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| 483170 | 1 | /** |
| Q | 2 | ****************************************************************************** |
| 3 | * @file stm32f0xx_ll_comp.h | |
| 4 | * @author MCD Application Team | |
| 5 | * @brief Header file of COMP LL module. | |
| 6 | ****************************************************************************** | |
| 7 | * @attention | |
| 8 | * | |
| 9 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> | |
| 10 | * | |
| 11 | * Redistribution and use in source and binary forms, with or without modification, | |
| 12 | * are permitted provided that the following conditions are met: | |
| 13 | * 1. Redistributions of source code must retain the above copyright notice, | |
| 14 | * this list of conditions and the following disclaimer. | |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 16 | * this list of conditions and the following disclaimer in the documentation | |
| 17 | * and/or other materials provided with the distribution. | |
| 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors | |
| 19 | * may be used to endorse or promote products derived from this software | |
| 20 | * without specific prior written permission. | |
| 21 | * | |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 32 | * | |
| 33 | ****************************************************************************** | |
| 34 | */ | |
| 35 | ||
| 36 | /* Define to prevent recursive inclusion -------------------------------------*/ | |
| 37 | #ifndef __STM32F0xx_LL_COMP_H | |
| 38 | #define __STM32F0xx_LL_COMP_H | |
| 39 | ||
| 40 | #ifdef __cplusplus | |
| 41 | extern "C" { | |
| 42 | #endif | |
| 43 | ||
| 44 | /* Includes ------------------------------------------------------------------*/ | |
| 45 | #include "stm32f0xx.h" | |
| 46 | ||
| 47 | /** @addtogroup STM32F0xx_LL_Driver | |
| 48 | * @{ | |
| 49 | */ | |
| 50 | ||
| 51 | #if defined (COMP1) || defined (COMP2) | |
| 52 | ||
| 53 | /** @defgroup COMP_LL COMP | |
| 54 | * @{ | |
| 55 | */ | |
| 56 | ||
| 57 | /* Private types -------------------------------------------------------------*/ | |
| 58 | /* Private variables ---------------------------------------------------------*/ | |
| 59 | /* Private constants ---------------------------------------------------------*/ | |
| 60 | /** @defgroup COMP_LL_Private_Constants COMP Private Constants | |
| 61 | * @{ | |
| 62 | */ | |
| 63 | ||
| 64 | /* Differentiation between COMP instances */ | |
| 65 | /* Note: Value not corresponding to a register offset since both */ | |
| 66 | /* COMP instances are sharing the same register) . */ | |
| 67 | #define COMPX_BASE COMP_BASE | |
| 68 | #define COMPX (COMP1 - COMP2) | |
| 69 | ||
| 70 | /* COMP registers bits positions */ | |
| 71 | #define LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS ((uint32_t)14U) /* Value equivalent to POSITION_VAL(COMP_CSR_COMP1OUT) */ | |
| 72 | ||
| 73 | /** | |
| 74 | * @} | |
| 75 | */ | |
| 76 | ||
| 77 | /* Private macros ------------------------------------------------------------*/ | |
| 78 | /** @defgroup COMP_LL_Private_Macros COMP Private Macros | |
| 79 | * @{ | |
| 80 | */ | |
| 81 | ||
| 82 | /** | |
| 83 | * @brief Driver macro reserved for internal use: if COMP instance selected | |
| 84 | * is odd (COMP1, COMP3, ...), return value '1', else return '0'. | |
| 85 | * @param __COMP_INSTANCE__ COMP instance | |
| 86 | * @retval If COMP instance is odd, value '1'. Else, value '0'. | |
| 87 | */ | |
| 88 | #define __COMP_IS_INSTANCE_ODD(__COMP_INSTANCE__) \ | |
| 89 | ((~(((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U)) & 0x00000001) | |
| 90 | ||
| 91 | /** | |
| 92 | * @brief Driver macro reserved for internal use: if COMP instance selected | |
| 93 | * is even (COMP2, COMP4, ...), return value '1', else return '0'. | |
| 94 | * @param __COMP_INSTANCE__ COMP instance | |
| 95 | * @retval If COMP instance is even, value '1'. Else, value '0'. | |
| 96 | */ | |
| 97 | #define __COMP_IS_INSTANCE_EVEN(__COMP_INSTANCE__) \ | |
| 98 | (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U) | |
| 99 | ||
| 100 | /** | |
| 101 | * @brief Driver macro reserved for internal use: from COMP instance | |
| 102 | * selected, set offset of bits into COMP register. | |
| 103 | * @note Since both COMP instances are sharing the same register | |
| 104 | * with 2 area of bits with an offset of 16 bits, this function | |
| 105 | * returns value "0" if COMP1 is selected and "16" if COMP2 is | |
| 106 | * selected. | |
| 107 | * @param __COMP_INSTANCE__ COMP instance | |
| 108 | * @retval Bits offset in register 32 bits | |
| 109 | */ | |
| 110 | #define __COMP_BITOFFSET_INSTANCE(__COMP_INSTANCE__) \ | |
| 111 | (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) << 3U) | |
| 112 | ||
| 113 | /** | |
| 114 | * @} | |
