 | COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to DAC1 channel 2 (DAC_OUT2) */
+#define LL_COMP_INPUT_MINUS_IO1 (COMP_CSR_COMP1INSEL_2 | COMP_CSR_COMP1INSEL_1 ) /*!< Comparator input minus connected to IO1 (pin PA0 for COMP1, pin PA2 for COMP2) */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_INPUT_HYSTERESIS Comparator input - Hysteresis
+ * @{
+ */
+#define LL_COMP_HYSTERESIS_NONE ((uint32_t)0x00000000U) /*!< No hysteresis */
+#define LL_COMP_HYSTERESIS_LOW ( COMP_CSR_COMP1HYST_0) /*!< Hysteresis level low */
+#define LL_COMP_HYSTERESIS_MEDIUM (COMP_CSR_COMP1HYST_1 ) /*!< Hysteresis level medium */
+#define LL_COMP_HYSTERESIS_HIGH (COMP_CSR_COMP1HYST_1 | COMP_CSR_COMP1HYST_0) /*!< Hysteresis level high */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_OUTPUT_SELECTION Comparator output - Output selection
+ * @{
+ */
+/* Note: Output redirection is common for COMP1 and COMP2 */
+#define LL_COMP_OUTPUT_NONE ((uint32_t)0x00000000U) /*!< COMP output is not connected to other peripherals (except GPIO and EXTI that are always connected to COMP output) */
+#define LL_COMP_OUTPUT_TIM1_BKIN (COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 break input (BKIN) */
+#define LL_COMP_OUTPUT_TIM1_IC1 (COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM1 input capture 1 */
+#define LL_COMP_OUTPUT_TIM1_OCCLR (COMP_CSR_COMP1OUTSEL_1 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 OCREF clear */
+#define LL_COMP_OUTPUT_TIM2_IC4 (COMP_CSR_COMP1OUTSEL_2) /*!< COMP output connected to TIM2 input capture 4 */
+#define LL_COMP_OUTPUT_TIM2_OCCLR (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM2 OCREF clear */
+#define LL_COMP_OUTPUT_TIM3_IC1 (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM3 input capture 1 */
+#define LL_COMP_OUTPUT_TIM3_OCCLR (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_1 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM3 OCREF clear */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_OUTPUT_POLARITY Comparator output - Output polarity
+ * @{
+ */
+#define LL_COMP_OUTPUTPOL_NONINVERTED ((uint32_t)0x00000000U) /*!< COMP output polarity is not inverted: comparator output is high when the plus (non-inverting) input is at a higher voltage than the minus (inverting) input */
+#define LL_COMP_OUTPUTPOL_INVERTED (COMP_CSR_COMP1POL) /*!< COMP output polarity is inverted: comparator output is low when the plus (non-inverting) input is at a lower voltage than the minus (inverting) input */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_OUTPUT_LEVEL Comparator output - Output level
+ * @{
+ */
+#define LL_COMP_OUTPUT_LEVEL_LOW ((uint32_t)0x00000000U) /*!< Comparator output level low (if the polarity is not inverted, otherwise to be complemented) */
+#define LL_COMP_OUTPUT_LEVEL_HIGH ((uint32_t)0x00000001U) /*!< Comparator output level high (if the polarity is not inverted, otherwise to be complemented) */
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EC_HW_DELAYS Definitions of COMP hardware constraints delays
+ * @note Only COMP IP HW delays are defined in COMP LL driver driver,
+ * not timeout values.
+ * For details on delays values, refer to descriptions in source code
+ * above each literal definition.
+ * @{
+ */
+
+/* Delay for comparator startup time. */
+/* Note: Delay required to reach propagation delay specification. */
+/* Literal set to maximum value (refer to device datasheet, */
+/* parameter "tSTART"). */
+/* Unit: us */
+#define LL_COMP_DELAY_STARTUP_US ((uint32_t) 60U) /*!< Delay for COMP startup time */
+
+/* Delay for comparator voltage scaler stabilization time */
+/* (voltage from VrefInt, delay based on VrefInt startup time). */
+/* Literal set to maximum value (refer to device datasheet, */
+/* parameter "tS_SC"). */
+/* Unit: us */
+#define LL_COMP_DELAY_VOLTAGE_SCALER_STAB_US ((uint32_t) 200U) /*!< Delay for COMP voltage scaler stabilization time */
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup COMP_LL_Exported_Macros COMP Exported Macros
+ * @{
+ */
+/** @defgroup COMP_LL_EM_WRITE_READ Common write and read registers macro
+ * @{
+ */
+
+/**
+ * @brief Write a value in COMP register
+ * @param __INSTANCE__ comparator instance
+ * @param __REG__ Register to be written
+ * @param __VALUE__ Value to be written in the register
+ * @retval None
+ */
+#define LL_COMP_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
+
+/**
+ * @brief Read a value in COMP register
+ * @param __INSTANCE__ comparator instance
+ * @param __REG__ Register to be read
+ * @retval Register value
+ */
+#define LL_COMP_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EM_HELPER_MACRO COMP helper macro
+ * @{
+ */
+
+/**
+ * @brief Helper macro to select the COMP common instance
+ * to which is belonging the selected COMP instance.
