Eric Lewiston / STM32L4xx_HAL_Driver

Hal Drivers for L4

Dependents:   BSP OneHopeOnePrayer FINAL_AUDIO_RECORD AudioDemo

Fork of STM32L4xx_HAL_Driver by Senior Design: Sound Monitor

Inc/stm32l4xx_ll_comp.h@2:7aef7655b0a8, 2015-11-25 (annotated)

Committer:
EricLew
Date:
Wed Nov 25 17:30:43 2015 +0000
Revision:
2:7aef7655b0a8
Parent:
0:80ee8f3b695e 
commit;

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EricLew 0:80ee8f3b695e 1 /**
EricLew 0:80ee8f3b695e 2 ******************************************************************************
EricLew 0:80ee8f3b695e 3 * @file stm32l4xx_ll_comp.h
EricLew 0:80ee8f3b695e 4 * @author MCD Application Team
EricLew 0:80ee8f3b695e 5 * @version V1.1.0
EricLew 0:80ee8f3b695e 6 * @date 16-September-2015
EricLew 0:80ee8f3b695e 7 * @brief Header file of COMP LL module.
EricLew 0:80ee8f3b695e 8 ******************************************************************************
EricLew 0:80ee8f3b695e 9 * @attention
EricLew 0:80ee8f3b695e 10 *
EricLew 0:80ee8f3b695e 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
EricLew 0:80ee8f3b695e 12 *
EricLew 0:80ee8f3b695e 13 * Redistribution and use in source and binary forms, with or without modification,
EricLew 0:80ee8f3b695e 14 * are permitted provided that the following conditions are met:
EricLew 0:80ee8f3b695e 15 * 1. Redistributions of source code must retain the above copyright notice,
EricLew 0:80ee8f3b695e 16 * this list of conditions and the following disclaimer.
EricLew 0:80ee8f3b695e 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
EricLew 0:80ee8f3b695e 18 * this list of conditions and the following disclaimer in the documentation
EricLew 0:80ee8f3b695e 19 * and/or other materials provided with the distribution.
EricLew 0:80ee8f3b695e 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
EricLew 0:80ee8f3b695e 21 * may be used to endorse or promote products derived from this software
EricLew 0:80ee8f3b695e 22 * without specific prior written permission.
EricLew 0:80ee8f3b695e 23 *
EricLew 0:80ee8f3b695e 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
EricLew 0:80ee8f3b695e 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
EricLew 0:80ee8f3b695e 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
EricLew 0:80ee8f3b695e 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
EricLew 0:80ee8f3b695e 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
EricLew 0:80ee8f3b695e 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
EricLew 0:80ee8f3b695e 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
EricLew 0:80ee8f3b695e 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
EricLew 0:80ee8f3b695e 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
EricLew 0:80ee8f3b695e 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
EricLew 0:80ee8f3b695e 34 *
EricLew 0:80ee8f3b695e 35 ******************************************************************************
EricLew 0:80ee8f3b695e 36 */
EricLew 0:80ee8f3b695e 37
EricLew 0:80ee8f3b695e 38 /* Define to prevent recursive inclusion -------------------------------------*/
EricLew 0:80ee8f3b695e 39 #ifndef __STM32L4xx_LL_COMP_H
EricLew 0:80ee8f3b695e 40 #define __STM32L4xx_LL_COMP_H
EricLew 0:80ee8f3b695e 41
EricLew 0:80ee8f3b695e 42 #ifdef __cplusplus
EricLew 0:80ee8f3b695e 43 extern "C" {
EricLew 0:80ee8f3b695e 44 #endif
EricLew 0:80ee8f3b695e 45
EricLew 0:80ee8f3b695e 46 /* Includes ------------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 47 #include "stm32l4xx.h"
EricLew 0:80ee8f3b695e 48
EricLew 0:80ee8f3b695e 49 /** @addtogroup STM32L4xx_LL_Driver
EricLew 0:80ee8f3b695e 50 * @{
EricLew 0:80ee8f3b695e 51 */
EricLew 0:80ee8f3b695e 52
EricLew 0:80ee8f3b695e 53 #if defined (COMP1) || defined (COMP2)
EricLew 0:80ee8f3b695e 54
EricLew 0:80ee8f3b695e 55 /** @defgroup COMP_LL COMP
EricLew 0:80ee8f3b695e 56 * @{
EricLew 0:80ee8f3b695e 57 */
EricLew 0:80ee8f3b695e 58
EricLew 0:80ee8f3b695e 59 /* Private types -------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 60 /* Private variables ---------------------------------------------------------*/
EricLew 0:80ee8f3b695e 61
EricLew 0:80ee8f3b695e 62 /* Private constants ---------------------------------------------------------*/
EricLew 0:80ee8f3b695e 63
EricLew 0:80ee8f3b695e 64 /* Private macros ------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 65
EricLew 0:80ee8f3b695e 66 /* Exported types ------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 67 /* Exported constants --------------------------------------------------------*/
EricLew 0:80ee8f3b695e 68
EricLew 0:80ee8f3b695e 69 /** @defgroup COMP_LL_Exported_Constants COMP Exported Constants
EricLew 0:80ee8f3b695e 70 * @{
EricLew 0:80ee8f3b695e 71 */
EricLew 0:80ee8f3b695e 72
