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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32f0xx_ll_comp.h |
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| 4 | * @author MCD Application Team |
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| 5 | * @brief Header file of COMP LL module. |
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| 6 | ****************************************************************************** |
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| 7 | * @attention |
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| 8 | * |
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| 9 | * <h2><center>© Copyright (c) 2016 STMicroelectronics. |
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| 10 | * All rights reserved.</center></h2> |
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| 11 | * |
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| 12 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 13 | * the "License"; You may not use this file except in compliance with the |
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| 14 | * License. You may obtain a copy of the License at: |
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| 15 | * opensource.org/licenses/BSD-3-Clause |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 19 | |||
| 20 | /* Define to prevent recursive inclusion -------------------------------------*/ |
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| 21 | #ifndef __STM32F0xx_LL_COMP_H |
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| 22 | #define __STM32F0xx_LL_COMP_H |
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| 23 | |||
| 24 | #ifdef __cplusplus |
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| 25 | extern "C" { |
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| 26 | #endif |
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| 27 | |||
| 28 | /* Includes ------------------------------------------------------------------*/ |
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| 29 | #include "stm32f0xx.h" |
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| 30 | |||
| 31 | /** @addtogroup STM32F0xx_LL_Driver |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | |||
| 35 | #if defined (COMP1) || defined (COMP2) |
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| 36 | |||
| 37 | /** @defgroup COMP_LL COMP |
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| 38 | * @{ |
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| 39 | */ |
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| 40 | |||
| 41 | /* Private types -------------------------------------------------------------*/ |
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| 42 | /* Private variables ---------------------------------------------------------*/ |
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| 43 | /* Private constants ---------------------------------------------------------*/ |
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| 44 | /** @defgroup COMP_LL_Private_Constants COMP Private Constants |
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| 45 | * @{ |
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| 46 | */ |
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| 47 | |||
| 48 | /* Differentiation between COMP instances */ |
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| 49 | /* Note: Value not corresponding to a register offset since both */ |
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| 50 | /* COMP instances are sharing the same register) . */ |
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| 51 | #define COMPX_BASE COMP_BASE |
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| 52 | #define COMPX (COMP1 - COMP2) |
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| 53 | |||
| 54 | /* COMP registers bits positions */ |
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| 55 | #define LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS ((uint32_t)14U) /* Value equivalent to POSITION_VAL(COMP_CSR_COMP1OUT) */ |
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| 56 | |||
| 57 | /** |
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| 58 | * @} |
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| 59 | */ |
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| 60 | |||
| 61 | /* Private macros ------------------------------------------------------------*/ |
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| 62 | /** @defgroup COMP_LL_Private_Macros COMP Private Macros |
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| 63 | * @{ |
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| 64 | */ |
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| 65 | |||
| 66 | /** |
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| 67 | * @brief Driver macro reserved for internal use: if COMP instance selected |
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| 68 | * is odd (COMP1, COMP3, ...), return value '1', else return '0'. |
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| 69 | * @param __COMP_INSTANCE__ COMP instance |
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| 70 | * @retval If COMP instance is odd, value '1'. Else, value '0'. |
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| 71 | */ |
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| 72 | #define __COMP_IS_INSTANCE_ODD(__COMP_INSTANCE__) \ |
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| 73 | ((~(((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U)) & 0x00000001) |
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| 74 | |||
| 75 | /** |
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| 76 | * @brief Driver macro reserved for internal use: if COMP instance selected |
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| 77 | * is even (COMP2, COMP4, ...), return value '1', else return '0'. |
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| 78 | * @param __COMP_INSTANCE__ COMP instance |
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| 79 | * @retval If COMP instance is even, value '1'. Else, value '0'. |
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| 80 | */ |
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| 81 | #define __COMP_IS_INSTANCE_EVEN(__COMP_INSTANCE__) \ |
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| 82 | (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U) |
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| 83 | |||
| 84 | /** |
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| 85 | * @brief Driver macro reserved for internal use: from COMP instance |
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| 86 | * selected, set offset of bits into COMP register. |
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| 87 | * @note Since both COMP instances are sharing the same register |
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| 88 | * with 2 area of bits with an offset of 16 bits, this function |