| 115 | */ | |
| 116 | ||
| 117 | /* Exported types ------------------------------------------------------------*/ | |
| 118 | #if defined(USE_FULL_LL_DRIVER) | |
| 119 | /** @defgroup COMP_LL_ES_INIT COMP Exported Init structure | |
| 120 | * @{ | |
| 121 | */ | |
| 122 | ||
| 123 | /** | |
| 124 | * @brief Structure definition of some features of COMP instance. | |
| 125 | */ | |
| 126 | typedef struct | |
| 127 | { | |
| 128 | uint32_t PowerMode; /*!< Set comparator operating mode to adjust power and speed. | |
| 129 | This parameter can be a value of @ref COMP_LL_EC_POWERMODE | |
| 130 | ||
| 131 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetPowerMode(). */ | |
| 132 | ||
| 133 | uint32_t InputPlus; /*!< Set comparator input plus (non-inverting input). | |
| 134 | This parameter can be a value of @ref COMP_LL_EC_INPUT_PLUS | |
| 135 | ||
| 136 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputPlus(). */ | |
| 137 | ||
| 138 | uint32_t InputMinus; /*!< Set comparator input minus (inverting input). | |
| 139 | This parameter can be a value of @ref COMP_LL_EC_INPUT_MINUS | |
| 140 | ||
| 141 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputMinus(). */ | |
| 142 | ||
| 143 | uint32_t InputHysteresis; /*!< Set comparator hysteresis mode of the input minus. | |
| 144 | This parameter can be a value of @ref COMP_LL_EC_INPUT_HYSTERESIS | |
| 145 | ||
| 146 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputHysteresis(). */ | |
| 147 | ||
| 148 | uint32_t OutputSelection; /*!< Set comparator output selection. | |
| 149 | This parameter can be a value of @ref COMP_LL_EC_OUTPUT_SELECTION | |
| 150 | ||
| 151 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputSelection(). */ | |
| 152 | ||
| 153 | uint32_t OutputPolarity; /*!< Set comparator output polarity. | |
| 154 | This parameter can be a value of @ref COMP_LL_EC_OUTPUT_POLARITY | |
| 155 | ||
| 156 | This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputPolarity(). */ | |
| 157 | ||
| 158 | } LL_COMP_InitTypeDef; | |
| 159 | ||
| 160 | /** | |
| 161 | * @} | |
| 162 | */ | |
| 163 | #endif /* USE_FULL_LL_DRIVER */ | |
| 164 | ||
| 165 | /* Exported constants --------------------------------------------------------*/ | |
| 166 | /** @defgroup COMP_LL_Exported_Constants COMP Exported Constants | |
| 167 | * @{ | |
| 168 | */ | |
| 169 | ||
| 170 | /** @defgroup COMP_LL_EC_COMMON_WINDOWMODE Comparator common modes - Window mode | |
| 171 | * @{ | |
| 172 | */ | |
| 173 | #define LL_COMP_WINDOWMODE_DISABLE ((uint32_t)0x00000000U) /*!< Window mode disable: Comparators 1 and 2 are independent */ | |
| 174 | #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). */ | |
| 175 | /** | |
| 176 | * @} | |
| 177 | */ | |
| 178 | ||
| 179 | /** @defgroup COMP_LL_EC_POWERMODE Comparator modes - Power mode | |
| 180 | * @{ | |
| 181 | */ | |
| 182 | #define LL_COMP_POWERMODE_HIGHSPEED ((uint32_t)0x00000000U) /*!< COMP power mode to high speed */ | |
| 183 | #define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CSR_COMP1MODE_0) /*!< COMP power mode to medium speed */ | |
| 184 | #define LL_COMP_POWERMODE_LOWPOWER (COMP_CSR_COMP1MODE_1) /*!< COMP power mode to low power */ | |
| 185 | #define LL_COMP_POWERMODE_ULTRALOWPOWER (COMP_CSR_COMP1MODE_1 | COMP_CSR_COMP1MODE_0) /*!< COMP power mode to ultra-low power */ | |
| 186 | /** | |
| 187 | * @} | |
| 188 | */ | |
| 189 | ||
| 190 | /** @defgroup COMP_LL_EC_INPUT_PLUS Comparator inputs - Input plus (input non-inverting) selection | |
| 191 | * @{ | |
| 192 | */ | |
| 193 | #define LL_COMP_INPUT_PLUS_IO1 ((uint32_t)0x00000000U) /*!< Comparator input plus connected to IO1 (pin PA1 for COMP1, pin PA3 for COMP2) */ | |
| 194 | #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) */ | |
| 195 | /** | |
| 196 | * @} | |
| 197 | */ | |
| 198 | ||
| 199 | /** @defgroup COMP_LL_EC_INPUT_MINUS Comparator inputs - Input minus (input inverting) selection | |
| 200 | * @{ | |
| 201 | */ | |
| 202 | #define LL_COMP_INPUT_MINUS_1_4VREFINT ((uint32_t)0x00000000U) /*!< Comparator input minus connected to 1/4 VrefInt */ | |
| 203 | #define LL_COMP_INPUT_MINUS_1_2VREFINT ( COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to 1/2 VrefInt */ | |
| 204 | #define LL_COMP_INPUT_MINUS_3_4VREFINT ( COMP_CSR_COMP1INSEL_1 ) /*!< Comparator input minus connected to 3/4 VrefInt */ | |
| 205 | #define LL_COMP_INPUT_MINUS_VREFINT ( COMP_CSR_COMP1INSEL_1 | COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to VrefInt */ | |
| 206 | #define LL_COMP_INPUT_MINUS_DAC1_CH1 (COMP_CSR_COMP1INSEL_2 ) /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */ | |
| 207 | #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) */ | |
| 208 | #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) */ | |
| 209 | /** | |
| 210 | * @} | |
| 211 | */ | |