EricLew 0:80ee8f3b695e 73
EricLew 0:80ee8f3b695e 74 /** @defgroup COMP_LL_EC_POWERMODE POWERMODE
EricLew 0:80ee8f3b695e 75 * @{
EricLew 0:80ee8f3b695e 76 */
EricLew 0:80ee8f3b695e 77 #define LL_COMP_POWERMODE_HIGHSPEED ((uint32_t)0x00000000) /*!< High speed */
EricLew 0:80ee8f3b695e 78 #define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CSR_PWRMODE_0) /*!< Medium speed */
EricLew 0:80ee8f3b695e 79 #define LL_COMP_POWERMODE_ULTRALOWPOWER (COMP_CSR_PWRMODE_1 | COMP_CSR_PWRMODE_0) /*!< Ultra-low power mode */
EricLew 0:80ee8f3b695e 80 /**
EricLew 0:80ee8f3b695e 81 * @}
EricLew 0:80ee8f3b695e 82 */
EricLew 0:80ee8f3b695e 83
EricLew 0:80ee8f3b695e 84 /** @defgroup COMP_LL_EC_WINDOWMODE WINDOWMODE
EricLew 0:80ee8f3b695e 85 * @{
EricLew 0:80ee8f3b695e 86 */
EricLew 0:80ee8f3b695e 87 #define LL_COMP_WINDOWMODE_DISABLE ((uint32_t)0x00000000) /*!< Window mode disable: Comparators 1 and 2 are independent (no input connection) */
EricLew 0:80ee8f3b695e 88 #define LL_COMP_WINDOWMODE_ENABLE (COMP_CSR_WINMODE) /*!< Window mode enable: Comparators 1 and 2 have their input non-inverting connected together. The common input to be used is the one of COMP2, COMP1 non-inverting input is no more accessible. */
EricLew 0:80ee8f3b695e 89 /**
EricLew 0:80ee8f3b695e 90 * @}
EricLew 0:80ee8f3b695e 91 */
EricLew 0:80ee8f3b695e 92
EricLew 0:80ee8f3b695e 93 /** @defgroup COMP_LL_EC_INVERTINGINPUT INVERTINGINPUT
EricLew 0:80ee8f3b695e 94 * @{
EricLew 0:80ee8f3b695e 95 */
EricLew 0:80ee8f3b695e 96 #define LL_COMP_INVERTINGINPUT_1_4VREFINT ( COMP_CSR_SCALEN | COMP_CSR_BRGEN) /*!< 1/4 VREFINT connected to comparator inverting input */
EricLew 0:80ee8f3b695e 97 #define LL_COMP_INVERTINGINPUT_1_2VREFINT ( COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN | COMP_CSR_BRGEN) /*!< 1/2 VREFINT connected to comparator inverting input */
EricLew 0:80ee8f3b695e 98 #define LL_COMP_INVERTINGINPUT_3_4VREFINT ( COMP_CSR_INMSEL_1 | COMP_CSR_SCALEN | COMP_CSR_BRGEN) /*!< 3/4 VREFINT connected to comparator inverting input */
EricLew 0:80ee8f3b695e 99 #define LL_COMP_INVERTINGINPUT_VREFINT ( COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN ) /*!< VREFINT connected to comparator1 inverting input */
EricLew 0:80ee8f3b695e 100 #define LL_COMP_INVERTINGINPUT_DAC1 (COMP_CSR_INMSEL_2 ) /*!< DAC_OUT1 connected to comparator inverting input */
EricLew 0:80ee8f3b695e 101 #define LL_COMP_INVERTINGINPUT_DAC2 (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_0) /*!< DAC_OUT2 connected to comparator inverting input */
EricLew 0:80ee8f3b695e 102 #define LL_COMP_INVERTINGINPUT_IO1 (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 ) /*!< IO1 connected to comparator inverting input. On STM32L4: pin PB1 for COMP1, pin PB3 for COMP2. */
EricLew 0:80ee8f3b695e 103 #define LL_COMP_INVERTINGINPUT_IO2 (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< IO2 connected to comparator inverting input. On STM32L4: pin PC4 for COMP1, pin PB7 for COMP2. */
EricLew 0:80ee8f3b695e 104 /**
EricLew 0:80ee8f3b695e 105 * @}
EricLew 0:80ee8f3b695e 106 */
EricLew 0:80ee8f3b695e 107
EricLew 0:80ee8f3b695e 108 /** @defgroup COMP_LL_EC_NONINVERTINGINPUT NONINVERTINGINPUT
EricLew 0:80ee8f3b695e 109 * @{
EricLew 0:80ee8f3b695e 110 */
EricLew 0:80ee8f3b695e 111 #define LL_COMP_NONINVERTINGINPUT_IO1 ((uint32_t)0x00000000) /*!< IO1 connected to comparator non inverting input. On STM32L4: pin PC5 for COMP1, pin PB4 for COMP2. */
EricLew 0:80ee8f3b695e 112 #define LL_COMP_NONINVERTINGINPUT_IO2 (COMP_CSR_INPSEL) /*!< IO2 connected to comparator non inverting input. On STM32L4: pin PB2 for COMP1, pin PB6 for COMP2. */
EricLew 0:80ee8f3b695e 113 /**
EricLew 0:80ee8f3b695e 114 * @}
EricLew 0:80ee8f3b695e 115 */
EricLew 0:80ee8f3b695e 116
EricLew 0:80ee8f3b695e 117 /** @defgroup COMP_LL_EC_HYSTERESIS HYSTERESIS
EricLew 0:80ee8f3b695e 118 * @{
EricLew 0:80ee8f3b695e 119 */
EricLew 0:80ee8f3b695e 120 #define LL_COMP_HYSTERESIS_NONE ((uint32_t)0x00000000) /*!< No hysteresis */
EricLew 0:80ee8f3b695e 121 #define LL_COMP_HYSTERESIS_LOW ( COMP_CSR_HYST_0) /*!< Hysteresis level low */
EricLew 0:80ee8f3b695e 122 #define LL_COMP_HYSTERESIS_MEDIUM (COMP_CSR_HYST_1 ) /*!< Hysteresis level medium */
EricLew 0:80ee8f3b695e 123 #define LL_COMP_HYSTERESIS_HIGH (COMP_CSR_HYST_1 | COMP_CSR_HYST_0) /*!< Hysteresis level high */
EricLew 0:80ee8f3b695e 124 /**
EricLew 0:80ee8f3b695e 125 * @}
EricLew 0:80ee8f3b695e 126 */
EricLew 0:80ee8f3b695e 127
EricLew 0:80ee8f3b695e 128 /** @defgroup COMP_LL_EC_OUTPUTPOL OUTPUTPOL
EricLew 0:80ee8f3b695e 129 * @{
EricLew 0:80ee8f3b695e 130 */
EricLew 0:80ee8f3b695e 131 #define LL_COMP_OUTPUTPOL_NONINVERTED ((uint32_t)0x00000000) /*!< COMP output polarity is not inverted: comparator output is high when the non-inverting input is at a higher voltage than the inverting input */
