串口3 的配置:
void Uart3_Init(void)
{
UART3_DeInit();
ITC_SetSoftwarePriority(ITC_IRQ_UART3_RX , ITC_PRIORITYLEVEL_2);
UART3_Init(19200,UART3_WORDLENGTH_8D,UART3_STOPBITS_1,UART3_PARITY_NO ,UART3_MODE_TXRX_ENABLE);
UART3_ITConfig(UART3_IT_TXE,DISABLE);
UART3_ITConfig(UART3_IT_RXNE, ENABLE);
UART3_Cmd(ENABLE);
}
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