这个是根据51的基础上改的,一看就懂,直接在main.c编辑就行,而不用去弄什么固件库,寄存器
这个是8个灯,然后设置A0-A7口为Output(推挽输出)就行
直接在user的main.c中写就好
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2019 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
*
*******************
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