312 lines
6.9 KiB
TeX
312 lines
6.9 KiB
TeX
\documentclass[全部作业]{subfiles}
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\begin{document}
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\date{2024年10月26日}
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\begin{frame}
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%\maketitle
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\titlepage
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\end{frame}
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\begin{frame}
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\frametitle{目录}
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\tableofcontents[hideallsubsections]
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\end{frame}
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\section{第一次作业}
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\subsection{STM32CubeMX}
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\begin{frame}
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选择的MCU型号为STM32G473RCT6：
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\includegraphics[width=1\linewidth]{imgs/2024-10-26-19-29-11.png}
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\end{frame}
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\begin{frame}
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先设置时钟为外部：
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\includegraphics[width=1\linewidth]{imgs/2024-10-26-13-48-03.png}
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\end{frame}
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\begin{frame}
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再设置时钟频率：
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\includegraphics[width=1\linewidth]{imgs/2024-10-26-15-58-41.png}
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\end{frame}
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\begin{frame}
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开启debug模式：
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\includegraphics[width=1\linewidth]{imgs/2024-10-26-16-01-25.png}
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\end{frame}
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\begin{frame}
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开始调整端口：
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\includegraphics[width=1\linewidth]{imgs/2024-10-26-16-03-56.png}
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\end{frame}
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\begin{frame}
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选择GPIO_Output：
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\includegraphics[height=0.9\textheight]{imgs/2024-10-26-16-05-01.png}
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\end{frame}
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\begin{frame}
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调整端口配置：
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\includegraphics[height=0.9\textheight]{imgs/2024-10-26-19-20-26.png}
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\end{frame}
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\begin{frame}
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项目设置名称exp1：
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\includegraphics[width=1\linewidth]{imgs/2024-10-26-19-24-44.png}
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\end{frame}
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\begin{frame}
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继续项目设置：
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\includegraphics[width=1\linewidth]{imgs/2024-10-26-19-25-59.png}
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生成代码：
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\includegraphics[width=0.3\linewidth]{imgs/2024-10-28-20-36-25.png}
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\end{frame}
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\begin{frame}
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打开项目：
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\includegraphics[width=0.6\linewidth]{imgs/2024-10-29-15-09-10.png}
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\end{frame}
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\begin{frame}
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修改调试器：
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\includegraphics{imgs/2024-10-29-11-36-58.png}
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\vspace{1em}
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\includegraphics[width=1\linewidth]{imgs/2024-10-29-11-35-44.png}
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\end{frame}
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\begin{frame}
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修改调试设置，把reset and run打勾，就不需要手动按重置按钮了。
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\includegraphics[width=1\linewidth]{imgs/2024-10-29-14-54-11.png}
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\end{frame}
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\subsection{MDK-ARM}
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\begin{frame}
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添加项目文件：
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\includegraphics[width=1\linewidth]{imgs/2024-10-29-09-21-05.png}
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\end{frame}
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\begin{frame}
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选择头文件，文件名为variable.h：
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\includegraphics[width=0.8\linewidth]{imgs/2024-10-29-09-22-20.png}
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\end{frame}
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% 加了[fragile]才能用minted不报错
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\begin{frame}[fragile]
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variable.h:
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\begin{minted}{C}
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#include <stdint.h>
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#ifndef __VARIABLE_H
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#define __VARIABLE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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uint8_t mMilSecCount; // 毫秒计数
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uint8_t bTenMilSecOk; // 10毫秒标志位
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uint8_t mTimeCount; // 秒计数
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uint8_t bTimeOk; // 秒标志位
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} stSysTickTimer;
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#ifdef __cplusplus
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}
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#endif
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#endif /* __VARIABLE_H */
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\end{minted}
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\end{frame}
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\begin{frame}[fragile]
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stm32g4xx_it.c:
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\begin{multicols}{2}
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\begin{minted}[firstnumber=24]{C}
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/* USER CODE BEGIN Includes */
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#include "variable.h"
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/* USER CODE END Includes */
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\end{minted}
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\vspace{1em}
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\begin{minted}[firstnumber=60]{C}
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/* USER CODE BEGIN EV */
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extern stSysTickTimer sSysTickTimer;
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extern uint16_t mSecCount;
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extern uint16_t bSecondIsOk;
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/* USER CODE END EV */
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\end{minted}
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\vspace{1em}
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\begin{minted}[firstnumber=183]{C}
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/**
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* @brief This function handles System tick timer.