| 212 | ||
| 213 | /** @defgroup COMP_LL_EC_INPUT_HYSTERESIS Comparator input - Hysteresis | |
| 214 | * @{ | |
| 215 | */ | |
| 216 | #define LL_COMP_HYSTERESIS_NONE ((uint32_t)0x00000000U) /*!< No hysteresis */ | |
| 217 | #define LL_COMP_HYSTERESIS_LOW ( COMP_CSR_COMP1HYST_0) /*!< Hysteresis level low */ | |
| 218 | #define LL_COMP_HYSTERESIS_MEDIUM (COMP_CSR_COMP1HYST_1 ) /*!< Hysteresis level medium */ | |
| 219 | #define LL_COMP_HYSTERESIS_HIGH (COMP_CSR_COMP1HYST_1 | COMP_CSR_COMP1HYST_0) /*!< Hysteresis level high */ | |
| 220 | /** | |
| 221 | * @} | |
| 222 | */ | |
| 223 | ||
| 224 | /** @defgroup COMP_LL_EC_OUTPUT_SELECTION Comparator output - Output selection | |
| 225 | * @{ | |
| 226 | */ | |
| 227 | /* Note: Output redirection is common for COMP1 and COMP2 */ | |
| 228 | #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) */ | |
| 229 | #define LL_COMP_OUTPUT_TIM1_BKIN (COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 break input (BKIN) */ | |
| 230 | #define LL_COMP_OUTPUT_TIM1_IC1 (COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM1 input capture 1 */ | |
| 231 | #define LL_COMP_OUTPUT_TIM1_OCCLR (COMP_CSR_COMP1OUTSEL_1 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 OCREF clear */ | |
| 232 | #define LL_COMP_OUTPUT_TIM2_IC4 (COMP_CSR_COMP1OUTSEL_2) /*!< COMP output connected to TIM2 input capture 4 */ | |
| 233 | #define LL_COMP_OUTPUT_TIM2_OCCLR (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM2 OCREF clear */ | |
| 234 | #define LL_COMP_OUTPUT_TIM3_IC1 (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM3 input capture 1 */ | |
| 235 | #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 */ | |
| 236 | /** | |
| 237 | * @} | |
| 238 | */ | |
| 239 | ||
| 240 | /** @defgroup COMP_LL_EC_OUTPUT_POLARITY Comparator output - Output polarity | |
| 241 | * @{ | |
| 242 | */ | |
| 243 | #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 */ | |
| 244 | #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 */ | |
| 245 | /** | |
| 246 | * @} | |
| 247 | */ | |
| 248 | ||
| 249 | /** @defgroup COMP_LL_EC_OUTPUT_LEVEL Comparator output - Output level | |
| 250 | * @{ | |
| 251 | */ | |
| 252 | #define LL_COMP_OUTPUT_LEVEL_LOW ((uint32_t)0x00000000U) /*!< Comparator output level low (if the polarity is not inverted, otherwise to be complemented) */ | |
| 253 | #define LL_COMP_OUTPUT_LEVEL_HIGH ((uint32_t)0x00000001U) /*!< Comparator output level high (if the polarity is not inverted, otherwise to be complemented) */ | |
| 254 | /** | |
| 255 | * @} | |
| 256 | */ | |
| 257 | ||
| 258 | /** @defgroup COMP_LL_EC_HW_DELAYS Definitions of COMP hardware constraints delays | |
| 259 | * @note Only COMP IP HW delays are defined in COMP LL driver driver, | |
| 260 | * not timeout values. | |
| 261 | * For details on delays values, refer to descriptions in source code | |
| 262 | * above each literal definition. | |
| 263 | * @{ | |
| 264 | */ | |
| 265 | ||
| 266 | /* Delay for comparator startup time. */ | |
| 267 | /* Note: Delay required to reach propagation delay specification. */ | |
| 268 | /* Literal set to maximum value (refer to device datasheet, */ | |
| 269 | /* parameter "tSTART"). */ | |
| 270 | /* Unit: us */ | |
| 271 | #define LL_COMP_DELAY_STARTUP_US ((uint32_t) 60U) /*!< Delay for COMP startup time */ | |
| 272 | ||
| 273 | /* Delay for comparator voltage scaler stabilization time */ | |
| 274 | /* (voltage from VrefInt, delay based on VrefInt startup time). */ | |
| 275 | /* Literal set to maximum value (refer to device datasheet, */ | |
| 276 | /* parameter "tS_SC"). */ | |
| 277 | /* Unit: us */ | |
| 278 | #define LL_COMP_DELAY_VOLTAGE_SCALER_STAB_US ((uint32_t) 200U) /*!< Delay for COMP voltage scaler stabilization time */ | |
| 279 | ||
| 280 | ||
| 281 | /** | |
| 282 | * @} | |
| 283 | */ | |
| 284 | ||
| 285 | /** | |
| 286 | * @} | |
| 287 | */ | |
| 288 | ||
| 289 | /* Exported macro ------------------------------------------------------------*/ | |
| 290 | /** @defgroup COMP_LL_Exported_Macros COMP Exported Macros | |
| 291 | * @{ | |
| 292 | */ | |
| 293 | /** @defgroup COMP_LL_EM_WRITE_READ Common write and read registers macro | |
| 294 | * @{ | |
| 295 | */ | |
| 296 | ||
| 297 | /** | |
| 298 | * @brief Write a value in COMP register | |
| 299 | * @param __INSTANCE__ comparator instance | |
| 300 | * @param __REG__ Register to be written | |
| 301 | * @param __VALUE__ Value to be written in the register | |
| 302 | * @retval None | |
| 303 | */ | |
| 304 | #define LL_COMP_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) | |
| 305 | ||
| 306 | /** | |
| 307 | * @brief Read a value in COMP register | |
| 308 | * @param __INSTANCE__ comparator instance | |
| 309 | * @param __REG__ Register to be read | |
| 310 | * @retval Register value | |
| 311 | */ | |