+ * @note COMP common register instance can be used to
+ * set parameters common to several COMP instances.
+ * Refer to functions having argument "COMPxy_COMMON" as parameter.
+ * @param __COMPx__ COMP instance
+ * @retval COMP common instance or value "0" if there is no COMP common instance.
+ */
+#define __LL_COMP_COMMON_INSTANCE(__COMPx__) \
+ (COMP12_COMMON)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup COMP_LL_Exported_Functions COMP Exported Functions
+ * @{
+ */
+
+/** @defgroup COMP_LL_EF_Configuration_comparator_common Configuration of COMP hierarchical scope: common to several COMP instances
+ * @{
+ */
+
+/**
+ * @brief Set window mode of a pair of comparators instances
+ * (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>).
+ * @rmtoll CSR WNDWEN LL_COMP_SetCommonWindowMode
+ * @param COMPxy_COMMON Comparator common instance
+ * (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() )
+ * @param WindowMode This parameter can be one of the following values:
+ * @arg @ref LL_COMP_WINDOWMODE_DISABLE
+ * @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_SetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON, uint32_t WindowMode)
+{
+ MODIFY_REG(COMPxy_COMMON->CSR, COMP_CSR_WNDWEN, WindowMode);
+}
+
+/**
+ * @brief Get window mode of a pair of comparators instances
+ * (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>).
+ * @rmtoll CSR WNDWEN LL_COMP_GetCommonWindowMode
+ * @param COMPxy_COMMON Comparator common instance
+ * (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() )
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_WINDOWMODE_DISABLE
+ * @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON
+ */
+__STATIC_INLINE uint32_t LL_COMP_GetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON)
+{
+ return (uint32_t)(READ_BIT(COMPxy_COMMON->CSR, COMP_CSR_WNDWEN));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EF_Configuration_comparator_modes Configuration of comparator modes
+ * @{
+ */
+
+/**
+ * @brief Set comparator instance operating mode to adjust power and speed.
+ * @rmtoll CSR COMP1MODE LL_COMP_SetPowerMode\n
+ * COMP2MODE LL_COMP_SetPowerMode
+ * @param COMPx Comparator instance
+ * @param PowerMode This parameter can be one of the following values:
+ * @arg @ref LL_COMP_POWERMODE_HIGHSPEED
+ * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED
+ * @arg @ref LL_COMP_POWERMODE_LOWPOWER
+ * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_SetPowerMode(COMP_TypeDef *COMPx, uint32_t PowerMode)
+{
+ MODIFY_REG(COMP->CSR,
+ COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx),
+ PowerMode << __COMP_BITOFFSET_INSTANCE(COMPx) );
+}
+
+/**
+ * @brief Get comparator instance operating mode to adjust power and speed.
+ * @rmtoll CSR COMP1MODE LL_COMP_GetPowerMode\n
+ * COMP2MODE LL_COMP_GetPowerMode
+ * @param COMPx Comparator instance
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_POWERMODE_HIGHSPEED
+ * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED
+ * @arg @ref LL_COMP_POWERMODE_LOWPOWER
+ * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER
+ */
+__STATIC_INLINE uint32_t LL_COMP_GetPowerMode(COMP_TypeDef *COMPx)
+{
+ return (uint32_t)(READ_BIT(COMP->CSR,
+ COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx))
+ >> __COMP_BITOFFSET_INSTANCE(COMPx)
+ );
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EF_Configuration_comparator_inputs Configuration of comparator inputs
+ * @{
+ */
+
+/**
+ * @brief Set comparator inputs minus (inverting) and plus (non-inverting).
+ * @note In case of comparator input selected to be connected to IO:
+ * GPIO pins are specific to each comparator instance.
+ * Refer to description of parameters or to reference manual.