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| 89 | * returns value "0" if COMP1 is selected and "16" if COMP2 is |
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| 90 | * selected. |
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| 91 | * @param __COMP_INSTANCE__ COMP instance |
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| 92 | * @retval Bits offset in register 32 bits |
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| 93 | */ |
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| 94 | #define __COMP_BITOFFSET_INSTANCE(__COMP_INSTANCE__) \ |
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| 95 | (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) << 3U) |
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| 96 | |||
| 97 | /** |
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| 98 | * @} |
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| 99 | */ |
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| 100 | |||
| 101 | /* Exported types ------------------------------------------------------------*/ |
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| 102 | #if defined(USE_FULL_LL_DRIVER) |
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| 103 | /** @defgroup COMP_LL_ES_INIT COMP Exported Init structure |
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| 104 | * @{ |
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| 105 | */ |
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| 106 | |||
| 107 | /** |
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| 108 | * @brief Structure definition of some features of COMP instance. |
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| 109 | */ |
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| 110 | typedef struct |
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| 111 | { |
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| 112 | uint32_t PowerMode; /*!< Set comparator operating mode to adjust power and speed. |
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| 113 | This parameter can be a value of @ref COMP_LL_EC_POWERMODE |
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| 114 | |||
| 115 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetPowerMode(). */ |
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| 116 | |||
| 117 | uint32_t InputPlus; /*!< Set comparator input plus (non-inverting input). |
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| 118 | This parameter can be a value of @ref COMP_LL_EC_INPUT_PLUS |
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| 119 | |||
| 120 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputPlus(). */ |
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| 121 | |||
| 122 | uint32_t InputMinus; /*!< Set comparator input minus (inverting input). |
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| 123 | This parameter can be a value of @ref COMP_LL_EC_INPUT_MINUS |
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| 124 | |||
| 125 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputMinus(). */ |
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| 126 | |||
| 127 | uint32_t InputHysteresis; /*!< Set comparator hysteresis mode of the input minus. |
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| 128 | This parameter can be a value of @ref COMP_LL_EC_INPUT_HYSTERESIS |
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| 129 | |||
| 130 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputHysteresis(). */ |
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| 131 | |||
| 132 | uint32_t OutputSelection; /*!< Set comparator output selection. |
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| 133 | This parameter can be a value of @ref COMP_LL_EC_OUTPUT_SELECTION |
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| 134 | |||
| 135 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputSelection(). */ |
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| 136 | |||
| 137 | uint32_t OutputPolarity; /*!< Set comparator output polarity. |
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| 138 | This parameter can be a value of @ref COMP_LL_EC_OUTPUT_POLARITY |
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| 139 | |||
| 140 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputPolarity(). */ |
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| 141 | |||
| 142 | } LL_COMP_InitTypeDef; |
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| 143 | |||
| 144 | /** |
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| 145 | * @} |
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| 146 | */ |
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| 147 | #endif /* USE_FULL_LL_DRIVER */ |
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| 148 | |||
| 149 | /* Exported constants --------------------------------------------------------*/ |
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| 150 | /** @defgroup COMP_LL_Exported_Constants COMP Exported Constants |
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| 151 | * @{ |
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| 152 | */ |
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| 153 | |||
| 154 | /** @defgroup COMP_LL_EC_COMMON_WINDOWMODE Comparator common modes - Window mode |
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| 155 | * @{ |
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| 156 | */ |
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| 157 | #define LL_COMP_WINDOWMODE_DISABLE ((uint32_t)0x00000000U) /*!< Window mode disable: Comparators 1 and 2 are independent */ |
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| 158 | #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). */ |
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| 159 | /** |
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| 160 | * @} |
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| 161 | */ |
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| 162 | |||
| 163 | /** @defgroup COMP_LL_EC_POWERMODE Comparator modes - Power mode |
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| 164 | * @{ |
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| 165 | */ |
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| 166 | #define LL_COMP_POWERMODE_HIGHSPEED ((uint32_t)0x00000000U) /*!< COMP power mode to high speed */ |
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| 167 | #define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CSR_COMP1MODE_0) /*!< COMP power mode to medium speed */ |
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| 168 | #define LL_COMP_POWERMODE_LOWPOWER (COMP_CSR_COMP1MODE_1) /*!< COMP power mode to low power */ |
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| 169 | #define LL_COMP_POWERMODE_ULTRALOWPOWER (COMP_CSR_COMP1MODE_1 | COMP_CSR_COMP1MODE_0) /*!< COMP power mode to ultra-low power */ |
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| 170 | /** |