| 312 | #define LL_COMP_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) | |
| 313 | /** | |
| 314 | * @} | |
| 315 | */ | |
| 316 | ||
| 317 | /** @defgroup COMP_LL_EM_HELPER_MACRO COMP helper macro | |
| 318 | * @{ | |
| 319 | */ | |
| 320 | ||
| 321 | /** | |
| 322 | * @brief Helper macro to select the COMP common instance | |
| 323 | * to which is belonging the selected COMP instance. | |
| 324 | * @note COMP common register instance can be used to | |
| 325 | * set parameters common to several COMP instances. | |
| 326 | * Refer to functions having argument "COMPxy_COMMON" as parameter. | |
| 327 | * @param __COMPx__ COMP instance | |
| 328 | * @retval COMP common instance or value "0" if there is no COMP common instance. | |
| 329 | */ | |
| 330 | #define __LL_COMP_COMMON_INSTANCE(__COMPx__) \ | |
| 331 | (COMP12_COMMON) | |
| 332 | ||
| 333 | /** | |
| 334 | * @} | |
| 335 | */ | |
| 336 | ||
| 337 | /** | |
| 338 | * @} | |
| 339 | */ | |
| 340 | ||
| 341 | /* Exported functions --------------------------------------------------------*/ | |
| 342 | /** @defgroup COMP_LL_Exported_Functions COMP Exported Functions | |
| 343 | * @{ | |
| 344 | */ | |
| 345 | ||
| 346 | /** @defgroup COMP_LL_EF_Configuration_comparator_common Configuration of COMP hierarchical scope: common to several COMP instances | |
| 347 | * @{ | |
| 348 | */ | |
| 349 | ||
| 350 | /** | |
| 351 | * @brief Set window mode of a pair of comparators instances | |
| 352 | * (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>). | |
| 353 | * @rmtoll CSR WNDWEN LL_COMP_SetCommonWindowMode | |
| 354 | * @param COMPxy_COMMON Comparator common instance | |
| 355 | * (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() ) | |
| 356 | * @param WindowMode This parameter can be one of the following values: | |
| 357 | * @arg @ref LL_COMP_WINDOWMODE_DISABLE | |
| 358 | * @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON | |
| 359 | * @retval None | |
| 360 | */ | |
| 361 | __STATIC_INLINE void LL_COMP_SetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON, uint32_t WindowMode) | |
| 362 | { | |
| 363 | MODIFY_REG(COMPxy_COMMON->CSR, COMP_CSR_WNDWEN, WindowMode); | |
| 364 | } | |
| 365 | ||
| 366 | /** | |
| 367 | * @brief Get window mode of a pair of comparators instances | |
| 368 | * (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>). | |
| 369 | * @rmtoll CSR WNDWEN LL_COMP_GetCommonWindowMode | |
| 370 | * @param COMPxy_COMMON Comparator common instance | |
| 371 | * (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() ) | |
| 372 | * @retval Returned value can be one of the following values: | |
| 373 | * @arg @ref LL_COMP_WINDOWMODE_DISABLE | |
| 374 | * @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON | |
| 375 | */ | |
| 376 | __STATIC_INLINE uint32_t LL_COMP_GetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON) | |
| 377 | { | |
| 378 | return (uint32_t)(READ_BIT(COMPxy_COMMON->CSR, COMP_CSR_WNDWEN)); | |
| 379 | } | |
| 380 | ||
| 381 | /** | |
| 382 | * @} | |
| 383 | */ | |
| 384 | ||
| 385 | /** @defgroup COMP_LL_EF_Configuration_comparator_modes Configuration of comparator modes | |
| 386 | * @{ | |
| 387 | */ | |
| 388 | ||
| 389 | /** | |
| 390 | * @brief Set comparator instance operating mode to adjust power and speed. | |
| 391 | * @rmtoll CSR COMP1MODE LL_COMP_SetPowerMode\n | |
| 392 | * COMP2MODE LL_COMP_SetPowerMode | |
| 393 | * @param COMPx Comparator instance | |
| 394 | * @param PowerMode This parameter can be one of the following values: | |
| 395 | * @arg @ref LL_COMP_POWERMODE_HIGHSPEED | |
| 396 | * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED | |
| 397 | * @arg @ref LL_COMP_POWERMODE_LOWPOWER | |
| 398 | * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER | |
| 399 | * @retval None | |
| 400 | */ | |
| 401 | __STATIC_INLINE void LL_COMP_SetPowerMode(COMP_TypeDef *COMPx, uint32_t PowerMode) | |
| 402 | { | |
| 403 | MODIFY_REG(COMP->CSR, | |
| 404 | COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx), | |
| 405 | PowerMode << __COMP_BITOFFSET_INSTANCE(COMPx) ); | |
| 406 | } | |
| 407 | ||
| 408 | /** | |
| 409 | * @brief Get comparator instance operating mode to adjust power and speed. | |
| 410 | * @rmtoll CSR COMP1MODE LL_COMP_GetPowerMode\n | |
| 411 | * COMP2MODE LL_COMP_GetPowerMode | |
| 412 | * @param COMPx Comparator instance | |
| 413 | * @retval Returned value can be one of the following values: | |
| 414 | * @arg @ref LL_COMP_POWERMODE_HIGHSPEED | |
| 415 | * @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED | |
| 416 | * @arg @ref LL_COMP_POWERMODE_LOWPOWER | |
| 417 | * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER | |
| 418 | */ | |
| 419 | __STATIC_INLINE uint32_t LL_COMP_GetPowerMode(COMP_TypeDef *COMPx) | |
| 420 | { | |
| 421 | return (uint32_t)(READ_BIT(COMP->CSR, | |
