#include "stm32f4xx_hal.h" // 根据你的具体芯片型号选择合适的头文件 void mx_usart1_uart_init(UART_HandleTypeDef *huart) { huart->Instance = USART1; huart->Init.BaudRate = 115200; huart->Init.WordLength = UART_WORDLENGTH_8B; huart->Init.StopBits = UART_STOPBITS_1;...