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| 171 | * @} |
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| 172 | */ |
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| 173 | |||
| 174 | /** @defgroup COMP_LL_EC_INPUT_PLUS Comparator inputs - Input plus (input non-inverting) selection |
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| 175 | * @{ |
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| 176 | */ |
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| 177 | #define LL_COMP_INPUT_PLUS_IO1 ((uint32_t)0x00000000U) /*!< Comparator input plus connected to IO1 (pin PA1 for COMP1, pin PA3 for COMP2) */ |
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| 178 | #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) */ |
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| 179 | /** |
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| 180 | * @} |
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| 181 | */ |
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| 182 | |||
| 183 | /** @defgroup COMP_LL_EC_INPUT_MINUS Comparator inputs - Input minus (input inverting) selection |
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| 184 | * @{ |
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| 185 | */ |
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| 186 | #define LL_COMP_INPUT_MINUS_1_4VREFINT ((uint32_t)0x00000000U) /*!< Comparator input minus connected to 1/4 VrefInt */ |
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| 187 | #define LL_COMP_INPUT_MINUS_1_2VREFINT ( COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to 1/2 VrefInt */ |
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| 188 | #define LL_COMP_INPUT_MINUS_3_4VREFINT ( COMP_CSR_COMP1INSEL_1 ) /*!< Comparator input minus connected to 3/4 VrefInt */ |
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| 189 | #define LL_COMP_INPUT_MINUS_VREFINT ( COMP_CSR_COMP1INSEL_1 | COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to VrefInt */ |
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| 190 | #define LL_COMP_INPUT_MINUS_DAC1_CH1 (COMP_CSR_COMP1INSEL_2 ) /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */ |
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| 191 | #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) */ |
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| 192 | #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) */ |
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| 193 | /** |
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| 194 | * @} |
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| 195 | */ |
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| 196 | |||
| 197 | /** @defgroup COMP_LL_EC_INPUT_HYSTERESIS Comparator input - Hysteresis |
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| 198 | * @{ |
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| 199 | */ |
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| 200 | #define LL_COMP_HYSTERESIS_NONE ((uint32_t)0x00000000U) /*!< No hysteresis */ |
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| 201 | #define LL_COMP_HYSTERESIS_LOW ( COMP_CSR_COMP1HYST_0) /*!< Hysteresis level low */ |
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| 202 | #define LL_COMP_HYSTERESIS_MEDIUM (COMP_CSR_COMP1HYST_1 ) /*!< Hysteresis level medium */ |
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| 203 | #define LL_COMP_HYSTERESIS_HIGH (COMP_CSR_COMP1HYST_1 | COMP_CSR_COMP1HYST_0) /*!< Hysteresis level high */ |
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| 204 | /** |
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| 205 | * @} |
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| 206 | */ |
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| 207 | |||
| 208 | /** @defgroup COMP_LL_EC_OUTPUT_SELECTION Comparator output - Output selection |
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| 209 | * @{ |
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| 210 | */ |
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| 211 | /* Note: Output redirection is common for COMP1 and COMP2 */ |
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| 212 | #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) */ |
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| 213 | #define LL_COMP_OUTPUT_TIM1_BKIN (COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 break input (BKIN) */ |
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| 214 | #define LL_COMP_OUTPUT_TIM1_IC1 (COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM1 input capture 1 */ |
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| 215 | #define LL_COMP_OUTPUT_TIM1_OCCLR (COMP_CSR_COMP1OUTSEL_1 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 OCREF clear */ |
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| 216 | #define LL_COMP_OUTPUT_TIM2_IC4 (COMP_CSR_COMP1OUTSEL_2) /*!< COMP output connected to TIM2 input capture 4 */ |
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| 217 | #define LL_COMP_OUTPUT_TIM2_OCCLR (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM2 OCREF clear */ |
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| 218 | #define LL_COMP_OUTPUT_TIM3_IC1 (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM3 input capture 1 */ |
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| 219 | #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 */ |
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| 220 | /** |
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| 221 | * @} |
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| 222 | */ |
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| 223 | |||
| 224 | /** @defgroup COMP_LL_EC_OUTPUT_POLARITY Comparator output - Output polarity |
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| 225 | * @{ |
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| 226 | */ |
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| 227 | #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 */ |
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| 228 | #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 */ |
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| 229 | /** |
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| 230 | * @} |
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| 231 | */ |
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| 232 | |||
| 233 | /** @defgroup COMP_LL_EC_OUTPUT_LEVEL Comparator output - Output level |
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| 234 | * @{ |
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| 235 | */ |
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| 236 | #define LL_COMP_OUTPUT_LEVEL_LOW ((uint32_t)0x00000000U) /*!< Comparator output level low (if the polarity is not inverted, otherwise to be complemented) */ |
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| 237 | #define LL_COMP_OUTPUT_LEVEL_HIGH ((uint32_t)0x00000001U) /*!< Comparator output level high (if the polarity is not inverted, otherwise to be complemented) */ |