EricLew 0:80ee8f3b695e 132 #define LL_COMP_OUTPUTPOL_INVERTED (COMP_CSR_POLARITY) /*!< COMP output polarity is inverted: comparator output is low when the non-inverting input is at a lower voltage than the inverting input */
EricLew 0:80ee8f3b695e 133 /**
EricLew 0:80ee8f3b695e 134 * @}
EricLew 0:80ee8f3b695e 135 */
EricLew 0:80ee8f3b695e 136
EricLew 0:80ee8f3b695e 137 /** @defgroup COMP_LL_EC_BLANKINGSRC BLANKINGSRC
EricLew 0:80ee8f3b695e 138 * @{
EricLew 0:80ee8f3b695e 139 */
EricLew 0:80ee8f3b695e 140 #define LL_COMP_BLANKINGSRC_NONE ((uint32_t)0x00000000) /*!< No blanking source */
EricLew 0:80ee8f3b695e 141 #define LL_COMP_BLANKINGSRC_TIM1_OC5 (COMP_CSR_BLANKING_0) /*!< Blanking source for COMP1: TIM1 OC5 selected as blanking source for comparator */
EricLew 0:80ee8f3b695e 142 #define LL_COMP_BLANKINGSRC_TIM2_OC3 (COMP_CSR_BLANKING_1) /*!< Blanking source for COMP1: TIM2 OC3 selected as blanking source for comparator */
EricLew 0:80ee8f3b695e 143 #define LL_COMP_BLANKINGSRC_TIM3_OC3 (COMP_CSR_BLANKING_2) /*!< Blanking source for COMP1: TIM3 OC3 selected as blanking source for compartor */
EricLew 0:80ee8f3b695e 144 #define LL_COMP_BLANKINGSRC_TIM3_OC4 (COMP_CSR_BLANKING_0) /*!< Blanking source for COMP2: TIM3 OC4 selected as blanking source for comparator */
EricLew 0:80ee8f3b695e 145 #define LL_COMP_BLANKINGSRC_TIM8_OC5 (COMP_CSR_BLANKING_1) /*!< Blanking source for COMP2: TIM8 OC5 selected as blanking source for comparator */
EricLew 0:80ee8f3b695e 146 #define LL_COMP_BLANKINGSRC_TIM15_OC1 (COMP_CSR_BLANKING_2) /*!< Blanking source for COMP2: TIM15 OC1 selected as blanking source for comparator */
EricLew 0:80ee8f3b695e 147 /**
EricLew 0:80ee8f3b695e 148 * @}
EricLew 0:80ee8f3b695e 149 */
EricLew 0:80ee8f3b695e 150
EricLew 0:80ee8f3b695e 151 /** @defgroup COMP_LL_EC_OUTPUT_LEVEL OUTPUT LEVEL
EricLew 0:80ee8f3b695e 152 * @{
EricLew 0:80ee8f3b695e 153 */
EricLew 0:80ee8f3b695e 154 #define LL_COMP_OUTPUT_LEVEL_LOW (0x00000000) /*!< Comparator output level low (if the polarity is not inverted, otherwise to be complemented) */
EricLew 0:80ee8f3b695e 155 #define LL_COMP_OUTPUT_LEVEL_HIGH (COMP_CSR_VALUE) /*!< Comparator output level high (if the polarity is not inverted, otherwise to be complemented) */
EricLew 0:80ee8f3b695e 156 /**
EricLew 0:80ee8f3b695e 157 * @}
EricLew 0:80ee8f3b695e 158 */
EricLew 0:80ee8f3b695e 159
EricLew 0:80ee8f3b695e 160 /**
EricLew 0:80ee8f3b695e 161 * @}
EricLew 0:80ee8f3b695e 162 */
EricLew 0:80ee8f3b695e 163
EricLew 0:80ee8f3b695e 164 /* Exported macro ------------------------------------------------------------*/
EricLew 0:80ee8f3b695e 165 /** @defgroup COMP_LL_Exported_Macros COMP Exported Macros
EricLew 0:80ee8f3b695e 166 * @{
EricLew 0:80ee8f3b695e 167 */
EricLew 0:80ee8f3b695e 168 /** @defgroup COMP_LL_EM_WRITE_READ Common Write and read registers macro
EricLew 0:80ee8f3b695e 169 * @{
EricLew 0:80ee8f3b695e 170 */
EricLew 0:80ee8f3b695e 171 /**
EricLew 0:80ee8f3b695e 172 * @brief Write a value in COMP register
EricLew 0:80ee8f3b695e 173 * @param __INSTANCE__ comparator instance
EricLew 0:80ee8f3b695e 174 * @param __REG__ Register to be written
EricLew 0:80ee8f3b695e 175 * @param __VALUE__ Value to be written in the register
EricLew 0:80ee8f3b695e 176 * @retval None
EricLew 0:80ee8f3b695e 177 */
EricLew 0:80ee8f3b695e 178 #define LL_COMP_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
EricLew 0:80ee8f3b695e 179
EricLew 0:80ee8f3b695e 180 /**
EricLew 0:80ee8f3b695e 181 * @brief Read a value in COMP register
EricLew 0:80ee8f3b695e 182 * @param __INSTANCE__ comparator instance
EricLew 0:80ee8f3b695e 183 * @param __REG__ Register to be read
EricLew 0:80ee8f3b695e 184 * @retval Register value
EricLew 0:80ee8f3b695e 185 */
EricLew 0:80ee8f3b695e 186 #define LL_COMP_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
EricLew 0:80ee8f3b695e 187 /**
EricLew 0:80ee8f3b695e 188 * @}
EricLew 0:80ee8f3b695e 189 */
EricLew 0:80ee8f3b695e 190
EricLew 0:80ee8f3b695e 191
EricLew 0:80ee8f3b695e 192 /**
EricLew 0:80ee8f3b695e 193 * @}
EricLew 0:80ee8f3b695e 194 */
EricLew 0:80ee8f3b695e 195
EricLew 0:80ee8f3b695e 196 /* Exported functions --------------------------------------------------------*/
EricLew 0:80ee8f3b695e 197 /** @defgroup COMP_LL_Exported_Functions COMP Exported Functions
EricLew 0:80ee8f3b695e 198 * @{
EricLew 0:80ee8f3b695e 199 */
EricLew 0:80ee8f3b695e 200 /** @defgroup COMP_LL_EF_Configuration_comparator_modes Configuration of comparator modes
EricLew 0:80ee8f3b695e 201 * @{
EricLew 0:80ee8f3b695e 202 */
EricLew 0:80ee8f3b695e 203 /**
EricLew 0:80ee8f3b695e 204 * @brief Set comparator instance operating mode to adjust power and speed.
