题目内容

串口接收数据的函数是。

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完成下列对USART1的初始化编程,要求串口的波特率9600,9位数据,偶校验,1个停止位,无硬件控制流,允许发送、接收。 USART_InitTypeDef USART_InitStructure; USART_InitStructure.USART_BaudRate = ;USART_InitStructure.USART_WordLength = ;USART_InitStructure.USART_StopBits = ;USART_InitStructure.USART_Parity = ; USART_InitStructure.USART_HardwareFlowControl = ; USART_InitStructure.USART_Mode = ;USART_Init (USART1, &USART_InitStructure);

串口中断优先级配置。优先级分组为第2组,USART1中断抢占优先级为1,副优先级为2。(以固件库定义的字符填写,不可以野火教材自定义名填写)NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); NVIC_InitStructure.NVIC_IRQChannel =; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=; NVIC_InitStructure.NVIC_IRQChannelSubPriority = ; NVIC_InitStructure.NVIC_IRQChannelCmd =; NVIC_Init(&NVIC_InitStructure);

如何设置STM32的串口的波特率。

简述STM32的USART的功能特点。

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