+ * @rmtoll CSR COMP1INSEL LL_COMP_ConfigInputs\n
+ * CSR COMP2INSEL LL_COMP_ConfigInputs\n
+ * CSR COMP1SW1 LL_COMP_ConfigInputs
+ * @param COMPx Comparator instance
+ * @param InputMinus This parameter can be one of the following values:
+ * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1
+ * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2
+ * @arg @ref LL_COMP_INPUT_MINUS_IO1
+ * @param InputPlus This parameter can be one of the following values:
+ * @arg @ref LL_COMP_INPUT_PLUS_IO1
+ * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1)
+ *
+ * (1) Parameter available only on COMP instance: COMP1.
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputMinus, uint32_t InputPlus)
+{
+ /* Note: Connection switch is applicable only to COMP instance COMP1, */
+ /* therefore if COMP2 is selected the equivalent bit is */
+ /* kept unmodified. */
+ MODIFY_REG(COMP->CSR,
+ (COMP_CSR_COMP1INSEL | (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx))) << __COMP_BITOFFSET_INSTANCE(COMPx),
+ (InputMinus | InputPlus) << __COMP_BITOFFSET_INSTANCE(COMPx) );
+}
+
+/**
+ * @brief Set comparator input plus (non-inverting).
+ * @note In case of comparator input selected to be connected to IO:
+ * GPIO pins are specific to each comparator instance.
+ * Refer to description of parameters or to reference manual.
+ * @rmtoll CSR COMP1INSEL LL_COMP_SetInputPlus\n
+ * CSR COMP2INSEL LL_COMP_SetInputPlus
+ * @param COMPx Comparator instance
+ * @param InputPlus This parameter can be one of the following values:
+ * @arg @ref LL_COMP_INPUT_PLUS_IO1
+ * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1)
+ *
+ * (1) Parameter available only on COMP instance: COMP1.
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_SetInputPlus(COMP_TypeDef *COMPx, uint32_t InputPlus)
+{
+ /* Note: Connection switch is applicable only to COMP instance COMP1, */
+ /* therefore if COMP2 is selected the equivalent bit is */
+ /* kept unmodified. */
+ MODIFY_REG(COMP->CSR,
+ (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx)) << __COMP_BITOFFSET_INSTANCE(COMPx),
+ InputPlus << __COMP_BITOFFSET_INSTANCE(COMPx) );
+}
+
+/**
+ * @brief Get comparator input plus (non-inverting).
+ * @note In case of comparator input selected to be connected to IO:
+ * GPIO pins are specific to each comparator instance.
+ * Refer to description of parameters or to reference manual.
+ * @rmtoll CSR COMP1INSEL LL_COMP_GetInputPlus\n
+ * CSR COMP2INSEL LL_COMP_GetInputPlus
+ * @param COMPx Comparator instance
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_INPUT_PLUS_IO1
+ * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1)
+ *
+ * (1) Parameter available only on COMP instance: COMP1.
+ */
+__STATIC_INLINE uint32_t LL_COMP_GetInputPlus(COMP_TypeDef *COMPx)
+{
+ /* Note: Connection switch is applicable only to COMP instance COMP1, */
+ /* therefore is COMP2 is selected the returned value will be null. */
+ return (uint32_t)(READ_BIT(COMP->CSR,
+ COMP_CSR_COMP1SW1 << __COMP_BITOFFSET_INSTANCE(COMPx))
+ >> __COMP_BITOFFSET_INSTANCE(COMPx)
+ );
+}
+
+/**
+ * @brief Set comparator input minus (inverting).
+ * @note In case of comparator input selected to be connected to IO:
+ * GPIO pins are specific to each comparator instance.
+ * Refer to description of parameters or to reference manual.
+ * @rmtoll CSR COMP1SW1 LL_COMP_SetInputMinus
+ * @param COMPx Comparator instance
+ * @param InputMinus This parameter can be one of the following values:
+ * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1
+ * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2
+ * @arg @ref LL_COMP_INPUT_MINUS_IO1
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_SetInputMinus(COMP_TypeDef *COMPx, uint32_t InputMinus)
+{
+ MODIFY_REG(COMP->CSR,
+ COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx),
+ InputMinus << __COMP_BITOFFSET_INSTANCE(COMPx) );
+}
+
+/**
+ * @brief Get comparator input minus (inverting).
+ * @note In case of comparator input selected to be connected to IO:
+ * GPIO pins are specific to each comparator instance.
+ * Refer to description of parameters or to reference manual.
+ * @rmtoll CSR COMP1SW1 LL_COMP_GetInputMinus
+ * @param COMPx Comparator instance
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_VREFINT
+ * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1
+ * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2
+ * @arg @ref LL_COMP_INPUT_MINUS_IO1
+ */
+__STATIC_INLINE uint32_t LL_COMP_GetInputMinus(COMP_TypeDef *COMPx)
+{
+ return (uint32_t)(READ_BIT(COMP->CSR,
+ COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx))
+ >> __COMP_BITOFFSET_INSTANCE(COMPx)
+ );
+}
+
+/**
+ * @brief Set comparator instance hysteresis mode of the input minus (inverting input).