| 422 | COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx)) | |
| 423 | >> __COMP_BITOFFSET_INSTANCE(COMPx) | |
| 424 | ); | |
| 425 | } | |
| 426 | ||
| 427 | /** | |
| 428 | * @} | |
| 429 | */ | |
| 430 | ||
| 431 | /** @defgroup COMP_LL_EF_Configuration_comparator_inputs Configuration of comparator inputs | |
| 432 | * @{ | |
| 433 | */ | |
| 434 | ||
| 435 | /** | |
| 436 | * @brief Set comparator inputs minus (inverting) and plus (non-inverting). | |
| 437 | * @note In case of comparator input selected to be connected to IO: | |
| 438 | * GPIO pins are specific to each comparator instance. | |
| 439 | * Refer to description of parameters or to reference manual. | |
| 440 | * @rmtoll CSR COMP1INSEL LL_COMP_ConfigInputs\n | |
| 441 | * CSR COMP2INSEL LL_COMP_ConfigInputs\n | |
| 442 | * CSR COMP1SW1 LL_COMP_ConfigInputs | |
| 443 | * @param COMPx Comparator instance | |
| 444 | * @param InputMinus This parameter can be one of the following values: | |
| 445 | * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT | |
| 446 | * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT | |
| 447 | * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT | |
| 448 | * @arg @ref LL_COMP_INPUT_MINUS_VREFINT | |
| 449 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1 | |
| 450 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2 | |
| 451 | * @arg @ref LL_COMP_INPUT_MINUS_IO1 | |
| 452 | * @param InputPlus This parameter can be one of the following values: | |
| 453 | * @arg @ref LL_COMP_INPUT_PLUS_IO1 | |
| 454 | * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1) | |
| 455 | * | |
| 456 | * (1) Parameter available only on COMP instance: COMP1. | |
| 457 | * @retval None | |
| 458 | */ | |
| 459 | __STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputMinus, uint32_t InputPlus) | |
| 460 | { | |
| 461 | /* Note: Connection switch is applicable only to COMP instance COMP1, */ | |
| 462 | /* therefore if COMP2 is selected the equivalent bit is */ | |
| 463 | /* kept unmodified. */ | |
| 464 | MODIFY_REG(COMP->CSR, | |
| 465 | (COMP_CSR_COMP1INSEL | (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx))) << __COMP_BITOFFSET_INSTANCE(COMPx), | |
| 466 | (InputMinus | InputPlus) << __COMP_BITOFFSET_INSTANCE(COMPx) ); | |
| 467 | } | |
| 468 | ||
| 469 | /** | |
| 470 | * @brief Set comparator input plus (non-inverting). | |
| 471 | * @note In case of comparator input selected to be connected to IO: | |
| 472 | * GPIO pins are specific to each comparator instance. | |
| 473 | * Refer to description of parameters or to reference manual. | |
| 474 | * @rmtoll CSR COMP1INSEL LL_COMP_SetInputPlus\n | |
| 475 | * CSR COMP2INSEL LL_COMP_SetInputPlus | |
| 476 | * @param COMPx Comparator instance | |
| 477 | * @param InputPlus This parameter can be one of the following values: | |
| 478 | * @arg @ref LL_COMP_INPUT_PLUS_IO1 | |
| 479 | * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1) | |
| 480 | * | |
| 481 | * (1) Parameter available only on COMP instance: COMP1. | |
| 482 | * @retval None | |
| 483 | */ | |
| 484 | __STATIC_INLINE void LL_COMP_SetInputPlus(COMP_TypeDef *COMPx, uint32_t InputPlus) | |
| 485 | { | |
| 486 | /* Note: Connection switch is applicable only to COMP instance COMP1, */ | |
| 487 | /* therefore if COMP2 is selected the equivalent bit is */ | |
| 488 | /* kept unmodified. */ | |
| 489 | MODIFY_REG(COMP->CSR, | |
| 490 | (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx)) << __COMP_BITOFFSET_INSTANCE(COMPx), | |
| 491 | InputPlus << __COMP_BITOFFSET_INSTANCE(COMPx) ); | |
| 492 | } | |
| 493 | ||
| 494 | /** | |
| 495 | * @brief Get comparator input plus (non-inverting). | |
| 496 | * @note In case of comparator input selected to be connected to IO: | |
| 497 | * GPIO pins are specific to each comparator instance. | |
| 498 | * Refer to description of parameters or to reference manual. | |
| 499 | * @rmtoll CSR COMP1INSEL LL_COMP_GetInputPlus\n | |
| 500 | * CSR COMP2INSEL LL_COMP_GetInputPlus | |
| 501 | * @param COMPx Comparator instance | |
| 502 | * @retval Returned value can be one of the following values: | |
| 503 | * @arg @ref LL_COMP_INPUT_PLUS_IO1 | |
| 504 | * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1) | |
| 505 | * | |
| 506 | * (1) Parameter available only on COMP instance: COMP1. | |
| 507 | */ | |
| 508 | __STATIC_INLINE uint32_t LL_COMP_GetInputPlus(COMP_TypeDef *COMPx) | |
| 509 | { | |
| 510 | /* Note: Connection switch is applicable only to COMP instance COMP1, */ | |
| 511 | /* therefore is COMP2 is selected the returned value will be null. */ | |
| 512 | return (uint32_t)(READ_BIT(COMP->CSR, | |
| 513 | COMP_CSR_COMP1SW1 << __COMP_BITOFFSET_INSTANCE(COMPx)) | |
| 514 | >> __COMP_BITOFFSET_INSTANCE(COMPx) | |
| 515 | ); | |
| 516 | } | |
| 517 | ||
| 518 | /** | |