EricLew 0:80ee8f3b695e 205 * @rmtoll CSR PWRMODE LL_COMP_SetPowerMode
EricLew 0:80ee8f3b695e 206 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 207 * @param PowerMode This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 208 * @arg @ref LL_COMP_POWERMODE_HIGHSPEED
EricLew 0:80ee8f3b695e 209 * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED
EricLew 0:80ee8f3b695e 210 * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER
EricLew 0:80ee8f3b695e 211 * @retval None
EricLew 0:80ee8f3b695e 212 */
EricLew 0:80ee8f3b695e 213 __STATIC_INLINE void LL_COMP_SetPowerMode(COMP_TypeDef *COMPx, uint32_t PowerMode)
EricLew 0:80ee8f3b695e 214 {
EricLew 0:80ee8f3b695e 215 MODIFY_REG(COMPx->CSR, COMP_CSR_PWRMODE, PowerMode);
EricLew 0:80ee8f3b695e 216 }
EricLew 0:80ee8f3b695e 217
EricLew 0:80ee8f3b695e 218 /**
EricLew 0:80ee8f3b695e 219 * @brief Get comparator instance operating mode to adjust power and speed.
EricLew 0:80ee8f3b695e 220 * @rmtoll CSR PWRMODE LL_COMP_GetPowerMode
EricLew 0:80ee8f3b695e 221 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 222 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 223 * @arg @ref LL_COMP_POWERMODE_HIGHSPEED
EricLew 0:80ee8f3b695e 224 * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED
EricLew 0:80ee8f3b695e 225 * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER
EricLew 0:80ee8f3b695e 226 */
EricLew 0:80ee8f3b695e 227 __STATIC_INLINE uint32_t LL_COMP_GetPowerMode(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 228 {
EricLew 0:80ee8f3b695e 229 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_PWRMODE));
EricLew 0:80ee8f3b695e 230 }
EricLew 0:80ee8f3b695e 231
EricLew 0:80ee8f3b695e 232 /**
EricLew 0:80ee8f3b695e 233 * @brief Set window mode of the comparators.
EricLew 0:80ee8f3b695e 234 * @rmtoll CSR WINMODE LL_COMP_SetWindowMode
EricLew 0:80ee8f3b695e 235 * @param COMPx Comparator instance.
EricLew 0:80ee8f3b695e 236 * On this STM32 family, window mode can be set only from COMP instance: COMP2.
EricLew 0:80ee8f3b695e 237 * @param WindowMode This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 238 * @arg @ref LL_COMP_WINDOWMODE_DISABLE
EricLew 0:80ee8f3b695e 239 * @arg @ref LL_COMP_WINDOWMODE_ENABLE
EricLew 0:80ee8f3b695e 240 * @retval None
EricLew 0:80ee8f3b695e 241 */
EricLew 0:80ee8f3b695e 242 __STATIC_INLINE void LL_COMP_SetWindowMode(COMP_TypeDef *COMPx, uint32_t WindowMode)
EricLew 0:80ee8f3b695e 243 {
EricLew 0:80ee8f3b695e 244 MODIFY_REG(COMPx->CSR, COMP_CSR_WINMODE, WindowMode);
EricLew 0:80ee8f3b695e 245 }
EricLew 0:80ee8f3b695e 246
EricLew 0:80ee8f3b695e 247 /**
EricLew 0:80ee8f3b695e 248 * @brief Get window mode of the comparators.
EricLew 0:80ee8f3b695e 249 * @rmtoll CSR WINMODE LL_COMP_GetWindowMode
EricLew 0:80ee8f3b695e 250 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 251 * On this STM32 family, window mode can be set only from COMP instance: COMP2.
EricLew 0:80ee8f3b695e 252 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 253 * @arg @ref LL_COMP_WINDOWMODE_DISABLE
EricLew 0:80ee8f3b695e 254 * @arg @ref LL_COMP_WINDOWMODE_ENABLE
EricLew 0:80ee8f3b695e 255 */
EricLew 0:80ee8f3b695e 256 __STATIC_INLINE uint32_t LL_COMP_GetWindowMode(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 257 {
EricLew 0:80ee8f3b695e 258 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_WINMODE));
EricLew 0:80ee8f3b695e 259 }
EricLew 0:80ee8f3b695e 260
EricLew 0:80ee8f3b695e 261 /**
EricLew 0:80ee8f3b695e 262 * @}
EricLew 0:80ee8f3b695e 263 */
EricLew 0:80ee8f3b695e 264
EricLew 0:80ee8f3b695e 265 /** @defgroup COMP_LL_EF_Configuration_comparator_inputs Configuration of comparator inputs
EricLew 0:80ee8f3b695e 266 * @{
EricLew 0:80ee8f3b695e 267 */
EricLew 0:80ee8f3b695e 268 /**
EricLew 0:80ee8f3b695e 269 * @brief Set COMP inputs inverting and non-inverting.
EricLew 0:80ee8f3b695e 270 * @note In case of comparator input selected to be connected to IO:
EricLew 0:80ee8f3b695e 271 * IP pins are specific to each comparator instance.
EricLew 0:80ee8f3b695e 272 * Refer to description of parameters or to reference manual.
EricLew 0:80ee8f3b695e 273 * @note On STM32L4, scaler bridge is configurable:
EricLew 0:80ee8f3b695e 274 * to optimize power consumption, this function enables the
EricLew 0:80ee8f3b695e 275 * voltage scaler bridge only when required (comparator input
EricLew 0:80ee8f3b695e 276 * based on VrefInt).
EricLew 0:80ee8f3b695e 277 * The scaler bridge is common for all comparator instances,
EricLew 0:80ee8f3b695e 278 * therefore if at least one of the comparator instance
EricLew 0:80ee8f3b695e 279 * is requiring the scaler bridge, it remains enabled.
EricLew 0:80ee8f3b695e 280 * @rmtoll CSR INMSEL LL_COMP_ConfigInputs\n
EricLew 0:80ee8f3b695e 281 * CSR INPSEL LL_COMP_ConfigInputs\n
EricLew 0:80ee8f3b695e 282 * CSR BRGEN LL_COMP_ConfigInputs\n
EricLew 0:80ee8f3b695e 283 * CSR SCALEN LL_COMP_ConfigInputs
EricLew 0:80ee8f3b695e 284 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 285 * @param InputInverting This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 286 * @arg @ref LL_COMP_INVERTINGINPUT_1_4VREFINT
EricLew 0:80ee8f3b695e 287 * @arg @ref LL_COMP_INVERTINGINPUT_1_2VREFINT
EricLew 0:80ee8f3b695e 288 * @arg @ref LL_COMP_INVERTINGINPUT_3_4VREFINT
EricLew 0:80ee8f3b695e 289 * @arg @ref LL_COMP_INVERTINGINPUT_VREFINT
EricLew 0:80ee8f3b695e 290 * @arg @ref LL_COMP_INVERTINGINPUT_DAC1
EricLew 0:80ee8f3b695e 291 * @arg @ref LL_COMP_INVERTINGINPUT_DAC2
EricLew 0:80ee8f3b695e 292 * @arg @ref LL_COMP_INVERTINGINPUT_IO1
EricLew 0:80ee8f3b695e 293 * @arg @ref LL_COMP_INVERTINGINPUT_IO2
EricLew 0:80ee8f3b695e 294 * @param InputNonInverting This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 295 * @arg @ref LL_COMP_NONINVERTINGINPUT_IO1
EricLew 0:80ee8f3b695e 296 * @arg @ref LL_COMP_NONINVERTINGINPUT_IO2
EricLew 0:80ee8f3b695e 297 * @retval None
EricLew 0:80ee8f3b695e 298 */
EricLew 0:80ee8f3b695e 299 __STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputInverting, uint32_t InputNonInverting)
EricLew 0:80ee8f3b695e 300 {
EricLew 0:80ee8f3b695e 301 MODIFY_REG(COMPx->CSR, COMP_CSR_INMSEL | COMP_CSR_INPSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN, InputInverting | InputNonInverting);
EricLew 0:80ee8f3b695e 302 }
EricLew 0:80ee8f3b695e 303
EricLew 0:80ee8f3b695e 304 /**
EricLew 0:80ee8f3b695e 305 * @brief Set COMP inputs non-inverting.
