USART_InitStructure.USART_BaudRate = 115200;
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 = [img]USART_Mode_Rx| USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
该设置下1个字符的发送需要多长的时间周期呢 |
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