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| 238 | /** |
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| 239 | * @} |
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| 240 | */ |
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| 241 | |||
| 242 | /** @defgroup COMP_LL_EC_HW_DELAYS Definitions of COMP hardware constraints delays |
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| 243 | * @note Only COMP IP HW delays are defined in COMP LL driver driver, |
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| 244 | * not timeout values. |
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| 245 | * For details on delays values, refer to descriptions in source code |
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| 246 | * above each literal definition. |
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| 247 | * @{ |
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| 248 | */ |
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| 249 | |||
| 250 | /* Delay for comparator startup time. */ |
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| 251 | /* Note: Delay required to reach propagation delay specification. */ |
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| 252 | /* Literal set to maximum value (refer to device datasheet, */ |
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| 253 | /* parameter "tSTART"). */ |
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| 254 | /* Unit: us */ |
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| 255 | #define LL_COMP_DELAY_STARTUP_US ((uint32_t) 60U) /*!< Delay for COMP startup time */ |
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| 256 | |||
| 257 | /* Delay for comparator voltage scaler stabilization time */ |
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| 258 | /* (voltage from VrefInt, delay based on VrefInt startup time). */ |
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| 259 | /* Literal set to maximum value (refer to device datasheet, */ |
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| 260 | /* parameter "tS_SC"). */ |
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| 261 | /* Unit: us */ |
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| 262 | #define LL_COMP_DELAY_VOLTAGE_SCALER_STAB_US ((uint32_t) 200U) /*!< Delay for COMP voltage scaler stabilization time */ |
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| 263 | |||
| 264 | |||
| 265 | /** |
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| 266 | * @} |
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| 267 | */ |
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| 268 | |||
| 269 | /** |
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| 270 | * @} |
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| 271 | */ |
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| 272 | |||
| 273 | /* Exported macro ------------------------------------------------------------*/ |
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| 274 | /** @defgroup COMP_LL_Exported_Macros COMP Exported Macros |
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| 275 | * @{ |
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| 276 | */ |
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| 277 | /** @defgroup COMP_LL_EM_WRITE_READ Common write and read registers macro |
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| 278 | * @{ |
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| 279 | */ |
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| 280 | |||
| 281 | /** |
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| 282 | * @brief Write a value in COMP register |
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| 283 | * @param __INSTANCE__ comparator instance |
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| 284 | * @param __REG__ Register to be written |
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| 285 | * @param __VALUE__ Value to be written in the register |
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| 286 | * @retval None |
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| 287 | */ |
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| 288 | #define LL_COMP_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
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| 289 | |||
| 290 | /** |
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| 291 | * @brief Read a value in COMP register |
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| 292 | * @param __INSTANCE__ comparator instance |
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| 293 | * @param __REG__ Register to be read |
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| 294 | * @retval Register value |
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| 295 | */ |
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| 296 | #define LL_COMP_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
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| 297 | /** |
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| 298 | * @} |
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| 299 | */ |
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| 300 | |||
| 301 | /** @defgroup COMP_LL_EM_HELPER_MACRO COMP helper macro |
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| 302 | * @{ |
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| 303 | */ |
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| 304 | |||
| 305 | /** |
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| 306 | * @brief Helper macro to select the COMP common instance |
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| 307 | * to which is belonging the selected COMP instance. |
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| 308 | * @note COMP common register instance can be used to |
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| 309 | * set parameters common to several COMP instances. |
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| 310 | * Refer to functions having argument "COMPxy_COMMON" as parameter. |
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| 311 | * @param __COMPx__ COMP instance |
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| 312 | * @retval COMP common instance or value "0" if there is no COMP common instance. |
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| 313 | */ |
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| 314 | #define __LL_COMP_COMMON_INSTANCE(__COMPx__) \ |
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| 315 | (COMP12_COMMON) |
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| 316 | |||
| 317 | /** |
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| 318 | * @} |
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| 319 | */ |
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| 320 | |||
| 321 | /** |
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| 322 | * @} |