+ * @rmtoll CSR COMP1HYST LL_COMP_SetInputHysteresis\n
+ * COMP2HYST LL_COMP_SetInputHysteresis
+ * @param COMPx Comparator instance
+ * @param InputHysteresis This parameter can be one of the following values:
+ * @arg @ref LL_COMP_HYSTERESIS_NONE
+ * @arg @ref LL_COMP_HYSTERESIS_LOW
+ * @arg @ref LL_COMP_HYSTERESIS_MEDIUM
+ * @arg @ref LL_COMP_HYSTERESIS_HIGH
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_SetInputHysteresis(COMP_TypeDef *COMPx, uint32_t InputHysteresis)
+{
+ MODIFY_REG(COMP->CSR,
+ COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx),
+ InputHysteresis << __COMP_BITOFFSET_INSTANCE(COMPx) );
+}
+
+/**
+ * @brief Get comparator instance hysteresis mode of the minus (inverting) input.
+ * @rmtoll CSR COMP1HYST LL_COMP_GetInputHysteresis\n
+ * COMP2HYST LL_COMP_GetInputHysteresis
+ * @param COMPx Comparator instance
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_HYSTERESIS_NONE
+ * @arg @ref LL_COMP_HYSTERESIS_LOW
+ * @arg @ref LL_COMP_HYSTERESIS_MEDIUM
+ * @arg @ref LL_COMP_HYSTERESIS_HIGH
+ */
+__STATIC_INLINE uint32_t LL_COMP_GetInputHysteresis(COMP_TypeDef *COMPx)
+{
+ return (uint32_t)(READ_BIT(COMP->CSR,
+ COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx))
+ >> __COMP_BITOFFSET_INSTANCE(COMPx)
+ );
+
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EF_Configuration_comparator_output Configuration of comparator output
+ * @{
+ */
+
+/**
+ * @brief Set comparator output selection.
+ * @note Availability of parameters of output selection to timer
+ * depends on timers availability on the selected device.
+ * @rmtoll CSR COMP1OUTSEL LL_COMP_SetOutputSelection\n
+ * COMP2OUTSEL LL_COMP_SetOutputSelection
+ * @param COMPx Comparator instance
+ * @param OutputSelection This parameter can be one of the following values:
+ * @arg @ref LL_COMP_OUTPUT_NONE
+ * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1)
+ *
+ * (1) Parameter availability depending on timer availability
+ * on the selected device.
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_SetOutputSelection(COMP_TypeDef *COMPx, uint32_t OutputSelection)
+{
+ MODIFY_REG(COMP->CSR,
+ COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx),
+ OutputSelection << __COMP_BITOFFSET_INSTANCE(COMPx) );
+}
+
+/**
+ * @brief Get comparator output selection.
+ * @note Availability of parameters of output selection to timer
+ * depends on timers availability on the selected device.
+ * @rmtoll CSR COMP1OUTSEL LL_COMP_GetOutputSelection\n
+ * COMP2OUTSEL LL_COMP_GetOutputSelection
+ * @param COMPx Comparator instance
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_OUTPUT_NONE
+ * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1)
+ * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1)
+ *
+ * (1) Parameter availability depending on timer availability
+ * on the selected device.
+ */
+__STATIC_INLINE uint32_t LL_COMP_GetOutputSelection(COMP_TypeDef *COMPx)
+{
+ return (uint32_t)(READ_BIT(COMP->CSR,
+ COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx))
+ >> __COMP_BITOFFSET_INSTANCE(COMPx)
+ );
+}
+
+/**
+ * @brief Set comparator instance output polarity.
+ * @rmtoll CSR COMP1POL LL_COMP_SetOutputPolarity\n
+ * COMP2POL LL_COMP_SetOutputPolarity
+ * @param COMPx Comparator instance
+ * @param OutputPolarity This parameter can be one of the following values:
+ * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED
+ * @arg @ref LL_COMP_OUTPUTPOL_INVERTED
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_SetOutputPolarity(COMP_TypeDef *COMPx, uint32_t OutputPolarity)
+{
+ MODIFY_REG(COMP->CSR,
+ COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx),
+ OutputPolarity << __COMP_BITOFFSET_INSTANCE(COMPx) );
+}
+
+/**
+ * @brief Get comparator instance output polarity.
