斯文人 发表于 2020-7-15 09:15 不是我泼凉水 看到你发个帖子都这么的随意 不用心, 我也没有看的欲望了 , 至少排版的整齐点,把乱码要不 ... void Usart_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_AHBPeriph_GPIOA, ENABLE); USART_DeInit(USART1); GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_1); GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_1); //USART1_TX  A.9 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10; //PA.9 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //¸´ÓÃÍÆÍìÊä³ö GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_Init(GPIOA, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = 9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_Init(USART1, &USART_InitStructure); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); USART_ITConfig(USART1, USART_IT_IDLE, ENABLE); USART_Cmd(USART1, ENABLE); NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; NVIC_InitStructure.NVIC_IRQChannelPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void USART1_IRQHandler(void) { uint8_t Res; if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) { Res =USART_ReceiveData(USART1);//(USART1->DR); USART1_RX_BUF[len_usart1]=Res; len_usart1++; } if(USART_GetITStatus(USART1, USART_IT_IDLE) != RESET) { USART_ClearITPendingBit(USART1,USART_IT_IDLE); }
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