uart.c

来自「MSC1210 驱动 OLED源程序 包括ASCII码字库表」· C语言 代码 · 共 35 行

#include    "REG1210.H"
#include"SystemDeclare.h"
////////////////////////////////////////////////////
struct  Communication{
        unsigned char	ReceivedLength;
        unsigned char	SentLength;
        unsigned char	ReceiveMaxLength;
        unsigned char	SendLength;
        unsigned char	ReceiveTimeOut;
        unsigned char	FinishReceiving;
        unsigned char	FinishSending;
        }   Usart;
unsigned char   xdata	UsartReceiveBuff[UARTBuffLength];
unsigned char	xdata   UsartSendBuff[UARTBuffLength];

////////////////////////////////////////////////////
void UsartReceive(void)
{   if(Usart.ReceivedLength<Usart.ReceiveMaxLength)
    {
        UsartReceiveBuff[Usart.ReceivedLength++]=SBUF0;   
    }
    Usart.ReceiveTimeOut=0;
}
////////////////////////////////////////////////////
void UsartSend(void)
{   
    if(Usart.SentLength<Usart.SendLength)
    {
        SBUF0=UsartSendBuff[Usart.SentLength++];   
    }
    else
    {
        Usart.FinishSending=1;
    }
}