+ * @rmtoll CSR COMP1POL LL_COMP_GetOutputPolarity\n
+ * COMP2POL LL_COMP_GetOutputPolarity
+ * @param COMPx Comparator instance
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED
+ * @arg @ref LL_COMP_OUTPUTPOL_INVERTED
+ */
+__STATIC_INLINE uint32_t LL_COMP_GetOutputPolarity(COMP_TypeDef *COMPx)
+{
+ return (uint32_t)(READ_BIT(COMP->CSR,
+ COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx))
+ >> __COMP_BITOFFSET_INSTANCE(COMPx)
+ );
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup COMP_LL_EF_Operation Operation on comparator instance
+ * @{
+ */
+
+/**
+ * @brief Enable comparator instance.
+ * @note After enable from off state, comparator requires a delay
+ * to reach reach propagation delay specification.
+ * Refer to device datasheet, parameter "tSTART".
+ * @rmtoll CSR COMP1EN LL_COMP_Enable\n
+ * COMP2EN LL_COMP_Enable
+ * @param COMPx Comparator instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_Enable(COMP_TypeDef *COMPx)
+{
+ SET_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx));
+}
+
+/**
+ * @brief Disable comparator instance.
+ * @rmtoll CSR COMP1EN LL_COMP_Disable\n
+ * COMP2EN LL_COMP_Disable
+ * @param COMPx Comparator instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_Disable(COMP_TypeDef *COMPx)
+{
+ CLEAR_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx));
+}
+
+/**
+ * @brief Get comparator enable state
+ * (0: COMP is disabled, 1: COMP is enabled)
+ * @rmtoll CSR COMP1EN LL_COMP_IsEnabled\n
+ * COMP2EN LL_COMP_IsEnabled
+ * @param COMPx Comparator instance
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_COMP_IsEnabled(COMP_TypeDef *COMPx)
+{
+ return (READ_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx));
+}
+
+/**
+ * @brief Lock comparator instance.
+ * @note Once locked, comparator configuration can be accessed in read-only.
+ * @note The only way to unlock the comparator is a device hardware reset.
+ * @rmtoll CSR COMP1LOCK LL_COMP_Lock\n
+ * COMP2LOCK LL_COMP_Lock
+ * @param COMPx Comparator instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_COMP_Lock(COMP_TypeDef *COMPx)
+{
+ SET_BIT(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx));
+}
+
+/**
+ * @brief Get comparator lock state
+ * (0: COMP is unlocked, 1: COMP is locked).
+ * @note Once locked, comparator configuration can be accessed in read-only.
+ * @note The only way to unlock the comparator is a device hardware reset.
+ * @rmtoll CSR COMP1LOCK LL_COMP_IsLocked\n
+ * COMP2LOCK LL_COMP_IsLocked
+ * @param COMPx Comparator instance
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_COMP_IsLocked(COMP_TypeDef *COMPx)
+{
+ return (READ_BIT(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx));
+}
+
+/**
+ * @brief Read comparator instance output level.
+ * @note The comparator output level depends on the selected polarity
+ * (Refer to function @ref LL_COMP_SetOutputPolarity()).
+ * If the comparator polarity is not inverted:
+ * - Comparator output is low when the input plus
+ * is at a lower voltage than the input minus
+ * - Comparator output is high when the input plus
+ * is at a higher voltage than the input minus
+ * If the comparator polarity is inverted:
+ * - Comparator output is high when the input plus
+ * is at a lower voltage than the input minus
+ * - Comparator output is low when the input plus
+ * is at a higher voltage than the input minus
+ * @rmtoll CSR COMP1OUT LL_COMP_ReadOutputLevel\n
+ * COMP2OUT LL_COMP_ReadOutputLevel
+ * @param COMPx Comparator instance
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_COMP_OUTPUT_LEVEL_LOW
+ * @arg @ref LL_COMP_OUTPUT_LEVEL_HIGH
+ */
+__STATIC_INLINE uint32_t LL_COMP_ReadOutputLevel(COMP_TypeDef *COMPx)
+{
+ return (uint32_t)(READ_BIT(COMP->CSR,
+ COMP_CSR_COMP1OUT << __COMP_BITOFFSET_INSTANCE(COMPx))
+ >> (__COMP_BITOFFSET_INSTANCE(COMPx) + LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS)
+ );
+}
+
+/**
+ * @}
+ */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup COMP_LL_EF_Init Initialization and de-initialization functions
+ * @{
+ */
+
+ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx);
+ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct);
+void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct);
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* COMP1 || COMP2 */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_LL_COMP_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