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| 323 | */ |
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| 324 | |||
| 325 | /* Exported functions --------------------------------------------------------*/ |
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| 326 | /** @defgroup COMP_LL_Exported_Functions COMP Exported Functions |
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| 327 | * @{ |
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| 328 | */ |
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| 329 | |||
| 330 | /** @defgroup COMP_LL_EF_Configuration_comparator_common Configuration of COMP hierarchical scope: common to several COMP instances |
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| 331 | * @{ |
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| 332 | */ |
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| 333 | |||
| 334 | /** |
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| 335 | * @brief Set window mode of a pair of comparators instances |
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| 336 | * (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>). |
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| 337 | * @rmtoll CSR WNDWEN LL_COMP_SetCommonWindowMode |
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| 338 | * @param COMPxy_COMMON Comparator common instance |
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| 339 | * (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() ) |
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| 340 | * @param WindowMode This parameter can be one of the following values: |
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| 341 | * @arg @ref LL_COMP_WINDOWMODE_DISABLE |
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| 342 | * @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON |
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| 343 | * @retval None |
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| 344 | */ |
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| 345 | __STATIC_INLINE void LL_COMP_SetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON, uint32_t WindowMode) |
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| 346 | { |
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| 347 | MODIFY_REG(COMPxy_COMMON->CSR, COMP_CSR_WNDWEN, WindowMode); |
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| 348 | } |
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| 349 | |||
| 350 | /** |
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| 351 | * @brief Get window mode of a pair of comparators instances |
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| 352 | * (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>). |
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| 353 | * @rmtoll CSR WNDWEN LL_COMP_GetCommonWindowMode |
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| 354 | * @param COMPxy_COMMON Comparator common instance |
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| 355 | * (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() ) |
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| 356 | * @retval Returned value can be one of the following values: |
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| 357 | * @arg @ref LL_COMP_WINDOWMODE_DISABLE |
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| 358 | * @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON |
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| 359 | */ |
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| 360 | __STATIC_INLINE uint32_t LL_COMP_GetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON) |
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| 361 | { |
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| 362 | return (uint32_t)(READ_BIT(COMPxy_COMMON->CSR, COMP_CSR_WNDWEN)); |
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| 363 | } |
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| 364 | |||
| 365 | /** |
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| 366 | * @} |
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| 367 | */ |
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| 368 | |||
| 369 | /** @defgroup COMP_LL_EF_Configuration_comparator_modes Configuration of comparator modes |
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| 370 | * @{ |
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| 371 | */ |
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| 372 | |||
| 373 | /** |
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| 374 | * @brief Set comparator instance operating mode to adjust power and speed. |
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| 375 | * @rmtoll CSR COMP1MODE LL_COMP_SetPowerMode\n |
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| 376 | * COMP2MODE LL_COMP_SetPowerMode |
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| 377 | * @param COMPx Comparator instance |
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| 378 | * @param PowerMode This parameter can be one of the following values: |
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| 379 | * @arg @ref LL_COMP_POWERMODE_HIGHSPEED |
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| 380 | * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED |
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| 381 | * @arg @ref LL_COMP_POWERMODE_LOWPOWER |
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| 382 | * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER |
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| 383 | * @retval None |
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| 384 | */ |
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| 385 | __STATIC_INLINE void LL_COMP_SetPowerMode(COMP_TypeDef *COMPx, uint32_t PowerMode) |
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| 386 | { |
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| 387 | MODIFY_REG(COMP->CSR, |
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| 388 | COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx), |
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| 389 | PowerMode << __COMP_BITOFFSET_INSTANCE(COMPx) ); |
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| 390 | } |
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| 391 | |||
| 392 | /** |
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| 393 | * @brief Get comparator instance operating mode to adjust power and speed. |
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| 394 | * @rmtoll CSR COMP1MODE LL_COMP_GetPowerMode\n |
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| 395 | * COMP2MODE LL_COMP_GetPowerMode |
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| 396 | * @param COMPx Comparator instance |
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| 397 | * @retval Returned value can be one of the following values: |