EricLew 0:80ee8f3b695e 306 * @note In case of comparator input selected to be connected to IO:
EricLew 0:80ee8f3b695e 307 * IP pins are specific to each comparator instance.
EricLew 0:80ee8f3b695e 308 * Refer to description of parameters or to reference manual.
EricLew 0:80ee8f3b695e 309 * @rmtoll CSR INMSEL LL_COMP_SetInputInverting
EricLew 0:80ee8f3b695e 310 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 311 * @param InputNonInverting This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 312 * @arg @ref LL_COMP_NONINVERTINGINPUT_IO1
EricLew 0:80ee8f3b695e 313 * @arg @ref LL_COMP_NONINVERTINGINPUT_IO2
EricLew 0:80ee8f3b695e 314 * @retval None
EricLew 0:80ee8f3b695e 315 */
EricLew 0:80ee8f3b695e 316 __STATIC_INLINE void LL_COMP_SetInputNonInverting(COMP_TypeDef *COMPx, uint32_t InputNonInverting)
EricLew 0:80ee8f3b695e 317 {
EricLew 0:80ee8f3b695e 318 MODIFY_REG(COMPx->CSR, COMP_CSR_INPSEL, InputNonInverting);
EricLew 0:80ee8f3b695e 319 }
EricLew 0:80ee8f3b695e 320
EricLew 0:80ee8f3b695e 321 /**
EricLew 0:80ee8f3b695e 322 * @brief Get COMP input non-inverting.
EricLew 0:80ee8f3b695e 323 * @note In case of comparator input selected to be connected to IO:
EricLew 0:80ee8f3b695e 324 * IP pins are specific to each comparator instance.
EricLew 0:80ee8f3b695e 325 * Refer to description of parameters or to reference manual.
EricLew 0:80ee8f3b695e 326 * @rmtoll CSR INMSEL LL_COMP_GetInputInverting
EricLew 0:80ee8f3b695e 327 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 328 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 329 * @arg @ref LL_COMP_NONINVERTINGINPUT_IO1
EricLew 0:80ee8f3b695e 330 * @arg @ref LL_COMP_NONINVERTINGINPUT_IO2
EricLew 0:80ee8f3b695e 331 */
EricLew 0:80ee8f3b695e 332 __STATIC_INLINE uint32_t LL_COMP_GetInputNonInverting(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 333 {
EricLew 0:80ee8f3b695e 334 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_INPSEL));
EricLew 0:80ee8f3b695e 335 }
EricLew 0:80ee8f3b695e 336
EricLew 0:80ee8f3b695e 337 /**
EricLew 0:80ee8f3b695e 338 * @brief Set COMP input inverting.
EricLew 0:80ee8f3b695e 339 * @note In case of comparator input selected to be connected to IO:
EricLew 0:80ee8f3b695e 340 * IP pins are specific to each comparator instance.
EricLew 0:80ee8f3b695e 341 * Refer to description of parameters or to reference manual.
EricLew 0:80ee8f3b695e 342 * @note On STM32L4, scaler bridge is configurable:
EricLew 0:80ee8f3b695e 343 * to optimize power consumption, this function enables the
EricLew 0:80ee8f3b695e 344 * voltage scaler bridge only when required (comparator input
EricLew 0:80ee8f3b695e 345 * based on VrefInt).
EricLew 0:80ee8f3b695e 346 * The scaler bridge is common for all comparator instances,
EricLew 0:80ee8f3b695e 347 * therefore if at least one of the comparator instance
EricLew 0:80ee8f3b695e 348 * is requiring the scaler bridge, it remains enabled.
EricLew 0:80ee8f3b695e 349 * @rmtoll CSR INPSEL LL_COMP_SetInputNonInverting\n
EricLew 0:80ee8f3b695e 350 * CSR BRGEN LL_COMP_SetInputNonInverting\n
EricLew 0:80ee8f3b695e 351 * CSR SCALEN LL_COMP_SetInputNonInverting
EricLew 0:80ee8f3b695e 352 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 353 * @param InputInverting This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 354 * @arg @ref LL_COMP_INVERTINGINPUT_1_4VREFINT
EricLew 0:80ee8f3b695e 355 * @arg @ref LL_COMP_INVERTINGINPUT_1_2VREFINT
EricLew 0:80ee8f3b695e 356 * @arg @ref LL_COMP_INVERTINGINPUT_3_4VREFINT
EricLew 0:80ee8f3b695e 357 * @arg @ref LL_COMP_INVERTINGINPUT_VREFINT
EricLew 0:80ee8f3b695e 358 * @arg @ref LL_COMP_INVERTINGINPUT_DAC1
EricLew 0:80ee8f3b695e 359 * @arg @ref LL_COMP_INVERTINGINPUT_DAC2
EricLew 0:80ee8f3b695e 360 * @arg @ref LL_COMP_INVERTINGINPUT_IO1
EricLew 0:80ee8f3b695e 361 * @arg @ref LL_COMP_INVERTINGINPUT_IO2
EricLew 0:80ee8f3b695e 362 * @retval None
EricLew 0:80ee8f3b695e 363 */
EricLew 0:80ee8f3b695e 364 __STATIC_INLINE void LL_COMP_SetInputInverting(COMP_TypeDef *COMPx, uint32_t InputInverting)
EricLew 0:80ee8f3b695e 365 {
EricLew 0:80ee8f3b695e 366 MODIFY_REG(COMPx->CSR, COMP_CSR_INMSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN, InputInverting);
EricLew 0:80ee8f3b695e 367 }
EricLew 0:80ee8f3b695e 368
EricLew 0:80ee8f3b695e 369 /**
EricLew 0:80ee8f3b695e 370 * @brief Get COMP input inverting.
