90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/**
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******************************************************************************
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* File Name : COMP.c
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* Description : This file provides code for the configuration
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* of the COMP instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "comp.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* COMP1 init function */
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void MX_COMP1_Init(void)
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{
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LL_COMP_InitTypeDef COMP_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
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/**COMP1 GPIO Configuration
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PA0 ------> COMP1_INM
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PA1 ------> COMP1_INP
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PA11 ------> COMP1_OUT
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_0;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LL_GPIO_PIN_1;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LL_GPIO_PIN_11;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* COMP1 interrupt Init */
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NVIC_SetPriority(ADC1_COMP_IRQn, 1);
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NVIC_EnableIRQ(ADC1_COMP_IRQn);
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COMP_InitStruct.PowerMode = LL_COMP_POWERMODE_HIGHSPEED;
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COMP_InitStruct.InputPlus = LL_COMP_INPUT_PLUS_IO1;
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COMP_InitStruct.InputMinus = LL_COMP_INPUT_MINUS_IO1;
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COMP_InitStruct.InputHysteresis = LL_COMP_HYSTERESIS_LOW;
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COMP_InitStruct.OutputSelection = LL_COMP_OUTPUT_NONE;
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COMP_InitStruct.OutputPolarity = LL_COMP_OUTPUTPOL_NONINVERTED;
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LL_COMP_Init(COMP1, &COMP_InitStruct);
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}
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/* USER CODE BEGIN 1 */
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void COMP_EXTI_CONFIG(void)
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{
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LL_COMP_Enable(COMP1);
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LL_EXTI_InitTypeDef EXTI_InitStruct = {0};
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EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_21;
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EXTI_InitStruct.LineCommand = ENABLE;
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EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
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EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_RISING_FALLING;
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LL_EXTI_Init(&EXTI_InitStruct);
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LL_EXTI_EnableIT_0_31(LL_EXTI_LINE_21);
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}
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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