| 519 | * @brief Set comparator input minus (inverting). | |
| 520 | * @note In case of comparator input selected to be connected to IO: | |
| 521 | * GPIO pins are specific to each comparator instance. | |
| 522 | * Refer to description of parameters or to reference manual. | |
| 523 | * @rmtoll CSR COMP1SW1 LL_COMP_SetInputMinus | |
| 524 | * @param COMPx Comparator instance | |
| 525 | * @param InputMinus This parameter can be one of the following values: | |
| 526 | * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT | |
| 527 | * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT | |
| 528 | * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT | |
| 529 | * @arg @ref LL_COMP_INPUT_MINUS_VREFINT | |
| 530 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1 | |
| 531 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2 | |
| 532 | * @arg @ref LL_COMP_INPUT_MINUS_IO1 | |
| 533 | * @retval None | |
| 534 | */ | |
| 535 | __STATIC_INLINE void LL_COMP_SetInputMinus(COMP_TypeDef *COMPx, uint32_t InputMinus) | |
| 536 | { | |
| 537 | MODIFY_REG(COMP->CSR, | |
| 538 | COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx), | |
| 539 | InputMinus << __COMP_BITOFFSET_INSTANCE(COMPx) ); | |
| 540 | } | |
| 541 | ||
| 542 | /** | |
| 543 | * @brief Get comparator input minus (inverting). | |
| 544 | * @note In case of comparator input selected to be connected to IO: | |
| 545 | * GPIO pins are specific to each comparator instance. | |
| 546 | * Refer to description of parameters or to reference manual. | |
| 547 | * @rmtoll CSR COMP1SW1 LL_COMP_GetInputMinus | |
| 548 | * @param COMPx Comparator instance | |
| 549 | * @retval Returned value can be one of the following values: | |
| 550 | * @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT | |
| 551 | * @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT | |
| 552 | * @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT | |
| 553 | * @arg @ref LL_COMP_INPUT_MINUS_VREFINT | |
| 554 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1 | |
| 555 | * @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2 | |
| 556 | * @arg @ref LL_COMP_INPUT_MINUS_IO1 | |
| 557 | */ | |
| 558 | __STATIC_INLINE uint32_t LL_COMP_GetInputMinus(COMP_TypeDef *COMPx) | |
| 559 | { | |
| 560 | return (uint32_t)(READ_BIT(COMP->CSR, | |
| 561 | COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx)) | |
| 562 | >> __COMP_BITOFFSET_INSTANCE(COMPx) | |
| 563 | ); | |
| 564 | } | |
| 565 | ||
| 566 | /** | |
| 567 | * @brief Set comparator instance hysteresis mode of the input minus (inverting input). | |
| 568 | * @rmtoll CSR COMP1HYST LL_COMP_SetInputHysteresis\n | |
| 569 | * COMP2HYST LL_COMP_SetInputHysteresis | |
| 570 | * @param COMPx Comparator instance | |
| 571 | * @param InputHysteresis This parameter can be one of the following values: | |
| 572 | * @arg @ref LL_COMP_HYSTERESIS_NONE | |
| 573 | * @arg @ref LL_COMP_HYSTERESIS_LOW | |
| 574 | * @arg @ref LL_COMP_HYSTERESIS_MEDIUM | |
| 575 | * @arg @ref LL_COMP_HYSTERESIS_HIGH | |
| 576 | * @retval None | |
| 577 | */ | |
| 578 | __STATIC_INLINE void LL_COMP_SetInputHysteresis(COMP_TypeDef *COMPx, uint32_t InputHysteresis) | |
| 579 | { | |
| 580 | MODIFY_REG(COMP->CSR, | |
| 581 | COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx), | |
| 582 | InputHysteresis << __COMP_BITOFFSET_INSTANCE(COMPx) ); | |
| 583 | } | |
| 584 | ||
| 585 | /** | |
| 586 | * @brief Get comparator instance hysteresis mode of the minus (inverting) input. | |
| 587 | * @rmtoll CSR COMP1HYST LL_COMP_GetInputHysteresis\n | |
| 588 | * COMP2HYST LL_COMP_GetInputHysteresis | |
| 589 | * @param COMPx Comparator instance | |
| 590 | * @retval Returned value can be one of the following values: | |
| 591 | * @arg @ref LL_COMP_HYSTERESIS_NONE | |
| 592 | * @arg @ref LL_COMP_HYSTERESIS_LOW | |
| 593 | * @arg @ref LL_COMP_HYSTERESIS_MEDIUM | |
| 594 | * @arg @ref LL_COMP_HYSTERESIS_HIGH | |
| 595 | */ | |
| 596 | __STATIC_INLINE uint32_t LL_COMP_GetInputHysteresis(COMP_TypeDef *COMPx) | |
| 597 | { | |
| 598 | return (uint32_t)(READ_BIT(COMP->CSR, | |
| 599 | COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx)) | |
| 600 | >> __COMP_BITOFFSET_INSTANCE(COMPx) | |
| 601 | ); | |
| 602 | ||
| 603 | } | |
| 604 | ||
| 605 | /** | |
| 606 | * @} | |
| 607 | */ | |
| 608 | ||
| 609 | /** @defgroup COMP_LL_EF_Configuration_comparator_output Configuration of comparator output | |
| 610 | * @{ | |
| 611 | */ | |
| 612 | ||
| 613 | /** | |
| 614 | * @brief Set comparator output selection. | |
| 615 | * @note Availability of parameters of output selection to timer | |
| 616 | * depends on timers availability on the selected device. | |
| 617 | * @rmtoll CSR COMP1OUTSEL LL_COMP_SetOutputSelection\n | |
| 618 | * COMP2OUTSEL LL_COMP_SetOutputSelection | |
| 619 | * @param COMPx Comparator instance | |
