270 lines
7.2 KiB
C
270 lines
7.2 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) 2026 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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#include "cmsis_os.h"
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#include "dma.h"
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#include "iwdg.h"
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#include "spi.h"
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#include "usart.h"
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#include "gpio.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include <stdio.h>
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#include "config.h"
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#include "debug_log.h"
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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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/* CH390 硬件控制引脚 */
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#define CH390_RST_PIN GPIO_PIN_1
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#define CH390_RST_PORT GPIOB
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#define CH390_CS_PIN GPIO_PIN_4
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#define CH390_CS_PORT GPIOA
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/* LED 指示灯 */
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#define LED_PIN GPIO_PIN_13
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#define LED_PORT GPIOC
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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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/* USER CODE BEGIN PV */
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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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void MX_FREERTOS_Init(void);
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/* USER CODE BEGIN PFP */
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static void CH390_HardwareReset(void);
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static void LED_Init(void);
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void Debug_TrapWithRttHint(const char *tag);
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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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/**
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* @brief CH390 硬件复位
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* @note 复位时序: RST 低电平至少 10us，然后高电平等待 50ms 完成初始化
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*/
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static void CH390_HardwareReset(void)
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{
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/* 拉低 RST 引脚 */
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HAL_GPIO_WritePin(CH390_RST_PORT, CH390_RST_PIN, GPIO_PIN_RESET);
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HAL_Delay(1); /* 保持低电平 1ms (远超最小 10us 要求) */
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/* 拉高 RST 引脚，等待芯片初始化完成 */
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HAL_GPIO_WritePin(CH390_RST_PORT, CH390_RST_PIN, GPIO_PIN_SET);
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HAL_Delay(50); /* 等待 50ms */
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/* 确保 CS 为高电平（未选中状态） */
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HAL_GPIO_WritePin(CH390_CS_PORT, CH390_CS_PIN, GPIO_PIN_SET);
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}
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/**
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* @brief LED 初始化（点亮表示系统启动）
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*/
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static void LED_Init(void)
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{
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/* LED 灭（PC13 高电平灭，低电平亮） */
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HAL_GPIO_WritePin(LED_PORT, LED_PIN, GPIO_PIN_SET);
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}
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/**
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* @brief LED 闪烁（用于指示系统运行状态）
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*/
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void LED_Toggle(void)
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{
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HAL_GPIO_TogglePin(LED_PORT, LED_PIN);
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}
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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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{
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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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debug_log_init();
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debug_log_boot("hal-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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debug_log_boot("clock-config");
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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_DMA_Init();
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MX_IWDG_Init();
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MX_USART1_UART_Init();
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MX_USART2_UART_Init();
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MX_USART3_UART_Init();
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MX_SPI1_Init();
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/* USER CODE BEGIN 2 */
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debug_log_boot("peripherals-ready");
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/* LED 初始化 */
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LED_Init();
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/* CH390 硬件复位 */
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CH390_HardwareReset();
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/* Initialize configuration from Flash (fallback to defaults on invalid data) */
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config_init();
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debug_log_boot("config-ready");
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/* USER CODE END 2 */
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/* Init scheduler */
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osKernelInitialize(); /* Call init function for freertos objects (in cmsis_os2.c) */
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MX_FREERTOS_Init();
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debug_log_boot("freertos-init");
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/* Start scheduler */
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debug_log_boot("scheduler-start");
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osKernelStart();
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/* We should never get here as control is now taken by the scheduler */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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}
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/* USER CODE END 3 */
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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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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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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_LSI|RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.LSIState = RCC_LSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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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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{
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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/**
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* @brief 重定向 printf 到 UART1（调试输出）
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*/
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void Debug_TrapWithRttHint(const char *tag)
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{
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debug_log_fault(tag);
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}
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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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{
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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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debug_log_fault("error-handler");
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__disable_irq();
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while (1)
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{
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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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