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*/
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void SysTick_Handler(void)
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{
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/* USER CODE BEGIN SysTick_IRQn 0 */
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/* USER CODE END SysTick_IRQn 0 */
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HAL_IncTick();
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/* USER CODE BEGIN SysTick_IRQn 1 */
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if (++mSecCount >= 100) {
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mSecCount = 0;
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bSecondIsOk = 1;
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}
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if (++sSysTickTimer.mMilSecCount >= 10) {
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sSysTickTimer.mMilSecCount = 0;
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sSysTickTimer.bTenMilSecOk = 1;
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if (++sSysTickTimer.mTimeCount >= 100) {
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sSysTickTimer.mTimeCount = 0;
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sSysTickTimer.bTimeOk = 1;
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}
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}
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/* USER CODE END SysTick_IRQn 1 */
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}
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\end{minted}
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\end{multicols}
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\end{frame}
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\begin{frame}[fragile]
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main.h:
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\begin{multicols}{2}
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\begin{minted}[firstnumber=48]{C}
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/* USER CODE BEGIN EM */
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#define SYSTICKCLK 170 // Systick Frequency 170MHz
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/* USER CODE END EM */
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/* Exported functions prototypes ---------------------------------------------*/
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void Error_Handler(void);
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/* USER CODE BEGIN EFP */
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void delay_us(uint32_t nus);
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/* USER CODE END EFP */
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\end{minted}
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\end{multicols}
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\end{frame}
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\begin{frame}[fragile]
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main.c:
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\begin{multicols}{2}
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\begin{minted}[firstnumber=24]{C}
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/* USER CODE BEGIN Includes */
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#include "variable.h"
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/* USER CODE END Includes */
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\end{minted}
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\vspace{1em}
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\begin{minted}[firstnumber=45]{C}
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/* USER CODE BEGIN PV */
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stSysTickTimer sSysTickTimer = {
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0, 0, 0, 0
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};
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uint16_t mSecCount = 0;
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uint16_t bSecondIsOk = 0;
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/* USER CODE END PV */
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\end{minted}
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\vspace{1em}
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\begin{minted}[firstnumber=60]{C}
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/* USER CODE BEGIN 0 */
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void delay_us(uint32_t nus) {
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uint32_t ticks;
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uint32_t told, tnow, tcnt=0;
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uint32_t reload = SysTick->LOAD; // LOAD的值
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ticks = nus * SYSTICKCLK; // 需要的节拍数
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told = SysTick->VAL; // 刚进入时的计数器值
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while (1) {
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tnow = SysTick->VAL;
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if (tnow != told) {
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if (tnow < told)
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tcnt += told - tnow; // SYSTICK是一个递减的计数器就可以了
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else
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tcnt += reload - tnow + told;
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told = tnow;
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if (tcnt >= ticks) break; // 事件超过/等于要延迟的时间，则退出
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}
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}
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}
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/* USER CODE END 0 */
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\end{minted}
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\end{multicols}
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\end{frame}
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\begin{frame}[fragile]
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main.c:
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\begin{multicols}{2}
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\begin{minted}[firstnumber=81]{C}
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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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/* 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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/* USER CODE BEGIN 2 */
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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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{
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/* USER CODE END WHILE */
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if (sSysTickTimer.bTimeOk) {
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sSysTickTimer.bTimeOk = 0;
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HAL_GPIO_TogglePin(TickClock_LED_GPIO_Port, TickClock_LED_Pin);
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}
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}
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/* USER CODE END 3 */
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}
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\end{minted}
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\end{multicols}
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\end{frame}
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\begin{frame}
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编译和运行：
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\includegraphics[width=1\linewidth]{imgs/2024-10-29-11-38-55.png}
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\vspace{1em}
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\includegraphics[width=1\linewidth]{imgs/2024-10-29-11-39-46.png}
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\end{frame}
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\subsection{实验结果}
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\begin{frame}
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实验结果：
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亮一秒，暗一秒。
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\includegraphics[height=0.8\textheight]{imgs/IMG_20241029_115504.jpg}
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完整视频可以查看：\url{https://gitea.librastalker.top/423A35C7/STM32CubeMX-Keil_uVision5}
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\end{frame}
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\end{document} |