请教新唐N76E003串口接收识别问题

1万 · 2020-12-11 10:55

想用N76E003识别电脑的串口指令OPEN、CLOSE，作出LED-P12灯亮灭的响应目前用BSP里面的源码，只收正常收到电脑发过来的一个字节，超过一个字节就乱码了
#include <stdio.h>
#include "N76E003.h"
#include "SFR_Macro.h"
#include "Common.h"
#include "Delay.h"
#include "Function_Define.h"

#define BUFFER_SIZE             16

UINT8  UART_BUFFER[BUFFER_SIZE],temp;
UINT16 u16CNT=0,u16CNT1=0;
bit riflag;

/**
* FUNCTION_PURPOSE: serial interrupt, echo received data.
* FUNCTION_INPUTS: P3.0(RXD) serial input
* FUNCTION_OUTPUTS: P3.1(TXD) serial output
*/
void serial_IT(void) interrupt 4
{
if (RI)
{                                     /* if reception occur */
      clr_RI;                            /* clear reception flag for next reception */
      UART_BUFFER[u16CNT] = SBUF;
      u16CNT ++;
                              riflag =1;
}
if(TI)
{
      clr_TI;                            /* if emission occur */
}
}
/************************************************************************************************************
* Main function
************************************************************************************************************/
void main (void)
{

P06_Quasi_Mode;                                                    //Set UART GPIO are Quasi Mode
            P07_Quasi_Mode;
InitialUART0_Timer1(115200);          /* 115200 Baud Rate from timer1*/

SCON = 0xD2;                                                                                                             // Special setting the mode 3

set_ES;                               //enable UART interrupt
set_EA;                               //enable global interrupt
clr_TB8;
Send_Data_To_UART0(0x53);                                                             //Send "start" ascii code show reset initial status
      Send_Data_To_UART0(0x74);
      Send_Data_To_UART0(0x61);
      Send_Data_To_UART0(0x72);
      Send_Data_To_UART0(0x74);

while(1)
            {
                     if (riflag)
                     {
                              temp = SBUF;                                                                                              //This part send the receive data from RXD to TXD
                              Send_Data_To_UART0(temp);
                              riflag = 0;
                     }
            }

}