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| 398 | * @arg @ref LL_COMP_POWERMODE_HIGHSPEED |
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| 399 | * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED |
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| 400 | * @arg @ref LL_COMP_POWERMODE_LOWPOWER |
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| 401 | * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER |
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| 402 | */ |
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| 403 | __STATIC_INLINE uint32_t LL_COMP_GetPowerMode(COMP_TypeDef *COMPx) |
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| 404 | { |
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| 405 | return (uint32_t)(READ_BIT(COMP->CSR, |
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| 406 | COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx)) |
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| 407 | >> __COMP_BITOFFSET_INSTANCE(COMPx) |
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| 408 | ); |
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| 409 | } |
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| 410 | |||
| 411 | /** |
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| 412 | * @} |
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| 413 | */ |
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| 414 | |||
| 415 | /** @defgroup COMP_LL_EF_Configuration_comparator_inputs Configuration of comparator inputs |
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| 416 | * @{ |
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| 417 | */ |
||
| 418 | |||
| 419 | /** |
||
| 420 | * @brief Set comparator inputs minus (inverting) and plus (non-inverting). |
||
| 421 | * @note In case of comparator input selected to be connected to IO: |
||
| 422 | * GPIO pins are specific to each comparator instance. |
||
| 423 | * Refer to description of parameters or to reference manual. |
||
| 424 | * @rmtoll CSR COMP1INSEL LL_COMP_ConfigInputs\n |
||
| 425 | * CSR COMP2INSEL LL_COMP_ConfigInputs\n |
||
| 426 | * CSR COMP1SW1 LL_COMP_ConfigInputs |
||
| 427 | * @param COMPx Comparator instance |
||
| 428 | * @param InputMinus This parameter can be one of the following values: |
||
| 429 | * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT |
||
| 430 | * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT |
||
| 431 | * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT |
||
| 432 | * @arg @ref LL_COMP_INPUT_MINUS_VREFINT |
||
| 433 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1 |
||
| 434 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2 |
||
| 435 | * @arg @ref LL_COMP_INPUT_MINUS_IO1 |
||
| 436 | * @param InputPlus This parameter can be one of the following values: |
||
| 437 | * @arg @ref LL_COMP_INPUT_PLUS_IO1 |
||
| 438 | * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1) |
||
| 439 | * |
||
| 440 | * (1) Parameter available only on COMP instance: COMP1. |
||
| 441 | * @retval None |
||
| 442 | */ |
||
| 443 | __STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputMinus, uint32_t InputPlus) |
||
| 444 | { |
||
| 445 | /* Note: Connection switch is applicable only to COMP instance COMP1, */ |
||
| 446 | /* therefore if COMP2 is selected the equivalent bit is */ |
||
| 447 | /* kept unmodified. */ |
||
| 448 | MODIFY_REG(COMP->CSR, |
||
| 449 | (COMP_CSR_COMP1INSEL | (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx))) << __COMP_BITOFFSET_INSTANCE(COMPx), |
||
| 450 | (InputMinus | InputPlus) << __COMP_BITOFFSET_INSTANCE(COMPx) ); |
||
| 451 | } |
||
| 452 | |||
| 453 | /** |
||
| 454 | * @brief Set comparator input plus (non-inverting). |
||
| 455 | * @note In case of comparator input selected to be connected to IO: |
||
| 456 | * GPIO pins are specific to each comparator instance. |
||
| 457 | * Refer to description of parameters or to reference manual. |
||
| 458 | * @rmtoll CSR COMP1INSEL LL_COMP_SetInputPlus\n |
||
| 459 | * CSR COMP2INSEL LL_COMP_SetInputPlus |
||
| 460 | * @param COMPx Comparator instance |
||
| 461 | * @param InputPlus This parameter can be one of the following values: |
||
| 462 | * @arg @ref LL_COMP_INPUT_PLUS_IO1 |
||
| 463 | * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1) |
||
| 464 | * |
||
| 465 | * (1) Parameter available only on COMP instance: COMP1. |
||
| 466 | * @retval None |
||
| 467 | */ |
||
| 468 | __STATIC_INLINE void LL_COMP_SetInputPlus(COMP_TypeDef *COMPx, uint32_t InputPlus) |
||
| 469 | { |
||
| 470 | /* Note: Connection switch is applicable only to COMP instance COMP1, */ |
||
| 471 | /* therefore if COMP2 is selected the equivalent bit is */ |
||
| 472 | /* kept unmodified. */ |
||
| 473 | MODIFY_REG(COMP->CSR, |
||
| 474 | (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx)) << __COMP_BITOFFSET_INSTANCE(COMPx), |
||
| 475 | InputPlus << __COMP_BITOFFSET_INSTANCE(COMPx) ); |
||
| 476 | } |
||
| 477 | |||
| 478 | /** |
||
| 479 | * @brief Get comparator input plus (non-inverting). |
||
| 480 | * @note In case of comparator input selected to be connected to IO: |
||
| 481 | * GPIO pins are specific to each comparator instance. |
||
| 482 | * Refer to description of parameters or to reference manual. |
||
| 483 | * @rmtoll CSR COMP1INSEL LL_COMP_GetInputPlus\n |
||
| 484 | * CSR COMP2INSEL LL_COMP_GetInputPlus |
||
| 485 | * @param COMPx Comparator instance |
||
| 486 | * @retval Returned value can be one of the following values: |
||
| 487 | * @arg @ref LL_COMP_INPUT_PLUS_IO1 |
||
| 488 | * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1) |
||
| 489 | * |
||
| 490 | * (1) Parameter available only on COMP instance: COMP1. |
||
| 491 | */ |
||
| 492 | __STATIC_INLINE uint32_t LL_COMP_GetInputPlus(COMP_TypeDef *COMPx) |
||
| 493 | { |
||
| 494 | /* Note: Connection switch is applicable only to COMP instance COMP1, */ |
||
| 495 | /* therefore is COMP2 is selected the returned value will be null. */ |
||
| 496 | return (uint32_t)(READ_BIT(COMP->CSR, |
||
| 497 | COMP_CSR_COMP1SW1 << __COMP_BITOFFSET_INSTANCE(COMPx)) |
||
| 498 | >> __COMP_BITOFFSET_INSTANCE(COMPx) |
||
| 499 | ); |
||
| 500 | } |
||
| 501 | |||
| 502 | /** |
||
| 503 | * @brief Set comparator input minus (inverting). |
||
| 504 | * @note In case of comparator input selected to be connected to IO: |
||
| 505 | * GPIO pins are specific to each comparator instance. |
||
| 506 | * Refer to description of parameters or to reference manual. |
||
| 507 | * @rmtoll CSR COMP1SW1 LL_COMP_SetInputMinus |
||
| 508 | * @param COMPx Comparator instance |
||
| 509 | * @param InputMinus This parameter can be one of the following values: |
||
| 510 | * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT |
||
| 511 | * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT |
||
| 512 | * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT |
||
| 513 | * @arg @ref LL_COMP_INPUT_MINUS_VREFINT |
||
| 514 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1 |
||
