一、安装教程(转载)
抛弃keil?VScode开发stm32完整教程_哔哩哔哩_bilibili
VSCode+Keil5+STM32CubeMX开发环境搭建,一步不跳,一刀不剪,奶奶都能学会版。主要是配置插件Keil assistant,介绍相关使用方法。_哔哩哔哩_bilibili
二、建立工程
(一)、选择开发板
(二)、常规MX配置
更换烧录调试设置(必须配置!!!否则会锁板子)
启用外部高速晶振
在右边那一竖列随便输一个72,然后回车如下
再次回车得到如下
更改".c",".h"配置文件的生成(大工程必备)
精简工程,减少编译时间
设置工程路径和名称,并生成
(三)、常规MDK配置
pack包离线下载(转载)
Keil MDK5.38 STM32全系列 最新PACK包离线包高速网盘下载分享收藏(持续更新...)_keil pack 大全-优快云博客
工程编译,ST-Link烧录前配置
可以使用最新的版本(非必要)
代码优化等级(非必要)
烧录配置(必选)
确认退出
MDK中文配置(转载)
Keil中文显示设置_keil uvision5怎么改成中文版-优快云博客
MDK格式化配置(转载)
Keil5-MDK的格式化代码工具及添加快捷方式_keil5格式化代码-优快云博客
踩坑记录
慎用MicroLIB(精简的嵌入式C语言标准库内容,阉割了部分功能)
三、工程结构
2024_8_13
(一)、书写结构(个人)
参考文章:
STM32CubeIDE的初始main.c里都是什么_user code begin pfp什么意思-优快云博客
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2024 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* 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 */
/* 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_USART1_UART_Init();
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** 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.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
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 */
/* 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 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
USER CODE BEGIN Header (添加头部注释或代码)
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2024 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* USER CODE END Header */
Private includes(用户私有头文件定义)
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
Private typedef(用户私有类型定义)
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
Private define(用户私有宏定义)
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
Private macro(宏指令?)
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
Private variables(用户私有变量定义)
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
Private function prototypes(用户私有函数原型)
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
Private user code(用户主要逻辑代码书写区域)
/* Private user code ---------------------------------------------------------*/
(二)、驱动记录
1、串口重定向(转载)
STM32F1系列HAL库配置串口通信(2)——串口重定向以及log信息格式输出_hal 重定向-优快云博客
【STM32】HAL库 STM32CubeMX教程四—UART串口通信详解「建议收藏」-腾讯云开发者社区-腾讯云 (tencent.com)
普通串口使用(堵塞发送,接收)
重定向配置:
#include<stdio.h>
char ch;
int fputc(int ch,FILE *f)
{
//采用轮询方式发送1字节数据,超时时间设置为无限等待
HAL_UART_Transmit(&huart1,(uint8_t *)&ch,1,HAL_MAX_DELAY);
return ch;
}
int fgetc(FILE *f)
{
uint8_t ch;
// 采用轮询方式接收 1字节数据,超时时间设置为无限等待
HAL_UART_Receive( &huart1,(uint8_t*)&ch,1, HAL_MAX_DELAY );
return ch;
}
使用例1:
ch=getchar();
putchar(ch);
使用例2:
printf("Hello\n");
HAL_Delay(1000);
2、模拟USB口通讯(转载)
发送函数
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
CDC_Transmit_FS("Hello",6);
HAL_Delay(500);
HAL_GPIO_TogglePin(GPIOC,GPIO_PIN_13);
}
中断接收并串口回传
static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len)
{
/* USER CODE BEGIN 6 */
CDC_Transmit_FS(Buf, *Len);
USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]);
USBD_CDC_ReceivePacket(&hUsbDeviceFS);
return (USBD_OK);
/* USER CODE END 6 */
}
这一句是新加的,用于在接收到数据的时候回传
3、串口中断接收
参考文章:stm32使用HAL库配置串口中断收发数据(保姆级教程)_stm32 hal库 串口收发程序-优快云博客
stm32fixx_it.c —> USART1_IRQHandler函数定义 —>
__weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
回调函数弱定义位置
对此函数在main.c中重定义
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
if (huart->Instance == USART1) // ???????????? USART1
{
if (rx_data[0] == '0') // ??????????? 0
{
HAL_UART_Transmit_IT(&huart1, (uint8_t*)tx_data2, strlen(tx_data2)); // ?????
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_13,GPIO_PIN_SET);
}
if (rx_data[0] == '1') // ??????????? 0
{
HAL_UART_Transmit_IT(&huart1, (uint8_t*)tx_data3, strlen(tx_data3)); // ?????
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_13,GPIO_PIN_RESET);
}
HAL_UART_Receive_IT(&huart1, (uint8_t*)rx_data, sizeof(rx_data)); // ???? UART ????
}
}
在main中while前
HAL_UART_Receive_IT(&huart1, (uint8_t*)rx_data, sizeof(rx_data)); // ???? UART ????
添加全局变量定义
char ch;
uint8_t rx_data[2];
char tx_data2[]="111";
char tx_data3[]="222";