| 620 | * @param OutputSelection This parameter can be one of the following values: | |
| 621 | * @arg @ref LL_COMP_OUTPUT_NONE | |
| 622 | * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1) | |
| 623 | * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1) | |
| 624 | * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1) | |
| 625 | * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1) | |
| 626 | * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1) | |
| 627 | * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1) | |
| 628 | * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1) | |
| 629 | * | |
| 630 | * (1) Parameter availability depending on timer availability | |
| 631 | * on the selected device. | |
| 632 | * @retval None | |
| 633 | */ | |
| 634 | __STATIC_INLINE void LL_COMP_SetOutputSelection(COMP_TypeDef *COMPx, uint32_t OutputSelection) | |
| 635 | { | |
| 636 | MODIFY_REG(COMP->CSR, | |
| 637 | COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx), | |
| 638 | OutputSelection << __COMP_BITOFFSET_INSTANCE(COMPx) ); | |
| 639 | } | |
| 640 | ||
| 641 | /** | |
| 642 | * @brief Get comparator output selection. | |
| 643 | * @note Availability of parameters of output selection to timer | |
| 644 | * depends on timers availability on the selected device. | |
| 645 | * @rmtoll CSR COMP1OUTSEL LL_COMP_GetOutputSelection\n | |
| 646 | * COMP2OUTSEL LL_COMP_GetOutputSelection | |
| 647 | * @param COMPx Comparator instance | |
| 648 | * @retval Returned value can be one of the following values: | |
| 649 | * @arg @ref LL_COMP_OUTPUT_NONE | |
| 650 | * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1) | |
| 651 | * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1) | |
| 652 | * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1) | |
| 653 | * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1) | |
| 654 | * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1) | |
| 655 | * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1) | |
| 656 | * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1) | |
| 657 | * | |
| 658 | * (1) Parameter availability depending on timer availability | |
| 659 | * on the selected device. | |
| 660 | */ | |
| 661 | __STATIC_INLINE uint32_t LL_COMP_GetOutputSelection(COMP_TypeDef *COMPx) | |
| 662 | { | |
| 663 | return (uint32_t)(READ_BIT(COMP->CSR, | |
| 664 | COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx)) | |
| 665 | >> __COMP_BITOFFSET_INSTANCE(COMPx) | |
| 666 | ); | |
| 667 | } | |
| 668 | ||
| 669 | /** | |
| 670 | * @brief Set comparator instance output polarity. | |
| 671 | * @rmtoll CSR COMP1POL LL_COMP_SetOutputPolarity\n | |
| 672 | * COMP2POL LL_COMP_SetOutputPolarity | |
| 673 | * @param COMPx Comparator instance | |
| 674 | * @param OutputPolarity This parameter can be one of the following values: | |
| 675 | * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED | |
| 676 | * @arg @ref LL_COMP_OUTPUTPOL_INVERTED | |
| 677 | * @retval None | |
| 678 | */ | |
| 679 | __STATIC_INLINE void LL_COMP_SetOutputPolarity(COMP_TypeDef *COMPx, uint32_t OutputPolarity) | |
| 680 | { | |
| 681 | MODIFY_REG(COMP->CSR, | |
| 682 | COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx), | |
| 683 | OutputPolarity << __COMP_BITOFFSET_INSTANCE(COMPx) ); | |
| 684 | } | |
| 685 | ||
| 686 | /** | |
| 687 | * @brief Get comparator instance output polarity. | |
| 688 | * @rmtoll CSR COMP1POL LL_COMP_GetOutputPolarity\n | |
| 689 | * COMP2POL LL_COMP_GetOutputPolarity | |
| 690 | * @param COMPx Comparator instance | |
| 691 | * @retval Returned value can be one of the following values: | |
| 692 | * @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED | |
| 693 | * @arg @ref LL_COMP_OUTPUTPOL_INVERTED | |
| 694 | */ | |
| 695 | __STATIC_INLINE uint32_t LL_COMP_GetOutputPolarity(COMP_TypeDef *COMPx) | |
| 696 | { | |
| 697 | return (uint32_t)(READ_BIT(COMP->CSR, | |
| 698 | COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx)) | |
| 699 | >> __COMP_BITOFFSET_INSTANCE(COMPx) | |
| 700 | ); | |
| 701 | } | |
| 702 | ||
| 703 | /** | |
| 704 | * @} | |
| 705 | */ | |
| 706 | ||
| 707 | /** @defgroup COMP_LL_EF_Operation Operation on comparator instance | |
| 708 | * @{ | |
| 709 | */ | |
| 710 | ||
| 711 | /** | |
| 712 | * @brief Enable comparator instance. | |
| 713 | * @note After enable from off state, comparator requires a delay | |
| 714 | * to reach reach propagation delay specification. | |
| 715 | * Refer to device datasheet, parameter "tSTART". | |
| 716 | * @rmtoll CSR COMP1EN LL_COMP_Enable\n | |
| 717 | * CSR COMP2EN LL_COMP_Enable | |
| 718 | * @param COMPx Comparator instance | |
| 719 | * @retval None | |
| 720 | */ | |
| 721 | __STATIC_INLINE void LL_COMP_Enable(COMP_TypeDef *COMPx) | |
| 722 | { | |