| 515 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2 |
||
| 516 | * @arg @ref LL_COMP_INPUT_MINUS_IO1 |
||
| 517 | * @retval None |
||
| 518 | */ |
||
| 519 | __STATIC_INLINE void LL_COMP_SetInputMinus(COMP_TypeDef *COMPx, uint32_t InputMinus) |
||
| 520 | { |
||
| 521 | MODIFY_REG(COMP->CSR, |
||
| 522 | COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx), |
||
| 523 | InputMinus << __COMP_BITOFFSET_INSTANCE(COMPx) ); |
||
| 524 | } |
||
| 525 | |||
| 526 | /** |
||
| 527 | * @brief Get comparator input minus (inverting). |
||
| 528 | * @note In case of comparator input selected to be connected to IO: |
||
| 529 | * GPIO pins are specific to each comparator instance. |
||
| 530 | * Refer to description of parameters or to reference manual. |
||
| 531 | * @rmtoll CSR COMP1SW1 LL_COMP_GetInputMinus |
||
| 532 | * @param COMPx Comparator instance |
||
| 533 | * @retval Returned value can be one of the following values: |
||
| 534 | * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT |
||
| 535 | * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT |
||
| 536 | * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT |
||
| 537 | * @arg @ref LL_COMP_INPUT_MINUS_VREFINT |
||
| 538 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1 |
||
| 539 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2 |
||
| 540 | * @arg @ref LL_COMP_INPUT_MINUS_IO1 |
||
| 541 | */ |
||
| 542 | __STATIC_INLINE uint32_t LL_COMP_GetInputMinus(COMP_TypeDef *COMPx) |
||
| 543 | { |
||
| 544 | return (uint32_t)(READ_BIT(COMP->CSR, |
||
| 545 | COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx)) |
||
| 546 | >> __COMP_BITOFFSET_INSTANCE(COMPx) |
||
| 547 | ); |
||
| 548 | } |
||
| 549 | |||
| 550 | /** |
||
| 551 | * @brief Set comparator instance hysteresis mode of the input minus (inverting input). |
||
| 552 | * @rmtoll CSR COMP1HYST LL_COMP_SetInputHysteresis\n |
||
| 553 | * COMP2HYST LL_COMP_SetInputHysteresis |
||
| 554 | * @param COMPx Comparator instance |
||
| 555 | * @param InputHysteresis This parameter can be one of the following values: |
||
| 556 | * @arg @ref LL_COMP_HYSTERESIS_NONE |
||
| 557 | * @arg @ref LL_COMP_HYSTERESIS_LOW |
||
| 558 | * @arg @ref LL_COMP_HYSTERESIS_MEDIUM |
||
| 559 | * @arg @ref LL_COMP_HYSTERESIS_HIGH |
||
| 560 | * @retval None |
||
| 561 | */ |
||
| 562 | __STATIC_INLINE void LL_COMP_SetInputHysteresis(COMP_TypeDef *COMPx, uint32_t InputHysteresis) |
||
| 563 | { |
||
| 564 | MODIFY_REG(COMP->CSR, |
||
| 565 | COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx), |
||
| 566 | InputHysteresis << __COMP_BITOFFSET_INSTANCE(COMPx) ); |
||
| 567 | } |
||
| 568 | |||
| 569 | /** |
||
| 570 | * @brief Get comparator instance hysteresis mode of the minus (inverting) input. |
||
| 571 | * @rmtoll CSR COMP1HYST LL_COMP_GetInputHysteresis\n |
||
| 572 | * COMP2HYST LL_COMP_GetInputHysteresis |
||
| 573 | * @param COMPx Comparator instance |
||
| 574 | * @retval Returned value can be one of the following values: |
||
| 575 | * @arg @ref LL_COMP_HYSTERESIS_NONE |
||
| 576 | * @arg @ref LL_COMP_HYSTERESIS_LOW |
||
| 577 | * @arg @ref LL_COMP_HYSTERESIS_MEDIUM |
||
| 578 | * @arg @ref LL_COMP_HYSTERESIS_HIGH |
||
| 579 | */ |
||
| 580 | __STATIC_INLINE uint32_t LL_COMP_GetInputHysteresis(COMP_TypeDef *COMPx) |
||
| 581 | { |
||
| 582 | return (uint32_t)(READ_BIT(COMP->CSR, |
||
| 583 | COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx)) |
||
| 584 | >> __COMP_BITOFFSET_INSTANCE(COMPx) |
||
| 585 | ); |
||
| 586 | |||
| 587 | } |
||
| 588 | |||
| 589 | /** |
||
| 590 | * @} |
||
| 591 | */ |
||
| 592 | |||
| 593 | /** @defgroup COMP_LL_EF_Configuration_comparator_output Configuration of comparator output |
||
| 594 | * @{ |
||
| 595 | */ |
||
| 596 | |||
| 597 | /** |
||
| 598 | * @brief Set comparator output selection. |
||
| 599 | * @note Availability of parameters of output selection to timer |
||
| 600 | * depends on timers availability on the selected device. |
||
| 601 | * @rmtoll CSR COMP1OUTSEL LL_COMP_SetOutputSelection\n |
||
| 602 | * COMP2OUTSEL LL_COMP_SetOutputSelection |
||
| 603 | * @param COMPx Comparator instance |
||
| 604 | * @param OutputSelection This parameter can be one of the following values: |
||
| 605 | * @arg @ref LL_COMP_OUTPUT_NONE |
||
| 606 | * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1) |
||
| 607 | * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1) |
||
| 608 | * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1) |
||
| 609 | * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1) |
||
| 610 | * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1) |
||
| 611 | * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1) |
||
| 612 | * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1) |
||
| 613 | * |
||
| 614 | * (1) Parameter availability depending on timer availability |
||
| 615 | * on the selected device. |
||
| 616 | * @retval None |
||
| 617 | */ |
||
| 618 | __STATIC_INLINE void LL_COMP_SetOutputSelection(COMP_TypeDef *COMPx, uint32_t OutputSelection) |
||
| 619 | { |
||
| 620 | MODIFY_REG(COMP->CSR, |
||
| 621 | COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx), |
||
| 622 | OutputSelection << __COMP_BITOFFSET_INSTANCE(COMPx) ); |
||
| 623 | } |
||
| 624 | |||
| 625 | /** |
||
| 626 | * @brief Get comparator output selection. |
||
| 627 | * @note Availability of parameters of output selection to timer |
||
| 628 | * depends on timers availability on the selected device. |
||
| 629 | * @rmtoll CSR COMP1OUTSEL LL_COMP_GetOutputSelection\n |
||
| 630 | * COMP2OUTSEL LL_COMP_GetOutputSelection |
||
| 631 | * @param COMPx Comparator instance |
||
| 632 | * @retval Returned value can be one of the following values: |
||
| 633 | * @arg @ref LL_COMP_OUTPUT_NONE |
||
| 634 | * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1) |
||
| 635 | * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1) |
||
| 636 | * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1) |
||
| 637 | * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1) |
||
| 638 | * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1) |
||
| 639 | * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1) |
||
| 640 | * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1) |
||
| 641 | * |
||
| 642 | * (1) Parameter availability depending on timer availability |
||
| 643 | * on the selected device. |
||
| 644 | */ |
||
| 645 | __STATIC_INLINE uint32_t LL_COMP_GetOutputSelection(COMP_TypeDef *COMPx) |
||
| 646 | { |
||
| 647 | return (uint32_t)(READ_BIT(COMP->CSR, |
||
| 648 | COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx)) |
||
| 649 | >> __COMP_BITOFFSET_INSTANCE(COMPx) |
||
| 650 | ); |
||
| 651 | } |
||
| 652 | |||
| 653 | /** |
||
| 654 | * @brief Set comparator instance output polarity. |
||
| 655 | * @rmtoll CSR COMP1POL LL_COMP_SetOutputPolarity\n |
||
| 656 | * COMP2POL LL_COMP_SetOutputPolarity |
||
| 657 | * @param COMPx Comparator instance |
||
| 658 | * @param OutputPolarity This parameter can be one of the following values: |
||
| 659 | * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED |
||
| 660 | * @arg @ref LL_COMP_OUTPUTPOL_INVERTED |
||
| 661 | * @retval None |
||
| 662 | */ |
||
| 663 | __STATIC_INLINE void LL_COMP_SetOutputPolarity(COMP_TypeDef *COMPx, uint32_t OutputPolarity) |
||
| 664 | { |
||
| 665 | MODIFY_REG(COMP->CSR, |
||
| 666 | COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx), |
||
| 667 | OutputPolarity << __COMP_BITOFFSET_INSTANCE(COMPx) ); |
||
| 668 | } |
||
| 669 | |||
| 670 | /** |
||
| 671 | * @brief Get comparator instance output polarity. |
||
| 672 | * @rmtoll CSR COMP1POL LL_COMP_GetOutputPolarity\n |
||
| 673 | * COMP2POL LL_COMP_GetOutputPolarity |
||
| 674 | * @param COMPx Comparator instance |
||
| 675 | * @retval Returned value can be one of the following values: |
||
| 676 | * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED |
||
| 677 | * @arg @ref LL_COMP_OUTPUTPOL_INVERTED |
||
| 678 | */ |
||
| 679 | __STATIC_INLINE uint32_t LL_COMP_GetOutputPolarity(COMP_TypeDef *COMPx) |
||
| 680 | { |
||
| 681 | return (uint32_t)(READ_BIT(COMP->CSR, |
||
| 682 | COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx)) |
||
| 683 | >> __COMP_BITOFFSET_INSTANCE(COMPx) |
||
| 684 | ); |
||
| 685 | } |
||
| 686 | |||
| 687 | /** |
||
| 688 | * @} |
||
| 689 | */ |
||
| 690 | |||
| 691 | /** @defgroup COMP_LL_EF_Operation Operation on comparator instance |
||
| 692 | * @{ |
||
| 693 | */ |
||
| 694 | |||
| 695 | /** |
||
| 696 | * @brief Enable comparator instance. |
||
| 697 | * @note After enable from off state, comparator requires a delay |
||
| 698 | * to reach reach propagation delay specification. |
||
| 699 | * Refer to device datasheet, parameter "tSTART". |
||
| 700 | * @rmtoll CSR COMP1EN LL_COMP_Enable\n |
||
| 701 | * CSR COMP2EN LL_COMP_Enable |
||
| 702 | * @param COMPx Comparator instance |
||
| 703 | * @retval None |
||
| 704 | */ |
||
| 705 | __STATIC_INLINE void LL_COMP_Enable(COMP_TypeDef *COMPx) |
||
| 706 | { |
||
| 707 | SET_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); |
||
| 708 | } |
||
| 709 | |||
| 710 | /** |
||
| 711 | * @brief Disable comparator instance. |
||
| 712 | * @rmtoll CSR COMP1EN LL_COMP_Disable\n |
||
| 713 | * CSR COMP2EN LL_COMP_Disable |
||
| 714 | * @param COMPx Comparator instance |
||
| 715 | * @retval None |
||
| 716 | */ |
||
| 717 | __STATIC_INLINE void LL_COMP_Disable(COMP_TypeDef *COMPx) |
||
| 718 | { |
||
| 719 | CLEAR_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); |
||
| 720 | } |
||
| 721 | |||
| 722 | /** |
||
| 723 | * @brief Get comparator enable state |
||
| 724 | * (0: COMP is disabled, 1: COMP is enabled) |
||
| 725 | * @rmtoll CSR COMP1EN LL_COMP_IsEnabled\n |
||
| 726 | * CSR COMP2EN LL_COMP_IsEnabled |
||
| 727 | * @param COMPx Comparator instance |
||
| 728 | * @retval State of bit (1 or 0). |
||
| 729 | */ |
||
| 730 | __STATIC_INLINE uint32_t LL_COMP_IsEnabled(COMP_TypeDef *COMPx) |
||
| 731 | { |
||
| 732 | return (READ_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); |
||
| 733 | } |
||
| 734 | |||
| 735 | /** |
||
| 736 | * @brief Lock comparator instance. |
||
| 737 | * @note Once locked, comparator configuration can be accessed in read-only. |
||
| 738 | * @note The only way to unlock the comparator is a device hardware reset. |
||
| 739 | * @rmtoll CSR COMP1LOCK LL_COMP_Lock\n |
||
| 740 | * CSR COMP2LOCK LL_COMP_Lock |
||
| 741 | * @param COMPx Comparator instance |
||
| 742 | * @retval None |
||
| 743 | */ |
||
| 744 | __STATIC_INLINE void LL_COMP_Lock(COMP_TypeDef *COMPx) |
||
| 745 | { |
||
| 746 | SET_BIT(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)); |
||
| 747 | } |
||
| 748 | |||
| 749 | /** |
||
| 750 | * @brief Get comparator lock state |
||
| 751 | * (0: COMP is unlocked, 1: COMP is locked). |
||
| 752 | * @note Once locked, comparator configuration can be accessed in read-only. |
||
| 753 | * @note The only way to unlock the comparator is a device hardware reset. |
||
| 754 | * @rmtoll CSR COMP1LOCK LL_COMP_IsLocked\n |
||
| 755 | * CSR COMP2LOCK LL_COMP_IsLocked |
||
| 756 | * @param COMPx Comparator instance |
||
| 757 | * @retval State of bit (1 or 0). |
||
| 758 | */ |
||
| 759 | __STATIC_INLINE uint32_t LL_COMP_IsLocked(COMP_TypeDef *COMPx) |
||
| 760 | { |
||
| 761 | return (READ_BIT(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)); |
||
| 762 | } |
||
| 763 | |||
| 764 | /** |
||
| 765 | * @brief Read comparator instance output level. |
||
| 766 | * @note The comparator output level depends on the selected polarity |
||
| 767 | * (Refer to function @ref LL_COMP_SetOutputPolarity()). |
||
| 768 | * If the comparator polarity is not inverted: |
||
| 769 | * - Comparator output is low when the input plus |
||
| 770 | * is at a lower voltage than the input minus |
||
| 771 | * - Comparator output is high when the input plus |
||
| 772 | * is at a higher voltage than the input minus |
||
| 773 | * If the comparator polarity is inverted: |
||
| 774 | * - Comparator output is high when the input plus |
||
| 775 | * is at a lower voltage than the input minus |
||
| 776 | * - Comparator output is low when the input plus |
||
| 777 | * is at a higher voltage than the input minus |
||
| 778 | * @rmtoll CSR COMP1OUT LL_COMP_ReadOutputLevel\n |
||
| 779 | * CSR COMP2OUT LL_COMP_ReadOutputLevel |
||
| 780 | * @param COMPx Comparator instance |
||
| 781 | * @retval Returned value can be one of the following values: |
||
| 782 | * @arg @ref LL_COMP_OUTPUT_LEVEL_LOW |
||
| 783 | * @arg @ref LL_COMP_OUTPUT_LEVEL_HIGH |
||
| 784 | */ |
||
| 785 | __STATIC_INLINE uint32_t LL_COMP_ReadOutputLevel(COMP_TypeDef *COMPx) |
||
| 786 | { |
||
| 787 | return (uint32_t)(READ_BIT(COMP->CSR, |
||
| 788 | COMP_CSR_COMP1OUT << __COMP_BITOFFSET_INSTANCE(COMPx)) |
||
| 789 | >> (__COMP_BITOFFSET_INSTANCE(COMPx) + LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS) |
||
| 790 | ); |
||
| 791 | } |
||
| 792 | |||
| 793 | /** |
||
| 794 | * @} |
||
| 795 | */ |
||
| 796 | |||
| 797 | #if defined(USE_FULL_LL_DRIVER) |
||
| 798 | /** @defgroup COMP_LL_EF_Init Initialization and de-initialization functions |
||
| 799 | * @{ |
||
| 800 | */ |
||
| 801 | |||
| 802 | ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx); |
||
| 803 | ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct); |
||
| 804 | void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct); |
||
| 805 | |||
| 806 | /** |
||
| 807 | * @} |
||
| 808 | */ |
||
| 809 | #endif /* USE_FULL_LL_DRIVER */ |
||
| 810 | |||
| 811 | /** |
||
| 812 | * @} |
||
| 813 | */ |
||
| 814 | |||
| 815 | /** |
||
| 816 | * @} |
||
| 817 | */ |
||
| 818 | |||
| 819 | #endif /* COMP1 || COMP2 */ |
||
| 820 | |||
| 821 | /** |
||
| 822 | * @} |
||
| 823 | */ |
||
| 824 | |||
| 825 | #ifdef __cplusplus |
||
| 826 | } |
||
| 827 | #endif |
||
| 828 | |||
| 829 | #endif /* __STM32F0xx_LL_COMP_H */ |
||
| 830 | |||
| 831 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |