273 lines
7.4 KiB
C
273 lines
7.4 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 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 "main.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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UART_HandleTypeDef huart2;
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/* USER CODE BEGIN PV */
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uint8_t uart_buffer[10];
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uint8_t uart_index = 0;
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_USART2_UART_Init(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void) {
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_USART2_UART_Init();
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/* USER CODE BEGIN 2 */
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memset(uart_buffer, 0, 10);
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1) {
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if (HAL_UART_Receive(&huart2, uart_buffer + uart_index, 1, 250)
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== HAL_OK) {
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uart_index++;
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if (uart_buffer[uart_index - 1] == 0xFF) {
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if (uart_index > 1) {
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if (uart_buffer[0] == 0x00) {
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, uart_buffer[1]);
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} else if (uart_buffer[0] == 0x01) {
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uint8_t payload[3] = { 0x01, HAL_GPIO_ReadPin(GPIOA,
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GPIO_PIN_7), 0xFF };
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HAL_UART_Transmit(&huart2, payload, 3, 1500);
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}
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}
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uart_index = 0;
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memset(uart_buffer, 0, 10);
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}
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}
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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/* USER CODE END 3 */
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}
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void) {
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RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
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RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
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/** Configure the main internal regulator output voltage
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*/
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__HAL_RCC_PWR_CLK_ENABLE();
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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RCC_OscInitStruct.PLL.PLLM = 16;
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RCC_OscInitStruct.PLL.PLLN = 336;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
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RCC_OscInitStruct.PLL.PLLQ = 4;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
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| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
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Error_Handler();
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}
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}
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/**
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* @brief USART2 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_USART2_UART_Init(void) {
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/* USER CODE BEGIN USART2_Init 0 */
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/* USER CODE END USART2_Init 0 */
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/* USER CODE BEGIN USART2_Init 1 */
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/* USER CODE END USART2_Init 1 */
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huart2.Instance = USART2;
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huart2.Init.BaudRate = 115200;
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huart2.Init.WordLength = UART_WORDLENGTH_8B;
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huart2.Init.StopBits = UART_STOPBITS_1;
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huart2.Init.Parity = UART_PARITY_NONE;
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huart2.Init.Mode = UART_MODE_TX_RX;
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huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart2.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart2) != HAL_OK) {
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Error_Handler();
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}
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/* USER CODE BEGIN USART2_Init 2 */
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/* USER CODE END USART2_Init 2 */
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void) {
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GPIO_InitTypeDef GPIO_InitStruct = { 0 };
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/* USER CODE BEGIN MX_GPIO_Init_1 */
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/* USER CODE END MX_GPIO_Init_1 */
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOH_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(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin : B1_Pin */
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GPIO_InitStruct.Pin = B1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : LD2_Pin */
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GPIO_InitStruct.Pin = LD2_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(LD2_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : Door_Sensor_Pin */
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GPIO_InitStruct.Pin = Door_Sensor_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(Door_Sensor_GPIO_Port, &GPIO_InitStruct);
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/* USER CODE BEGIN MX_GPIO_Init_2 */
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/* USER CODE END MX_GPIO_Init_2 */
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}
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/* USER CODE BEGIN 4 */
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void) {
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1) {
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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