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rocketpi_uart_easylogger

功能展示

https://github.com/armink/EasyLogger

easylogger

功能描述

集成 EasyLogger 并通过 USART2 + DMA 输出日志。

  • component/EasyLogger 下保留了 EasyLogger v2.2.99 的完整源码与配置。
  • 自定义移植层 component/EasyLogger/easylogger/port/elog_port.c
  • 使用 HAL_UART_Transmit_DMAUSART2 上进行非阻塞输出。
  • DMA 启动失败时自动退回阻塞式 HAL_UART_Transmit,保证日志一定能发出去。
  • 提供简单的临界区锁 + HAL Tick 时间戳。
  • 实现 HAL_UART_TxCpltCallback / HAL_UART_ErrorCallback,在 DMA 结束或出错时释放发送状态。
  • elog_cfg.h 中默认使用 CRLF ("\r\n") 作为换行符,串口调试助手显示更友好。
  • Core/Src/main.c 展示了完整流程:
  • 初始化 EasyLogger、分别配置各级别的输出格式并调用 elog_start()
  • elog_demo_all_levels() 函数逐级打印 raw/assert/error/warn/info/debug/verbose 示例。
  • 主循环每 1 秒输出一次心跳日志,证明 DMA 发送的实时性。

常用文件:

  • component/EasyLogger/easylogger/inc/elog_cfg.h:编译期配置(缓冲区、颜色、换行等)。
  • component/EasyLogger/easylogger/port/elog_port.c:与硬件相关的适配层(串口、锁、时间)。

驱动以及测试代码

Core/Src/main.c
/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 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 "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "elog.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 */
static uint32_t s_log_counter = 0;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
static void elog_demo_all_levels(void);
/* 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_USART2_UART_Init();
  /* USER CODE BEGIN 2 */
  if (elog_init() == ELOG_NO_ERR) {
    elog_set_fmt(ELOG_LVL_ASSERT, ELOG_FMT_ALL & ~ELOG_FMT_P_INFO);
    elog_set_fmt(ELOG_LVL_ERROR, ELOG_FMT_LVL | ELOG_FMT_TAG | ELOG_FMT_TIME);
    elog_set_fmt(ELOG_LVL_WARN, ELOG_FMT_LVL | ELOG_FMT_TAG | ELOG_FMT_TIME);
    elog_set_fmt(ELOG_LVL_INFO, ELOG_FMT_LVL | ELOG_FMT_TAG | ELOG_FMT_TIME);
    elog_set_fmt(ELOG_LVL_DEBUG, ELOG_FMT_ALL & ~(ELOG_FMT_FUNC | ELOG_FMT_P_INFO));
    elog_set_fmt(ELOG_LVL_VERBOSE, ELOG_FMT_ALL & ~(ELOG_FMT_FUNC | ELOG_FMT_P_INFO));
    elog_start();
    elog_i("main", "EasyLogger initialized. DMA UART logging ready.");
    elog_demo_all_levels();
  } else {
    Error_Handler();
  }
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
    HAL_Delay(1000);
    elog_i("main", "Heartbeat %lu", (unsigned long)s_log_counter++);
  }
  /* 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_SCALE2);

  /** 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 = 4;
  RCC_OscInitStruct.PLL.PLLN = 84;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 4;
  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_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
static void elog_demo_all_levels(void) {
  elog_raw("EasyLogger raw log output demo.");
  elog_a("main", "Assert level demo log.");
  elog_e("main", "Error level demo log.");
  elog_w("main", "Warn level demo log.");
  elog_i("main", "Info level demo log.");
  elog_d("main", "Debug level demo log.");
  elog_v("main", "Verbose level demo log.");
}

/* 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 */