EricLew 0:80ee8f3b695e 371 * @note In case of comparator input selected to be connected to IO:
EricLew 0:80ee8f3b695e 372 * IP pins are specific to each comparator instance.
EricLew 0:80ee8f3b695e 373 * Refer to description of parameters or to reference manual.
EricLew 0:80ee8f3b695e 374 * @rmtoll CSR INPSEL LL_COMP_GetInputNonInverting\n
EricLew 0:80ee8f3b695e 375 * CSR BRGEN LL_COMP_GetInputNonInverting\n
EricLew 0:80ee8f3b695e 376 * CSR SCALEN LL_COMP_GetInputNonInverting
EricLew 0:80ee8f3b695e 377 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 378 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 379 * @arg @ref LL_COMP_INVERTINGINPUT_1_4VREFINT
EricLew 0:80ee8f3b695e 380 * @arg @ref LL_COMP_INVERTINGINPUT_1_2VREFINT
EricLew 0:80ee8f3b695e 381 * @arg @ref LL_COMP_INVERTINGINPUT_3_4VREFINT
EricLew 0:80ee8f3b695e 382 * @arg @ref LL_COMP_INVERTINGINPUT_VREFINT
EricLew 0:80ee8f3b695e 383 * @arg @ref LL_COMP_INVERTINGINPUT_DAC1
EricLew 0:80ee8f3b695e 384 * @arg @ref LL_COMP_INVERTINGINPUT_DAC2
EricLew 0:80ee8f3b695e 385 * @arg @ref LL_COMP_INVERTINGINPUT_IO1
EricLew 0:80ee8f3b695e 386 * @arg @ref LL_COMP_INVERTINGINPUT_IO2
EricLew 0:80ee8f3b695e 387 */
EricLew 0:80ee8f3b695e 388 __STATIC_INLINE uint32_t LL_COMP_GetInputInverting(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 389 {
EricLew 0:80ee8f3b695e 390 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_INMSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN));
EricLew 0:80ee8f3b695e 391 }
EricLew 0:80ee8f3b695e 392
EricLew 0:80ee8f3b695e 393 /**
EricLew 0:80ee8f3b695e 394 * @brief Set comparator instance hysteresis mode of the inverting input.
EricLew 0:80ee8f3b695e 395 * @rmtoll CSR HYST LL_COMP_SetInputHysteresis
EricLew 0:80ee8f3b695e 396 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 397 * @param Hysteresis This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 398 * @arg @ref LL_COMP_HYSTERESIS_NONE
EricLew 0:80ee8f3b695e 399 * @arg @ref LL_COMP_HYSTERESIS_LOW
EricLew 0:80ee8f3b695e 400 * @arg @ref LL_COMP_HYSTERESIS_MEDIUM
EricLew 0:80ee8f3b695e 401 * @arg @ref LL_COMP_HYSTERESIS_HIGH
EricLew 0:80ee8f3b695e 402 * @retval None
EricLew 0:80ee8f3b695e 403 */
EricLew 0:80ee8f3b695e 404 __STATIC_INLINE void LL_COMP_SetInputHysteresis(COMP_TypeDef *COMPx, uint32_t Hysteresis)
EricLew 0:80ee8f3b695e 405 {
EricLew 0:80ee8f3b695e 406 MODIFY_REG(COMPx->CSR, COMP_CSR_HYST, Hysteresis);
EricLew 0:80ee8f3b695e 407 }
EricLew 0:80ee8f3b695e 408
EricLew 0:80ee8f3b695e 409 /**
EricLew 0:80ee8f3b695e 410 * @brief Get comparator instance hysteresis mode of the inverting input.
EricLew 0:80ee8f3b695e 411 * @rmtoll CSR HYST LL_COMP_GetInputHysteresis
EricLew 0:80ee8f3b695e 412 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 413 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 414 * @arg @ref LL_COMP_HYSTERESIS_NONE
EricLew 0:80ee8f3b695e 415 * @arg @ref LL_COMP_HYSTERESIS_LOW
EricLew 0:80ee8f3b695e 416 * @arg @ref LL_COMP_HYSTERESIS_MEDIUM
EricLew 0:80ee8f3b695e 417 * @arg @ref LL_COMP_HYSTERESIS_HIGH
EricLew 0:80ee8f3b695e 418 */
EricLew 0:80ee8f3b695e 419 __STATIC_INLINE uint32_t LL_COMP_GetInputHysteresis(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 420 {
EricLew 0:80ee8f3b695e 421 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_HYST));
EricLew 0:80ee8f3b695e 422 }
EricLew 0:80ee8f3b695e 423
EricLew 0:80ee8f3b695e 424 /**
EricLew 0:80ee8f3b695e 425 * @}
EricLew 0:80ee8f3b695e 426 */
EricLew 0:80ee8f3b695e 427
EricLew 0:80ee8f3b695e 428 /** @defgroup COMP_LL_EF_Configuration_comparator_output Configuration of comparator output
EricLew 0:80ee8f3b695e 429 * @{
EricLew 0:80ee8f3b695e 430 */
EricLew 0:80ee8f3b695e 431 /**
EricLew 0:80ee8f3b695e 432 * @brief Set comparator instance output polarity.
EricLew 0:80ee8f3b695e 433 * @rmtoll CSR POLARITY LL_COMP_SetOutputPolarity
EricLew 0:80ee8f3b695e 434 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 435 * @param Polarity This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 436 * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED
EricLew 0:80ee8f3b695e 437 * @arg @ref LL_COMP_OUTPUTPOL_INVERTED
EricLew 0:80ee8f3b695e 438 * @retval None
EricLew 0:80ee8f3b695e 439 */
EricLew 0:80ee8f3b695e 440 __STATIC_INLINE void LL_COMP_SetOutputPolarity(COMP_TypeDef *COMPx, uint32_t Polarity)
EricLew 0:80ee8f3b695e 441 {
EricLew 0:80ee8f3b695e 442 MODIFY_REG(COMPx->CSR, COMP_CSR_POLARITY, Polarity);
EricLew 0:80ee8f3b695e 443 }
EricLew 0:80ee8f3b695e 444
EricLew 0:80ee8f3b695e 445 /**
EricLew 0:80ee8f3b695e 446 * @brief Get comparator instance output polarity.
EricLew 0:80ee8f3b695e 447 * @rmtoll CSR POLARITY LL_COMP_GetOutputPolarity
EricLew 0:80ee8f3b695e 448 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 449 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 450 * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED
EricLew 0:80ee8f3b695e 451 * @arg @ref LL_COMP_OUTPUTPOL_INVERTED
EricLew 0:80ee8f3b695e 452 */
EricLew 0:80ee8f3b695e 453 __STATIC_INLINE uint32_t LL_COMP_GetOutputPolarity(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 454 {
EricLew 0:80ee8f3b695e 455 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_POLARITY));
EricLew 0:80ee8f3b695e 456 }
EricLew 0:80ee8f3b695e 457
EricLew 0:80ee8f3b695e 458 /**
EricLew 0:80ee8f3b695e 459 * @brief Set comparator instance blanking source.
EricLew 0:80ee8f3b695e 460 * @note Blanking source may be specific to each comparator instance.
EricLew 0:80ee8f3b695e 461 * Refer to description of parameters or to reference manual.
EricLew 0:80ee8f3b695e 462 * @rmtoll CSR BLANKING LL_COMP_SetOutputBlankingSource
EricLew 0:80ee8f3b695e 463 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 464 * @param BlankingSource This parameter can be one of the following values:
EricLew 0:80ee8f3b695e 465 * @arg @ref LL_COMP_BLANKINGSRC_NONE
EricLew 0:80ee8f3b695e 466 * @arg @ref LL_COMP_BLANKINGSRC_TIM1_OC5 (1)
EricLew 0:80ee8f3b695e 467 * @arg @ref LL_COMP_BLANKINGSRC_TIM2_OC3 (1)
EricLew 0:80ee8f3b695e 468 * @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC3 (1)
EricLew 0:80ee8f3b695e 469 * @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC4 (2)
EricLew 0:80ee8f3b695e 470 * @arg @ref LL_COMP_BLANKINGSRC_TIM8_OC5 (2)
EricLew 0:80ee8f3b695e 471 * @arg @ref LL_COMP_BLANKINGSRC_TIM15_OC1 (2)
EricLew 0:80ee8f3b695e 472 * (1) On STM32L4, parameter available only on comparator instance: COMP1.
EricLew 0:80ee8f3b695e 473 * (2) On STM32L4, parameter available only on comparator instance: COMP2.
EricLew 0:80ee8f3b695e 474 * @retval None
EricLew 0:80ee8f3b695e 475 */
EricLew 0:80ee8f3b695e 476 __STATIC_INLINE void LL_COMP_SetOutputBlankingSource(COMP_TypeDef *COMPx, uint32_t BlankingSource)
EricLew 0:80ee8f3b695e 477 {
EricLew 0:80ee8f3b695e 478 MODIFY_REG(COMPx->CSR, COMP_CSR_BLANKING, BlankingSource);
EricLew 0:80ee8f3b695e 479 }
EricLew 0:80ee8f3b695e 480
EricLew 0:80ee8f3b695e 481 /**
EricLew 0:80ee8f3b695e 482 * @brief Get comparator instance blanking source.
EricLew 0:80ee8f3b695e 483 * @note Blanking source may be specific to each comparator instance.
EricLew 0:80ee8f3b695e 484 * Refer to description of parameters or to reference manual.
EricLew 0:80ee8f3b695e 485 * @rmtoll CSR BLANKING LL_COMP_GetOutputBlankingSource
EricLew 0:80ee8f3b695e 486 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 487 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 488 * @arg @ref LL_COMP_BLANKINGSRC_NONE
EricLew 0:80ee8f3b695e 489 * @arg @ref LL_COMP_BLANKINGSRC_TIM1_OC5 (1)
EricLew 0:80ee8f3b695e 490 * @arg @ref LL_COMP_BLANKINGSRC_TIM2_OC3 (1)
EricLew 0:80ee8f3b695e 491 * @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC3 (1)
EricLew 0:80ee8f3b695e 492 * @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC4 (2)
EricLew 0:80ee8f3b695e 493 * @arg @ref LL_COMP_BLANKINGSRC_TIM8_OC5 (2)
EricLew 0:80ee8f3b695e 494 * @arg @ref LL_COMP_BLANKINGSRC_TIM15_OC1 (2)
EricLew 0:80ee8f3b695e 495 * (1) On STM32L4, parameter available only on comparator instance: COMP1.
EricLew 0:80ee8f3b695e 496 * (2) On STM32L4, parameter available only on comparator instance: COMP2.
EricLew 0:80ee8f3b695e 497 */
EricLew 0:80ee8f3b695e 498 __STATIC_INLINE uint32_t LL_COMP_GetOutputBlankingSource(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 499 {
EricLew 0:80ee8f3b695e 500 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_BLANKING));
EricLew 0:80ee8f3b695e 501 }
EricLew 0:80ee8f3b695e 502
EricLew 0:80ee8f3b695e 503 /**
EricLew 0:80ee8f3b695e 504 * @}
EricLew 0:80ee8f3b695e 505 */
EricLew 0:80ee8f3b695e 506
EricLew 0:80ee8f3b695e 507 /** @defgroup COMP_LL_EF_Operation Operation
EricLew 0:80ee8f3b695e 508 * @{
EricLew 0:80ee8f3b695e 509 */
EricLew 0:80ee8f3b695e 510 /**
EricLew 0:80ee8f3b695e 511 * @brief Enable comparator instance.
EricLew 0:80ee8f3b695e 512 * @rmtoll CSR EN LL_COMP_Enable
EricLew 0:80ee8f3b695e 513 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 514 * @retval None
EricLew 0:80ee8f3b695e 515 */
EricLew 0:80ee8f3b695e 516 __STATIC_INLINE void LL_COMP_Enable(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 517 {
EricLew 0:80ee8f3b695e 518 SET_BIT(COMPx->CSR, COMP_CSR_EN);
EricLew 0:80ee8f3b695e 519 }
EricLew 0:80ee8f3b695e 520
EricLew 0:80ee8f3b695e 521 /**
EricLew 0:80ee8f3b695e 522 * @brief Disable comparator instance.
EricLew 0:80ee8f3b695e 523 * @rmtoll CSR EN LL_COMP_Disable
EricLew 0:80ee8f3b695e 524 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 525 * @retval None
EricLew 0:80ee8f3b695e 526 */
EricLew 0:80ee8f3b695e 527 __STATIC_INLINE void LL_COMP_Disable(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 528 {
EricLew 0:80ee8f3b695e 529 CLEAR_BIT(COMPx->CSR, COMP_CSR_EN);
EricLew 0:80ee8f3b695e 530 }
EricLew 0:80ee8f3b695e 531
EricLew 0:80ee8f3b695e 532 /**
EricLew 0:80ee8f3b695e 533 * @brief Get COMP enable state
EricLew 0:80ee8f3b695e 534 * (0: COMP is disabled, 1: COMP is enabled)
EricLew 0:80ee8f3b695e 535 * @rmtoll CSR EN LL_COMP_IsEnabled
EricLew 0:80ee8f3b695e 536 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 537 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 538 */
EricLew 0:80ee8f3b695e 539 __STATIC_INLINE uint32_t LL_COMP_IsEnabled(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 540 {
EricLew 0:80ee8f3b695e 541 return (READ_BIT(COMPx->CSR, COMP_CSR_EN) == (COMP_CSR_EN));
EricLew 0:80ee8f3b695e 542 }
EricLew 0:80ee8f3b695e 543
EricLew 0:80ee8f3b695e 544 /**
EricLew 0:80ee8f3b695e 545 * @brief Lock comparator instance.
EricLew 0:80ee8f3b695e 546 * Once locked, comparator configuration can be accessed in read-only.
EricLew 0:80ee8f3b695e 547 * The only way to unlock the comparator is a device hardware reset.
EricLew 0:80ee8f3b695e 548 * @rmtoll CSR LOCK LL_COMP_Lock
EricLew 0:80ee8f3b695e 549 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 550 * @retval None
EricLew 0:80ee8f3b695e 551 */
EricLew 0:80ee8f3b695e 552 __STATIC_INLINE void LL_COMP_Lock(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 553 {
EricLew 0:80ee8f3b695e 554 SET_BIT(COMPx->CSR, COMP_CSR_LOCK);
EricLew 0:80ee8f3b695e 555 }
EricLew 0:80ee8f3b695e 556
EricLew 0:80ee8f3b695e 557 /**
EricLew 0:80ee8f3b695e 558 * @brief Get COMP lock state.
EricLew 0:80ee8f3b695e 559 * (0: COMP is unlocked, 1: COMP is locked)
EricLew 0:80ee8f3b695e 560 * @rmtoll CSR LOCK LL_COMP_IsLocked
EricLew 0:80ee8f3b695e 561 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 562 * @retval State of bit (1 or 0).
EricLew 0:80ee8f3b695e 563 */
EricLew 0:80ee8f3b695e 564 __STATIC_INLINE uint32_t LL_COMP_IsLocked(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 565 {
EricLew 0:80ee8f3b695e 566 return (READ_BIT(COMPx->CSR, COMP_CSR_LOCK) == (COMP_CSR_LOCK));
EricLew 0:80ee8f3b695e 567 }
EricLew 0:80ee8f3b695e 568
EricLew 0:80ee8f3b695e 569 /**
EricLew 0:80ee8f3b695e 570 * @brief Read comparator instance output level.
EricLew 0:80ee8f3b695e 571 * The output level depends on the selected polarity.
EricLew 0:80ee8f3b695e 572 * If the polarity is not inverted:
EricLew 0:80ee8f3b695e 573 * - Comparator output is low when the non-inverting input is at a lower
EricLew 0:80ee8f3b695e 574 * voltage than the inverting input
EricLew 0:80ee8f3b695e 575 * - Comparator output is high when the non-inverting input is at a higher
EricLew 0:80ee8f3b695e 576 * voltage than the inverting input
EricLew 0:80ee8f3b695e 577 * If the polarity is inverted:
EricLew 0:80ee8f3b695e 578 * - Comparator output is high when the non-inverting input is at a lower
EricLew 0:80ee8f3b695e 579 * voltage than the inverting input
EricLew 0:80ee8f3b695e 580 * - Comparator output is low when the non-inverting input is at a higher
EricLew 0:80ee8f3b695e 581 * voltage than the inverting input
EricLew 0:80ee8f3b695e 582 * @rmtoll CSR VALUE LL_COMP_ReadOutputLevel
EricLew 0:80ee8f3b695e 583 * @param COMPx Comparator instance
EricLew 0:80ee8f3b695e 584 * @retval Returned value can be one of the following values:
EricLew 0:80ee8f3b695e 585 * @arg @ref LL_COMP_OUTPUT_LEVEL_LOW
EricLew 0:80ee8f3b695e 586 * @arg @ref LL_COMP_OUTPUT_LEVEL_HIGH
EricLew 0:80ee8f3b695e 587 */
EricLew 0:80ee8f3b695e 588 __STATIC_INLINE uint32_t LL_COMP_ReadOutputLevel(COMP_TypeDef *COMPx)
EricLew 0:80ee8f3b695e 589 {
EricLew 0:80ee8f3b695e 590 return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_VALUE));
EricLew 0:80ee8f3b695e 591 }
EricLew 0:80ee8f3b695e 592
EricLew 0:80ee8f3b695e 593 /**
EricLew 0:80ee8f3b695e 594 * @}
EricLew 0:80ee8f3b695e 595 */
EricLew 0:80ee8f3b695e 596
EricLew 0:80ee8f3b695e 597
EricLew 0:80ee8f3b695e 598 /**
EricLew 0:80ee8f3b695e 599 * @}
EricLew 0:80ee8f3b695e 600 */
EricLew 0:80ee8f3b695e 601
EricLew 0:80ee8f3b695e 602 /**
EricLew 0:80ee8f3b695e 603 * @}
EricLew 0:80ee8f3b695e 604 */
EricLew 0:80ee8f3b695e 605
EricLew 0:80ee8f3b695e 606 #endif /* COMP1 || COMP2 */
EricLew 0:80ee8f3b695e 607
EricLew 0:80ee8f3b695e 608 /**
EricLew 0:80ee8f3b695e 609 * @}
EricLew 0:80ee8f3b695e 610 */
EricLew 0:80ee8f3b695e 611
EricLew 0:80ee8f3b695e 612 #ifdef __cplusplus
EricLew 0:80ee8f3b695e 613 }
EricLew 0:80ee8f3b695e 614 #endif
EricLew 0:80ee8f3b695e 615
EricLew 0:80ee8f3b695e 616 #endif /* __STM32L4xx_LL_COMP_H */
EricLew 0:80ee8f3b695e 617
EricLew 0:80ee8f3b695e 618 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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