| 723 | SET_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); | |
| 724 | } | |
| 725 | ||
| 726 | /** | |
| 727 | * @brief Disable comparator instance. | |
| 728 | * @rmtoll CSR COMP1EN LL_COMP_Disable\n | |
| 729 | * CSR COMP2EN LL_COMP_Disable | |
| 730 | * @param COMPx Comparator instance | |
| 731 | * @retval None | |
| 732 | */ | |
| 733 | __STATIC_INLINE void LL_COMP_Disable(COMP_TypeDef *COMPx) | |
| 734 | { | |
| 735 | CLEAR_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); | |
| 736 | } | |
| 737 | ||
| 738 | /** | |
| 739 | * @brief Get comparator enable state | |
| 740 | * (0: COMP is disabled, 1: COMP is enabled) | |
| 741 | * @rmtoll CSR COMP1EN LL_COMP_IsEnabled\n | |
| 742 | * CSR COMP2EN LL_COMP_IsEnabled | |
| 743 | * @param COMPx Comparator instance | |
| 744 | * @retval State of bit (1 or 0). | |
| 745 | */ | |
| 746 | __STATIC_INLINE uint32_t LL_COMP_IsEnabled(COMP_TypeDef *COMPx) | |
| 747 | { | |
| 748 | return (READ_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); | |
| 749 | } | |
| 750 | ||
| 751 | /** | |
| 752 | * @brief Lock comparator instance. | |
| 753 | * @note Once locked, comparator configuration can be accessed in read-only. | |
| 754 | * @note The only way to unlock the comparator is a device hardware reset. | |
| 755 | * @rmtoll CSR COMP1LOCK LL_COMP_Lock\n | |
| 756 | * CSR COMP2LOCK LL_COMP_Lock | |
| 757 | * @param COMPx Comparator instance | |
| 758 | * @retval None | |
| 759 | */ | |
| 760 | __STATIC_INLINE void LL_COMP_Lock(COMP_TypeDef *COMPx) | |
| 761 | { | |
| 762 | SET_BIT(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)); | |
| 763 | } | |
| 764 | ||
| 765 | /** | |
| 766 | * @brief Get comparator lock state | |
| 767 | * (0: COMP is unlocked, 1: COMP is locked). | |
| 768 | * @note Once locked, comparator configuration can be accessed in read-only. | |
| 769 | * @note The only way to unlock the comparator is a device hardware reset. | |
| 770 | * @rmtoll CSR COMP1LOCK LL_COMP_IsLocked\n | |
| 771 | * CSR COMP2LOCK LL_COMP_IsLocked | |
| 772 | * @param COMPx Comparator instance | |
| 773 | * @retval State of bit (1 or 0). | |
| 774 | */ | |
| 775 | __STATIC_INLINE uint32_t LL_COMP_IsLocked(COMP_TypeDef *COMPx) | |
| 776 | { | |
| 777 | return (READ_BIT(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)); | |
| 778 | } | |
| 779 | ||
| 780 | /** | |
| 781 | * @brief Read comparator instance output level. | |
| 782 | * @note The comparator output level depends on the selected polarity | |
| 783 | * (Refer to function @ref LL_COMP_SetOutputPolarity()). | |
| 784 | * If the comparator polarity is not inverted: | |
| 785 | * - Comparator output is low when the input plus | |
| 786 | * is at a lower voltage than the input minus | |
| 787 | * - Comparator output is high when the input plus | |
| 788 | * is at a higher voltage than the input minus | |
| 789 | * If the comparator polarity is inverted: | |
| 790 | * - Comparator output is high when the input plus | |
| 791 | * is at a lower voltage than the input minus | |
| 792 | * - Comparator output is low when the input plus | |
| 793 | * is at a higher voltage than the input minus | |
| 794 | * @rmtoll CSR COMP1OUT LL_COMP_ReadOutputLevel\n | |
| 795 | * CSR COMP2OUT LL_COMP_ReadOutputLevel | |
| 796 | * @param COMPx Comparator instance | |
| 797 | * @retval Returned value can be one of the following values: | |
| 798 | * @arg @ref LL_COMP_OUTPUT_LEVEL_LOW | |
| 799 | * @arg @ref LL_COMP_OUTPUT_LEVEL_HIGH | |
| 800 | */ | |
| 801 | __STATIC_INLINE uint32_t LL_COMP_ReadOutputLevel(COMP_TypeDef *COMPx) | |
| 802 | { | |
| 803 | return (uint32_t)(READ_BIT(COMP->CSR, | |
| 804 | COMP_CSR_COMP1OUT << __COMP_BITOFFSET_INSTANCE(COMPx)) | |
| 805 | >> (__COMP_BITOFFSET_INSTANCE(COMPx) + LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS) | |
| 806 | ); | |
| 807 | } | |
| 808 | ||
| 809 | /** | |
| 810 | * @} | |
| 811 | */ | |
| 812 | ||
| 813 | #if defined(USE_FULL_LL_DRIVER) | |
| 814 | /** @defgroup COMP_LL_EF_Init Initialization and de-initialization functions | |
| 815 | * @{ | |
| 816 | */ | |
| 817 | ||
| 818 | ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx); | |
| 819 | ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct); | |
| 820 | void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct); | |
| 821 | ||
| 822 | /** | |
| 823 | * @} | |
| 824 | */ | |
| 825 | #endif /* USE_FULL_LL_DRIVER */ | |
| 826 | ||
| 827 | /** | |
| 828 | * @} | |
| 829 | */ | |
| 830 | ||
| 831 | /** | |
| 832 | * @} | |
| 833 | */ | |
| 834 | ||
| 835 | #endif /* COMP1 || COMP2 */ | |
| 836 | ||
| 837 | /** | |
| 838 | * @} | |
| 839 | */ | |
| 840 | ||
| 841 | #ifdef __cplusplus | |
| 842 | } | |
| 843 | #endif | |
| 844 | ||
| 845 | #endif /* __STM32F0xx_LL_COMP_H */ | |
| 846 | ||
| 847 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | |
