Razvalyaev
d82a525a82
в добавок сделано считывание частоты и скважности сети. можно по скважности определить какая фаза оборвана (в теории) + нормальный гитигнор
152 lines
4.9 KiB
C
152 lines
4.9 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file gpio.c
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* @brief This file provides code for the configuration
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* of all used GPIO pins.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "gpio.h"
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/* USER CODE BEGIN 0 */
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#include "tim.h"
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/* USER CODE END 0 */
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/*----------------------------------------------------------------------------*/
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/* Configure GPIO */
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/*----------------------------------------------------------------------------*/
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/** Configure pins
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PA8 ------> RCC_MCO
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*/
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void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOC, LED2_Pin|LED3_Pin|PVT4_Pin|PVT3_Pin
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|PVT2_Pin|PVT1_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, LED0_Pin|LED1_Pin, GPIO_PIN_SET);
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/*Configure GPIO pins : PCPin PCPin PCPin PCPin
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PCPin */
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GPIO_InitStruct.Pin = IN_06_Pin|SELEKT_PCH_Pin|IN_05_Pin|J2_Pin
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|J3_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pins : PCPin PCPin PCPin PCPin
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PCPin PCPin */
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GPIO_InitStruct.Pin = LED2_Pin|LED3_Pin|PVT4_Pin|PVT3_Pin
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|PVT2_Pin|PVT1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pins : PAPin PAPin PAPin PAPin
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PAPin PAPin PAPin PAPin */
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GPIO_InitStruct.Pin = IN_04_Pin|IN_03_Pin|IN_02_Pin|IN_01_Pin
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|IN_14_Pin|IN_13_Pin|J0_Pin|J1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pins : PBPin PBPin PBPin PBPin
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PBPin PBPin */
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GPIO_InitStruct.Pin = IN_12_Pin|IN_11_Pin|BOOT1_Pin|IN_10_Pin
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|IN_09_Pin|IN_08_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/*Configure GPIO pin : PtPin */
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GPIO_InitStruct.Pin = IN_07_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(IN_07_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : PA8 */
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GPIO_InitStruct.Pin = GPIO_PIN_8;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pins : PBPin PBPin */
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GPIO_InitStruct.Pin = LED0_Pin|LED1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* EXTI interrupt init*/
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HAL_NVIC_SetPriority(EXTI15_10_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);
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}
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/* USER CODE BEGIN 2 */
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#define MEASURE_PIN IN_07_Pin
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#define MEASURE_PORT IN_07_GPIO_Port
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volatile uint32_t last_tick = 0;
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volatile uint32_t high_time = 0;
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volatile uint32_t period_time = 0;
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volatile uint8_t first_edge = 1;
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float duty_cycle = 0.0f;
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float frequency = 0.0f;
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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{
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if (GPIO_Pin != MEASURE_PIN) return;
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static uint16_t last_tick = 0;
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static uint16_t low_time = 0;
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static uint16_t high_time = 0;
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uint16_t now = (uint16_t)__HAL_TIM_GET_COUNTER(&htim2);
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uint16_t delta = (now >= last_tick) ? (now - last_tick) : (uint16_t)(0x10000 + now - last_tick);
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last_tick = now;
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if (HAL_GPIO_ReadPin(MEASURE_PORT, MEASURE_PIN) == GPIO_PIN_SET) {
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// RISING → закончился LOW
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low_time = delta;
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} else {
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// FALLING → закончился HIGH
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high_time = delta;
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uint32_t period = (uint32_t)high_time + (uint32_t)low_time;
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if (period > 0) {
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frequency = 1e6f / period; // Гц
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duty_cycle = (high_time * 100.0f) / period; // %
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}
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}
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}
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/* USER CODE END 2 */
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