单片机 uart中断处理函数例子

#define Max_SendLen 100
#define Max_RecvLen 100

unsigned char TxData[Max_SendLen] = {0};
unsigned char RxData[Max_RecvLen] = {0};

void Digital_Recv_Int_xxx(unsigned char RX_buf)
{
    static unsigned char RxCounter = 0;
    static unsigned short packageSize = 0;//数据包总字节数
    USART_ClearITPendingBit(UART_x, USART_IT_RXNE);
    RxData[RxCounter] = RX_buf;//保存一个字节
    if(RxCounter < 数据包头长度)
    {
        RxCounter++;
    }
    else
    {
        if(RxData[0] == 数据包开头1 ……)//判断数据包开头
        {
            RxCounter++;
            获取数据长度并计算整个数据包的长度packageSize 
            if(RxCounter == packageSize )
            {
                数据包处理函数();
                packageSize = 0;
                RxCounter = 0;
                // Disable the UART5 Transmit interrupt 
                USART_ClearFlag(Bluetooth_UART,USART_IT_ORE) ;
                USART_ITConfig(Bluetooth_UART, USART_IT_RXNE, DISABLE);
                //clear bluetooth_RxData[]
                memset(bluetooth_RxData,0,Bluetooth_MaxRecvLen);
            }
        }
        else
            {RxCounter = 0;}
     }
}