/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @attention * * Copyright (c) 2026 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "dma.h" #include "fatfs.h" #include "sdio.h" #include "spi.h" #include "tim.h" #include "usart.h" #include "usb_device.h" #include "gpio.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ #include "ltc2508_driver.h" #include "rs485_driver.h" #include "data_packet.h" #include "correction.h" #include "data_storage.h" #include "system_monitor.h" /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* USER CODE BEGIN PTD */ /* USER CODE END PTD */ /* Private define ------------------------------------------------------------*/ /* USER CODE BEGIN PD */ /* USER CODE END PD */ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ /* USER CODE BEGIN PV */ // 校正参数 CorrectionParams_t g_correction_params; // 数据包 DataPacket_t g_data_packet; // 数据存储句柄 DataStorageHandle_t g_data_storage; // 系统状态 static uint32_t g_last_monitor_update = 0; static uint8_t g_recording_enabled = 0; /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ void SystemClock_Config(void); /* USER CODE BEGIN PFP */ /* USER CODE END PFP */ /* Private user code ---------------------------------------------------------*/ /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int */ int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); /* USER CODE BEGIN Init */ /* USER CODE END Init */ /* Configure the system clock */ SystemClock_Config(); /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_DMA_Init(); MX_SDIO_SD_Init(); MX_SPI1_Init(); MX_SPI2_Init(); MX_SPI3_Init(); MX_TIM1_Init(); MX_USART1_UART_Init(); MX_FATFS_Init(); MX_USB_DEVICE_Init(); MX_USART3_UART_Init(); /* USER CODE BEGIN 2 */ // 初始化系统监控 SystemMonitor_Init(); SystemMonitor_SetState(SYSTEM_STATE_INIT); // 初始化LTC2508驱动 if (LTC2508_Init(&hspi1, &hspi2, &hspi3) != LTC2508_OK) { SystemMonitor_ReportError(SYSTEM_ERROR_ADC); Error_Handler(); } // 初始化RS485通信 RS485_Init(&huart1, RS485_DE_RE_PORT, RS485_DE_RE_PIN); // 初始化校正参数 Init_CorrectionParams(&g_correction_params); Load_CorrectionParams_FromFlash(&g_correction_params); // 初始化数据存储 if (DataStorage_Init(&g_data_storage) != HAL_OK) { SystemMonitor_ReportError(SYSTEM_ERROR_STORAGE); } // 系统初始化完成 SystemMonitor_SetState(SYSTEM_STATE_IDLE); // 触发信号引脚初始化 HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_SET); HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_RESET); /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ // 系统监控更新 (每100ms更新一次) uint32_t current_tick = HAL_GetTick(); if (current_tick - g_last_monitor_update >= 100) { SystemMonitor_Update(); g_last_monitor_update = current_tick; } // 检查ADC数据是否准备就绪 if (g_adc_data_ready_flag) { g_adc_data_ready_flag = 0; // 清除标志 SystemMonitor_SetState(SYSTEM_STATE_SAMPLING); // 1. 合并数据 (高位16位在前) int32_t raw_adc[NUM_LTC2508]; raw_adc[0] = (int32_t)(((uint32_t)g_adc_data[0][0] << 16) | g_adc_data[0][1]); raw_adc[1] = (int32_t)(((uint32_t)g_adc_data[1][0] << 16) | g_adc_data[1][1]); raw_adc[2] = (int32_t)(((uint32_t)g_adc_data[2][0] << 16) | g_adc_data[2][1]); // 2. 验证数据有效性 for (uint8_t i = 0; i < NUM_LTC2508; i++) { if (LTC2508_ValidateData(i) != LTC2508_OK) { SystemMonitor_ReportError(SYSTEM_ERROR_ADC); continue; // 跳过无效数据 } } // 3. 应用校正算法 CorrectionResult_t correction_result; if (Apply_Correction(raw_adc[0], raw_adc[1], raw_adc[2], &correction_result, &g_correction_params) == HAL_OK) { // 4. 打包校正后的数据 PackData(&g_data_packet, (int32_t)correction_result.corrected_x, (int32_t)correction_result.corrected_y, (int32_t)correction_result.corrected_z); } else { // 校正失败，使用原始数据 PackData(&g_data_packet, raw_adc[0], raw_adc[1], raw_adc[2]); } // 5. 发送数据包 if (RS485_SendData((uint8_t*)&g_data_packet, sizeof(DataPacket_t)) != HAL_OK) { SystemMonitor_ReportError(SYSTEM_ERROR_COMMUNICATION); } // 6. 存储数据到SD卡 (如果启用记录) if (g_recording_enabled) { SystemMonitor_SetState(SYSTEM_STATE_RECORDING); if (DataStorage_WriteData(&g_data_storage, &g_data_packet) != HAL_OK) { SystemMonitor_ReportError(SYSTEM_ERROR_STORAGE); } } SystemMonitor_SetState(SYSTEM_STATE_IDLE); } // ADC采样由PA1外部中断触发，不在主循环中触发 } /* USER CODE END 3 */ } /** * @brief System Clock Configuration * @retval None */ void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /** Configure the main internal regulator output voltage */ __HAL_RCC_PWR_CLK_ENABLE(); __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); /** Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLM = 25; RCC_OscInitStruct.PLL.PLLN = 336; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLQ = 7; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } /** Initializes the CPU, AHB and APB buses clocks */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) { Error_Handler(); } } /* USER CODE BEGIN 4 */ /* USER CODE END 4 */ /** * @brief This function is executed in case of error occurrence. * @retval None */ void Error_Handler(void) { /* USER CODE BEGIN Error_Handler_Debug */ /* User can add his own implementation to report the HAL error return state */ __disable_irq(); while (1) { } /* USER CODE END Error_Handler_Debug */ } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */ void assert_failed(uint8_t *file, uint32_t line) { /* USER CODE BEGIN 6 */ /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* USER CODE END 6 */ } #endif /* USE_FULL_ASSERT */